caliber: 7.62 x 39 mm - total length: 970mm (38.2) - folded length: 720mm (28.4) - barrel length: 415 mm (16.25) - twist rate: 1 in 240 mm (9.45) - weight w/o magazine: 3.85kg (8.5 lbs.) - muzzle velocity: 710 m/s - effective range: 400 m - maximum range: 1350 m - rear sight range: 800 m (875 yds) - rate of Fire: 40 rds/min (practical) - 100% new-production parts and components. - Bulgarian hot-die hammer forged receiver bolt bolt carrier and double-hook trigger - Cold hammer-forged 16.3 barrel from Arsenal’s Bulgarian factory built on Steyr manufacturing technology - Hard-chrome plated bore and chamber - Removable one-piece design muzzle brake with 24x1.5mm right hand threads. - Right-side folding tubular stock - Ambidextrous safety lever - Side-rail - Quad-rail - 922(r) compliant with US made or imported magazines. - Substantially extended service life over other types of assemblies.