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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Out 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 (7.62x35) .750 Low Profile Gas Block Pistol Length Gas...Sale: $449.00MSRP: $599.00 -
Out 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 9" M-Lok Free Float Hand Guard...$479.00 -
Out 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 Twist 4150 Light HBar Barrel Black Nitride...$529.00 -
Out of stockOn Sale
ALWAYS ARMED JESTER 16" .300 BLACKOUT RIFLE KIT - BURNT BRONZE
Sale: $379.00MSRP: $529.00Always Armed Jester 16" .300 Blackout Rifle Kit - Burnt Bronze 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: $379.00MSRP: $529.00 -
On 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 4150 Chrome Moly Steel Barrel Black Nitride...Sale: $439.00MSRP: $579.00 -
On 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 Handle A2 Flash Hider 5/8 by 24 7.5" 1:8 Twist 4150...Sale: $439.00MSRP: $579.00 -
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 -
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 -
On Sale
Ghost Fireams 16" 300 AAC Blackout with 14" M-Lok Rifle Kit - Zombie Green
Sale: $449.00MSRP: $599.00Ghost Firearms 16".300 AAC Rifle Kit - Zombie Green Zombie Green Cerakote Finish M16 Bolt Carrier Group Chambered in .300 Blackout Mil-spec Charging Handle A2 Flash Hider 16" 1:8 Twist 4150 Chrome Moly Steel Barrel Black Nitride Pistol...Sale: $449.00MSRP: $599.00 -
On Sale
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 Firearms 4.25" IHS M-Lok Free...$419.00 - $439.00 -
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