Rosco Manufacturing PB-16-HB-300BLK-8-P Purebred 300 Blackout 16″ Nickel Boron Stainless Steel Barrel
Daniel Defense 0707809136018 DD Barrel 5.56x45mm NATO 16″ Black Phosphate Finish 4150 Chrome Moly Vanadium Steel Material Midlength with Lightweight Profile for AR-15
Wilson Combat TR300RCPG16RT7 Match Grade Barrel 300 Blackout 16″ Stainless Bead Blasted Finish 416R Stainless Steel Material Pistol Length with Threading & 1:7″ Twist for AR-15