WINDHAM WEAPONRY HBC A3 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle - Black

IWI Carmel Black 5.56 NATO 16 Barrel 30-Rounds

Kel-Tec RDB Defender Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Bullpup Stock

Kel-Tec RDB Defender Tan 5.56 16.1 Barrel 20-Rounds

Kel-Tec RDB Survival Black 5.56 / .223 Rem 16.1 Barrel 20-Rounds

Kel-Tec RDB-S Bullpup Green 223 Rem/5.56 NATO 16.1 Barrel 20-Rounds

Kel-Tec RDB Bullpup 5.56 / .223 Rem 17.3 Barrel 20-Rounds

Kel-Tec RDB Bullpup Semi Automatic Rifle 5.56x45mm NATO 17.3" Blued Threaded Barrel Olive Drab Frame Olive Drab Bullpup Stock