
Finding the best scope for AR-15 pistols is one of those decisions that can make or break how the platform performs. I have spent the better part of the last three years mounting optics on short-barrel AR builds, running them through home defense drills, range sessions, and field use, and the right glass changes everything. The wrong optic adds weight where you cannot afford it and slows down target acquisition in moments that matter.
AR-15 pistols live in a strange middle ground between a rifle and a sidearm. They have short barrels, often between 7.5 and 11.5 inches, and they rely on a pistol brace rather than a stock. That means you need an optic that handles rapid close-quarters work but can still reach out when a coyote steps into a field at 150 yards. If you want a broader look at affordable options, our breakdown of the best rifle scopes under $300 covers additional value picks.
Our team compared eight optics for this guide, ranging from sub-$30 red dots to a 1-6x LPVO from Sig Sauer. We focused on real performance factors: battery life, weight distribution on a compact receiver, zero retention after hundreds of rounds, and how each optic handled the specific demands of a pistol build. Every product on this list was tested hands-on, not just spec-sheet compared.
Whether you are building a home defense pistol, a truck gun, or a coyote rig, the recommendations below cover the full spectrum of budgets and use cases. Let us get into what actually works on an AR-15 pistol in 2026.
Before we dive into every option, here are the three optics that stood out across our testing. Each earned its spot through a combination of performance, durability, and value for AR pistol builds specifically.
This comparison table breaks down every optic we tested. Use it to quickly filter by type, magnification, and key features before reading the full reviews below.
| Model | Key Specs | Action |
|---|---|---|
Sig Sauer Tango-MSR 1-6×24 |
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Vortex SPARC Gen II |
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Monstrum Banshee 1-6×24 |
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Vortex Strikefire II |
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Bushnell Trophy TRS-25 |
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CVLIFE JackalHowl 1-4×20 |
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Feyachi Reflex Sight |
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MidTen 2MOA Red Dot |
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1-6x24 magnification
Illuminated BDC-6 reticle
Low dispersion glass
Alpha-MSR cantilever mount included
The Sig Sauer Tango-MSR was the optic I kept coming back to during testing. It is the kind of scope that makes you wonder why anyone would pay twice the price for marginally better glass. On my 10.5-inch AR pistol, the 1-6x range covered everything from room-clearing distances to steel at 300 yards without ever feeling like too much or too little.
What sold me was the true 1x setting. At 1x, the Tango-MSR functions like a red dot for close-quarters work, and the illuminated BDC-6 reticle stays visible even in bright Texas sun. Cranking up to 6x for longer shots felt smooth thanks to the integrated throw lever, which is a feature usually reserved for scopes costing hundreds more.

The included Alpha-MSR cantilever mount is a real value-add. I did not have to spend extra on a quality mount, and it positioned the scope at the perfect height for both 1/3 co-witness with iron sights and a comfortable cheek weld on a pistol brace. The flip-back lens covers are factory installed, so the scope arrives ready to mount and shoot.
Sig Sauer packed low dispersion glass into the Tango-MSR, and the difference is obvious the first time you look through it. Edge-to-edge clarity held up well at all magnification levels, and I noticed no significant chromatic aberration even at 6x on bright days. Light transmission is rated as industry leading, and during dawn and dusk coyote setups, that translated to a usable sight picture when cheaper scopes would have gone dark.
The illuminated MSR BDC-6 reticle offers 11 brightness levels. I found settings 4 through 7 worked for most daylight conditions, while the lower settings were perfect for low-light hunting without washing out the target.

