on the Daisy Powerline 1000 are not smoothed down. Instead they're just cut off, so you have the sharp ends of the spring digging into the tophat and spring guide. This causes some twisting of the gun as it's shot, which has to hurt accuracy; also it causes the spring to get bent and twisted more. I've taken apart two of these guns and have smoothed off the ends of the mainspring. However, I can't figure out how to get the piston and seal out since, so far as I can see, the cocking arm can't be removed from the receiver, so it prevents sliding the piston out. And then of course there's the horrible trigger, which I guess can be modified and improved. It's a pity that the spring, or one as good as it, isn't offered in other good but low-priced guns.
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