GREEN MOUNTAIN GM-M6 FLUTED 16″ 5.56MM NATO M4 A/R BARREL w/ EXTENSION
Green Mountain GM-M6 Fluted 16″ 5.56mm NATO M4 A/R Barrel w/ extension
5.56 NATO Green Mountain 16″ FLUTED M4 type AR Barrel, 4150 vanadium alloy milspec steel, Phosphated finish, Chromed bore and chamber for optimum performance and durability, button rifled, thermo-stress relieved, air gaged, modern 1:7 twist, muzzle threaded 1/2 – 28 .750 gas block with drilled gas port, M4 extension with m4 feed ramps, weighs 1.75 lbs, and has a carbine length gas block. Barrel is not pinned for front site.
|Dimensions||19 × 2 × 2 in|
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