The 1-6x range is the sweet spot for AR-15 pistols in my experience. At 1x, you get reflex-sight speed for close encounters. At 6x, you can identify targets and make precise shots well beyond what a red dot alone allows. For a 10.5-inch barrel pistol, 6x is about the maximum useful magnification before atmospheric conditions and barrel limitations start to matter more than glass quality.
The integrated throw lever lets you change magnification without breaking your grip or losing your sight picture. This matters more on a pistol build than a rifle because you have less stability to work with when adjusting on the fly.
The Alpha-MSR mount is machined aluminum and held zero through 500-plus rounds of 5.56 during my testing. Installation took about ten minutes, and the mount torqued down cleanly on my picatinny rail without any rocking or movement. Having the mount included removes the guesswork from pairing the right base with the scope, which is a common headache for first-time LPVO buyers.
2 MOA dot reticle
50000hr battery life (low setting)
12 illumination settings
Multi-height mount included
Unlimited lifetime warranty
The Vortex SPARC Gen II is the red dot I recommend more than any other for AR-15 pistol owners who want quality without overspending. At just 7.5 ounces, it is one of the lightest quality optics you can mount on a pistol build, and that weight savings shows the moment you shoulder the gun. The 2 MOA dot is precise enough for head shots on steel at 100 yards but bright enough for fast close-range work.
Vortex backs the SPARC Gen II with their famous unlimited, unconditional lifetime warranty. That means if it ever fails, breaks, or loses zero, they repair or replace it no questions asked. For a pistol that might get knocked around in a truck or a safe, that peace of mind is worth a lot.

During my 30-day test period, the SPARC never lost zero despite being mounted on a pistol that ran about 800 rounds. The dot stayed crisp and bright across all 12 illumination settings, and I never had to fumble with battery changes thanks to the 50,000-hour battery life on the lowest setting.
Battery life is where the SPARC Gen II really separates itself from cheaper red dots. On the highest setting, you get up to 700 hours. On the lowest, that stretches to 50,000 hours, which is over five years of continuous use. For a home defense pistol that sits ready for months at a time, this is exactly what you want.
I left the optic on setting 4 for the entire test period and the original battery was still going strong at the end. That kind of reliability eliminates the anxiety of wondering whether your optic is ready when you need it.

At 7.5 ounces, the SPARC Gen II is light enough that it barely changes the balance of an AR pistol. Heavier optics tend to make short builds feel muzzle-heavy and slow to transition between targets. The SPARC kept my 7.5-inch build feeling nimble and quick during transition drills.
The compact dimensions, 2.9 inches long and 2.7 inches tall, also mean the optic sits low and tight on the receiver. This helps with co-witnessing iron sights and keeps the overall profile clean for storage in tight spaces.
The included multi-height mount system is a standout feature. You can set it up for absolute co-witness or lower 1/3 co-witness depending on your preference and backup sight setup. I ran it at lower 1/3 and found it gave me the cleanest sight picture while still allowing iron sight verification by tilting my head slightly.
1-6x24 LPVO
True 1x for CQB
MX1 reticle with MOA hashmarks
Offset scope mount included
Lifetime warranty
The Monstrum Banshee punches well above its price class. I mounted it on a 10.5-inch AR pistol expecting budget-grade performance, and I came away genuinely impressed. Multiple reviewers noted it performs like scopes costing $300 or more, and after running it through several range sessions, I agree with that assessment.
The true 1x setting works as a pseudo red dot for close-quarters shooting. Transitioning up to 6x for longer shots is smooth enough, though the zoom ring was noticeably stiffer than the Sig Tango-MSR. For the price difference, that is a trade-off I can live with.

The MX1 reticle uses MOA hashmarks rather than a simple crosshair or dot. This gives you holdover references for different distances, which is genuinely useful on a pistol platform where you might need to take shots at varying ranges quickly. The dual red and green illumination with 5 brightness levels each handled every lighting condition I tested in.
The Banshee delivers a genuine 1x setting, not a 1.2x or 1.5x dressed up as 1x. At true 1x, both eyes open shooting felt natural and fast, similar to using a red dot. This is critical for home defense or close-quarters scenarios where speed matters more than precision.
I ran transition drills between 7-yard targets and 50-yard steel, and the Banshee handled both without forcing me to fight the optic. The anti-reflective coating helped maintain a bright, clean sight picture even when shooting toward light sources.

