CNC machined and made from heat-treated stainless steel, this piston has multiple cleaning grooves and an increased shaft diameter to reduce flexing. The improved piston cup creates a better gas seal and improved reliability. Requires fitting by a qualified gunsmith.
Material: Stainless Steel
Features: CNC machined
Gunsmithing Required: Yes
Notes: Piston has more cleaning grooves, increased radius of the shaft diameter for reduced flexing, and improved piston cup for a better gas seal and improved reliability.
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