Bolt Carrier Groups

Mystic Black Steel BCG – .223 / 5.56 / .300 AAC Blackout Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG...

CRYPTIC - .308 WIN / 7.62x51mm - Mystic Black Steel BCG (CC-0200) Coated bolt carrier group (full auto version) for AR10 (.308 WIN / 7.62x51mm) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined...

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Rise Armament,...

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Rise Armament,...

V Seven AR15 Nickel Boron BCG Complete  BOLT CARRIER GROUP INCLUDES:   BOLT ASSEMBLY COMPLETE M16 STYLE CARRIER W/ PROPERLY STAKED GAS KEY COMPATIBLE W/ BOTH SEMI/FULL AUTO CONFIGURATIONS CONTAINS V7 IMPROVED CAM PIN, CHROME...

This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants. CMMG, AR15 Bolt Carrier Group, 6.5 Grendel or 6MM ARC, Black CALIBER: 6.5 Grendel/6mm...

High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. CMMG, AR15 Bolt...

CMMG, Mk57 Barrel, 5.7X28MM, 5" Barrel, 1:9 Twist, Black Finish, Includes BCG, Fits AR Rifles Precise Manufacturing Long Term Reliability Durable Construction CMMG IS A LEADING MANUFACTURER OF AR-15 RIFLES, 22LR AR-15 CONVERSION KITS AND...

Mystic Black Low Mass Steel BCG – .223 / 5.56 / .300 AAC Blackout Bolt carrier group for AR15, M16, or M4 compatible with semi and full auto versions. Carrier is machined from Mil-Spec 8620 tool steel with shrouded firing pin and Mil-Spec chrome...

CRYPTIC - .308 WIN / 7.62x51mm - Mystic Gold Steel BCG (CC-0201) Coated bolt carrier group (full auto version) for AR10 (.308 WIN / 7.62x51mm) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior...

CRYPTIC - 6.5 Grendel - Mystic Black Steel BCG – Type II Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG...

CRYPTIC - 6.5 Grendel - Mystic Black Steel BCG – Type II Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG...