Slide to frame impact, the physics.
So, how hard does the slide hit the frame? It seems to the one of the big concerns. Let’s do a little math. Assuming a 230 grain bullet at 830…
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So, how hard does the slide hit the frame? It seems to the one of the big concerns. Let’s do a little math. Assuming a 230 grain bullet at 830…
A few years ago, I calculated the slide-to-frame impact based on a 5-inch pistol firing 230 grains at 830 fps. Without factoring in any resistance from the “recoil” spring, mainspring,…
Extractors: Innie vs Outie The question of internal vs External extractors comes up from time to time, and it mainly centers around which is best or more reliable. Since all…
1911 School: Commander and Government Model differences. We’re specifically discussing Colt’s pistols here since Colt pioneered the Commander. Clones and variants may or may not be true Commander spec. Along…
Almost as soon as Colt introduced the Series 80 pistols, they began to be denigrated by the purists, and all the pre-Series 80s…whether they were built in 1912 or 1982…were…
There seems to be a misunderstanding of the similarities and the differences between these two basic designs. so I thought I might be able to clear up some of it.…
The next critical dimension is the cartridge OAL itself. Too short or too long and you’ll have problems. The issues that so many people ascribed to the 1911’s failure to…
The 1911 style pistol with internal extractor, as originally designed. The extractor’s role in feeding is often misunderstood and underestimated. