6mm ARC
- PRO2A LEFT HAND 20" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $909.99 $1,129.99
- PRO2A LEFT HAND 22" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $929.99 $1,149.99