Has anyhone used the Wolff Springs Service Paks for a 3914 LS ? As for now , I just wanted to replace the recoil and mag spring. Now I know Wolffs mag springs are +5% but the one that came with the kit has a strange "hook" on one end that is not on the stock mag spring. Has anyone seen this before? Or is it a mixup on Wolffs end. Secondly , the recoil spring in the new service pak is "quite a bit" stronger and longer... to the point that i can"t get it in even with two good hands on it. Makes me wonder about the rest of the springs in the pak. The PAK is labeled stock # 69332 for the 3914,3914LS and 3914NL. However on Wolffs site they list a different stock number 693 22 for the 3913,3913LS and 3914NL. Just thought I would check here before I contact Wolff next week.

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I'm betting that the 69332 is a misprint and it should be the 69322. There shouldn't be two listings for those guns, and if you look at the type 1 kit they show the same number in both listings.

Actually looks like they have a 69322 for 3913, 3913LS and 3913NL, 3953, 9mm and a 69332 for 3914, 3914LS and 3914NL, 9mm. The Service pack without the mag spring is the same for both so I think the different numbers for Service Pack II for the LS is because of the 7 round magazine as opposed to the 8 round for the 3913.
Springs for SMITH & WESSON NUMBERED SERIES Semi-Auto Pistols

When I re-did the springs on my 3913 I used the 69311 Service Pack, which is the same as the 69322 Service Pack but without the magazine spring.

When I replaced my springs I had a brand new green colored S&W recoil spring from Brownells and the Wolff recoil spring did feel a little stiffer than the S&W but not enough to cause any problems. I tried them both and left the Wolff one in, since I was replacing everything else with Wolff springs.

Dave