Monk Customs Helix Outer Barrel – Gloss Black

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!