RADICAL FIREARMS Complete Upper Assembly 300AAC 16" HBAR 12" RPR

Radical .223 Remington Upper with 16" Barrel, Black - RF00325

Radical Firearms Complete Upper Assembly .300 AAC Blackout 10.5 Barrel

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

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

Radical Firearms Integrally Suppressed Upper .300 AAC Blackout 16 Barrel

Radical Firearms RPR 5.56x45mm 16", Black

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