Upper Build Assemblies

Upper Build Assemblies
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AR .300 Blackout 10.5" Pistol Length Barrel with 7" Keymod Slim Free Float Handguard

Includes:BR3108-NAR-15 FLAT-TOP UPPER RECEIVER (STRIPPED) - MADE IN U.S.A.FORWARD ASSIST ASSEMBLY - ..

$317.49

AR .300 Blackout 10.5" Pistol Length Barrel with 7" M-LOK Slim Free Float Handguard

Includes:BR3108-NAR-15 FLAT-TOP UPPER RECEIVER (STRIPPED) - MADE IN U.S.A.FORWARD ASSIST ASSEMBLY - ..

$329.64

AR .300 Blackout 10.5" Pistol Length Barrel with 7" M-LOK Slim Free Float Handguard and BCG

Includes:AR-15 FLAT-TOP UPPER RECEIVER (STRIPPED) - MADE IN U.S.A.FORWARD ASSIST ASSEMBLY - BLACKAR-..

$441.06

AR .300 Blackout 16" Rifle Barrel with 10" M-Lok Custom USA Made Handguard Upper Build

Includes:Upper Receiver Ejection Port/Dust Cover AssemblyForward Assist Assembly16" .300 AAC Bl..

$555.79 $440.99

AR .300 Blackout 16" Rifle Barrel with 12" M-Lok Custom USA Made Handguard Upper Build

Includes:Upper Receiver Ejection Port/Dust Cover AssemblyForward Assist Assembly16" .300 AAC Bl..

$566.99 $447.99

AR .300 Blackout 16" Rifle Barrel with 15" M-Lok Custom USA Made Handguard Upper Build

Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cyclin..

$453.59 $370.99

AR .300 Blackout 16" Rifle Barrel with 15" M-Lok Custom USA Made Handguard Upper Build

Includes:Upper Receiver Ejection Port/Dust Cover AssemblyForward Assist Assembly16" .300 AAC Bl..

$576.79 $459.19

AR .300 Blackout 7.5" Pistol Barrel with 4.5" M-Lok Custom USA Made Handguard Upper Build

Includes:Upper Receiver Ejection Port/Dust Cover AssemblyForward Assist AssemblyCharging Handle..

$527.79 $412.99

AR .300 Blackout 7.5" Pistol Barrel with 4.5" M-Lok Custom USA Made Handguard Upper Build

Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cyclin..

$404.59 $324.79