.22 LR on the AR Chassis – Training, Plinking & Competition
The AR-15 is the most widely owned centerfire rifle in America. The AR rimfire is how millions of those owners shoot more, spend less, and build the skills that make them better with their centerfire rifle. A dedicated .22 LR AR – or a drop-in conversion kit in an existing AR-15 – delivers the same ergonomics, same manual of arms, and same muscle memory development at roughly one-tenth the ammunition cost.
That’s the core value proposition, but the AR rimfire has grown well beyond a simple training tool. Dedicated .22 LR ARs are used for small-game hunting, youth introduction to the platform, suppressed backyard shooting, USPSA Rimfire PCC competition, and pure plinking enjoyment. The category spans from $200 conversion kits to $600 dedicated rifles to $1,200 precision rimfire builds – and each level serves a genuinely different need.
This guide covers the full AR rimfire landscape: how dedicated rimfire ARs differ from conversion kits, what to look for in each, the best production options, and how to get the most out of .22 LR on the AR platform.
Why Shoot .22 LR in an AR Platform?
The Cost Argument
Ammunition cost is the primary driver. As of 2025:
| Caliber | Typical Cost per Round | 1,000-Round Training Session |
|---|---|---|
| 5.56 NATO / .223 | $0.35–$0.55 | $350–$550 |
| .308 Winchester | $0.80–$1.50 | $800–$1,500 |
| 9mm | $0.20–$0.35 | $200–$350 |
| .22 LR (bulk) | $0.04–$0.08 | $40–$80 |
A shooter who runs 1,000 rounds per month saves $3,000–$5,000 per year by doing a significant portion of that training in .22 LR instead of 5.56. High-volume competitive shooters who train 500–1,000 rounds weekly make the cost argument even more compelling.
The Skill Transfer Argument
.22 LR in an AR platform transfers more skills than any other training alternative:
- Trigger control – The same trigger (in the case of conversion kits, literally the same trigger) develops the same muscle memory
- Sight picture and sight alignment – Identical manual of arms, same optic mounting
- Malfunction clearance – Rimfire malfunctions (failure to feed, failure to eject) occur more frequently than centerfire, building faster malfunction response
- Recoil management – .22 LR has negligible recoil; this is a training limitation, not a benefit (you don’t learn recoil management with rimfire)
The Suppressor Argument
.22 LR is the quietest commonly available caliber in suppressed configuration. A quality .22 LR suppressor (Dead Air Mask, SilencerCo Sparrow, Ruger Silent-SR) reduces report to hearing-safe levels with standard velocity ammunition – no subsonic loads required. The result is an AR that can be shot without hearing protection in appropriate settings. Suppressed .22 LR AR rifles are popular for backyard plinking where noise is a consideration and for introducing new shooters to the platform without the sensory impact of centerfire report.
Dedicated Rimfire AR vs. Conversion Kit
This is the fundamental decision for the AR rimfire buyer. Both approaches have merit – and the right choice depends on what you’re trying to accomplish.
Dedicated Rimfire AR
A dedicated rimfire AR is a complete rifle built from the ground up for .22 LR. The receiver is typically smaller than an AR-15 – scaled to the cartridge rather than built around the AR-15 frame – and the operating system is optimized for rimfire reliability.
Advantages:
- Optimized feeding geometry for .22 LR reliability
- Typically lighter than a centerfire AR with conversion
- Less critical about .22 LR ammunition quality than conversion kits
- Often less expensive as a complete package than buying an AR-15 + quality conversion kit
- Better trigger in some configurations (dedicated rimfire triggers can be extremely light)
Disadvantages:
- Does not share parts with your centerfire AR (different receiver dimensions on most dedicated designs)
- Training value is reduced if controls don’t match your centerfire rifle exactly
- You own a second platform to maintain and store
.22 LR Conversion Kit
A conversion kit replaces the bolt carrier group and barrel (or just the BCG, in some designs) of an existing AR-15, converting it to fire .22 LR using dedicated rimfire magazines in the standard AR magazine well or a magazine adapter.
