CMMG .22 LR Dedicated ARC Bolt Group for AR-15

Manufactured by CMMG
SKU: 22BA488
MPN: 22BA487
Manufactured by CMMG
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Are you tired of spending large amounts of money on 5.56 ammo just to have fun at the range? This all stainless steel 22lr bolt carrier group is designed to drop in to your AR-15 upper receiver with a dedicated 22lr barrel so you can shoot all day long with little expense. All that is needed to convert your AR-15 to shoot 22lr is this bolt group, a CMMG 22lr barrel, and CMMG 22Arc magazine. This gives you the benefit of the modularity of the AR-15 platform and ergonomics while saving money on ammo. It is also a great option for training people to use the AR-15 weapon system before moving them to the larger .223 cartridge. This bolt group uses a simple blowback mechanism that is contained in the receiver without the need of the buffer tube and spring.

  • All stainless-steel construction
  • Converts your AR-15 to 22lr (22lr barrel and magazine needed)
  • Save money while plinking at the range
  • Great for training people new to the sport
  • Simple to install drop-in design
  • No permanent modification

A leading manufacturer of AR-15 rifles, kits, and accessories, CMMG Inc. was established in 2002. Constantly pushing the edge, CMMG strives to develop and improve bringing you a product lineup that is second to none.
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Caliber Gauge.22 LR
Carrier MaterialStainless Steel
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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