Header Graphic
Tune Kits > GSX-OS RWS-Diana 34,36,38,40,45,46, 300 kit-Updated
GSX-OS  RWS-Diana 34,36,38,40,45,46, 300 kit-Updated

The product you selected is currently unavailable.

Orig. Price: $89.00
Sale Price: $79.00
Prod. Code: 32-4-150

All New 5/6/19

Super Easy Installation Compared To OEM and Other Kits

Special  "old school"  12-13 ft lb. + or - kit for the above guns. ( .177 using CPL's-7.9 avg)

Very smooth and docile shooting while running near full factory OEM power. Easier installation. Brought back from the 80's. Special noise reducing front guide.

No outer sleeves to fail or over-hardened tightly wound harsh mainsprings like the competition.

Special spring wire cocks very smooth compared to other kits on the market.

A big improvement versus OEM.


Not for steel trigger very old Model 45's. Works great in .20 or .22 as well

Kit includes front and rear guides, rotation washer, spring, and tar sample.

New replacement spring!