Radian

Radian Enhanced BCG Assembly - .223/5.56

F-1 Firearms

F-1 Firearms DuraBolt BCG Assembly - .223/5.56 - Rose Gold

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56 - Nickel Boron

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56 - Gold

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56

Lantac USA

Lantac M-SPEC BCG Assembly - .223/5.56

Knights Armament Co.

Knight's Armament Company Sand Cutter Bolt Carrier - .223/5.56 - Silver

CMMG

CMMG BCG Assembly - .223/5.56

CMC Triggers

CMC Triggers Enhanced BCG Assembly - .223/5.56

Wilson Combat

Wilson Combat BCG Assembly - .223/5.56

F-1 Firearms

F-1 Firearms DuraBolt BCG Assembly - .223/5.56 - Chrome

Ballistic Advantage

Ballistic Advantage Performance Series 16" Mid-Length AR-15 Barrel - .223/5.56

Ballistic Advantage

Ballistic Advantage Premium Black Series 18" Rifle Length AR-15 Barrel - .223/5.56

Ballistic Advantage

Ballistic Advantage Premium Series 18" Rifle Length AR-15 Fluted Barrel - .223/5.56 - Stainless

Ballistic Advantage

Ballistic Advantage Premium Black Series 16" Mid-Length AR-15 Barrel - .223/5.56

Wilson Combat

Wilson Combat Recon 16" Intermediate Length AR-15 Barrel - .223/5.56 - Stainless

Wilson Combat

Wilson Combat PROTECTOR Elite Carbine CALIFORNIA LEGAL - .223/5.56

Steyr

Steyr Arms AUG A3 M1 (Long Rail) CALIFORNIA LEGAL - .223/5.56 - White

Lewis Machine and Tool

LMT SPM16 CALIFORNIA LEGAL - .223/5.56

Colt's Manufacturing Co.

Colt CR6920 M4 Carbine CALIFORNIA LEGAL - .223/5.56