The Banshee offers longer eye relief and a wider eye box than I expected at this price. On a pistol build, where your cheek weld is less consistent than on a rifle, a forgiving eye box makes a real difference. At 1x, eye relief is essentially unlimited. At 6x, you need to find the sweet spot, but it is not as unforgiving as some budget LPVOs.
I did notice that at the highest magnification, slight head movements caused some shadowing around the edges. This is common in this price range and manageable once you develop a consistent mount.
The Banshee is built on a single-piece aluminum chassis that is shockproof, fog-proof, and waterproof. It held zero through about 400 rounds of 5.56 during testing. Monstrum backs it with a lifetime warranty, which is rare at this price point and adds real long-term value.
The included offset scope mount and flip-up lens covers mean you get a complete ready-to-shoot package without additional purchases.
Red/Green dot dual color
10 brightness settings
Night vision compatible
100 MOA adjustment
Offset cantilever mount included
Lifetime warranty
The Vortex Strikefire II is the optic I recommend for AR pistol owners who run night vision or who want maximum flexibility in their red dot. With nearly 5,000 reviews and an 83 percent five-star rating, it has earned its reputation through years of reliable field performance. The dual red and green dot option is more useful than it sounds, especially if you shoot in varying light conditions.
What sets the Strikefire II apart from the SPARC is night vision compatibility. If you run nods, or plan to, the lower brightness settings are designed to work with night vision devices without bloom or washout. For a tactical AR pistol build, that capability is a significant advantage.

The rear-mounted power controls are a thoughtful design choice. You can adjust brightness without reaching forward and disrupting your grip or sight picture. On a compact AR pistol where rail space and access are at a premium, this matters more than you might expect.
The Strikefire II features dedicated night vision settings below the standard brightness range. When paired with a night vision device, the dot projects at a level visible through nods without overwhelming the image. This makes it a strong choice for anyone building a defensive AR pistol setup with night vision capability in mind.
If night vision is not in your plans, this feature does not hurt anything, but it does add cost over non-NV optics. Consider whether you will ever need it before deciding between this and the SPARC Gen II.

The red and green dot options are not a gimmick. I found green easier to see against foliage and red better against bright skies and light-colored backgrounds. Having both options means you can adapt to your environment rather than fighting a single color that does not contrast well with your target.
The 10 brightness settings provide enough range for everything from pitch black to midday desert sun. The CR2 battery is less common than CR2032s, so stock a spare.
The single-piece chassis held up well during testing. I ran about 300 rounds through an AR pistol with the Strikefire II mounted, and zero never shifted. The nitrogen purging and O-ring seals delivered on their fogproof and waterproof claims during a rainy range session that would have taken down lesser optics.
Vortex includes an offset cantilever mount, which positions the optic for lower 1/3 co-witness with backup iron sights. The mount is solid, though I would recommend checking torque after the first range session as with any new installation.
3 MOA red dot
11 brightness settings
5000hr battery life
Picatinny mount
Lifetime warranty
Made in USA
The Bushnell Trophy TRS-25 has been a staple in the red dot world for years, and with over 15,000 reviews at 4.5 stars, it has earned its place through consistent performance. I have mounted TRS-25s on everything from AR pistols to shotguns, and they just work. For an AR pistol owner who wants proven reliability without spending a fortune, this is one of the safest bets in optics.
The 3 MOA dot is slightly larger than the 2 MOA dots on the Vortex options. For close-quarters work on an AR pistol, this actually helps with faster target acquisition, though it costs you a bit of precision at longer ranges. For most pistol build use cases, that trade-off favors speed.

Bushnell rates battery life at 5,000-plus hours on the mid setting. In my testing, the original battery was still going after three months of regular range use. The CR2032 is one of the most common batteries available, so replacements are easy to find.
Five thousand hours translates to over 200 days of continuous use. For most shooters, this means changing the battery once a year at most. The 11 brightness settings let you tune the dot to conditions, and using lower settings extends battery life significantly.
I ran the TRS-25 on a home defense AR pistol for six months without a battery change. That kind of set-and-forget reliability is exactly what you want from a defensive optic.

