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
ALWAYS ARMED 10.5" 300 BLACKOUT PISTOL KIT - MAGPUL FDE
Sale: $359.00MSRP: $499.00Always Armed 10.5" 300 Blackout Pistol Kit - Magpul FDE Made in the USA Mil-Spec Lower Parts Kit 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...Sale: $359.00MSRP: $499.00 -
On Sale
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - Zombie Green
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" UPPER - .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - ZOMBIE GREEN Finished in Zombie 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 Blackout (7...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Firearms 10.5" 300 Blackout with M-Lok 9" Pistol Kit - OD Green
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5".300 Pistol Kit - OD Green Olive Drab Green Cerakote Finish Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:8 Twist 4150 Chrome Moly Steel...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST ELITE 10.5" UPPER .300 BLACKOUT WITH AXE BRAKE - ZOMBIE GREEN
Sale: $329.00MSRP: $378.99GHOST ELITE 10.5" UPPER .300 BLACKOUT WITH AXE BRAKE - ZOMBIE GREEN Zombie Green Cerakote Finished Chambered in .300 Blackout Ghost Firearms AXE Brake 10.5" 1:8 Twist 4150 Black Nitride Barrel Pistol Length Gas System Ghost Firearms 9"...Sale: $329.00MSRP: $378.99 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - Tungsten Gray
$349.00Ghost Firearms Elite 10.5" .300 Stainless Steel Upper Receiver Tungsten Gray Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System ...$349.00 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - Blue Titanium
$349.00Ghost Firearms Elite 10.5".300 Stainless Steel Upper Receiver Blue Titanium Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System ...$349.00 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - FDE
$349.00Ghost Firearms Elite 10.5".300 Stainless Steel Upper Receiver Magpul Flat Dark Earth Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas...$349.00 -
On Sale
Ghost Fireams 10.5" 300 Blackout with M-Lok 9" Pistol Kit - FDE
Sale: $429.00MSRP: $579.00Ghost Firearms 10.5" .300 Pistol Kit - FDE Flat Dark Earth (FDE) Cerakote Finish Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:8 Twist 4150 Chrome Moly Steel...Sale: $429.00MSRP: $579.00 -
Always Armed 10.5" .300 Blackout Upper Receiver - Tungsten Gray | POW MIA
$334.00Always Armed 10.5" .300 Blackout Upper Receiver Made in the USA Mil-Spec 7075 T6 Upper Receiver with POW MIA Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...$334.00 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - OD Green
$349.00Ghost Firearms Elite 10.5" .300 Stainless Steel Upper Receiver Magpul Olive Drab Green Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas...$349.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - Blue Titanium
$399.00Grid Defense 10.5" .300 Blackout Upper Receiver The premium quality Mil-Spec uppers at best online prices, the new .300 blackout upper receiver, a premium product by Grid Defense. Finished in Blue Titanium Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5"...$399.00 -
On Sale
Ghost Fireams Elite 10.5" UPPER .300 BLACKOUT - TACTICAL GRAPE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5".300 Upper - Tactical Grape Tactical Grape 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...Sale: $259.00MSRP: $329.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - FDE
$399.00Grid Defense 10.5" .300 Blackout Upper Receiver Finished in Magpul Flat Dark Earth Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas System 9"...$399.00 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - Burnt Bronze
$349.00Ghost Firearms Elite 10.5".300 Stainless Steel Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finished Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas...$349.00 -
On Sale
Ghost Firearms 10.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 300 Blackout Upper Receiver Pistol Kit 10.5" 1:8 4150 Light HBAR Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) .750...Sale: $449.00MSRP: $599.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - Burnt Bronze
$399.00Grid Defense 10.5" .300 Blackout Upper Receiver Premium AR-15 upper Finished in Burnt Bronze Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas...$399.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - Tungsten Gray
$399.00Grid Defense 10.5" .300 Blackout Upper Receiver Finished in Tungsten Gray Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas System 9" Grid Defense...$399.00 -
On Sale
Grid Defense 10.5" .300 Blackout Upper Receiver - Tactical Grape
Sale: $299.00MSRP: $379.00Grid Defense 10.5" .300 Blackout Upper Receiver - Tactical Grape Finished in Purple 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 System...Sale: $299.00MSRP: $379.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - OD Green
$399.00Grid Defense 10.5" .300 Blackout Stainless Steel Upper Receiver Finished in Magpul Olive Drab Green Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length...$399.00 -
On Sale
ALWAYS ARMED 10.5" 300 BLACKOUT PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $479.00Always Armed 10.5" 300 Blackout Rifle Kit - Black Anodized Made in the USA Mil-Spec Lower Parts Kit 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...Sale: $339.00MSRP: $479.00