Spring
Gun not feeding consistently
*Designed to work with TTI Follower.
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Gun not feeding consistently
These springs with second gen STI mag tubes, SV ultra thin followers and 4mm base pads have worked flawlessly in my 140mm mags. Springs stay strong and easy on-off
So I actually picked up another round with these springs. I do find it a little odd that it's only 13 coils and the m&p +5+6 spring is also 13 coil. The springs seem to have pretty good tension is about all I can say for now. I have had the time to actually test them but I did go from 28 to 29 rounds in a 170 configuration