945-1 Question

Depending on the caliber of the semi-auto you should replace the recoil spring every 2000-3000 rounds. Heavy recoiling rounds, like 10mm, should be replaced around 1000-1500 rounds. IMHO
 
I’m sure most here already knew this, (I didn’t,) but the 945 frames are wider than the Colt GM, CC and OM. Not a lot and I didn’t write down the numbers.

Jim
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I found out the hard way; I bought a particular holster for mine assuming that it would work, but the pistol is just a bit too wide. I ended up ordering a custom holster for it and will have to wait until it arrives. Depending on my skill and energy, I might put a string in the gun leather sub forum.
 
Here are the results of the ambidextrous safety install. After carefully fitting the part, it functions perfectly and the finish matches almost exactly. The thicker frame made almost no difference in the fit and function of the parts (.007). The grip panel was grooved for this option and allows proper throw. So a successful endeavor and completely reversible.
 

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Good job looks great. I’m glad it worked out so well for you. Thanks for the update.

It’s amazing that all the grip screw slots indexed the same. :D Something I can attest to is that 1911 SHORT grip screws work perfect on the 945’s. Probably just me but the factory large head slotted ones detract from the overall quality.

Jim
 

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The all black pistol has such a completely different vibe! That’s cool. I do like the Allen screws on yours.
I did find when I dug into it, the Briley bushing was completely loose and had backed out. So using the amazing tutorial by BMCM, I obtained the locktite 680 and corrected that issue.

While playing with it, I got a Wilson 10SEN22 recoil spring. Using reference marks made on the slide and frame without a spring, I checked the marks with the factory spring. With the factory spring in place, there was just the slightest indication of spring bind.
I cut one full coil and then the next off the Wilson until I had to remove almost 3 full coils to duplicate where the factory spring stopped. This made the Wilson spring considerably shorter than the stock unit.
It is a much stiffer spring with thicker flat wire. Racking the slide feels the about same. I will have to see how it performs. I don’t have any type of measuring devices for spring tension of this type.
 
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