davehorn Posted February 27, 2012 Share Posted February 27, 2012 I just ordered a JP Lo mass bolt carrier and buffer, already have the adj gas block. Will I realize the effects of the LMOS with a standard buffer spring, or do I need a different spring? Link to comment Share on other sites More sharing options...
Robbie Posted February 27, 2012 Share Posted February 27, 2012 I just ordered a JP Lo mass bolt carrier and buffer, already have the adj gas block. Will I realize the effects of the LMOS with a standard buffer spring, or do I need a different spring? I use the JP Polished buffer spring along with the same set up you have, and have had no problems. Link to comment Share on other sites More sharing options...
JGC Posted February 27, 2012 Share Posted February 27, 2012 I agree with Robbie. While you're using all of the other components of the JP low mass system, you might as well throw their spring in there too. Link to comment Share on other sites More sharing options...
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