lucky_1 Posted July 18, 2010 Share Posted July 18, 2010 Wow, never thought I'd be spending a Saturday night with you guys! My addiction/priorities are clear now. Anyone have experience with original spring on M4 feeding with +2 round extension? Do I need a different spring for this? Thanks. Quote Link to comment Share on other sites More sharing options...
jamiej1966 Posted July 18, 2010 Share Posted July 18, 2010 I have a two round extention on my M4 and use the stock spring. I have experienced no issues with it. Quote Link to comment Share on other sites More sharing options...
lucky_1 Posted July 18, 2010 Author Share Posted July 18, 2010 Thanks jamiej_appreciate your response. Quote Link to comment Share on other sites More sharing options...
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