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 24x1.5 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 24x1.5mm 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)