• 16.5″ barrel
• 5R button-pulled polygonal rifling (superior accuracy and velocity)
• 4150 Mil-B-11595, (machine gun rated steel)
• Medium contour
• 70 Rockwell case hardened (nitride heat treated)
• 5/8×24 threads
• E2 chamber dual extraction technology

• 5-Position adjustable short stroke piston system
• Nitride Heat Treated gas block

• 14.5″ M-LOK compatible Edge rail
• (4) integrated QD (quick disconnect) sling mounts
• Integrated top and bottom 5 slot picatinny rail section for secure front sight and bi-pod mounting

• Piston contour High-Phosphate Nickel coated bolt carrier group, designed for easy cleaning, superior lifespan and corrosion resistance
• POF-USA patented Roller Cam Pin upgrade, reduces friction and pre-mature wear within the upper receiver

5.1lbs

• Oversized aluminum heat sink barrel nut designed to radiate heat away from the chamber/throat area
• Triple port muzzle brake