The SAM7R-77 is a Bulgarian made forged and milled receiver modern sporting rifle in a 7.62x39mm caliber. It has a chrome lined hammer forged barrel with an AK-74 type front sight block with 24×1.5 mm RH threaded AR-M1 4-Port flash hider. The furniture consists of reinforced Black polymer stock set with a stainless-steel heat shield inside the lower hand guard for more effective heat dissipation and a fixed intermediate length buttstock with a trap door for the cleaning kit. There is a bayonet lug and an accessory lug for bayonet and accessories attachment. This rifle includes the Bulgarian hot-die hammer forged receiver bolt bolt carrier FIME Group FM-922EUS Enhanced 2-stage Trigger and a scope rail for Optics attachment. Ships with (1) 30 rd. mil-spec Arsenal magazine no other accessories. – FIME Group FM-922EUS Enhanced 2-stage Trigger – Removeable 24×1.5mm right-hand muzzle threads – AR-M1 4-Port flash hider – AK-133S – AK-74 type FSB – Stainless steel heat shield – Hammer forged chrome lined barrel – Built on Steyr manufacturing technolog – Fixed Intermediate length buttstock – Scope rail for optics – Accepts SM-13 low profile quick release rail mount (available separately) – 800m rear sight – Trap door for cleaning kit – Bayonet lug and accessory lug – Bulgarian hot-die hammer forged receiver bolt and bolt carrier – Milled and Forged receiver extremely durable – Mil-spec double stack mag – Accepts all standard mil-spec mags – Not a parts kit rifle – Intermediate length US-made 10 trapdoor buttstock. (Total length of pull 13.4.) – Easy to clean and maintain – Mil. Surplus (Corrosive) ammo is ok due to chrome lining – 922(r) compliant – 100% new-production parts and components – Limited Manufacturer’s 1 year Warranty from date of retail purchase – Caliber: 7.62 x 39 mm – UPC: 810054133766 – Total length: 927 mm (36.5) – Barrel length: 415 mm (16 1/4 in.) – Rifling: 4 grooves – Twist rate: 1 in 240 mm (9.44 in.) – Weight w/o magazine: 3.67 kg (8 lbs.) – Muzzle velocity: 710 m/s (2329 fps) – Effective range: 400 m (437 yds) – Maximum range: 1350 m (1480 yds) – Rate of fire: 40 rds./min (practical) – Rear sight range: 800 m (875 yds)