PTAC 16" Mid-Length 5.56 NATO 1:7 Upper - Without BCG or Charging Handle - 42817

Barrel Length 16" 5.56 Nato Chamber1 in 7" twist Mid-length Gas Phosphate Finish.750" Gas Block Diameter M4 Feedramps Forged Upper Does not include BCG or Charging Handle   The upper receiver forgings are duty grade items.  As such they are guaranteed to be free of scratches that penetrate the anodizing.  They may, however, have cosmetic surface irregularities under the finish.  These marks are normal, in no way affect the integrity of the firearm, and are not considered a defect.