Advantages:
- Exact same controls as your centerfire AR-15 – no differences in manipulation
- Same trigger, same stock, same handguard, same optic
- Maximum skill transfer to your actual defensive or competition rifle
- Compact storage – just a BCG and magazines
- Lower total cost if you already own a quality AR-15
Disadvantages:
- More sensitive to ammunition quality – dirty or low-powered rimfire ammo causes more failures in conversion kits than in dedicated rimfire ARs
- Generally less reliable than dedicated rimfire ARs (more malfunctions per 100 rounds)
- Requires cleaning between centerfire and rimfire use (lead fouling from .22 LR can affect centerfire performance)
- Some conversion kits don’t work well with certain AR-15 uppers or barrel profiles
Which to Choose?
| Priority | Best Choice |
|---|---|
| Maximum skill transfer to specific AR-15 | Conversion kit |
| Youth / new shooter introduction | Dedicated rimfire AR |
| Suppressed rimfire experience | Dedicated rimfire AR with threaded barrel |
| Budget (already own AR-15) | Conversion kit |
| Reliability for hunting / competition | Dedicated rimfire AR |
| Backpack / bug-out utility | Dedicated rimfire AR (lighter) |
How AR Rimfire Operating Systems Work
Blowback Operation
All .22 LR ARs – both dedicated and conversion – use simple blowback operation. The bolt is not locked to the barrel. When the round fires, case pressure pushes the case rearward, driving the bolt back against a recoil spring. There is no gas system, no gas tube, and no bolt rotation. The action is mechanically simpler than a centerfire AR and has fewer parts to maintain.
The recoil impulse from .22 LR blowback is gentle – noticeably softer than even a 9mm PCC, let alone a rifle caliber. This is what makes .22 LR so accessible for new shooters and so easy to shoot in high volume.
Why Rimfire Malfunctions More Than Centerfire
Rimfire cartridges are inherently less reliable than centerfire for several reasons:
- Priming location – The priming compound is spun into the case rim rather than seated in a centered primer pocket. Rim coverage is less consistent than centerfire priming.
- Soft case – Rimfire cases are thin and can deform during feeding, causing feed failures.
- Rim sensitivity – The firing pin must strike the rim in a specific location to reliably ignite the priming compound. Worn or poorly aligned firing pins cause increased misfires.
- Lead bullet fouling – Most .22 LR ammunition uses bare lead bullets that deposit fouling in the bore and action faster than jacketed centerfire projectiles.
Expect 1–3 failures per 100 rounds with quality ammunition in a well-maintained .22 LR AR. Budget or dirty ammunition increases failure rates significantly. This is normal and not a defect.
.22 LR Ammunition for AR Platforms
Not all .22 LR ammunition performs equally in AR platforms. The cycling reliability of a blowback rimfire action depends on consistent muzzle velocity – too slow and the bolt doesn’t cycle fully; too fast and cycling becomes erratic.
Ammunition Categories
| Type | Velocity | Energy | Best For |
|---|---|---|---|
| Subsonic | < 1,100 fps | < 100 ft-lbs | Suppressed, quiet, reduced cycling |
| Standard Velocity | 1,050–1,150 fps | 100–120 ft-lbs | Precision, some won’t cycle semi-autos |
| High Velocity | 1,200–1,280 fps | 130–150 ft-lbs | Best for semi-auto cycling reliability |
| Hyper Velocity | 1,400–1,500 fps | 175–200 ft-lbs | Varmints, increased cycling stress |
For semi-automatic AR rimfire platforms, high velocity ammunition is the most reliable choice. Standard and subsonic loads may not provide enough energy to cycle the action reliably – particularly in conversion kits. CCI Mini-Mag (1,235 fps / 40gr) is the most widely recommended .22 LR for semi-auto reliability. Federal AutoMatch (1,200 fps) and Remington Golden Bullet (1,255 fps) are solid budget alternatives.
Best .22 LR Ammunition for AR Platforms
| Ammunition | Velocity | Price/500 | Reliability | Notes |
|---|---|---|---|---|
| CCI Mini-Mag | 1,235 fps | $30–$35 | Excellent | Gold standard for semi-auto |
| Federal AutoMatch | 1,200 fps | $25–$30 | Very Good | Best value for volume training |
| CCI Blazer | 1,235 fps | $22–$28 | Very Good | Budget CCI option |
| Remington Golden Bullet | 1,255 fps | $22–$28 | Good | Widely available, slightly dirtier |
| Eley Tenex | 1,085 fps | $100–$120 | Excellent | Precision match; may not cycle all semi-autos |
| SK Standard Plus | 1,073 fps | $35–$45 | Good | Match accuracy at moderate price |
Avoid: No-name bulk packs from unknown manufacturers. Inconsistent priming and velocity cause high failure rates and may damage extractors over time.
