Stevo4345 Posted July 27, 2019 Share Posted July 27, 2019 Just finished another round of fettling, chrono’d the SA-E04 with its original spring (310 FPS), M100 (308 FPS) and M110 (380 FPS), both courtesy of @ak2m4 Dremelled 2 coils off the 110, then another half a coil and ended up with 338 to 340 FPS. Flattened and finished the cut end and will let it bed in for a few thousand BB’s. Will keep the 310 springs and use them to push some heavier .28 or .3’s and see what happens. All ready for tomorrow, might be a bit muddy after today’s rain, better than the heat though that’s for sure. Link to comment Share on other sites More sharing options...
ak2m4 Posted July 27, 2019 Share Posted July 27, 2019 Enjoy yourself tomorrow 🙂 Link to comment Share on other sites More sharing options...
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