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DD
DD "Ammosaurus" 16.5" AR-15 5.56 Nitride Full Build Kit W/ Aero
$649.99 Original price $364.99
Davidson Defense
Davidson Defense "Aethelred" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$654.99 Original price $369.99
Davidson Defense 'Sup Rior' 16.5
Davidson Defense 'Sup Rior' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$649.99 Original price $364.99
Davidson Defense 'Corncrake' 8.5
Davidson Defense 'Corncrake' 8.5" AR-15 9mm Nitride Full Build Kit
$704.99 Original price $389.99
Davidson Defense 'Cavalier' 16
Davidson Defense 'Cavalier' 16" AR-15 5.56 Nitride Full Build Kit
$649.99 Original price $364.99
Davidson Defense
Davidson Defense "Amygdala" 6" AR-15 9mm Pistol Full Build Kit
$754.99 Original price $319.99
Davidson Defense 'Vali' 7.5
Davidson Defense 'Vali' 7.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$594.99 Original price $309.99
Davidson Defense
Davidson Defense "Ural" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$664.99 Original price $379.99
Davidson Defense 'Kismet' 18
Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit
$629.99 Original price $344.99
Davidson Defense 'Lichyard' 20
Davidson Defense 'Lichyard' 20" AR-15 .223 Wylde Nitride Rifle Full Build Kit
$699.99 Original price $384.99
Davidson Defense 'Unity' 16
Davidson Defense 'Unity' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Full Build Kit
$684.99 Original price $399.99
Davidson Defense 'Midnight Exigent' 16
Davidson Defense 'Midnight Exigent' 16" AR-15 .223 Nitride Rifle Full Build Kit
$644.99 Original price $359.99

New Releases

Northtac Ronin V10 1x35 Red Dot Sight
Northtac Ronin V10 1x35 Red Dot Sight
$84.99 Original price $68.99
Northtac Ronin P-12 Red Dot Sight 1x20mm, Includes Absolute & Lower 1/3 Co-Witness Mounts
Northtac Ronin P-12 Red Dot Sight 1x20mm, Includes Absolute & Lower 1/3 Co-Witness Mounts
$89.99 Original price $71.99
Flip Ups + 45 Degree Mount: 45 Offset M-Lok Mount + 45 Offset M-Lok Mount + QF BUIS Front and Rear Iron Sight Combo
Flip Ups + 45 Degree Mount: 45 Offset M-Lok Mount + 45 Offset M-Lok Mount + QF BUIS Front and Rear Iron Sight Combo
$34.99 Original price $24.99
Red Dot + Flip Up Sight Combo: Northtac Assault Combo1-4x28 Scope MilDot Red,Green,Blue Illum.Reticle + Polymer Flip Up Sight Set
Red Dot + Flip Up Sight Combo: Northtac Assault Combo1-4x28 Scope MilDot Red,Green,Blue Illum.Reticle + Polymer Flip Up Sight Set
$174.99 Original price $124.99
  1. Home
  2. AR-15 & LR-308 Upper Builds
  3. Full Build Kits Under $400

Full Build Kits Under $400

A full build kit for an AR-15 at less than $400? Yep, we have some great options to get you started on your best build yet.

Products [75]

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Davidson Defense 'Zubr' 16
Davidson Defense 'Zubr' 16" AR-15 7.62x39 Nitride Rifle Full Build Kit
$629.99 $344.99 Sale
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Davidson Defense 'Vali' 7.5
Davidson Defense 'Vali' 7.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$594.99 $309.99 Sale
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DD 'Anchor' 16
DD 'Anchor' 16" AR-15 5.56 NATO Stainless Rifle Full Build Kit
$669.99 $384.99 Sale
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DD 'Glintstone' 16
DD 'Glintstone' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$684.99 $399.99 Sale
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Davidson Defense 'Agraffe' 10.5
Davidson Defense 'Agraffe' 10.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Scroop' 10.5
Davidson Defense 'Scroop' 10.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$684.99 $399.99 Sale
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Davidson Defense 'Fremantle' 7.5
Davidson Defense 'Fremantle' 7.5" AR-15 7.62x39 Nitride Pistol Full Build Kit
$604.99 $389.99 Sale
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Davidson Defense 'Pilcrow' 10.5
Davidson Defense 'Pilcrow' 10.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Vorfreude' 7.5
Davidson Defense 'Vorfreude' 7.5" AR-15 7.62x39 Nitride Pistol Full Build Kit
$629.99 $344.99 Sale
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Davidson Defense 'Mononymous' 7.5
Davidson Defense 'Mononymous' 7.5" AR-15 7.62x39 Nitride Pistol Full Build Kit
$639.99 $354.99 Sale
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Davidson Defense 'Kismet' 18
Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit
$629.99 $344.99 Sale
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Davidson Defense
Davidson Defense "Amygdala" 6" AR-15 9mm Pistol Full Build Kit
$754.99 $319.99 Sale
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Davidson Defense 'Crockett' 16
Davidson Defense 'Crockett' 16" AR-15 .223 Nitride Rifle Full Build Kit
$644.99 $369.99 Sale
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Davidson Defense 'One As Many' 18
Davidson Defense 'One As Many' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit
$629.99 $344.99 Sale
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Davidson Defense 'Wendigo' 18
Davidson Defense 'Wendigo' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit
$639.99 $354.99 Sale
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Davidson Defense 'Rooster' 16.5
Davidson Defense 'Rooster' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Jackal' 6
Davidson Defense 'Jackal' 6" AR-15 9mm Nitride Pistol Full Build Kit
$604.99 $399.99 Sale
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Davidson Defense 'Straight Shooter' 17.1
Davidson Defense 'Straight Shooter' 17.1" AR-15 .223 Stainless Rifle Full Build Kit
$644.99 $359.99 Sale
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Davidson Defense 'Doohickey' 16
Davidson Defense 'Doohickey' 16" AR-15 .223 Wylde Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Lightshow III - Grey' 16.5
Davidson Defense 'Lightshow III - Grey' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Lightshow III - Black' 16.5
Davidson Defense 'Lightshow III - Black' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Lightshow III - Purple' 16.5
Davidson Defense 'Lightshow III - Purple' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense 'Lightshow III - Red' 16.5
Davidson Defense 'Lightshow III - Red' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense 'Lightshow III - Gold' 16.5
Davidson Defense 'Lightshow III - Gold' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Zerstorung' 6
Davidson Defense 'Zerstorung' 6" AR-15 9mm Nitride Pistol Full Build Kit
$634.99 $349.99 Sale
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Davidson Defense 'Schutzen' 6
Davidson Defense 'Schutzen' 6" AR-15 9mm Nitride Pistol Full Build Kit
$649.99 $349.99 Sale
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Davidson Defense 'Eckert' 16.25
Davidson Defense 'Eckert' 16.25" AR-15 7.62x39 Nitride Rifle Full Build Kit
$619.99 $399.99 Sale
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Davidson Defense 'Revanche' 4.5
Davidson Defense 'Revanche' 4.5" AR-15 9mm Nitride Pistol Full Build Kit
$549.99 $334.99 Sale
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Davidson Defense 'Timida' 6
Davidson Defense 'Timida' 6" AR-15 9mm Nitride Pistol Full Build Kit
$574.99 $369.99 Sale
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Davidson Defense 'Crazy Horse' 7.5
Davidson Defense 'Crazy Horse' 7.5" AR-15 5.56 NATO Stainless Pistol Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Unity' 16
Davidson Defense 'Unity' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Full Build Kit
$684.99 $399.99 Sale
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Davidson Defense 'Madago' 16.5
Davidson Defense 'Madago' 16.5" AR-15 Drop-In 5.56 NATO Nitride Rifle Full Build Kit
$594.99 $309.99 Sale
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Davidson Defense 'Arkansas' 16
Davidson Defense 'Arkansas' 16" AR-15 6.5 Grendel Nitride Rifle Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense 'Avathar' 16
Davidson Defense 'Avathar' 16" AR-15 .223 Nitride Rifle Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense 'Arda' 16
Davidson Defense 'Arda' 16" AR-15 6.5 Grendel Nitride Rifle Full Build Kit
$679.99 $394.99 Sale
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Davidson Defense 'Red Rover' 16
Davidson Defense 'Red Rover' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$694.99 $379.99 Sale
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Davidson Defense 'Immediate Action' 16
Davidson Defense 'Immediate Action' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$699.99 $384.99 Sale
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Davidson Defense 'Kypro' 16.25
Davidson Defense 'Kypro' 16.25" AR-15 7.62x39 Nitride Rifle Full Build Kit
$659.99 $374.99 Sale
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Davidson Defense 'Drop Shot' 16
Davidson Defense 'Drop Shot' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$664.99 $379.99 Sale
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Davidson Defense 'Hitmarker' 16
