Monk Customs M4 Outer Barrel 'HELIX' AAP Guide Rods Available in a wide range

Available in a wide range of colours

giving each one a distinctive metallic hue — and a conscience

more controlled pulls✅ Designed for serious HPA performance

allow for tighter cornering and cycle extremely fast

and a wider software feature set for faster workflows and better control

Monk Customs M4 Outer Barrel 'HELIX' AAP Guide Rods Available in a wide rangeThis 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