Best Dedicated Rimfire AR Rifles
Premium Tier ($600–$1,200+)
Smith & Wesson M&P15-22 Sport The M&P15-22 is the best-selling dedicated rimfire AR in the United States and one of the best overall. S&W built it as a true AR-15 analog – same dimensions, same controls, same feel – rather than a scaled-down or simplified design. The 16.5″ barrel, M-LOK handguard, adjustable stock, and flat-top Picatinny rail make it genuinely useful as a training tool for centerfire AR owners. Reliability is excellent with quality ammunition. Accuracy runs 1.5–2 MOA at 50 yards with CCI Mini-Mag. At $450–$500, it’s the most recommended dedicated rimfire AR for most buyers.
Ruger 10/22 Takedown (AR Chassis) Not a traditional AR, but worth including: Ruger’s 10/22 in an AR-pattern chassis (Magpul X-22, Archangel Nomad, Ruger’s own 10/22 Takedown with AR stock adapter) gives you the 10/22’s legendary rimfire reliability in an AR-ergonomics package. The 10/22 action is the most reliable semi-auto rimfire ever made. In an AR-style chassis, it delivers the rimfire reliability floor that dedicated AR rimfires can’t quite match. Downside: controls don’t match an AR-15 exactly, reducing training transfer value.
CMMG Dissent / Banshee Mk4 .22 LR CMMG offers their Mk4 platform – built on a scaled AR-15 receiver – in .22 LR with a dedicated blowback upper. The result is closer to a true AR-15 analog than the M&P15-22 in terms of component compatibility. CMMG .22 LR uppers run on standard AR-15 lowers, meaning you can pair a CMMG .22 LR upper with your existing AR-15 lower for a semi-dedicated rimfire upper that uses your existing stock, grip, and trigger. At $500–$700 for the upper alone, it’s a premium option for shooters who want a dedicated .22 LR upper on their existing rifle.
Walther Hammerli Tac R1 A purpose-built precision rimfire AR that accepts standard AR-15 triggers and accessories. At $600–$700, the Tac R1 is designed for rimfire competition – tight-tolerance barrel, clean break factory trigger, and 10-round rotary magazine. Accuracy is a step above typical AR rimfires: 0.75–1 MOA at 50 yards with quality ammunition. A serious option for rimfire competition shooters who want more accuracy than a standard M&P15-22 delivers.
Christensen Arms Rimfire .22 LR Christensen offers a carbon-fiber-barreled .22 LR AR for shooters who want the lightest possible rimfire platform. At $1,100–$1,200, it’s the premium end of the dedicated rimfire market. The carbon barrel delivers exceptional accuracy and minimal weight – relevant for pack-in small game hunting or carrying in youth shooting programs. For most buyers, the price-to-performance ratio doesn’t justify the premium over the M&P15-22.
Budget Tier ($200–$450)
Mossberg 715T Mossberg’s 715T is an AR-styled rimfire with budget credentials – and it shows. Reliability is acceptable with CCI Mini-Mag but sensitive to other ammunition. Controls feel cheaper than the M&P15-22. At $250–$300, it’s the lowest-cost AR-style rimfire from a major manufacturer. Reasonable as a youth plinker or a first exposure to the platform; not recommended for serious training use.
Citadel AR-22 / ATI AR-22 Generic AR-clone rimfire designs from second-tier manufacturers. At $200–$280, these rifles are functional but unpredictable – quality control varies significantly between production runs. Purchase from a retailer with a return policy.
Best .22 LR Conversion Kits
Conversion kits replace the bolt carrier group (and sometimes the barrel) of your existing AR-15 to fire .22 LR.
CMMG .22 LR Conversion Kit — The Standard
CMMG’s conversion kit is the benchmark for AR-15 .22 LR conversions and the most widely used kit on the market. It replaces only the bolt carrier group – the barrel remains the same, with a chamber adapter – and uses CMMG’s dedicated 25-round magazines that fit in the standard AR-15 magazine well.
Key specs:
- Replaces BCG only (no barrel change)
- Uses CMMG 25-round magazines ($20–$25 each)
- Works with most AR-15 uppers (some exceptions – see compatibility notes below)
- Reliability: very good with CCI Mini-Mag; fair with bulk ammunition
- Price: $200–$230
Compatibility notes: The CMMG kit works best with standard mil-spec AR-15 uppers and 5.56 NATO chambers. It functions in .223 Wylde chambers but may have slightly higher failure rates. It does not work reliably in .223 Remington SAAMI-spec chambers or in non-standard upper designs.
