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Final touches on my m4

1178 Views 2 Replies 2 Participants Last post by  0326reconman
I bought an SHS spring. I'd advise against it. horrible spring... The M140 was only a little stronger than my stock m120.

I need a bucking, and am not sure which. I'm getting a Prommy M150 and I was wondering what would be a good bucking to go with it.
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I've got a Guarder sp spring. Haven't had any problems out of it, still strong after it settled and has a few thousand rounds through it. I'll probably stay with Guarder until something happens.
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