16" nato. H-Bar with a 1.7 twist. Blk Nitride coated. From Delta Team Tactical. (This Barrel has only been test fired by D. T. T.) It was used it 2 times for mock up. (test fit only) I have never fired through this Barrel. 80.00! For locals. (pick up only) 85.00 plus shipping for non locals. 661-446-5748 for text.