Steve RA Posted August 6, 2013 Share Posted August 6, 2013 Just bought a 9mm 1911 and wonder what spring weight anyone would suggest for reloads approximating factory loads. Not 9 Major. The stock spring seems pretty stout for a 9mm and I have no idea what poundage it may be. I use Wolfe variable rate in .45 and would just as soon stick with those but need a starting poundage. Link to comment Share on other sites More sharing options...
IceDevil Posted August 6, 2013 Share Posted August 6, 2013 10-12 lbs. I use a 12 lb Wolf with my 132pf reloads and it works well. Link to comment Share on other sites More sharing options...
BrianATL Posted August 6, 2013 Share Posted August 6, 2013 8# Link to comment Share on other sites More sharing options...
blu46and2 Posted August 6, 2013 Share Posted August 6, 2013 I think I have a 9# in mine... Link to comment Share on other sites More sharing options...
lksyotas Posted August 6, 2013 Share Posted August 6, 2013 I've settled on using a 9lb recoil spring in my Trojan 9mm. 17lb main spring. Seems to work best with my competition load. 3.3 g Titegroup, 147 MG CMJ. Keeps slide moving fast enough where it doesn't seem sluggish while preventing the nose from diving upon re chambering. Link to comment Share on other sites More sharing options...
Mike21STI Posted August 6, 2013 Share Posted August 6, 2013 For a 9, I run a 9lb spring, with factory ammo, 115 or 124's whichever I can get my hands on. Link to comment Share on other sites More sharing options...
Bob DuBois Posted August 6, 2013 Share Posted August 6, 2013 (edited) 9mm Trojan, tried them all ended up with 15lb main and 10lb recoil. Had a few feeding issues using 9lb recoil spring. Wilson magazines with two coils removed as the stock magazine springs were slowing the slide. Tried Metal Form and Dawson magazines but prefer the Wilsons. Pistol is fitted with an Aftec extractor and tuned 38/40 ejector. Most will think 15lb main is a little weak but haven't had any issues with Winchester primers since install and that was three years ago. Usually shoot heavier bullets using Solo 1000 or VVn320 cast and plated Frontier and Berry. I would suggest purchasing a 9, 10 and a 12lb recoil spring and do some testing. The 1911 store gives you a break if you buy three or more. Might purchase a 15 and 17lb mainspring, depends on the primers you use. Try and buy the same brand springs a 10lb in one brand may not measure the same as another brand just makes it a little easier. Bullet weight, powder and grip come into play also so you'll need to do some testing with the above springs. Edited August 6, 2013 by Bob DuBois Link to comment Share on other sites More sharing options...
amish_rabbi Posted August 6, 2013 Share Posted August 6, 2013 8lb recoil spring in my spartan with 147gr minor loads. I had a 7lb in it before that also worked fine i just couldnt find another one when i had to replace it so 8 worked fine. Link to comment Share on other sites More sharing options...
Rob Tompkins Posted August 6, 2013 Share Posted August 6, 2013 I run a 12# recoil spring to ensure reliable feeding. The gun feels better with a 10# or 11# spring but I'll get a round every 100 or so where the slide won't fully close - this may be a COL issue. Link to comment Share on other sites More sharing options...
madmike283 Posted August 7, 2013 Share Posted August 7, 2013 I just got my Trojan all tuned up and it's liking a 9# spring as well. 15# hammer spring for me as well. Only a couple of problems so far with CCIs, but all three were a little high. Link to comment Share on other sites More sharing options...
pbosik Posted August 7, 2013 Share Posted August 7, 2013 9# For My trojan Link to comment Share on other sites More sharing options...
L3324temp Posted August 7, 2013 Share Posted August 7, 2013 I'm running the following in my STI Trojan 9mm Wolff 9lbs Recoil SpringWolff 15lbs Mainspring Link to comment Share on other sites More sharing options...
Winder Posted August 7, 2013 Share Posted August 7, 2013 Had to go down to 8 to make AA 115's run reliably in a Trojan. Link to comment Share on other sites More sharing options...
chevyoneton Posted August 8, 2013 Share Posted August 8, 2013 I think I have an 11# Wolff in mine currently. I started with a 9X23/.39 Super gun (Colt) and dropped in a 9mm barrel. Not knowing where I would end up spring wise I bought a Wolff reduced power spring kit that came with 5 springs. I want to say they were 9# to 13# and I picked the middle to start with and have not changed it yet. I used factory FMJ ammo to "tune" my feed ramp (took a little dremaling & polishing to get it to feed 100%) but will shoot LRN reloads for practice and match from use now on. I have yet to develop my load and am glad I sprung (pun intended) for the set so I can tune the recoil spring to the load I end up with. I am currently running a .45 in SS and am looking forward to the 9mm (and two more rounds). I started in Production and admit to liking the extra rounds. I shoot Revolver too if I just want to really hamper myself with fewer rounds! And no, I will NOT be buying an 8-shot revolver. Link to comment Share on other sites More sharing options...
Jaxshooter Posted August 8, 2013 Share Posted August 8, 2013 9 lbs in mine Link to comment Share on other sites More sharing options...
Kingman Posted August 9, 2013 Share Posted August 9, 2013 9 is what mine prefers Link to comment Share on other sites More sharing options...
jaep1911 Posted August 13, 2013 Share Posted August 13, 2013 I run a 12# variable recoil spring and 17# main spring in my 9mm gun for 130PF. It seems ok. I have tried a 10# recoil spring and had some feeding issue (when the mag springs were newer). Anyone else uses a variable recoil spring in a SS 1911? Link to comment Share on other sites More sharing options...
steel1212 Posted August 13, 2013 Share Posted August 13, 2013 9 with a 17 pound main Link to comment Share on other sites More sharing options...
blind bat Posted August 13, 2013 Share Posted August 13, 2013 Basically +1 to everything Bob said. In my Trojan run a 10lb Wolf recoil spring and a 17lb (don't remember if ISMI or Wolf) main w/ an Aftec extractor. I also trim 1 coil from the Wilson ETM mags. Note: The ISMI springs are actually ~2lbs less than than what they claim to be - "10lb" recoil will measure 8-9lb. Link to comment Share on other sites More sharing options...
RangerTrace Posted August 13, 2013 Share Posted August 13, 2013 I ran a 10 for quite a while which was nice with AAA 147 grain minor loads. But since it's a duty gun and I run more factory ammo than match ammo, I switched to a 12 and I really like the way it shoots. It seemed like I was waiting on the slide (4.5" Sight tracker) with the 10 pound spring. The 12 seems much faster..... Link to comment Share on other sites More sharing options...
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