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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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
Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $399.00Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Burnt Bronze Burnt Bronze 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 7075-T6 Upper...Sale: $329.00MSRP: $399.00 -
Out of stockOn Sale
Grid Defense GX2 7.5" .300 Blackout Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense GX2 7.5" .300 Blackout Flash Can Upper Mil-Spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 M4 Barrel - Black Nitride Chambered in .300 Blackout 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled Flash Can Pistol Length Gas System Made in...Sale: $329.00MSRP: $399.00 -
Out of stock
Grid Defense Stainless Steel 16" 300 Blackout Upper Receiver - Burnt Bronze
$429.00Grid Defense Stainless Steel 16" 300 Blackout Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 16" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System...$429.00 -
Out of stock
ALWAYS ARMED 16" .300 BLACKOUT BX SERIES STAINLESS STEEL UPPER RECEIVER WITH AXE BRAKE - TITANIUM
$349.00ALWAYS ARMED 16" .300 BLACKOUT BX SERIES STAINLESS STEEL UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout Pistol Length Gas...$349.00 -
On Sale
ALWAYS ARMED 7.5" 300 BLACKOUT TR SERIES UPPER RECEIVER - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 7.5" 300 Blackout TR Series Upper Receiver - Magpul FDE 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...Sale: $209.00MSRP: $299.00 -
Out of stockOn Sale
ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - TEQUILA SUNRISE
Sale: $219.00MSRP: $319.00ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - TEQUILA SUNRISE Made in the USA Tequila Sunrise Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15" Free Float M-LOK OCTO Series Rail 16" 1:8 Twist...Sale: $219.00MSRP: $319.00 -
On Sale
ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - TUNGSTEN GRAY
Sale: $219.00MSRP: $319.00ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - TUNGSTEN GRAY Made in the USA Tungsten Gray Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15" Free Float M-LOK OCTO Series Rail 16" 1:8 Twist Barrel...Sale: $219.00MSRP: $319.00 -
Out of stockOn 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
Ghost Vital 7.5" .300 Blackout Pistol Build Kit With Nickel Boron lower parts kit
$499.00Ghost Firearms Vital 7.5" .300 Upper A2 Birdcage Flash Hider 7.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost Mil-Spec 7075 T6 Upper Receiver Mil-Spec Hard...$499.00 -
Out of stock
Grid Defense 16" .300 Quad Rail Upper Receiver with Stainless Steel 1:8 Barrel and AXE Brake - Black
$478.99Grid Defense 16" .300 Quad Rail Upper Receiver Black Anodized Finish Chambered in .300 Blackout 14" M-Lok Quad Rail 16" 1:8 416R Stainless Steel Barrel Pistol Length Gas System Stainless Steel AXE Brake Mil-Spec 7075-T6 Upper Receiver$478.99 -
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 7.5" .300 Blackout Upper Receiver - Burnt Bronze
$399.00Grid Defense Stainless Steel 7.5" .300 Blackout Upper Receiver Burnt Bronze Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 7.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System Grid...$399.00 -
On Sale
ALWAYS ARMED 7.5" 300 BLACKOUT PISTOL KIT - BURNT BRONZE
Sale: $359.00MSRP: $499.00Always Armed 7.5" 300 Blackout Pistol Kit - Burnt Bronze 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: $359.00MSRP: $499.00 -
Out of stock
Ghost Fireams Elite Stainless Steel 16" Upper .300 Blackout - OD Green
$379.00Ghost Firearms Elite Stainless Steel 16".300 AAC Blackout Upper - OD Green The new .300 blackout upper receiver with A2 flash can. OD Green Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 16" 1:8 Twist 416R Stainless...$379.00 -
Out of stockOn Sale
Ghost Firearms Elite 7.5" Upper 7.62x39 - Blue Titanium
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" .300 - Blue Titanium Chambered in 7.62x39 7.5" Upper A2 Flash Hider 7.5" 1:10 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...Sale: $259.00MSRP: $329.00 -
GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL, MAGPUL AFG AND TF SIGHTS - BLACK
$455.45GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL, MAGPUL AFG AND TF SIGHTS Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 12" M-Lok Rail 16" 1:8 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System A2 Flash Hider...$455.45 -
On Sale
Grid Defense 6" .300 Blackout Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense 6" .300 Blackout Pistol Upper Receiver - Flat Dark Earth Chambered in .300 Blackout 6" 1:7 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 -
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 -
Out of stock
Grid Defense Stainless Steel 7.5" .300 Blackout Upper Receiver - Blue Titanium
$399.00Grid Defense Stainless Steel 7.5" .300 Blackout Upper Receiver Blue Titanium Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 7.5" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas System Grid...$399.00