Full rebuild= Dissasemble, clean, lube, new o-rings, new custom poppet, new fill check valve, chrony function test. $175.00 plus shipping. Good to go another 15-20 years! $175 plus shipping.
Power tune: full rebuild plus trigger job, and modify ports and springs for more power. The "LO" setting will be more powerful than "HI" from the factory!
Tunes results using 59 gr. Eun Jin pellets, chronograph 15 feet from the muzzle.
Factory FPS 928 926 916 903 887
Power Tuned FPS 950 992 1012 1019 1010 990 966
Fire 201 Power Tune price $275 plus shipping with insurance.