BCM® SOPMOD Bolt Upgrade / Rebuild Kit-210000395371

Solgw Bolt Rebuild Kit-676821104922

Bravo Company Mfg

BCM® Charging Handle MK2 BCM-GFH-MK2-MED-812526023773

BCM® Grip Mod 3 - Black-210000395279

BCM® Stock - Mod 0 - Black-855877004916