JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website.
Live Now! SHOT Show 2026 - Click Here To Watch
Shop Popular AR-15 RiflesSHOP NOW
Shop Popular HandgunsSHOP NOW
Shop AllIn Stock AmmoSHOP NOW
Exclusive Classic Firearms 30 Round AR MagazineGET YOURS
Filter By
TacFire BU-300-10 AR-15 Complete Upper, 300 Blackout, 10" Black Nitride Barrel, Black Anodized Finish
Q LLC Sugar Weasel AR-15 Upper, 300 Blackout, 13" Barrel, Black Finish, MPN ACCSW30013INUPPER.
CMMG 30BC239AB Dissent MK4 300 Blackout 10.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 9.6
CMMG 30B0E67AB Dissent MK4 300 Blackout 6.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 4.60
Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Cer
DPMS Kitty Kat DP51655170308 AR-15 Compatible Upper 300 Blackout 7.5" Barrel Black Nitride Finish.
Rosco Manufacturing Bloodline BL-16-HB-300BLK-8-P 16" Barrel 300 Blackout 4150 CMV Nitride AR-15 Compatible
Lead & Steel LS300-14.5 14.5" 300 Blackout Barrel 4150 Chrome Moly Vanadium QPQ Nitride AR-15 Compatible
TacFire BU-300-16 AR-15 Complete Upper, .300 AAC Blackout, 16" Black Nitride Barrel, Black Finish
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 16" ATLAS R-ONE Handguard - Anodiz
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerako
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodiz
Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Ano
Ballistic Advantage Performance Series 10.3" .300 Blackout Hanson Profile Pistol Barrel with Low Profile Gas Block