308 Standard Length Low 4 Rail Free Float Tube
Part Number 308-FF-4SL
308 Standard Length Low 4 Rail Free Float Tube
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The .308 cal. version of the 4-rail free float tube features a solid one-piece free float tube made from 6066-T6 aircraft aluminum. The picatinny style rails are integrally machined into the free float tube. Two rail heights are available, "Low" for the A3-style upper receiver and "High" for the original LR-308 upper receiver. Each rail height is available in two lengths, standard and carbine. The free float tubes are vented and hard coat anodized per mil spec and are matte black in color. Overall width dimension is 2.1" only slightly wider than the AR free float tubes, and include a manganese phosphated steel locking collar to control the timing of the rails.

This item is designed to fit all DPMS standard length 308 models with an A3 style upper receiver. Some threads will be exposed if used on a base model 308C. If you add this to a carbine gas system or a mid length gas system it will need to be modified to be able to set the set screws in the gas block

Weight: 1.45lbs