Monk Customs M4 Outer Barrel 'HELIX'

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This is Monk's latest addition to the world of M4 Outer Barrels. The unique and stylish twisted helix design stands out beautifully, especially when used in combination with a Monk -style skeletonized hand guard! The clever O-ring addition makes sure the inner barrel is always positioned in the center of the Helix Outer Barrel and sits tight! These outer barrels are 6 inches in length. * These will fit the Article one with the Red Engines, not with the all Black Show more