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-   -   PX4 .45 D-spring need opinion. (http://www.firearmstalk.com/forums/f33/px4-45-d-spring-need-opinion-3725/)

Tom the roofer 03-15-2008 03:55 PM

PX4 .45 D-spring need opinion.
 
I bought a couple of D-springs for use in a model 92D. I have read this spring has less tension and can be used in the PX4. The PX4 spring and the new D spring were the exact same size and when I squeezed the springs the D spring seems to have less tension. So I swapped out the spring. Its an easy change over.

So, I stick a snap cap in and start clicking :D I felt that there was very little change. hhhmmm. I took the other new D spring and cut 2 coils off. Cleaned it up with a grinding wheel and buffer to make the surface flat and swapped out the spring with the new modified D spring.

Started clicking again. Now I really felt a differance. A big differance.

I then shot 50 rounds of Blazer 230 grain FMJ without a glitch. I fully expect to fire a few hundred rounds of FMJ and maybe 50 to a hundred of my personal protection ammo before I fully trust this weapon but what do you pro's think? I just a rookie and read stuff. :D

Anyway, so far so good.

Tom the roofer 03-20-2008 12:45 AM

OH come on now :D

shipwreck 03-25-2008 09:49 PM

Not bad - I'd put 1000 rounds thru it before i'd rely on it for self defense, however - U might get a misfire as the spring wears.

Some people were doing a group buy for lighter HK USPc hammer springs. I got in on it and bought one for $6 delivered. But, I still haven't put it in my gun yet - I wanna give it a few months of reports from the others. And so far, 1 person is reporting light primer strikes - so I am hesitant to mess with it.

If its just a range toy - then no harm, no foul...

Tom the roofer 03-26-2008 02:21 AM

I Think I'm going to put an unmodified D-spring in. I put another 70 rounds thru it the other day. No misfires. It's just workin' on my head :)

shipwreck 03-26-2008 11:19 AM

To me - it feels like my PX4 40 cal already had a D spring in it. It is much smoother than an unmodified 92FS


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