PTS ERG Buffer Tube (used)

Used condition Gen. 1 buffer tube assembly for PTS RM4 ERG's. Compatible with all generations of KWA RM4 as well as VM4 / Ronin / QRF / TK.45 series if converting your gun to recoil. Milspec diameter tube. 

Note: For front-wired only guns. Tube only, does not contain the recoil piston.