Aero Precision/CMT UHPR MOD 4. 13.7 upper
$420.00Price
New upper built by Ray Gunworks
Aero precision upper
Ballistic advantage 13.7 5.56 barrel
Carbine length gas system .750
1/2x28 threads
Cross machine and tool 12.5” UHPR MOD 4 rail
No bcg, charging handle or muzzle device included