Up for sale is a brand new piston w/ring & buffer for the Ramset Cobra Plus (3rd. generation tool) Ramset part number for the piston is 585320 & the buffer is 501239. 

This piston will only fit the Ramset Cobra PLUS, with power adjustment. There are two other style cobra pluses. This IS meant for the cobra plus that has a plastic housing and Silencer. ( Newest Style ) It is NOTmeant for the cobra plus with the front and rear barrel that connects together with a shear clip ( Oldest Style ) It is also NOT meant for the Cobra Plus that has a metal housing with a buffer and a fastener guide that screws into the barrel. Please refer to your tool manual to verify part 585320. 

Please see my other auctions for the pistons for the other Ramset Cobra Plus tools.