kcobean Posted May 14, 2014 Share Posted May 14, 2014 I'm new to 2011s and am picking up my first one tonight. The current owner is the second owner and he's had the gun for 10-ish years. He doesn't know the exact round count, but just to be diligent, I want to replace at least the recoil spring. Can someone tell me what the appropriate spring weight is for a .40S&W running 165gr bullets making major PF? What other "maintenance items" should I take care of on this thing? Link to comment Share on other sites More sharing options...
Pullicarjr Posted May 14, 2014 Share Posted May 14, 2014 Recommended is usually 13 Pound. I run 12 and have no issues. Link to comment Share on other sites More sharing options...
blaster113 Posted May 14, 2014 Share Posted May 14, 2014 Depends if the slide is lightened. If yes then try a 12lb, if not then a 13lb will do. Link to comment Share on other sites More sharing options...
Paul-the new guy Posted May 14, 2014 Share Posted May 14, 2014 go with 12.5 Link to comment Share on other sites More sharing options...
kcobean Posted May 14, 2014 Author Share Posted May 14, 2014 Thanks fellas! Link to comment Share on other sites More sharing options...
NMinzghor Posted May 14, 2014 Share Posted May 14, 2014 I run a 10lb on a lightened 6" with a shock buff at 169PF Link to comment Share on other sites More sharing options...
bonglee0507 Posted May 15, 2014 Share Posted May 15, 2014 12.5 with shock buff Link to comment Share on other sites More sharing options...
sandrooney Posted May 15, 2014 Share Posted May 15, 2014 I use a shock buff and the lightest spring I can get it to run reliably with. Link to comment Share on other sites More sharing options...
mese341 Posted May 16, 2014 Share Posted May 16, 2014 go with 12.5 Link to comment Share on other sites More sharing options...
kcobean Posted May 22, 2014 Author Share Posted May 22, 2014 Do you have to shorten the spring if you use a shock buff? Link to comment Share on other sites More sharing options...
drewbeck Posted May 22, 2014 Share Posted May 22, 2014 Does it have the recoil master still? Not sure if it was ever in there due to age but if it does you may just want to try the light replacement spring, I've had good luck with it. If not, 12.5 or 12lb is the usual answer Link to comment Share on other sites More sharing options...
jimbullet Posted May 23, 2014 Share Posted May 23, 2014 I don't clip the spring even with the shok buff on it. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
kamikaze1a Posted May 24, 2014 Share Posted May 24, 2014 If the previous owner has had it for 10 years and unknown round count, I would order a main spring too (19 or 20#). If a light trigger, maybe even a sear. Link to comment Share on other sites More sharing options...
pjb45 Posted May 25, 2014 Share Posted May 25, 2014 I try and replace my hammer and sear at the same time. IMO, they should be fitted as a pair. A friend once suggested that the proper spring weight was determine by having the slide at slide lock then dropping the slide on an empty case. If the gun dipped too much your probably had too much spring. Otherwise as 12# is pretty typical for most shooters. I do not use a shock buff anymore. Link to comment Share on other sites More sharing options...
jimbullet Posted May 25, 2014 Share Posted May 25, 2014 This would only be half the action though. The dipping forward should just be enough to counter the upward pivot isn't it? I think the better approach I doing some rapid successive live fire and check that your hits on a target say 7 yards away are not making a vertical grouping then you have the correct spring weight. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
earthshine402 Posted May 25, 2014 Share Posted May 25, 2014 This would only be half the action though. The dipping forward should just be enough to counter the upward pivot isn't it? I think the better approach I doing some rapid successive live fire and check that your hits on a target say 7 yards away are not making a vertical grouping then you have the correct spring weight. Sent from my iPhone using Tapatalk I would think it also depends on how hard you grip the gun here.. Link to comment Share on other sites More sharing options...
Maxximuss Posted May 25, 2014 Share Posted May 25, 2014 12.5 lbs for major loads and 11 lbs for 3GN/ Steel minor loads. Link to comment Share on other sites More sharing options...
pskys2 Posted May 26, 2014 Share Posted May 26, 2014 Do a Bill Drill and if the front sight stays too high on shot to shot returns, you try a heavier spring. If it's too low, try a lighter spring. Link to comment Share on other sites More sharing options...
kcobean Posted May 27, 2014 Author Share Posted May 27, 2014 Thanks alot for all the great feedback guys. I'll try a 12.5 lb spring, and will be replacing a few other parts as well. Link to comment Share on other sites More sharing options...
twodownzero Posted May 27, 2014 Share Posted May 27, 2014 I use a 12.5 lb spring with my lightened slide .40 and a 14 lb spring with my .45 with a full weight slide Link to comment Share on other sites More sharing options...
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