Signal20 Posted March 20, 2004 Share Posted March 20, 2004 Anyone know the part number for which magazine spring to use on a M1S90 (tactical) with the 4 shot extension? Mag capacity is 7 rounds (of 2.75") I have a mag spring (benelli p/n 60479 - brownells p/n 301-000-115) but this thing is huge, and not easily compressed. I think its the wrong one..... Thanks in advance Mike Quote Link to comment Share on other sites More sharing options...
M1014 Posted March 20, 2004 Share Posted March 20, 2004 maybe it ain't the wrong one,new ones are long and strung out,I remember the one that came with the extension kit and that was a pain to put in when new,time and usage broke it in well,do"t know nothing about the part#.----seeya M1014 Quote Link to comment Share on other sites More sharing options...
Signal20 Posted March 21, 2004 Author Share Posted March 21, 2004 Took your advice and installed it. Took 2 of us to get it in there for the first time. After a few minutes after being stalled i could tell it lightened some. 7 rounds loaded in there quite easily then. Not as hard as expected by looking at the size of the spring. Quote Link to comment Share on other sites More sharing options...
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