Tactical Solutions AR-15 .22 LR Complete Upper
Tactical Solutions offers a complete .22 LR upper that drops onto any AR-15 lower. The upper includes a dedicated .22 LR barrel, bolt, and magazine well that accepts a 10-round rotary magazine. More expensive than the CMMG BCG kit at $400–$450, but significantly more reliable because the chamber and barrel are purpose-built for .22 LR rather than adapted from a centerfire barrel.
This is the right choice for shooters who want maximum reliability from a conversion approach – particularly for hunting or competition where malfunction rate matters more than cost savings versus a dedicated rifle.
Black Dog Machine .22 LR Conversion
Black Dog’s conversion uses a different magazine design – a drum-style .22 LR magazine that fits in the standard AR-15 lower mag well without an adapter. The magazines are available in 26-round and 50-round configurations. Reliability is good with quality ammunition. At $150–$175 for the BCG conversion plus $30–$60 per magazine, it’s a cost-effective option for high-volume rimfire training.
Conversion Kit Comparison
| Kit | Price | Magazine | Reliability | Barrel Change? |
|---|---|---|---|---|
| CMMG .22 LR Conv. | $220 | CMMG 25-rd ($22) | Very Good | No |
| Tactical Solutions Upper | $440 | Rotary 10-rd | Excellent | Yes (complete upper) |
| Black Dog Machine | $160 | Drum 26/50-rd ($35) | Good | No |
| Marvel Unit | $390 | Marvel 10-rd | Excellent | No – best accuracy |
AR Rimfire for Competition
USPSA Rimfire PCC Division
USPSA recognizes a Rimfire PCC division that runs the same stages as centerfire PCC but with .22 LR rifles. This is the fastest-growing entry point for new USPSA competitors – ammunition costs are dramatically lower, recoil is negligible, and the division rules allow essentially any configuration. For competitors who want to learn USPSA stage procedures and movement without the financial commitment of centerfire ammunition, Rimfire PCC is the right entry point.
Competitive configuration for USPSA Rimfire PCC:
- Dedicated rimfire AR (M&P15-22 or Walther Tac R1) or AR-15 with CMMG conversion
- 1x red dot (Aimpoint T2, Trijicon MRO, or budget Holosun 510C)
- 25-round magazines (CMMG kit) or 30-round magazines where available
- Aftermarket trigger if budget allows (Timney rimfire trigger, TriggerTech rimfire)
NRL22 — The Precision Rimfire League
NRL22 (National Rimfire League) is a growing precision rimfire competition format based on the bolt-action .22 LR discipline – but AR-platform rimfires compete in dedicated divisions. Stages involve shooting at steel targets from 25 to 200 yards from field positions (prone, sitting, barricade, rooftop). An accurate AR rimfire (Walther Tac R1, CMMG Mk4) with a quality rimfire scope is fully competitive.
NRL22 setup:
- Accurate rimfire AR with quality match barrel
- Low-magnification scope (4–12x) or high-quality red dot
- Bipod or sling for field positions
- Quality match ammunition (Eley Tenex, SK Standard Plus, CCI Standard for training)
AR Rimfire for Hunting
Small Game and Varmints
The .22 LR AR is the natural small game rifle for hunters who own centerfire ARs. Squirrel, rabbit, grouse, and similar small game at 25–75 yards are well within .22 LR capability. The semi-automatic action allows faster follow-up shots than bolt-action rimfires without producing the recoil or report of centerfire rifles.
Recommended setup for small game:
- 16″–18″ barrel for full velocity extraction from .22 LR
- Quality hollow point ammunition (CCI Mini-Mag HP, Federal Gold Medal Target for clean kills)
- Low-power scope (2–7x) or quality red dot for fast target acquisition
Pest Control
For farm and agricultural pest control – starlings, pigeons, rats, ground squirrels – the AR rimfire’s semi-automatic capability and low noise profile (especially suppressed) make it one of the most effective tools available. A suppressed .22 LR AR is hearing-safe, minimally disruptive, and effective on small pests to 75 yards.
Hunting Limitations
.22 LR is not appropriate for animals larger than raccoon-sized game. Energy at the muzzle is 120–150 ft-lbs for high velocity loads – marginal for ethical, clean kills on animals larger than small game. Several states prohibit .22 LR for deer hunting, and those that allow it (with specific bullet requirements) require shots inside 50 yards. Know your state’s regulations and respect the caliber’s limitations.
