Radian Weapons Assembled AR-15 Upper Receiver Builder Set - 17" - FDE -

Radian Weapons Model 1 10" Upper Receiver and Handguard Set, Flat Dark Earth

RADIAN WEAPONS Model 1 14in Radian Gray Upper and Handguard Set (R0625)

RADIAN WEAPONS Model 1 14in FDE Upper and Handguard Set (R0627)

Radian Weapons R0027 Complete Upper 300 Blackout 9" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15

RADIAN WEAPONS Model 1 .300 Blackout 9in Black Complete Upper Receiver (R0027)

BATTLE ARMS Authority ELite Upper Recv 5.56 10.5" AR-15 Gray

BATTLE ARMS Workhorse Upper Recv 5.56 16" AR-15 Sniper Gray