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.

BCM AR15 Bolt Assembly

$79.95

BCM Flash Hider A2 1/2x28

Standard flash hider (flash suppressor) for M16A2, M16A3, M16A4, M4, M4A1.
$8.00

Geissele DDC Super Duty Upper Receiver

$155.00

Griffin Enhanced Mil Spec BCG

$137.41

Radian RAPTOR-SD Ambidextrous Charging Handle

The suppressor-optimized Raptor-SD™ features a ported shaft designed to redirect gasses down and forward, away from the shooter’s face when shooting suppressed.
$124.95

Rosco Non-Adjustable Gas Block .750 V2

$38.25
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Min: $8.00 Max: $550.00
$8 $550