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  1. T

    anyone know how to de-gass a fx crown? + bottle

    I tried un-screwing it to a point, but it only de-gasses the gun. I've tried screwing it back in and backout but after 20 goes, i still have like 150bar.
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    Should i carry on tuning my gun? 34grain @ 915fps & 30grain @ 984fps

    Hi So i'm still waiting for my slug liner to arrive, and i've been tuning and messing around with my fx crown. I've got them firing JSB mk2 34grain at 915fps, and NSA 29.5grain slugs at 984fps, fx hybirds 26grain at 984 fps as well. I can't test the accuracy at the moment, as i'm waiting for...
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    Tips for improve accuracy at 150 yards?

    This is my results, i've tried a range of things now, different speed, and pellets but i can't really seem to get the groups tighter. So this latest results is .25 cal 34grain JSBs at 875fps. With light-med wind I'm using a FX crown mk1, with a 700mm barrel, and the stx liner. I'm waiting on...