Radical Firearms 20" .450 Bushmaster 1:14 Carbine Length HBAR Complete AR-15 Upper - 15" M-LOK MHR Gen3 Rail - OPEN BOX

Radical Firearms Complete Upper Assembly for 300 Blackout 16" 1:8 Twist, Black - CFU16-300HBAR-15RPR

Radical Firearms Complete Upper Assembly .300 AAC Blackout 10.5 Barrel

Rock River Arms MID A4 16" Classic Upper .450 Bushmaster 1:24 M-LOK Mid-Length with BCG and CH, Black - Enhanced Durability - 450B0592

Radical Firearms RF-10 .308 Win 16 Barrel 20-Rounds RPR Handguard

Rock River Arms A4 SS 16" Classic Upper .450 Bushmaster 1:24 M-LOK Mid-Length with BCG and CH, Black - 450B0461

Radical Firearms Forged MHR .450 Semi-Automatic AR-15 Rifle - FR16-450BUSH-15MHR

Radical Firearms 16" 300BLK Rifle w/ MLOK, CB - FR16-300HBAR-15RPR-CB