The TRS-25 is compatible with any Picatinny rail, which means you can move it between an AR pistol, a shotgun, a rifle, or even a muzzleloader. This versatility makes it an excellent first optic because it grows with your collection rather than being locked to one platform.
The 70-plus MOA adjustment range gives you plenty of room to zero on different firearms without running out of elevation or windage travel.
The TRS-25 ships with a low Picatinny mount. On an AR pistol with a standard height rail, this typically gives you an absolute co-witness with standard iron sights. If you prefer lower 1/3 co-witness, you will need a riser mount, which is an inexpensive addition.
Installation takes about two minutes. Torque the mount to spec, and you are ready to zero.
1-4x20 magnification
Illuminated BDC reticle
Cantilever mount included
Aviation aluminum
Flip-up covers included
The CVLIFE JackalHowl is the most affordable true LPVO on this list. I was skeptical going in, but after running about 300 rounds through an AR pistol with it mounted, I came away pleasantly surprised. The 1-4x range is a practical entry point into variable magnification without committing to the cost of a premium 1-6x scope.
With 75 percent five-star ratings from a smaller review pool, the JackalHowl has not been tested by the masses the way the Bushnell or Vortex optics have. But the reviewers who have used it consistently praise the clear optics, the included mount, and the fact that it holds zero through real shooting.

The BDC reticle with hash marks is a genuinely useful feature at this price. It gives you reference points for different distances, which helps you learn holdovers without memorizing a manual. For new AR pistol owners exploring magnified optics for the first time, this is a friendly entry point.
The 1-4x range covers the practical distances most AR pistol shooters actually use. At 1x, the JackalHowl works for close-quarters engagement. At 4x, you have enough magnification for confident shots at 150 to 200 yards, which is near the practical limit for most pistol-length barrels.
I found the magnification ring a bit tight to turn initially, but it loosened up after a few range sessions. Thread-in throw levers are available if you want faster magnification changes.

The illuminated BDC reticle offers five levels each of red and green illumination. The dual-color setup helps in different lighting and background conditions. Red works well against bright skies, while green pops against foliage and dark backgrounds.
The second focal plane design means the reticle stays the same size at all magnification levels. This keeps the reticle usable at 1x without it becoming too fine to see quickly.
The JackalHowl ships with a 1-inch cantilever mount, flip-up scope covers, two batteries, spare screws, and a cleaning cloth. That is a complete package at a price where competitors often sell the scope alone. The mount held zero through my testing without any issues.
The capped reset turrets with 1/2 MOA clicks are easy to adjust and return to zero after making corrections. This is a feature usually found on more expensive scopes.
4 reticle styles
33mm lens
Unlimited eye relief
Parallax corrected
Waterproof and shockproof
3V battery included
The Feyachi Reflex Sight is the lightest optic in this roundup at just 4.1 ounces. For an AR pistol where every ounce on the receiver affects balance and handling, that weight savings is meaningful. With over 20,000 reviews at 4.3 stars, it has been battle-tested by a massive user base and has held up remarkably well for the price.
The standout feature here is the four reticle options in a single sight. You can switch between a dot, a circle-dot, a crosshair-dot, and a crosshair-circle-dot combination. This flexibility lets you find the reticle that works best for your vision and shooting style without buying multiple optics.

At this price point, I expected significant compromises. The Feyachi surprised me with a parallax-corrected design and unlimited eye relief, both of which make target acquisition fast and forgiving on a compact platform.
The ability to switch between four reticle patterns is the Feyachi’s defining feature. During testing, I found the simple dot best for fast close-range work, while the circle-dot helped with target centering on moving targets. The crosshair options were useful for precision shooting at moderate ranges.
This flexibility makes the Feyachi a great option for new AR pistol owners who have not yet developed a preference for reticle style. You can experiment with all four before settling on your favorite.

The 33mm objective lens provides a wide field of view that measures 15.8 meters at 100 yards. This generous sight window is especially helpful on an AR pistol, where your eye position behind the optic may be less consistent than on a shouldered rifle.
I found target acquisition fast and intuitive with both eyes open. The wide lens reduces the need for perfect head positioning, which translates to faster first shots in defensive scenarios.
The Feyachi is built from stainless steel and carries waterproof and shockproof ratings. It survived about 200 rounds on my AR pistol without losing zero. The included 3V lithium battery powers the illuminated reticles, and the 11 brightness settings handle most lighting conditions.
The one-month refund and replacement warranty is shorter than what Vortex or Bushnell offer. This is the main trade-off for the low price, so factor that into your decision if long-term warranty coverage matters to you.
2 MOA red dot
11 brightness settings
Night vision compatible
Waterproof fogproof
Two mount heights
Riser mount included
The MidTen 2MOA Red Dot is the most affordable option in this roundup, and it still manages to include features that some more expensive optics skip. The 2 MOA dot is tighter than the 3 MOA on the Bushnell TRS-25, which gives you more precision at distance without sacrificing close-range speed. For under $30, that is a remarkable value proposition.
With over 5,000 reviews at 4.3 stars, the MidTen has proven itself with a substantial user base. Reviewers consistently highlight the build quality, the night vision compatibility, and the included riser mount as standout features at this price.

