AR15 - 300 Blackout
Our 300 Blackout barrels are crafted from top-quality materials, and our upper receivers and rifle kits are built to the highest standards. Our selection of parts and accessories includes everything from handguards and muzzle devices to gas blocks and bolt carrier groups. We also offer a wide range of customization options to suit your unique needs and preferences.
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On Sale
GHOST FIREARMS 16" 300 BLACKOUT WITH 14" M-LOK RAIL RIFLE KIT - BLACK
Sale: $429.00MSRP: $599.00GHOST FIREARMS 16" 300 AAC BLACKOUT RIFLE KIT Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 16" 1:8 Twist 4150 Light HBar Black Nitride Barrel 14" Ghost Firearms Free Float M-LOK Rail A2 Muzzle Device Mil-Spec 7075-T6 Upper...Sale: $429.00MSRP: $599.00 -
Ghost Vital 16" Upper .300 Blackout with BCG/Charging Handle, AXE Brake and Sights
$449.00Ghost Firearms Vital 16" Upper Chambered in .300 Blackout (7.62x35) AXE Brake 16" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 11" M-Lok Free Float Hand Guard Ghost Mil-Spec 7075...$449.00 -
On Sale
Ghost Firearms 10.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Black Anodized
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Hard Coat Black Anodized Finish Milspec 7075-T6 Upper Receiver 10.5" 1:8 4150 Light HBAR Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) .750 Low Profile Gas Block Pistol Length...Sale: $449.00MSRP: $599.00 -
Out of stock
Ghost Vital Stainless Steel 10.5" Upper .300 Blackout - Black Anodized
$299.00Ghost Firearms Elite 10.5".300 Stainless Steel Upper Receiver Hard Coat Black Anodized Finish Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System Ghost...$299.00 -
On Sale
ALWAYS ARMED 7.5" 300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED
Sale: $189.00MSRP: $269.00ALWAYS ARMED 7.5" 300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...Sale: $189.00MSRP: $269.00 -
Out of stock
16" .300 Blackout Upper Receiver with 15" KeyMod Hand Guard
$299.0016" .300 Blackout Upper Receiver with 15" KeyMod Hand Guard Made in the USA 16" 4150 Barrel Chambered in .300 Blackout 15" Free Floating Key Mod Hand Guard Black Anodized Finish Pistol Length Gas System A2 Muzzle Device$299.00 -
On Sale
ALWAYS ARMED 10.5" .300 BLACKOUT BX SERIES UPPER RECEIVER - BLACK ANODIZED
Sale: $189.00MSRP: $279.00ALWAYS ARMED 10.5" .300 BLACKOUT BX SERIES UPPER RECEIVER 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 System ...Sale: $189.00MSRP: $279.00 -
On Sale
ALWAYS ARMED 16" .300 BLACKOUT BX SERIES UPPER RECEIVER - BLACK
Sale: $199.00MSRP: $299.00ALWAYS ARMED 16" .300 BLACKOUT BX SERIES 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...Sale: $199.00MSRP: $299.00 -
On Sale
GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER - BLACK
Sale: $329.00MSRP: $399.00Grid Defense 16" .300 Blackout Upper Receiver - Black Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 14" M-Lok Rail 16" 1:8 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 300 Blackout Upper Receiver - OD Green
Sale: $329.00MSRP: $399.00Grid Defense 16" 300 Blackout Upper Receiver - OD Green OD Green Cerakote Finish Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System Grid Defense 14" M-Lok Free Float Hand...Sale: $329.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 7.5" 300 BLACKOUT PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $459.00Always Armed 7.5" 300 Blackout Pistol Kit - Black Anodized Made in the USA Mil-Spec Lower Parts Kit Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 300 Blackout...Sale: $339.00MSRP: $459.00 -
On Sale
Grid Defense 10.5" .300 Blackout Upper Receiver - OD Green
Sale: $299.00MSRP: $379.00Grid Defense 10.5" .300 Blackout Upper Receiver - OD Green Finished in Magpul Olive Drab Green 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...Sale: $299.00MSRP: $379.00 -
On Sale
Grid Defense 7.5" .300 Blackout Upper Receiver - OD Green
Sale: $299.00MSRP: $379.00Grid Defense 7.5" .300 Blackout Upper Receiver Finished in Magpul OD Green Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Pistol Length Gas System A2 Flash Hider...Sale: $299.00MSRP: $379.00 -
On Sale
GRID DEFENSE 10.5" .300 BLACKOUT UPPER RECEIVER - BLACK
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 300 Blackout Upper Receiver Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 7075-T6 Milspec Upper Receiver 10.5" 1:8 Twist 4150 Steel Light HBar Barrel - Black Nitride .750 Low Profile Gas Block Pistol Length Gas System...Sale: $299.00MSRP: $379.00 -
On Sale
ALWAYS ARMED 16" 300 BLACKOUT RIFLE KIT - BLACK ANODIZED
Sale: $349.00MSRP: $469.00Always Armed 16" 300 Blackout Rifle Kit - Black Anodized Made in the USA Mil-Spec Lower Parts Kit Carbine Buffer Tube Assembly Rifle Butt Stock Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 4150 Barrel with Black...Sale: $349.00MSRP: $469.00 -
On Sale
ALWAYS ARMED 6" .300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED
Sale: $187.78MSRP: $269.00ALWAYS ARMED 6" 300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 6" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...Sale: $187.78MSRP: $269.00 -
Out of stockOn Sale
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL
Sale: $229.00MSRP: $309.00ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 416R Stainless Steel Barrel Upper Receiver Chambered in .300...Sale: $229.00MSRP: $309.00 -
On Sale
Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Magpul OD Green
Sale: $329.00MSRP: $399.00Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Magpul OD Green Magpul OD Green Cerakote Finish Chambered in .300 Blackout 14" M-Lok Quad Rail 16" 1:8 4150 Barrel - Black Nitride Pistol Length Gas System A2 Flash Hider Mil-Spec...Sale: $329.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 7.5" .300 BLACKOUT STAINLESS STEEL UPPER RECEIVER - BLACK
Sale: $179.00MSRP: $279.00ALWAYS ARMED 7.5" .300 BLACKOUT STAINLESS STEEL UPPER RECEIVER - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout Pistol...Sale: $179.00MSRP: $279.00 -
On Sale
Ghost Firearms 16" 300 Blackout with 14" M-Lok Rifle Kit - OD Green
Sale: $449.00MSRP: $599.00Ghost Firearms 16" .300 AAC AR-15 Rifle Kit - Olive Drab Green OD Green Cerakote Finish Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 16" 1:8 Twist 4150 Chrome Moly...Sale: $449.00MSRP: $599.00