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 - Tungsten Gray
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Tungsten Gray Cerakote Milspec 7075-T6 Upper Receiver Upper Receiver Pistol Kit 7.5" 1:8 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) .750 Low...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Firearms 16" 300 AAC Blackout with 14" M-Lok Rifle Kit - Tungsten Gray
Sale: $449.00MSRP: $599.00Ghost Firearms 16".300 AAC Rifle Kit -Tungsten Gray Tungsten Gray 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 Steel Barrel Black...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Firearms 7.5" .300 Blackout Pistol Kit - Tungsten Gray
Sale: $395.00MSRP: $579.00Ghost Firearms 7.5" .300 Pistol Kit - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in .300 Blackout (7.62x35mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 5/8 by 24 7.5" 1:8 Twist 4150 Chrome Moly Steel...Sale: $395.00MSRP: $579.00 -
On 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 Hider 10.5" 1:8 Twist 4150 Chrome Moly Steel Barrel Black Nitride Pistol Length Gas...Sale: $439.00MSRP: $579.00 -
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 Blackout (7.62x35) .750 Low Profile Gas Block Pistol...Sale: $449.00MSRP: $599.00