CMMG ENDEAVOR 300 Mk4 Description
5.56 NATO, .22 Nosler, .224 Valkyrie, 6mm ARC (new 2020), or 6.5 Grendel (new 2020) cal., GIO, 24 in. stainless steel fluted barrel w/target crown (.22 Nosler) or standard barrel w/SBN finish, CMMG SV muzzle brake (.224 Valkyrie), 10 shot mag., Geissele SSA two-stage trigger, integrated trigger guard, Magpul PRS stock, CMMG RML15 M-LOK free float handguard, ambi safety selector, forged aluminum Mk4 style receivers w/"ENDEAVOR" engraved on lower, CMMG oversized ambi charging handle, Cerakote finish, 8 lbs. 10 oz.-9 lbs. 2 oz. Mfg. 2019-2021.