CMMG

All Stainless Steel Construction includes a 25rd Magazine. Works in most 5.56/.223 chambered rifles. Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle...

Great for training and practice, this 22 LR conversion kit allows inexpensive target shooting through your favorite firearm. Shoots and functions like the regular AR-15, except the slide doesn't...

CMMG's 5.7x28mm, 40rd 5.7 AR Conversion Magazine fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15...

This magazine from CMMG is just the thing for your AR rimfire conversion. This magazine will work with CMMG, Ciener, Tactical Solutions, and Sig 522 conversions. Does not function with Bolt Hold open...

The CMMG .22LR AR Conversion Kit w/3 25rd Magazines is perfect for affordable training and practice with your favorite AR-15. This drop-in kit lets you shoot inexpensive .22 LR ammo through your...

The CMMG .22LR AR Conversion Kit w/3 10rd Magazines instantly transforms your standard 5.56/.223 AR rifle into a .22LR, letting you train or plink with inexpensive .22LR ammo while keeping the same...

most reliable feeding design