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    • Top Shelf | AR-15 & LR-308/AR-10 Upper Build Kits
    • All AR-15 & LR-308/AR-10 | Upper Builds by Caliber
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Top Sellers

Davidson Defense 'Kabocha' 4
Davidson Defense 'Kabocha' 4" AR-15 9MM NIT Upper Build Kit
$479.99 $159.99
Davidson Defense
Davidson Defense "Choplifter" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$679.99 $364.99
Davidson Defense
Davidson Defense "Sand Wasp" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$619.99 $199.99
MMC 'Manchester' 16.5
MMC 'Manchester' 16.5" AR-15 5.56 Nitride Full Build Kit
$694.99 $379.99
Davidson Defense 'Kismet' 18
Davidson Defense 'Kismet' 18" AR-15 .350 Legend NIT Upper Build Kit
$534.99 $219.99
Davidson Defense
Davidson Defense "Ratchet" 8" AR-15 9MM Pistol Nitride Upper Build
$489.99 $174.99
MMC Arms
MMC Arms "Pershing" LR-308 Featuring Aero Precision M5 Upper 20" .308 Win 4150 CMV QPQ Nitride 1-10T Barrel 15" High Profile M-Lok Handguard (Assembled or Unassembled)
$934.99 $619.99
MMC 'Zephyr' 8
MMC 'Zephyr' 8" AR-15 9mm Pistol Nitride Full Build Kit
$834.99 $519.99
MMC
MMC "Capitol" 20" AR-15 5.56 Nitride Full Build Kit W/ Ballistic Advantage
$799.99 $484.99
MMC Arms
MMC Arms "Tobruk" AR-15 Featuring Anderson Mfg. Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$669.99 $354.99
MMC 'Gunnit' 20
MMC 'Gunnit' 20" AR-15 6.5 Grendel Nitride Upper Build Kit
$594.99 $279.99
Davidson Defense
Davidson Defense "Maysville" 8.5" AR-15 9mm Pistol Upper Build Kit
$534.99 $219.99
Davidson Defense 'Split' 18
Davidson Defense 'Split' 18" AR-15 .350 Legend NIT Upper Build Kit
$554.99 $239.99
MMC 'Neophron' 22
MMC 'Neophron' 22" LR-308 6.5 Creedmoor Nitride Rifle Full Build Kit
$909.99 $594.99
Davidson Defense
Davidson Defense "Servilius" AR-15 Pistol Upper Receiver 8" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$504.99 $189.99
Davidson Defense 'Saetta' 16.5
Davidson Defense 'Saetta' 16.5" AR-15 9MM NIT Upper Build Kit
$504.99 $189.99

Manufacturer

  1. Home
  2. AR-15 & LR-308 Upper Builds

AR-15 & LR-308 Upper Builds


Our MMC Combos AR-15 and LR-308 Upper Build Kits make it easy to get started on your custom build. Our expert team plans these combos to make sure that all parts are compatible to take any guess work out of the equation. We carry combos that fit any budget from plinker to competition and anything inbetween. Some of the brands that are featured in our combos are MMC Armory, Faxon, Fail Zero, Fortis, Odin Works, Guntech, Armaspec, 3rd Gen Tactical, Battle Arms Developement, and many more. We also have options in a wide variety of calibers such as .223 Wylde, 5.56 NATO,.224 Valkyrie, 300 Legend, .458 SOCOM, 12.7x42 (.50 Beowulf), .450 Bushmaster, 9mm, 7.62x39, 300 Blackout (AAC), 6.5 Creedmoor, 6.5 Gendel, 45 ACP, and .243 WIN
  • Top Shelf | AR-15 & LR-308/AR-10 Upper Build Kits
  • All AR-15 & LR-308/AR-10 | Upper Builds by Caliber
  • AR-15 & LR-308/AR-10 | 80% Upper Build Kits
  • AR-15 & LR-308 | Full Build Kits (Everything Minus Lower)
  • AR-15 & LR-308/AR-10 | Complete Upper Build Kits
  • AR-15 & LR-308/AR-10 | Upper Build Kits
  • Upper Build Kit Sale
  • Budget Builds $199.99 and Under
  • AR-15 A2 Retro Style Upper Build Kits
  • AR-15 Side Charging Upper Receiver Builds
  • AR-15 Upper Build Kit - Left Hand Ejection
  • Pre-Assembled Upper Builds
  • Upper Build Kits w/Optic

Products [882]

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1 2 3 4 5 6 7 ...56 Next Page View All
MMC 'Boot' 16
MMC 'Boot' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$704.99 $389.99 Sale
In Stock
Select Options
Davidson Defense 'Kismet' 18
Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit
$674.99 $359.99 Sale
In Stock
Select Options
MMC 'Coot' 16
MMC 'Coot' 16" AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$644.99 $329.99 Sale
In Stock
Select Options
Davidson Defense 'Kismet' 18
Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit
$614.99 $299.99 Sale
In Stock
Select Options
MMC 'Coot' 16
MMC 'Coot' 16" AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$564.99 $249.99 Sale
In Stock
Select Options
Davidson Defense 'Rattlesnake' 6
Davidson Defense 'Rattlesnake' 6" AR-15 9mm Nitride Pistol Full Build Kit
$679.99 $364.99 Sale
In Stock
Select Options
Davidson Defense 'Kabocha' 4
Davidson Defense 'Kabocha' 4" AR-15 9mm Nitride Pistol Full Build Kit
$644.99 $329.99 Sale
In Stock
Select Options
Davidson Defense 'Hywelbane' 10.5
Davidson Defense 'Hywelbane' 10.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$694.99 $379.99 Sale
In Stock
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Davidson Defense 'Asrah' 7.5
Davidson Defense 'Asrah' 7.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$674.99 $359.99 Sale
In Stock
Select Options
Davidson Defense 'Kabocha' 4
Davidson Defense 'Kabocha' 4" AR-15 9mm Nitride Pistol Complete Upper Build Kit
$554.99 $239.99 Sale
In Stock
Select Options
Davidson Defense 'Hywelbane' 10.5
Davidson Defense 'Hywelbane' 10.5" AR-15 5.56 NATO Nitride Pistol Complete Upper Build Kit
$614.99 $299.99 Sale
In Stock
Select Options
Davidson Defense 'Asrah' 7.5
Davidson Defense 'Asrah' 7.5" AR-15 5.56 NATO Nitride Pistol Complete Upper Build Kit
$594.99 $279.99 Sale
In Stock
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Davidson Defense 'Norfleet' 16
Davidson Defense 'Norfleet' 16" AR-15 5.56 NATO Nitride Rifle Full Build Kit
$579.99 $364.99 Sale
In Stock
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Davidson Defense 'Choplifter' 16
Davidson Defense 'Choplifter' 16" AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$519.99 $299.99 Sale
In Stock
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Davidson Defense 'Quick' 8
Davidson Defense 'Quick' 8" AR-15 9mm Manganese Phosphate Pistol Upper Build Kit
$399.99 $184.99 Sale
In Stock
Select Options
Davidson Defense 'Rainbow Road' 16
Davidson Defense 'Rainbow Road' 16" AR-15 .223 Nitride Rifle Upper Build Kit
$609.99 $294.99 Sale
In Stock
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1 2 3 4 5 6 7 ...56 Next Page View All
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