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Upper Build Starter Kits

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Lucas Oil Extreme Duty Gun Oil, 1oz Liquid
Lucas Oil Extreme Duty Gun Oil, 1oz Liquid
$9.99 $6.99
Davidson Defense 5.5 Ounce 9mm Buffer, Non-Sliding Weight
Davidson Defense 5.5 Ounce 9mm Buffer, Non-Sliding Weight
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$164.99 $99.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$134.99 $104.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, 15" M-Lok Handguard, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$219.99 $134.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, 15" M-Lok Handguard, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$229.99 $139.99 Sale
In Stock
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, 15" M-Lok Handguard, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$229.99 $139.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 10.5
MMC Combos AR-15 Starter Kit Featuring: 10.5" .300 Barrel 1-8T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$94.99 $74.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 7.5
MMC Combos AR-15 Starter Kit Featuring: 7.5" 5.56 Barrel 1-7T, 7" M-Lok Handguard, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$209.99 $129.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 18
MMC Combos AR-15 Starter Kit Featuring: 18" 6.5 Grendel Barrel 1-8T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$223.70 $139.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 18
MMC Combos AR-15 Starter Kit Featuring: 18" 6.5 Grendel Barrel 1-8T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$223.70 $139.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 8.5
MMC Combos AR-15 Starter Kit Featuring: 8.5" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$175.76 $109.99 Sale
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Lucas Oil Extreme Duty Gun Oil, 1oz Liquid
Lucas Oil Extreme Duty Gun Oil, 1oz Liquid
$9.99 $6.99 Sale
In Stock
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MMC Combos AR-15 Top Shelf Starter Kit Featuring: Mercury Precision 16.5
MMC Combos AR-15 Top Shelf Starter Kit Featuring: Mercury Precision 16.5" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$129.99 $99.99 Sale
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MMC Combos AR-15 Top Shelf Starter Kit Featuring: Mercury Precision 16.5
MMC Combos AR-15 Top Shelf Starter Kit Featuring: Mercury Precision 16.5" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$134.99 $99.99 Sale
In Stock
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$154.99 $94.99 Sale
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$144.99 $84.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$164.99 $99.99 Sale
In Stock
Add To Cart
MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$204.99 $124.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 10.5
MMC Combos AR-15 Starter Kit Featuring: 10.5" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$139.99 $104.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 10.5
MMC Combos AR-15 Starter Kit Featuring: 10.5" 7.62x39 Barrel 1-10T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$175.76 $109.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" .300 Blackout Barrel 1-8T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$129.99 $94.99 Sale
Out of Stock
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MMC Combos AR-15 Starter Kit Featuring: 16
MMC Combos AR-15 Starter Kit Featuring: 16" 5.56 Barrel 1-7T, Gas Block, Gas Tube, Muzzle Device w/ Crush Washer
$129.99 $99.99 Sale
In Stock
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MMC Combos LR-308 Upper Starter Kit Featuring: Gauntlet Arms LR-308 Low Profile Upper Receiver, Dust Cover, Forward Assist, LR-308 BCG and Charging Handle
MMC Combos LR-308 Upper Starter Kit Featuring: Gauntlet Arms LR-308 Low Profile Upper Receiver, Dust Cover, Forward Assist, LR-308 BCG and Charging Handle
$244.99 $184.99 Sale
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MMC Combos LR-308 Upper Starter Kit Featuring: Gauntlet Arms LR-308 Low Profile Upper Receiver, Dust Cover, Forward Assist, LR-308 BCG and Charging Handle
MMC Combos LR-308 Upper Starter Kit Featuring: Gauntlet Arms LR-308 Low Profile Upper Receiver, Dust Cover, Forward Assist, LR-308 BCG and Charging Handle
$254.99 $189.99 Sale
Out of Stock
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MMC Combos AR-15 Top Shelf Starter Kit Featuring: 4.5
MMC Combos AR-15 Top Shelf Starter Kit Featuring: 4.5" 9mm Barrel 1-9T, Muzzle Device w/ Crush Washer
$167.77 $104.99 Sale
Out of Stock
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1 2 3 Next Page View All

If you aren't quite sure about how you ultimately want your AR-15 or LR-308 build to look, or what purpose you are building it for, than our MMC Combos Upper Build Starter kits are a great place to start. We created these smaller kits with some of the essential parts needed to keep your cost down and to take any guess work out of figuring out which gas block and tube you need, or what thread pitch your muzzle device needs to be. Although we sell all these components ala carte, our combos include a combo discount to add value and convenience. You can package these together with our MMC Combos AR-15 80% Lower Build Kits you can make going from workbench to range easier than ever. We provide combos for a wide range 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.
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