I tend to have too many personal projects and not enough time to get them done, but after a bunch of fits and starts, I finally managed to wrap up a new carry piece for myself. This is based on a now out of production Kimber Compact Aluminum Stainless; of course with Kimber and their "new model of the week" tendencies, this may be back under a new name. I can't keep up with the steady deluge of new 1911 makers and models. It has an 7075 alloy aluminum Officer's ACP-size frame with their stainless steel 4" slide. Almost the footprint of a Colt Officer's ACP, but just a touch longer up front. It's chambered in .45 ACP, of course and retains the original Kimber bull barrel to which I added a deep bevel muzzle crown. I replaced the stock music-wire recoil spring and factory FLGR with an EGW flat wire spring, FLGR and reverse plug. I machined a pocket in the frame bridge and inserted a steel feed ramp insert. The extractor was replaced with an EGW HD extractor and the firing pin stop with an EGW FPS, shaped with a 3/64th" radius and a 2.5 degree face to make hammer contact as low as possible. A Harrison Design slide stop finished off the top-side mechanicals.
To handle sighting needs, I modified the Kimber fixed sight cut and one of my HD-006-T1 rear sights to marry up. Lamps are from Trijicon with a white ring around the front. I left off all of the common embellishments and just did High Power cuts with ball cuts and a heavy lower bevel on the slide. Carry Bevels on all the edges and corners made it easy on the hands and clothes. Since 7075 alloy isn't readily weldable, I was left with making the best beavertail fit that I could with the existing frame radius. I found that a CMC beavertail fit this one the best, although if this were a high-volume gun, there are other choices that are more comfortable to my hand. I used Harrison Design ignition parts and short, smooth trigger for fire control combined with a thumb safety from Barry Grayson. This safety has a slightly lowered shelf, which I find pretty comfortable. I used one of John VanZyck's flat aluminum MSH that I scalloped and round-butted. Combined with scallops on the front strap, I get adequate purchase on my grip without having a surface prone to snagging on or shredding concealment garments. All of the parts were finished in matte black IonBond DLC.
I've been feeding it W-W 230 JHP Ranger ammo from Tripp CobraMags.
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