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I use a 20 lb spring in my Commander and it functions perfectly. I would expect the reason Les Baer is using the 24 lb variable is the tight slide to frame fit they build into the guns, and a variable is to allow the start of the slide action with a lighter sprng force with the stronger force when the spring is compressed. If your pistol is functioning properly with a 22 lb spring I would not worry about it.

Using a Shock-buf reduces the slide travel by the compressed thickness of the buff, usually a little less than 1/8 inch. This may or may not be an issue in the Baer pistol depending on if the pistol uses a bushing, or has a bushingless barrel. The concern is will the slide have enough travel to reliably eject and empthy and pickup the next JHP round in the magazine,this can be a big issue in a slide that uses a reverse plug with a bushingless barrel.

Another thing is the slide stop notch length. If you look at a Kimber slide stop notch it is about twice as long as the original design. In a Kimber, if you use a buff retracting the slide will not depress the slide stop allowing the slide to go forward. In a Kimber, if you use a buff you must depress the slide stop to close the slide. I do not believe Baer does this but it is worth a look.

I hope this helps.
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