Diana460-PG4 DELRIN Glide HOV Tune Kit

PG4 DELRIN GLIDE Tune KitFor Diana 460 sliding cylinder air rifleNEW power range Feb 12, 2025 High-Output full power up to 25+ft/lbs in .22 caliber(PG4s) ProGuide4-DELRIN drop-in KitHigh Yield valve wire open-end power springTriple-3X guide with Helical Internal SeatLubrication for damping of metal, plastic and seals (Highly Recommend Vortek Moly-filled ProSEAL28) optional Installation:For Consideration when tuning power:It is the owner's responsibility to ensure the legality of their air gun power output.Vortek’s Location of testing is 578 Feet Above Sea Level. (F.A.S.L)For every 1000ft above or below will be approximately .029 difference in velocity, thus foot-pound (Ft/lb., Joules) of shooting energy.1000 F.A.S.L. x .029 = 29fps approx.Joules= .7475=ft/lb.Works with all Diana Trigger Models.