GTA
Airguns by Make and Model => Artemis/SPA Airguns => Topic started by: grimeszee on March 18, 2016, 05:49:18 PM
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Today I had a chance to test out the WF600 .22 cal I just finished a total rebuild on. This included full teardown, debur the slots, smooth the piston behind the seal, polish the sear catch area, and I smoothed the piston chamber. I ground the spring ends flat and polished them using 800 grit wet sand paper. I added a polished penny to the top of the spring. I had to repair a broken spring guide and used the super Moly lube from ARH to lube the gun. I polished the trigger and sear contact and bent the spring slightly at the V groove to lighten the pull. Here are the best numbers it shot across the chrony.
CHP 14.3 Grain
Low - 530.7 FPS
High - 555.6 FPS
Avg -546 FPS
ES - 24.89 FPS
SD - 7.3 FPS
FPE - 9.5
These numbers are 100 FPS and 3 FPE over factory stock. The shot cycle is much better and the trigger is around 3.5-4 lbs now.
(http://i1036.photobucket.com/albums/a446/Grimeszee/WF600W%20refinishing%20%20project/20160302_230642-1_zpsjenzvwcs.jpg) (http://s1036.photobucket.com/user/Grimeszee/media/WF600W%20refinishing%20%20project/20160302_230642-1_zpsjenzvwcs.jpg.html)
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nice job! I like the way the stock came out. good numbers, as well ;D.
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That's lookin' good.
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I used a walnut stain on it to bring out the grain.
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Looks like they are ditching the Chu wood and using the stuff they get for other rifles. Much nicer wood.