6061 T6 alum.

Mil. Spec hard anodized.

Top of rail is well below iron sights.

Gas Tubes are cut to original inside diameter for the gas block flange- no force needed to fit.
ARM tubes are now cut for carry handle clearance and front retainers on both ARM and R4 length hand guards.

May require fitting on clones/ kit builds.

This purchase is for (1) Railed Gas tube of either ARM or SAR.