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Matrix Springs

1710 Views 0 Replies 1 Participant Last post by  wheatthin
I'm looking to upgrade my spring to shoot around 450 fps. I've been looking at matrix springs and they seem to have pretty good reviews. Have any of you had any experience with these springs? I'm looking specifically at the 260% / M130. I figured after breaking in, the spring would settle at a little over 450 fps.
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