KINGJASON0707 Posted January 31, 2017 Share Posted January 31, 2017 Hi all, I have a VSR11 and have just fitted a few upgrades AA tight bore, AA M150, AA spring guide, AA piston, 9 Ball bucking, ASPUK barrel spacers, ASPUK hop arm, ASPUK cylinder head But the bolt pull is VERY stiff, seems very smooth (no snagging) just bloody stiff. Was expecting it with the M150 but not this bad. Any ideas for a lighter pull? Cheers Link to comment Share on other sites More sharing options...
ikarma70 Posted February 1, 2017 Share Posted February 1, 2017 The stiffness is likely down to the 45deg. Piston and trigger set up. My old tm vsr had this issue as I didn't upgrade to the 90deg. Set up. My cyma m40a3 has the 90deg. As standard and it's so easy to slide the bolt back. Link to comment Share on other sites More sharing options...
Supporters Samurai Posted February 1, 2017 Supporters Share Posted February 1, 2017 If the pull is stiff, then it's not the 45 degree. If it's pushing the bolt back stiff, that is because of it. Check the cylinder in- an outside for scratches. If there aren't any, and the cylinder moves freely without the spring guide stopper in, then it's just the spring stronger than you. Link to comment Share on other sites More sharing options...
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