AR Rimfire for Youth and New Shooters
The AR rimfire is one of the best platforms for introducing new shooters and youth to the AR-15. The reasons:
- Recoil – .22 LR produces no meaningful recoil; a 10-year-old can shoot confidently
- Report – Significantly quieter than centerfire; hearing protection is still recommended but the experience is less intimidating
- Cost – Parents can afford to let a new shooter burn through 200 rounds in a session learning fundamentals
- Controls – An M&P15-22 or similar dedicated rimfire AR teaches the same manual of arms as the centerfire rifle the shooter will eventually graduate to
- Weight – Most dedicated rimfire ARs weigh 5–5.5 lbs, manageable for youth shooters
Recommended youth/new shooter setup:
- Smith & Wesson M&P15-22 Sport ($450–$500)
- Simple red dot or low-power scope (3–4x)
- 10-round magazines to start (slower pace, more deliberate shooting habits)
- CCI Mini-Mag for reliable cycling
Suppressors and AR Rimfire
The .22 LR is the most popular suppressor host caliber in the United States. The combination of low cost, low pressure, and availability of hearing-safe standard velocity loads makes suppressed .22 LR shooting a uniquely accessible experience.
Best .22 LR Suppressors for AR Platforms
| Suppressor | Length | Weight | Decibel Reduction | Price |
|---|---|---|---|---|
| Dead Air Mask HD | 5.4″ | 7.9 oz | ~38 dB | $550 |
| SilencerCo Sparrow 22 | 5.1″ | 4.5 oz | ~40 dB | $450 |
| Ruger Silent-SR | 5.3″ | 4.5 oz | ~40 dB | $450 |
| SureFire Ryder 22-S | 4.7″ | 4.5 oz | ~38 dB | $600 |
| Gemtech Mist | 4.7″ | 4.0 oz | ~37 dB | $400 |
Notes on suppressed .22 LR in AR platforms:
- Use standard velocity or subsonic ammunition with a suppressor – high velocity loads are louder and produce more blowback into the action
- Suppressed .22 LR ARs foul faster – lead buildup in the suppressor requires periodic cleaning (every 500–1,000 rounds)
- Dedicated rimfire suppressors (not centerfire cans) are recommended – .22 LR lead and copper fouling can damage suppressor baffles designed for centerfire use
- Subsonic loads may not cycle some semi-auto rimfire ARs reliably – test before committing to a suppressed setup
Maintenance: Rimfire-Specific Considerations
Lead Fouling
.22 LR uses unchecketed lead bullets in most configurations. Lead deposits build up faster than with jacketed centerfire projectiles and require different solvents for removal. Standard Hoppe’s No. 9 or M-Pro 7 solvents dissolve lead effectively. Use a bronze brush – not stainless – to avoid scratching the bore.
Cleaning Frequency
Rimfire actions are more sensitive to fouling than centerfire designs. Clean every 500 rounds for best reliability, or more frequently with bulk ammunition that burns dirtier.
| Condition | Cleaning Interval |
|---|---|
| Quality ammunition (CCI, Federal) | Every 500–1,000 rounds |
| Bulk / budget ammunition | Every 200–300 rounds |
| Suppressed use | Every 300–500 rounds |
| Long storage | Before use – rimfire lube can congeal |
Conversion Kit Cleaning
If using a .22 LR conversion kit in your centerfire AR-15, clean the kit thoroughly before reinstalling the centerfire BCG. Lead fouling from .22 LR in a 5.56 chamber can affect chambering reliability and accelerate wear on the centerfire extractor.
Pros and Cons
✓ Advantages
- Ammunition cost – $0.04–$0.08 per round vs. $0.35–$0.55 for 5.56; enables high-volume training at a fraction of the cost
- Low recoil – Negligible recoil makes the platform ideal for youth, new shooters, and high-volume trigger work
- Suppressor-optimal – Standard velocity .22 LR is hearing-safe with a suppressor and produces minimal mechanical noise
- Skill transfer – Same manual of arms as centerfire AR-15, especially with conversion kits
- Small game hunting – Light, quiet, effective on squirrel, rabbit, and pest control
- Competition – USPSA Rimfire PCC and NRL22 offer competitive outlets at low ammunition cost
- Noise – Significantly quieter than centerfire even unsuppressed – practical in more environments
✗ Disadvantages
- Reliability – Inherently less reliable than centerfire; expect 1–3 failures per 100 rounds even with quality ammunition
- Ammunition sensitivity – Many AR rimfires are particular about ammunition; cheap bulk ammo increases failure rate significantly
- No recoil training – Cannot develop recoil management skills that transfer to centerfire shooting
- Limited hunting application – Only appropriate for small game; marginal past 75 yards even for that
- Lead fouling – Requires more frequent cleaning than jacketed centerfire
- Controls difference – Dedicated rimfire ARs (not conversion kits) may have slightly different controls than your centerfire rifle
Frequently Asked Questions
Is a dedicated rimfire AR-15 or a conversion kit better for training?
