CMMG 55DE10A Barrel Sub-Assembly 5.56x45mm NATO 16.10" Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with M4 Profile for AR-15 $206.61
CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10" Stainless Bead Blasted Finish 416R Stainless Steel Material Midlength with Medium Taper Profile for AR-15 $212.91