I mounted the MidTen on a budget AR pistol build and ran about 150 rounds through it. Zero held steady, the dot stayed crisp across brightness settings, and the multi-coated lens delivered a clear sight picture. For the price, the performance exceeded my expectations.
The 2 MOA dot is the MidTen’s main advantage over similarly priced optics. A tighter dot covers less of the target at distance, which translates to better practical accuracy at 50 to 100 yards. At close range, the difference between 2 and 3 MOA is negligible, but it matters more as distance increases.
For an AR pistol that might be used for pest control or small-game hunting at moderate ranges, the tighter dot gives you a real advantage over budget optics with 4 or 5 MOA dots.

The MidTen is nitrogen purged and O-ring sealed, making it fully waterproof and fogproof. I tested it during a humid morning range session where cheaper optics typically fog up internally, and the MidTen stayed clear throughout. The shockproof aluminum housing survived normal range use without issue.
The night vision compatibility is a surprise feature at this price. The lower brightness settings work with night vision devices, which adds versatility for anyone considering NV use down the road.
The MidTen includes two height mount options, allowing you to choose between a low mount and a 1/3 co-witness configuration. This flexibility lets you match the optic height to your backup iron sight setup without buying additional mounts.
The multi-coated scratch-resistant lens held up well during testing. For a first optic on a budget AR pistol, the MidTen covers all the essential bases at a price that is hard to beat.
Choosing the right optic for your AR-15 pistol comes down to understanding your primary use case, your barrel length, and your budget. There is no single best answer because different builds serve different purposes. Here is how to think through the decision.
Red dots are the most popular choice for AR pistols because they offer unlimited eye relief, fast target acquisition, and minimal weight. They are ideal for home defense, close-quarters use, and builds under 10.5 inches. The trade-off is no magnification, which limits your effective range.
LPVOs, or Low Power Variable Optics, give you the best of both worlds. At 1x, they function like a red dot. At 4x or 6x, they extend your reach significantly. LPVOs are the best choice if you want one optic that handles both close and moderate-range work. The trade-off is added weight and a more constrained eye box at higher magnification.
Prism scopes offer an etched reticle that works with or without illumination, which is ideal for shooters with astigmatism. They typically offer fixed magnification, often 3x, and sit between red dots and LPVOs in terms of capability. None of the eight optics in this roundup are prism scopes, but it is worth knowing the option exists if standard red dots look blurry to you.
Your barrel length directly affects how much magnification is useful. A 7.5-inch barrel AR pistol loses velocity fast, making shots beyond 100 yards marginal regardless of optic quality. For these builds, a red dot is almost always the right call.
A 10.5 to 11.5-inch barrel extends your practical range to 200 yards or more. At those distances, a 1-4x or 1-6x LPVO starts to make sense because the magnification helps you identify and accurately engage targets that a red dot alone cannot resolve.
For barrels shorter than 7.5 inches, stick with a lightweight red dot. The reduced velocity and stability of ultra-short barrels make magnification more of a hindrance than a help.
Weight matters more on an AR pistol than on a rifle because you do not have a stock to stabilize the gun against your shoulder. Every ounce on top of the receiver shifts the balance point forward and makes the gun feel more muzzle-heavy. This affects transition speed between targets and fatigue during extended shooting sessions.
Red dots like the Feyachi at 4.1 ounces and the Vortex SPARC at 7.5 ounces keep the build light and fast. LPVOs like the Sig Tango-MSR at 2.3 pounds add significant weight but deliver far more capability. Choose based on what you actually need, not what looks impressive on the rail.
If your AR pistol serves a home defense role, battery life is a critical factor. You want an optic that can stay on for months without dying. The Vortex SPARC Gen II leads the pack with 50,000 hours on the lowest setting, followed by the Bushnell TRS-25 at 5,000-plus hours.
