300 Blackout Uppers
Our custom-built 300 Blackout uppers and accessories are designed to deliver superior performance and reliability. Our selection of 300 Blackout upper receivers and barrel assemblies are crafted from top-quality materials and built to the highest standards to ensure that you can build the ultimate firearm.
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Ghost Firearms Elite 16" Upper .300 Blackout - Black
Sale: $249.00MSRP: $319.00Ghost Firearms 16" .300 Blackout Upper Receiver - Black Black Anodized Finish Milspec 7075-T6 Upper Receiver 16" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System A2 Muzzle Device .750 Low Profile Gas Block 14" Free...Sale: $249.00MSRP: $319.00 -
Ghost Vital 7.5" .300 Blackout Upper Receiver - Black
Sale: $239.00MSRP: $299.00Ghost Vital 7.5" .300 Blackout Upper Receiver - Black Chambered in .300 Blackout (7.62x35) A2 Birdcage Flash Hider 7.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System 5/8 by 24 Thread Ghost Firearms...Sale: $239.00MSRP: $299.00 -
Ghost Vital 10.5" Upper .300 Blackout
Sale: $239.00MSRP: $299.00Ghost Vital 10.5".300 Upper Chambered in .300 Blackout (7.62x35) A2 Birdcage Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 9" M-Lok Free Float Hand...Sale: $239.00MSRP: $299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED
Sale: $189.00MSRP: $279.00Always Armed 10.5" 300 Blackout Upper Receiver - Black Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...Sale: $189.00MSRP: $279.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - BLACK
Sale: $199.00MSRP: $269.00Always Armed 16" 300 Blackout Upper Receiver - Black Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas System ...Sale: $199.00MSRP: $269.00 -
Ghost Elite 16" Upper .300 Blackout - FDE
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" Upper .300 Blackout - FDE Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 14" M-Lok Free...Sale: $269.00MSRP: $349.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - MAGPUL FDE
Sale: $219.00MSRP: $319.00Always Armed 16" 300 Blackout Upper Receiver - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas System .750 Low...Sale: $219.00MSRP: $319.00 -
GHOST FIREARMS ELITE 10.5" UPPER RECEIVER - .300 BLACKOUT UPPER - FDE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" .300 - Flat Dark Earth Flat Dark Earth Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride 5/8x24 Thread Pitch Pistol Length Gas...Sale: $259.00MSRP: $329.00 -
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - FDE Finished in Magpul Flat Dark Earth Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7...Sale: $329.00MSRP: $399.00 -
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout Pistol Length Gas System .750 Low...Sale: $329.00MSRP: $399.00 -
Grid Defense 7.5" .300 Blackout Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense 7.5" .300 Blackout Pistol Upper Receiver - Flat Dark Earth Chambered in .300 Blackout 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride 7075-T6 Milspec Upper Receiver Pistol Length Gas System .750 Low Profile Gas Block Dimpled...Sale: $329.00MSRP: $399.00 -
Ghost Firearms Elite 16" Upper .300 AAC Blackout - OD Green
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" .300 AAC Upper - OD Green 300 BLACKOUT UPPER Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 14"...Sale: $269.00MSRP: $349.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 10.5" 300 Blackout Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...Sale: $209.00MSRP: $299.00 -
Ghost Firearms Elite 10.5" Upper .300 Blackout - Burnt Bronze
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" .300 - Burnt Bronze Burnt Bronze Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 9"...Sale: $259.00MSRP: $329.00 -
7.5" .300 Blackout Flash Can Upper Receiver With 10" MLOK Hand Guard
Sale: $199.00MSRP: $299.007.5" .300 Blackout Flash Can Upper Receiver With 10" MLOK Hand Guard Made in the USA Mil Spec 7075 T6 Upper Receiver 7.5" 4150 Steel Barrel with Black Nitride Finish Chambered in .300 Blackout 1:8 Twist Rate 10" Free Floating MLOK Hand...Sale: $199.00MSRP: $299.00 -
Ghost Firearms Elite 16" Upper .300 AAC Blackout - Blue Titanium
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16".300 AAC Upper - Blue Titanium GHOST FIREARMS ELITE 16" UPPER - .300 AAC BLACKOUT UPPER - BLUE TITANIUM Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel Black Nitride...Sale: $269.00MSRP: $349.00 -
Ghost Fireams Elite 10.5" Upper .300 Blackout - OD Green
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5".300 - OD Green OD Green Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 9"...Sale: $259.00MSRP: $329.00 -
Grid Defense 7.5" .300 Blackout Flash Can Upper Receiver - Black Anodized
Sale: $329.00MSRP: $399.00Grid Defense 7.5" .300 Blackout Flash Can Upper - Black Made in the USA Pistol Length Gas System Dimpled Flash Can 9" Grid Defense Octagon M-Lok Rail Chambered in .300 Blackout (7.62x35) 1:8 Twist 4150 Light HBar Barrel - Black Nitride Mil-Spec 7075-T6...Sale: $329.00MSRP: $399.00 -
Ghost Firearms Elite 10.5" Upper .300 Blackout - Blue Titanium
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" .300 Blackout Upper Receiver- Blue Titanium Blue Titanium Cerakote Finished Ghost Firearms 10.5" Upper Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black...Sale: $259.00MSRP: $329.00 -
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - OD Green
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" UPPER - .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - OD GREEN Finished in Magpul Olive Drab Green Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Chambered in .300...Sale: $329.00MSRP: $399.00