The authentic US made components, such as the anti-slap double stage trigger group, mil-spec polymer stock set, Warsaw length polymer buttstock to perfectly complete this rifle for unparalleled quality and accuracy. SUMMARY SLR-107R - 7.62x39 caliber, stamped receiver, chrome lined hammer forged 16.25 barrel, 14x1mm left-hand muzzle threads, removable muzzle nut, bayonet lug, black polymer furniture, Warsaw Pact length buttstock with compartment for cleaning kit, stainless steel heat shield, 2-stage trigger group, 800m rear sight, and side rail for attaching optics. Comes with one 5-round magazine, One 30-round magazine, sling, oil bottle, and cleaning kit. ..........Weight 7 lbs SKU SLR107-11 Manufacturer Arsenal Inc. Caliber: 7.62 x 39 mm Total length: 36.88 in (937 mm) Barrel length: 16.33 in. (415 mm) Rifling: 4 grooves Twist rate: 1:9.44 (1 in 240 mm) Weight w/o magazine