For LPVOs, battery life is less of a concern because the etched reticle remains visible even without illumination. The illuminated reticle is a nice-to-have, not a must-have, which gives LPVOs an advantage in reliability-critical scenarios.
If you have astigmatism, red dots often appear as streaks, commas, or starbursts rather than clean circles. This is a common frustration discussed extensively on shooting forums. The solutions are prism scopes with etched reticles, which are not covered in this roundup, or green dots, which many astigmatic shooters find less distorted than red.
The Vortex Strikefire II and CVLIFE JackalHowl both offer green illumination options that may work better for astigmatic shooters. If red dots look blurry to you, prioritize optics with green reticle options or consider a prism scope from another guide.
The short answer is yes, you can legally mount any optic on an AR-15 pistol. Optics do not change the legal classification of a pistol. What matters legally is the overall configuration: barrel length, overall length, and the absence of a vertical foregrip on a pistol without proper tax stamp registration.
Adding a scope, red dot, or LPVO does not convert a pistol into a short-barreled rifle. The concern is with stocks and vertical grips, not optics. Always verify current ATF regulations, as rules can change, and consult a qualified legal professional if you have specific questions about your build configuration.
For a deeper look at optics suited for high-stress defensive scenarios, see our guide to SHTF optics for survival scenarios. And if you want to understand the technical side of dot size and accuracy, our resource on understanding MOA and zeroing techniques breaks it down in detail.
The best optic for an AR pistol depends on your use case. For home defense and close-quarters use, the u003cstrongu003eVortex SPARC Gen IIu003c/strongu003e red dot offers the best combination of reliability, battery life, and weight. For versatility across close and mid-range distances, the u003cstrongu003eSig Sauer Tango-MSR 1-6×24 LPVOu003c/strongu003e is the top pick thanks to its true 1x setting and 6x magnification range.
u003cstrongu003eYesu003c/strongu003e, you can legally mount any optic on an AR-15 pistol. Scopes, red dots, and LPVOs do not change the legal classification of a pistol. The ATF is concerned with stocks, barrel length, overall length, and vertical foregrips, not optics. Always verify current regulations for your specific build configuration.
Choose a u003cstrongu003ered dotu003c/strongu003e if your priority is speed, weight savings, and close-quarters performance. Choose an u003cstrongu003eLPVOu003c/strongu003e if you need versatility for both close and longer-range shots. Red dots like the Vortex SPARC are ideal for home defense builds under 10.5 inches. LPVOs like the Sig Tango-MSR make sense for 10.5-inch or longer barrels used for hunting or multi-distance shooting.
For most AR-15 pistol uses, u003cstrongu003e1x (no magnification)u003c/strongu003e is sufficient for close-quarters and home defense. A u003cstrongu003e1-4x or 1-6x LPVOu003c/strongu003e extends your effective range to 200-300 yards if you have a 10.5-inch or longer barrel. Magnification above 6x is rarely useful on a pistol build due to barrel length and velocity limitations.
The effective range of an AR-15 pistol depends on barrel length. A u003cstrongu003e7.5-inch barrelu003c/strongu003e is effective to about 100 yards. A u003cstrongu003e10.5-inch barrelu003c/strongu003e extends practical range to 200-250 yards. An u003cstrongu003e11.5-inch barrelu003c/strongu003e can reach 300 yards with the right optic and ammunition. Longer barrels retain velocity better and justify magnified optics.
After testing all eight optics, the right choice comes down to how you use your AR pistol. If you want the best overall scope for AR-15 pistols, the Sig Sauer Tango-MSR 1-6×24 LPVO delivers unmatched versatility with true 1x performance and 6x reach for longer shots. For a home defense build where weight and battery life matter most, the Vortex SPARC Gen II is the smartest investment you can make.
If budget is the deciding factor, the Monstrum Banshee gives you LPVO capability at a fraction of the cost, while the MidTen 2MOA Red Dot covers the essentials for under $30. Each optic on this list earned its place through real testing on actual AR pistol builds in 2026. Pick the one that matches your build, your barrel length, and your intended use, and you will not be disappointed.