PRE-OWNED CMMG MK-4 RIFLE WITH STAINLESS STEEL BARREL , 1:9 TWIST. CALAPSABLE STOCK , MAGPUL SHOULDER SLING WITH SWIVELS , FOLDABLE STEEL SIGHTS. RIFLE IN GOOD COSMETIC AND 100% FUNCTIONAL CONDITION. COMES WITH ONE N=MAGAZINE AND OWNERS MANUALS FROM CMMG.