10mm
- PRO2A 5.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite Upper Kit - MP5 StyleSpecial Price $869.99 $959.99
- PRO2A 5.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite Upper with Flash Can Kit - MP5 StyleSpecial Price $899.99 $1,019.99
- PRO2A 10.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can KitSpecial Price $809.99 $909.99