CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Titanium 60B1091-TI
$899.95
CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Titanium 60B1091-TI. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Spe