The Unofficial P64 Resource Forum

I put in a new slide spring (recommended 22 lbs.) into my P 64. The slide is now almost impossible to pull back to chamber a round or to do anything else norma with the slide. What should I do?

Try using a pair of gloves to get a better grip.

I went to a stronger spring and felt no difference in felt recoil. The original spring will support the slide in recoil well enough.

I have found the 20lb spring to assisst with positive loading, help soften recoil and hopefully lessen frame battering and still have a slide I can rack without causing a hernia.

Some folks point out that in a self defense situation you won't have any trouble racking the slide or handling the recoil.
I do practice the SA shot, after the tough DA first shot, to negate the quick follow up .

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Does anyone know what the original tension of the P 64's slide spring is? Thank you!

bjzajac wrote:Does anyone know what the original tension of the P 64's slide spring is? Thank you!

18 lbs is the standard on the Original springs.

https://www.gunsprings.com/POLISH%20/cID1/mID49/dID196

bjzajac wrote:I put in a new slide spring (recommended 22 lbs.) into my P 64. The slide is now almost impossible to pull back to chamber a round or to do anything else norma with the slide. What should I do?

I'm gonna go with "anything else normal" as removing the slide for cleaning. If you look at the original spring from the gun you'll notice that the ends of the recoil spring are ground FLAT. If you didn't do that to your 22# replacement, besides the extra weight, the spring needs to be ground flat or removing the slide will ALWAYS be a major chore.

Also, the ends of the spring are NOT the same diameter. I'm guessing you know this but will repeat just in case: The smaller/tighter end of the spring goes on first with the larger end up front by the muzzle. If not, that can contribute to problems. Why did you put in a 22# spring anyway? Just curious.

18 pounds. Thank you very much!

As per a Youtube recommendation, I put in a 22-pound slide spring, which now appears to be too much tension. I will remove it and replace with the original 18 pound.

I replaced the original 18-pound slide spring, and the P-64 now operates much better. Thanks to all!

I just replaced the hammer spring with an 18# spring from Wolff. The double action pull is amazing, but the single action is a little light. I bought the 18, 19, and 20# hammer springs so I might try them all to see which is best. The recoil spring is another thing. Having read that the 22# spring would reduce felt recoil I bought one to try it; I cannot get the slide back on with it in place and I'm a fairly strong guy since I weight train, and have strong hands as well due to their daily use in my profession as a locksmith. I've stopped trying because I had this sudden epiphany that if I did manage to get it on, finally, it might never come off again. The question: should I just use the factory original (I'm leaning that way), or should I contact Wolff and request a 20# spring? What are some of the experiences people here have had regarding the recoil spring? Thanks in advance for your answers.

I use factory original and train!

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Did you grind the end of the recoil spring flat like the factory spring?

Curly1, I didn't grind the ends. It sure seems too tight regardless. I might opt for the 20# or keep the original, though I wouldn't lose much if I did grind the 22# spring down since it was only about $7.00. One thing I love about the P64 is its ease of disassembly. I don't want to lose that feature. Thank you for your input to my question.