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  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Full Build Kits (Everything Minus Lower)
  4. Shop by Caliber > AR-15 & LR-308/AR-10 Full Build Kits (Everything Minus Lower)
  5. .300 Blackout > AR-15 Full Build Kits (Everything Minus Lower)

.300 Blackout > AR-15 Full Build Kits (Everything Minus Lower)



Top Sellers

Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$324.99 Original price $244.99
Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$369.99 Original price $279.99
Davidson Defense Aegis Lightweight 16-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
Davidson Defense Aegis Lightweight 16-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
$324.99 Original price $244.99
Davidson Defense Helcaraxe 16-inch AR-15 .300 BLK Rifle Full Build Kit
Davidson Defense Helcaraxe 16-inch AR-15 .300 BLK Rifle Full Build Kit
$329.99 Original price $249.99
Davidson Defense Mutton Chops V2 10.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Handguard Pistol Full Build Kit, SBR Ready
Davidson Defense Mutton Chops V2 10.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Handguard Pistol Full Build Kit, SBR Ready
$294.99 Original price $219.99
Davidson Defense Mutton Chops V2 w/SBA3 Brace 10.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Handguard Pistol Full Build Kit
Davidson Defense Mutton Chops V2 w/SBA3 Brace 10.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Handguard Pistol Full Build Kit
$394.99 Original price $294.99

New Releases

Blemished Troy Alpha Engraved 13
Blemished Troy Alpha Engraved 13" Tactical Handguard MMC Engraved
$199.99 Original price $149.99
Wilson Combat Flat Performance Glock Trigger
Wilson Combat Flat Performance Glock Trigger
$118.99 Original price $89.99
Mag Release, Bolt Catch, Ejector, and Two Roll Pins for 9MM 80% Lower
Mag Release, Bolt Catch, Ejector, and Two Roll Pins for 9MM 80% Lower
$1.99
Galil Bipod Pin NO CLIP
Galil Bipod Pin NO CLIP
$3.99 Original price $2.99
.300 Blackout > AR-15 Full Build Kits (Everything Minus Lower) subcategories
  • Rifle Length > .300 Blackout > AR-15 Full Build Kits (Everything Minus Lower)

Products [87]

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Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Full Build Kit
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Full Build Kit
$369.99 $279.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Warpick w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$354.99 $264.99 Sale
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Davidson Defense 'Warpick w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$329.99 $249.99 Sale
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Davidson Defense 'Warpick w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$364.99 $274.99 Sale
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Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$334.99 $254.99 Sale
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Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$399.99 $299.99 Sale
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Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$309.99 $234.99 Sale
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Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$349.99 $264.99 Sale
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Davidson Defense Aegis w/Gauntlet Arms Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/Gauntlet Arms Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$319.99 $239.99 Sale
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Davidson Defense Aegis w/KAK Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/KAK Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$339.99 $254.99 Sale
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Davidson Defense Aegis w/SBA3 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBA3 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$404.99 $304.99 Sale
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Davidson Defense Aegis w/SBM4 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBM4 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$354.99 $269.99 Sale
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Davidson Defense The Rattler w/Gauntlet Arms Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense The Rattler w/Gauntlet Arms Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
$319.99 $239.99 Sale
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Davidson Defense The Rattler w/KAK Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense The Rattler w/KAK Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
$344.99 $259.99 Sale
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Davidson Defense The Rattler w/SBA3 Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense The Rattler w/SBA3 Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
$404.99 $304.99 Sale
In Stock. Free Shipping.
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Davidson Defense The Rattler w/SBM4 Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense The Rattler w/SBM4 Brace 6-inch AR-15 .300 BLK Pistol Full Build Kit
$359.99 $269.99 Sale
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Davidson Defense Poker Ace w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$329.99 $249.99 Sale
In Stock. Free Shipping.
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Davidson Defense Poker Ace w/KAK Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/KAK Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$354.99 $269.99 Sale
In Stock. Free Shipping.
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Davidson Defense Poker Ace w/SBA3 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/SBA3 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$419.99 $314.99 Sale
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Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$369.99 $279.99 Sale
In Stock. Free Shipping.
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Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$324.99 $244.99 Sale
In Stock.
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Davidson Defense Shadow Skirmisher w/KAK Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/KAK Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$349.99 $264.99 Sale
In Stock. Free Shipping.
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Davidson Defense Shadow Skirmisher w/SBA3 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/SBA3 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$409.99 $309.99 Sale
In Stock. Free Shipping.
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Davidson Defense Shadow Skirmisher w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$364.99 $274.99 Sale
In Stock. Free Shipping.
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