40 S&W
- PRO2A 5.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit - MP5 StyleSpecial Price $869.99 $959.99
- PRO2A 10.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can KitSpecial Price $809.99 $879.99