Foxtrot Mike Products Complete FM-15 GEN 2 .223 Wylde AR-15 Upper Receiver - 9" Barrel - Fixed Gas Block

Foxtrot Mike Products FM9 Rear Charging Rifle 9mm 16 Barrel

FOXTROT MIKE PRODUCTS FM15

Primary Weapons Systems MK111 MOD 2-M .223 Wylde 11.85" Barrel Complete Upper, Black - 182M111UA0B

Primary Weapons Systems MK116 MOD 1-M .223 Wylde 16" Barrel Complete Upper, Chrome-Lined Black - M116UA0B

FOXTROT MIKE 102 223 WYLDE G2 RFL 16" INTRMDITE GAS, ZHUKOV STOCK, MOE GRIP, 1-30RD

Primary Weapons Systems MK1 Mod-1M Upper for AR-15 .223 Wylde 11.8 Barrel

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M9