For maximum training transfer, a conversion kit on your actual centerfire AR-15 is superior. You train with the exact trigger, exact controls, exact weight, and exact stock position of the rifle you’ll use for defensive or competitive purposes. The limitation is that conversion kits are less reliable and more ammunition-sensitive than dedicated rimfire ARs. For new shooters, youth introduction, or pure recreational use where reliability matters more than exact training specificity, a dedicated rimfire AR like the M&P15-22 is the better choice. Most serious AR shooters eventually own both – a dedicated .22 LR AR for general training volume and a conversion kit for sessions focused on their specific competition or defensive rifle.
Will a .22 LR conversion kit damage my AR-15?
No – not with quality ammunition and proper maintenance. The .22 LR conversion kit generates far less pressure and heat than 5.56 loads. Lead fouling from rimfire ammunition deposits in the barrel and chamber, but this is removed with normal cleaning. The important maintenance step is to thoroughly clean the upper after .22 LR use before returning to 5.56 – lead fouling left in a 5.56 chamber can cause feeding issues and accelerate extractor wear. Clean the kit separately from your centerfire components and store them apart.
What is the best .22 LR AR-15 for home defense?
.22 LR is not recommended as a primary home defense caliber. At 120–140 ft-lbs of muzzle energy with standard high velocity loads, it lacks the reliable stopping power of centerfire defensive calibers. Terminal performance on human-sized threats is inconsistent even with hollow point ammunition – .22 LR hollow points do not expand reliably at typical velocities through clothing. If budget is the primary constraint, a 9mm AR-9 PCC provides dramatically better terminal performance at only marginally higher ammunition cost for training. The .22 LR AR is genuinely excellent at many things – home defense is not one of them.
Can I use any .22 LR ammunition in my AR rimfire?
No – semi-automatic AR rimfires require sufficient cycling energy from the ammunition to operate reliably. Standard velocity and subsonic loads (below 1,100 fps) often fail to cycle the action on blowback designs. High velocity ammunition (1,200 fps and above) is the most reliable choice for semi-auto cycling – CCI Mini-Mag at 1,235 fps is the industry standard recommendation. Bulk budget ammunition from off-brand manufacturers causes significantly higher failure rates due to inconsistent priming and velocity. For suppressed use, test your specific suppressor and rifle combination with subsonic loads – some setups cycle subsonic reliably, others do not.
What is the effective range of a .22 LR AR-15?
For small game hunting, 50–75 yards is the practical maximum for reliable ethical kills with a semi-auto AR rimfire. Energy drops to approximately 80–90 ft-lbs at 75 yards with standard high velocity loads – marginal for clean kills on anything larger than a squirrel. For paper target and steel target shooting, the .22 LR is accurate well past 100 yards from a quality barrel – competitive NRL22 shooters engage steel regularly at 150–200 yards with the right ammunition (Eley Tenex, SK Standard Plus) and appropriate scope. The difference between hunting range and target range: paper and steel forgive marginal hits; animals do not.
How do I choose between an AR rimfire and a standard 10/22 for training?
If you own or plan to own an AR-15 as your primary rifle, an AR-platform rimfire is the better training tool because of controls commonality. The 10/22 is an outstanding rimfire – arguably more reliable than any AR rimfire design – but its manual of arms (charging handle location, safety position, magazine release) differs from the AR-15 in ways that create negative training transfer. An M&P15-22 or similar AR rimfire trains the same stock weld, same grip, same trigger manipulation, and same magazine change as your centerfire AR. The 10/22 is a better choice if you don’t own an AR-15, want maximum rimfire reliability above all else, or are building a dedicated small game hunting rifle without AR training priorities.
Related Guides
- AR-15 Platform Guide – The centerfire rifle you’re training for
- AR-9 / PCC Platform Guide – Pistol caliber AR for USPSA and home defense
- AR-10 Platform Guide – Full-power .308 / 6.5 CM semi-auto
- Suppressor Buyer’s Guide – NFA process, best cans by caliber
- Best Rifles for New Shooters – Entry-level recommendations across platforms
Related Application Guides
- Small Game Hunting Rifles
- Youth and New Shooter Introduction
- USPSA Rimfire PCC Competition

