NcStar Aluminum AR / M4 Buffer Tube i4 5” inch wide adjustable nylon

5” inch wide adjustable nylon webbing and elastic bungee construction

red steel tooth upgraded piston

Mounts onto the AR-15 flast-top receiever

Technical functions: ECU (Electronic Control Unit)

35mm Cantilever Weaver Style Mount for mounting onto most Weaver Style/Picatinny rails (RIS) - fits all airsoft rails

NcStar Aluminum AR / M4 Buffer Tube i4 5” inch wide adjustable nylonThe NcStar Aluminum M4 style AR Buffer Tube is NcStar's newest buffer tube system which can be used on real AR platforms or airsoft guns that accept AR M4 buffer tubes (GBBs, ERGs, AEGs etc.). Be sure to check your gun before ordering for which style it is. Milspec and Commercial are slightly different. Commercial Spec 6 position AR buffer tube and castle nut. Designed to fit Commercial Spec MilSpec collapsible buttstocks. Made of precision machined