350 Legend Magazine fits AR15, 5 Round by CMMG - This 350 Legend Magazine and our 350 Legend Barrel are just about all you need to convert your 223/5.56 AR15 rifle to shoot 350 Legend ammunition for Deer Hunting (or other big game). The 5-Round magazine...

CMMG 6mm ARC Barrel...Medium Taper 16 inch 6mm ARC barrel fits AR-15 platform. Experience Hornady’s new 6mm ARC (Advanced Rifle Cartridge) by utilizing CMMG’s dedicated 6mm ARC barrel sub-assembly on your next build. 416 Stainless with SBN (Salt Bath...

CMMG Firing Pin fits AR15 - 55BA41C

CMMG Gas Tube Kit, Carbine - 55DA193Fits AR-15Carbine LengthStainless SteelIncludes Roll Pin

CMMG Gun Builders Lower Parts Kit, AR15 - 55CA601- Partial Lower Parts Kit includes everything you need except the fire control (trigger) parts and grip. So you can complete your lower parts build with an aftermarket trigger from Timney or JARD and a...

CMMG Lower Parts Kit, AR15 - 55CA6C5Easy Color Coded Installation Plus Online Video Instructions- The color coded CMMG Lower Parts Kit includes everything you need for your next lower receiver project. They're all premium grade parts that meet or exceed...