Current lead time for custom uppers is 4 weeks
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Begin your build by adding a part below. Your progress will be saved automatically. Utilize the convenient filters to quickly locate the parts you need. Access your saved builds or start a new build from your Buildlist page. Don't see the part you want for your custom build? Request it through our Request A Part form.

Griffin SN-ACH Gen 2 Charging Handle

$99.95

Microbest Mil-Spec 5.56 Bolt Carrier Group

The Microbest BCG has been designed from the ground up with the most avid shooters in mind, using only the best materials available on the market today. The bolt assembly is machined from Carpenter No. 158® steel, shot-peened, MP marked, HP tested, and has a tool steel extractor that is machined from bar stock.
$110.00

Noveske CHF 16.1" 5.56 Barrel

Noveske chrome lined barrels are cold hammered forged and made with the material callouts and manufacturing process for the M249 Machine Gun barrel.
$550.00

Superlative Arms Adjustable Gas Block .750

The Superlative Arms Patented Bleed Off Mode, direct impingement, gas block for the AR-15 platform adjusts the gas flow by bleeding the gas out the front of the block instead of restricting the flow like conventional adjustable blocks.
$99.99

SureFire SOCOM 3 Prong Flash Hider 1/2x28

$169.00

CMT Tactical J.A.G. Gas Block .625

The J.A.G. Line of gasblocks provide a High Quality, affordable product that is beautifully finished and machined by CMT's World Class manufacturing equipment and staff. J.A.G. gasblocks feature a completed through hole instead of a blind gas tube hole to ensure future trouble free replacement of worn gas tubes.
$24.99
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Min: $8.00 Max: $550.00
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