Quote:
Originally Posted by dirtdiver
Hey guys I just changed my stock for a magpul UBR stock which came with it's own buffer tube... After installing I racked the bolt and the return was very slow so I fired a few times and noticed it was cycling slower and lost some of it's "snappiness"
So I'm wondering if maybe I need to put an extra spacer or something in the bottom of the buffer tube to increase the tension of the buffer spring to get a faster return.
What do you guys think? Any suggestions?
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I would measure to see if there the same length first you might also try pulling the spring apart abit but if you pull to much will raise ur fps alot!