Diana460-PG4 DELRIN Glide HOV Tune Kit

PG4 DELRIN GLIDE Tune Kit
For Diana460 sliding cylinder air rifle

High-Output full power up to 23+ft/lbs in .22 caliber
(PG4s) ProGuide4-DELRIN drop-in Kit
High Yield valve wire open-end power spring
Quad 3X guide with Helical Internal Seat
Lubrication 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.