40 S&W
- PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 StyleSpecial Price $629.99 $799.99
- PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit - MP5 StyleSpecial Price $659.99 $829.99
- PRO2A 8.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 StyleSpecial Price $669.99 $849.99