FN PS90 5.7x28mm Rifle with FDE Bullpup Thumbhole Stock

CMMG FN PS90 Prefit Barrel 5.7x28mm FN 10.4" Manganese Phosphate 1:9" Twist

Kel-Tec SUB-2000 SK2 Semi-Automatic Rifle 5.7x28mm FN 16.15" Black Threaded Barrel Black Frame Black Folding Stock

Ruger LC Carbine Semi Automatic Rifle 5.7x28mm FN 16.25" Black Nitride Threaded Barrel Black Frame Black Folding Stock

Smith & Wesson M&P FPC Semi Automatic Rifle 5.7x28mm FN 16.25" Black Threaded Barrel Black Frame Black Folding Stock

Diamondback DBX57 BGFB Pistol 5.7 X 28 8 Barrel 20-Rounds

Dark Mountain Stow Away Grey 5.7 X 28 16 Barrel 1-Round

FN PS90 Semi Automatic Rifle 5.7x28mm FN 16.04" Chrome Threaded Barrel Black Frame Black Bullpup Stock 30+1-Round