300 Blackout Upper Receivers

PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper No BCG or CH

PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper - With BCG & CH

PSA 7.5" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper With BCG & CH

PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper W/BCG & CH

PSA 7.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight Hex M-Lok Upper With BCG & CH

PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-Lok Upper - No BCG or CH

PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-LOK Upper - With BCG, CH, & MBUS Sight Set

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver Heavy Carbine 1-8 5/8x24 Flash Hider Parkerized Tungsten

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver Heavy Pistol 1-8 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver Heavy Pistol 1-8 1/2x28 Flash Hider Parkerized ODG

Bear Creek Arsenal BC-15 .300AAC 16in Right Side Upper Receiver Heavy Carbine 1-8 5/8x24 Flash Hider 416R FDE

Bear Creek Arsenal BC-15 .300AAC 16in Right Side Upper Receiver Heavy Carbine 1-8 5/8x24 Flash Hider 416R ODG

STNGR AR-15 .300 Blackout 8.5in M-LOK Complete Upper w/7in VYPR Handguard BCG & CH OD Green Cerakote

STNGR AR-15 .300 Blackout 8.5in M-LOK Complete Upper w/7in VYPR Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 .300 Blackout 8.5in M-LOK Complete Upper w/7in VYPR Handguard BCG & CH Black Anodized

STNGR AR-15 .300 Blackout 10.5in M-LOK Complete Upper w/13.5in HWKXL Handguard BCG & CH OD Green Cerakote

STNGR AR-15 .300 Blackout 10.5in M-LOK Complete Upper w/13.5in HWKXL Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 .300 Blackout 10.5in M-LOK Complete Upper w/13.5in HWKXL Handguard BCG & CH Black Anodized

JARD AR Left Side Charge Upper Reciever Complete w/ Bolt Black

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical