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  4. Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits

Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits



Top Sellers

Davidson Defense 8.5
Davidson Defense 8.5" 5.56 NATO AR-15 Pistol Upper Receiver: Avagaum, 4150 CMV 1:7, 7" M-LOK Handguard
$159.99 Original price $119.99
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$184.99 Original price $139.99
Davidson Defense Medusa's Fury 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat Tubular Handguard Pistol Assembled Upper Receiver
Davidson Defense Medusa's Fury 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat Tubular Handguard Pistol Assembled Upper Receiver
$151.99 Original price $114.99
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
$174.99 Original price $129.99
Davidson Defense Silver Fang 7.5
Davidson Defense Silver Fang 7.5" 5.56 NATO AR-15 Pistol Upper Receiver, Pistol-Gas, 1:7 Twist
$158.99 Original price $119.99
Davidson Defense Left-Handed Aegis 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Left-Handed Aegis 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$174.99 Original price $129.99
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$184.99 Original price $139.99
Davidson Defense Forsaken Void 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Forsaken Void 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$199.99 Original price $149.99
Davidson Defense Orbit 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Orbit 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$184.99 Original price $139.99
Davidson Defense LPK Replacement AR-15 Selector Spring
Davidson Defense LPK Replacement AR-15 Selector Spring
$4.99 Original price $2.99
Davidson Defense Attuned 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Quad-Rail Handguard Pistol Upper Build Kit
Davidson Defense Attuned 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Quad-Rail Handguard Pistol Upper Build Kit
$179.99 Original price $134.99
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
$204.99 Original price $154.99

New Releases

Stiffler MFG Blemished G19 Compatible Viper Slide, OD Camo Cerakote, RMR Cut with Aluminum Plate Cover
Stiffler MFG Blemished G19 Compatible Viper Slide, OD Camo Cerakote, RMR Cut with Aluminum Plate Cover
$244.99 Original price $184.99
Stiffler MFG Blemished G19 Compatible Turbo Slide, Gold Cerakote, Stripped, RMR Cut with Cover Plate
Stiffler MFG Blemished G19 Compatible Turbo Slide, Gold Cerakote, Stripped, RMR Cut with Cover Plate
$171.99 Original price $129.99
Stiffler MFG Blemished G17 Gen 1-3 Compatible Turbo Slide, RMR Cut, Tungsten Cerakote, Stripped, Cover Plate
Stiffler MFG Blemished G17 Gen 1-3 Compatible Turbo Slide, RMR Cut, Tungsten Cerakote, Stripped, Cover Plate
$184.99 Original price $139.99
NO-LOGO AR-15 Pistol Lower Build Kit, Rare Breed FRT-15L3, SBA5 Stabilizing Brace
NO-LOGO AR-15 Pistol Lower Build Kit, Rare Breed FRT-15L3, SBA5 Stabilizing Brace
Free Shipping.
$916.99 Original price $689.99
Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits subcategories
  • .223 Rem > AR-15 Upper Build Kits
  • 5.56 NATO > AR-15 Upper Build Kit
  • .223 Wylde > AR-15 Upper Build Kits
  • 6mm ARC > AR-15 Upper Build Kits
  • 6.5 Creedmoor > LR-308/AR-10 Upper Build Kits
  • 6.5 Grendel > AR-15 Upper Build Kits
  • 7.62x39 > AR-15 Upper Build Kits
  • .300 Blackout > AR-15 Upper Build Kits
  • .308 Winchester > LR-308/AR-10 Upper Build Kits
  • 8.6 Blackout
  • .350 Legend > AR-15 Upper Build Kits
  • 9mm > AR-15 Upper Build Kits
  • 10MM > AR-15 Upper Build Kits
  • .45 ACP > AR-15 Upper Build Kits
  • .450 Bushmaster > AR-15 Upper Build Kits
  • .458 SOCOM > AR-15 Upper Build Kits
  • 12.7x42 > AR-15 Upper Build Kits
  • .22 ARC > AR-15 Upper Build Kits

Products [469]

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Davidson Defense
Davidson Defense "Buzzard" AR-15 / AR-9 Pistol Upper Receiver 7.5" 9MM QPQ Nitride 1-10T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$199.99 $149.99 Sale
Out of Stock. More on the way.
Davidson Defense LPK Replacement AR-15 Selector Spring
Davidson Defense LPK Replacement AR-15 Selector Spring
$4.99 $2.99 Sale
In Stock.
Add To Cart
Glock Slide Lock Spring 569501 / 100-002-737 GLSP05446-25
Glock Slide Lock Spring 569501 / 100-002-737 GLSP05446-25
$4.99 $3.99 Sale
In Stock.
Select Options
Glock OEM Slide Lock Spring 19/23/32 SP02317
Glock OEM Slide Lock Spring 19/23/32 SP02317
$9.99 $4.99 Sale
In Stock.
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Davidson Defense 'Legend' AR-15 Upper Receiver 16
Davidson Defense 'Legend' AR-15 Upper Receiver 16" Ultra-Match 350 Legend 4150 CMV 1-16T Barrel 15" M-Lok Handguard
$239.99 $179.99 Sale
Currently out of stock - More on the way
Davidson Defense Davidson Defense Zero Motivation 7.5
Davidson Defense Davidson Defense Zero Motivation 7.5" 5.56 NATO AR-15 Pistol Upper, 416R Stainless, 1:7
$179.99 $134.99 Sale
In Stock.
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Davidson Defense Hermits AR-15 Pistol Upper Receiver 7.5
Davidson Defense Hermits AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel
$159.99 $119.99 Sale
In Stock.
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Davidson Defense Grimace 7.5
Davidson Defense Grimace 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$189.99 $144.99 Sale
In Stock.
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Davidson Defense 'Anthea' 7.5
Davidson Defense 'Anthea' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$184.99 $139.99 Sale
In Stock.
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DD Elite Series 'Ironstone' 16.5'' AR-15 5.56 NATO 1-7T Rifle Build Kit
DD Elite Series 'Ironstone' 16.5'' AR-15 5.56 NATO 1-7T Rifle Build Kit
$414.99 $309.99 Sale
In Stock. Free Shipping.
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Davidson Defense 8.5
Davidson Defense 8.5" 5.56 NATO AR-15 Pistol Upper Receiver: Avagaum, 4150 CMV 1:7, 7" M-LOK Handguard
$159.99 $119.99 Sale
In Stock.
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Davidson Defense Flopzoom .300 Blackout AR-15 Pistol Upper Build Kit M-Lok Handguard
Davidson Defense Flopzoom .300 Blackout AR-15 Pistol Upper Build Kit M-Lok Handguard
$184.99 $139.99 Sale
In Stock.
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Davidson Defense Chuckman AR-15 5.56 NATO Pistol Upper Built Kit M-Lok Handguard
Davidson Defense Chuckman AR-15 5.56 NATO Pistol Upper Built Kit M-Lok Handguard
$159.99 $119.99 Sale
In Stock.
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Davidson Defense 'Trento' 16.5
Davidson Defense 'Trento' 16.5" AR-15 9MM NIT Upper Build Kit
$191.99 $144.99 Sale
In Stock.
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Davidson Defense Davidson Defense
Davidson Defense Davidson Defense "Yippy Mac" 16" AR-15 .350 Legend Upper Build Kit
$229.99 $169.99 Sale
In Stock.
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White Label Fennek 5.56 NATO Upper
White Label Fennek 5.56 NATO Upper
$219.99 $164.99 Sale
In Stock.
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Davidson Defense Vanta 16-inch Carbine-Gas 7.62x39mm AR-15 Freefloat M-Lok Rifle Upper Build Kit
Davidson Defense Vanta 16-inch Carbine-Gas 7.62x39mm AR-15 Freefloat M-Lok Rifle Upper Build Kit
$199.99 $149.99 Sale
In Stock.
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Davidson Defense Anchor 5.56 NATO Upper
Davidson Defense Anchor 5.56 NATO Upper
$249.99 $189.99 Sale
In Stock.
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Alligata 9mm Upper
Alligata 9mm Upper
$189.99 $144.99 Sale
In Stock.
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Davidson Defense
Davidson Defense "Condenser" 16" AR-15 9MM Nitride Upper Build
$285.99 $214.99 Sale
In Stock.
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Davidson Defense Pallid 16-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Upper Build Kit
Davidson Defense Pallid 16-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Upper Build Kit
$274.99 $204.99 Sale
In Stock.
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Davidson Defense The Vampire .350 Legend Upper
Davidson Defense The Vampire .350 Legend Upper
$209.99 $159.99 Sale
In Stock.
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Davidson Defense 'The Vampire 7.62x39' 16-inch AR-15 7.62x39 Manganese Phosphate Rifle Upper Build Kit
Davidson Defense 'The Vampire 7.62x39' 16-inch AR-15 7.62x39 Manganese Phosphate Rifle Upper Build Kit
$204.99 $154.99 Sale
In Stock.
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Customs 'Mockingbird Gen 2' 9MM Upper Build Kit
Customs 'Mockingbird Gen 2' 9MM Upper Build Kit
$154.99 $114.99 Sale
In Stock.
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782 S Auto Mall Dr American Fork UT 84003
United States Of America
833-496-6401

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