Import, 5.56 NATO caliber, SLR-106C - Stamped receiver, 5.56 NATO caliber, PR-01 quad rail, front sight block / gas block combination, chrome lined hammer forged barrel, black polymer furniture, 500m rear sight, cleaning rod, 5-rd magazine, stainless steel heat shield, 2 stage trigger, aluminum fake muzzle attachment, and left-side folding polymer - Warsaw Pact Length Buttstock.
The SLR-106C accepts any Bulgarian mil-spec double stack 5.56 x 45 mm caliber magazine (available through K-Var.com: M-74N, M-74NC and M-74NC20 )