Davidson Defense 'Hitmarker' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$669.99 $384.99 Sale
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Davidson Defense 'Smalls' 4.5
Davidson Defense 'Smalls' 4.5" AR-15 9mm Nitride Pistol Full Build Kit
$589.99 $374.99 Sale
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Davidson Defense 'Get Out' 4.5
Davidson Defense 'Get Out' 4.5" AR-15 .45 ACP Nitride Pistol Full Build Kit
$579.99 $364.99 Sale
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Davidson Defense 'Lance' 16
Davidson Defense 'Lance' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$579.99 $364.99 Sale
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Davidson Defense 'Silver Lion' 16
Davidson Defense 'Silver Lion' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$584.99 $379.99 Sale
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Davidson Defense 'Sleek Mod' 16
Davidson Defense 'Sleek Mod' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$584.99 $379.99 Sale
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Davidson Defense 'Retro Carry Handle' 16
Davidson Defense 'Retro Carry Handle' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$579.99 $364.99 Sale
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Davidson Defense 'Ammosaurus' 16
Davidson Defense 'Ammosaurus' 16" AR-15 5.56 NATO Nitride Rifle Full Kit Drop-in Trigger Ready
$554.99 $349.99 Sale
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Davidson Defense 'Anchor' 16
Davidson Defense 'Anchor' 16" AR-15 5.56 NATO Nitride Rifle Full Kit Drop-in Trigger Ready
$579.99 $364.99 Sale
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Davidson Defense 'Fennek' 16
Davidson Defense 'Fennek' 16" AR-15 5.56 NATO Nitride Rifle Full Kit Drop-in Trigger Ready
$544.99 $339.99 Sale
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Davidson Defense 'Lichyard' 20
Davidson Defense 'Lichyard' 20" AR-15 .223 Wylde Nitride Rifle Full Build Kit
$699.99 $384.99 Sale
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 'Witherhoard' 14.5
'Witherhoard' 14.5" AR-15 .300BLK Nitride Pistol Full Build Kit
$574.99 $344.99 Sale
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Davidson Defense 'Midnight Exigent' 16
Davidson Defense 'Midnight Exigent' 16" AR-15 .223 Nitride Rifle Full Build Kit
$644.99 $359.99 Sale
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Davidson Defense 'Wayman' 8.5
Davidson Defense 'Wayman' 8.5" AR-15 .300BLK Nitride Pistol Full Build Kit
$764.99 $359.99 Sale
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Davidson Defense 'Ember' 8.5
Davidson Defense 'Ember' 8.5" AR-15 .300BLK Nitride Pistol Full Build Kit
$714.99 $399.99 Sale
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Davidson Defense 'Jarom' 8.5
Davidson Defense 'Jarom' 8.5" AR-15 .300BLK Nitride Pistol Full Build Kit
$709.99 $394.99 Sale
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Davidson Defense 'Salaria' 7.5
Davidson Defense 'Salaria' 7.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense 'Sup Rior' 16.5
Davidson Defense 'Sup Rior' 16.5" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$649.99 $364.99 Sale
In Stock.
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Davidson Defense 'Corncrake' 8.5
Davidson Defense 'Corncrake' 8.5" AR-15 9mm Nitride Full Build Kit
$704.99 $389.99 Sale
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Davidson Defense
Davidson Defense "Ural" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$664.99 $379.99 Sale
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Davidson Defense 'Crusader' 5.25
Davidson Defense 'Crusader' 5.25" AR-15 9MM Nitride Full Build Kit
$709.99 $394.99 Sale
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Davidson Defense 'Yugure' 5.25
Davidson Defense 'Yugure' 5.25" AR-15 9MM Nitride Full Build Kit
$694.99 $379.99 Sale
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DD
DD "Ammosaurus" 16.5" AR-15 5.56 Nitride Full Build Kit W/ Aero
$649.99 $364.99 Sale
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Davidson Defense
Davidson Defense "Cisticola" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $364.99 Sale
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DD 'Fennek' 16.5
DD 'Fennek' 16.5" AR-15 5.56 Full Build Kit
$639.99 $354.99 Sale
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DD 'Manchester' 16.5
DD 'Manchester' 16.5" AR-15 5.56 Nitride Full Build Kit
$639.99 $354.99 Sale
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Davidson Defense 'Caravan' 16
Davidson Defense 'Caravan' 16" AR-15 7.62x39 Nitride Full Build Kit
$659.99 $374.99 Sale
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DD 'Aether' 16
DD 'Aether' 16" AR-15 5.56 Stainless Full Build Kit
$649.99 $369.99 Sale
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Davidson Defense 'Sho't Kal Dalet' 7.5
Davidson Defense 'Sho't Kal Dalet' 7.5" AR-15 7.62x39 Pistol Nitride Full Build Kit
$674.99 $349.99 Sale
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Davidson Defense 'Cavalier' 16
Davidson Defense 'Cavalier' 16" AR-15 5.56 Nitride Full Build Kit
$649.99 $364.99 Sale
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Davidson Defense
Davidson Defense "Lowe" AR-15 Pistol Upper Receiver 4" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 3.5" MP5 Handguard (Assembled or Unassembled)
$669.99 $354.99 Sale
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DD 'Macer' 10.5
DD 'Macer' 10.5" AR-15 .300 Blackout Pistol Nitride Full Build Kit
$649.99 $364.99 Sale
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DD 'Scalpel' 10.5
DD 'Scalpel' 10.5" AR-15 .300 Blackout Pistol Nitride Full Build Kit
$654.99 $369.99 Sale
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Davidson Defense
Davidson Defense "Golden Eagle" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$629.99 $344.99 Sale
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Davidson Defense
Davidson Defense "Horseshoe Bat" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$649.99 $364.99 Sale
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Davidson Defense
Davidson Defense "Aethelred" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$654.99 $369.99 Sale
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218 N State Street Orem UT 84057
United States Of America
833-496-6401

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