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Vortek Products

Diana 48 PG4 STEEL TuneKit 12

Diana 48 PG4 STEEL TuneKit 12

Regular price $103.50 USD
Regular price Sale price $103.50 USD
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Piston seal
Breech seal

Tune Application: 12FT/LB

PG4 ''STEEL" Tune-Kit fitting Diana 48, 52, etc
(Sliding Compression tube) Air Rifle

Performance:  (12 ft/lb)
Power up to 12ft/lbs
825fps(.17cal)250 m/s CP7.9g
625fps (22 cal) 190m/s 14.3g (Lead pellet) 
Product Code: PG4D48740118-28Hth+Tc2 
Mfg date as of 21/11/12
(PG4s) ProGuide4-STEEL drop-in Kit High Yield valve wire open-end power spring Triple guides with Helical  Lubrication for damping of metal, plastic and seals  (Highly Recommend Vortek (ProSEAL 28) optional
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

Easy, do-it-yourself with virtually no pre-load force on assembly.
Works with all trigger arrangements 
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