CMOS Posted August 24, 2010 Share Posted August 24, 2010 I'm looking to loosen the recoil spring tube nut on my M4. It's No. 50 on the schematic here: http://www.brownells.com/.aspx/pid=0/sid=916/schematicsdetail/M4 Can anyone tell me what the size of the nut is? I don't have the right size wrench and don't want to mess it up. I also don't want to bring my shotgun into Sears so I can try out different wrenches. I ask because I need to rotate my recoil spring tube. From the factory, it's rotated a little bit from the true center, which puts the C-stock off at an angle. Thanks. Quote Link to comment Share on other sites More sharing options...
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