6mm ARC
- 16 inch LEFT HANDED AR-15 NR Side Charging 6mm ARC M-LOK Melonite UpperSpecial Price $619.99 $789.99
- 18 inch LEFT HANDED AR-15 NR Side Charging 6mm ARC M-LOK Melonite UpperSpecial Price $639.99 $809.99
- 16 inch LEFT HANDED AR-15 NR Side Charging 6mm ARC Melonite Complete Upper KitSpecial Price $879.99 $1,049.99
- 18 inch LEFT HANDED AR-15 NR Side Charging 6mm ARC Melonite Complete Upper KitSpecial Price $899.99 $1,089.99