300 Blackout Build Kits
We offer a range of meticulously crafted kits designed to enhance your shooting experience. From avid hunters to tactical enthusiasts, our 300 Blackout Kits provide exceptional versatility and performance, allowing you to optimize your rifle for a variety of applications. Explore our carefully curated selection and discover the power, precision, and reliability that make Grid Defense the preferred choice for shooters seeking the ultimate edge.
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On Sale
Ghost Firearms 7.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - OD Green
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Magpul Olive Drab Green Cerakote Milspec 7075-T6 Upper Receiver 7.5" 1:8 4150 Light HBar Barrel - Black Nitride Chambered in...Sale: $449.00MSRP: $599.00 -
On Sale
ALWAYS ARMED 10.5" .300 BLACKOUT TR SERIES WITH TRINITY FORCE SIGHTS PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $469.00Always Armed 10.5" .300 Blackout TRX Series with Trinity Force Sights Pistol Kit - Black Anodized Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8...Sale: $339.00MSRP: $469.00 -
On Sale
Ghost Firearms 7.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - FDE
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Magpul Flat Dark Earth Cerakote Milspec 7075-T6 Upper Receiver 7.5" 1:8 4150 Light HBar Barrel - Black Nitride Chambered in ...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Firearms 10.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Tungsten Gray
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Tungsten Gray Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:8 4150 Light HBAR Barrel - Black Nitride Chambered in .300...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Fireams 10.5" 300 Blackout with 9" M-Lok Pistol Kit - Blue Titanium
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" .300 Blackout Pistol Kit - Blue Titanium Blue Titanium Cerakote Finish Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging HandleSale: $439.00MSRP: $579.00On Sale
Ghost Fireams 10.5" 300 Blackout with 9" M-Lok Pistol Kit -Tungsten Gray
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" .300 Pistol Kit - Tungsten Gray Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash HiderSale: $439.00MSRP: $579.00On Sale
Ghost Firearms 7.5" 300 Blackout with 7" M-Lok Pistol Kit - OD Green
Sale: $439.00MSRP: $579.00Ghost Firearms 7.5".300 Pistol Kit - OD Green OD Green Cerakote Finished Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle&nbSale: $439.00MSRP: $579.00On 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 <Sale: $439.00MSRP: $579.00On Sale
Ghost Firearms 16" 300 AAC Blackout with 14" M-LOK RAIL RIFLE KIT - TACTICAL GRAPE
Sale: $449.00MSRP: $599.00GHOST FIREARMS 16" 300 AAC BLACKOUT RIFLE KIT - Tactical Grape Finished in Purple Cerakote Chambered in 300 Blackout (7.62x35) 16" 1:8 Twist 4150 Light HBar Black Nitride Barrel 14" Ghost Firearms...Sale: $449.00MSRP: $599.00On Sale
Ghost Firearms 7.5" 300 Blackout with 7" M-Lok Pistol Kit Burnt Bronze
Sale: $439.00MSRP: $579.00GHOST FIREARMS 7.5" 300 Blackout Upper M-Lok Pistol Kit- BURNT BRONZE Chambered in 300 AAC Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash HiderSale: $439.00MSRP: $579.00Out of stockOn Sale
Ghost Fireams 7.5" .300 BLACKOUT WITH 7" M-LOK PISTOL KIT - TACTICAL GRAPE
Sale: $439.00MSRP: $579.00Ghost Firearms 7.5".300 Pistol Kit - Tactical Grape Premium quality, AR build kits, the new AR-15 300 blackout pistol build kits by Ghost Firearms. Comes with M16 BCG. Purple Cerakote Finished...Sale: $439.00MSRP: $579.00On Sale
Ghost Fireams 10.5" 300 Blackout with M-Lok 9" Pistol Kit - FDE
Sale: $439.00MSRP: $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 <Sale: $439.00MSRP: $579.00Out of stockOn Sale
Ghost Firearms 7.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 7.5" 1:8 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7...Sale: $449.00MSRP: $599.00
Ghost IHS 5" .300 Blackout Pistol Kit
$419.00 - $439.00Ghost IHS 5" .300 Blackout Pistol Kit Chambered in .300 Blackout (7.61x31) A2 Birdcage Flash Hider 5/8x24 Thread Pitch 5" 1:5 Twist 4150 M4 Barrel Black Nitride Micro Length Gas System Ghost...$419.00 - $439.00On Sale
Ghost Firearms 7.5" .300 Blackout with 7" M-Lok Pistol Kit - FDE
Sale: $439.00MSRP: $579.00Ghost Firearms 7.5".300 Pistol Kit - Flat Dark Earth Finished in Flat Dark Earth Cerakote Chambered in .300 Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging HaSale: $439.00MSRP: $579.00Out of stock
Ghost Vital 10.5" .300 Blackout Pistol Build Kit With Nickel Boron lower parts kit
$479.00Includes: Ghost Firearms Vital 10.5" 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...$479.00Out of stock
Ghost Vital 16" .300 Blackout Rifle Build Kit With Nickel Boron lower parts kit
$529.00Ghost Vital 16" .300 Blackout Rifle Build Kit With Nickel Boron LPK Ghost Firearms Vital 16" Upper Chambered in .300 Blackout (7.62x35) A2 Birdcage Flash Hider 300 Blackout Ghost Gun 16" 1:8...$529.00On Sale
Ghost Firearms 10.5" .300 BLACKOUT WITH 9" M-LOK PISTOL KIT - TACTICAL GRAPE
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" .300 Pistol Kit - Tactical Grape Purple Cerakote Finish Chambered in .300 BLACKOUT (7.62X35) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:8 Twist...Sale: $439.00MSRP: $579.00Out 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 -...Sale: $449.00MSRP: $599.00Out 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...$499.00