SR-15 E3 Gas Tube, Mid-Length
Replacement intermediate length gas tube assembly for the SR-15 IWS Series of rifles. It is slightly longer than mid length and slightly shorter than rifle length, and is compatible with SR-15 gas systems only.
Tubes Fit the following Knight's Armament Rifle Models:
SR-15 E3 IWS Carbine SBR (14.5" Barrel)
SR-15 E3 IWS Carbine Mod 0
SR-15 E3 IWS Carbine Mod 1