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Posted: 1/20/2013 6:42:29 PM EDT
I have few Vietnam-era 20-round mags that feed Ok but sometimes fail to lock the bolt back. I'm pretty sure the springs are weak. I also have a bunch of brand new springs for GI 30-rounders. Can I trim these springs and use them in 20-rounders? If yes, how many coils need to be cut off? I realize that I can count the coils in both and calculate the difference or have my 6-year old do it, but is it that straithforward?
Link Posted: 1/21/2013 9:20:14 AM EDT
Order new from Brownells when back in stock.
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