LBE UPPER W/FRWRD ASSIST AND EJECTIO

LBE AR15 M4 STRIPPED UPPER RECEIVER

NORDIC NC15A3 FORGED UPPER STNDRD A3

NOVESKE GEN 3 STRIPPED UPPER BLK

NOVESKE GEN 1 M4 STRIPPED UPPER BLK

SEEKINS V3 IRMT-3 BILLET UPPER BLK

SEEKINS IRMT-R BILLET UPPER BLK

SEEKINS SP BILLET 223 UPPER BLK

SPIKE'S BILLET UPPER GEN2 MILSPEC

SPIKE'S M4 UPPER FORGED FT MULTICAL

VLTOR MUR MOD UPPER RCVR BASD BLK

YHM AR-15 STRIPPED UPPER RECEIVER