300BLK Uppers
300Blk uppers for AR15 in a wide range of Cerakote colors like FDE and OD Green are available from Always Armed. 300 BLK AR uppers are the top choice for your next hunting AR15. Using the standard 5.56 bolt carrier group, the .300 Blackout uppers are the go to pick when AR builders are looking for a new caliber in their AR-15 as they can be easily swapped out on existing AR lowers.
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Andro Corp 5" .300 Blackout Upper Receiver - Black
Now: $350.00Was: $415.00Andro Corp 5" .300 Blackout Upper Receiver - Black 4150 CMV Melonite 1:7 Twist M4 Feed Ramps Micro Length Gas System .750 Low Profile Gas Block QPQ Corrosion Resistant Finish A2 Flash Hider 5/8x24 Thread Pitch M-LOK Hand Guard 7075 T6...Now: $350.00Was: $415.00 -
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - Tactical Grape
Now: $329.00Was: $399.00Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - Purple Finished in Purple Cerakote Made in the USA 7075-T6 Mil-Spec .300 Blackout Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7.62x35)...Now: $329.00Was: $399.00 -
Grid Defense 10.5" .300 Blackout Upper Receiver - Burnt Bronze
Now: $329.00Was: $379.00Grid Defense 10.5" .300 Blackout Upper Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas...Now: $329.00Was: $379.00 -
Grid Defense 7.5" .300 Blackout Flash Can Upper Receiver - Tactical Grape
Now: $349.00Was: $399.00Grid Defense 7.5" .300 Blackout Pistol Upper Receiver - Tactical Grape Made in the USA Chambered in .300 Blackout (7.62x35) 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System .750 Low Profile Gas Block Dimpled Flash Can 9"...Now: $349.00Was: $399.00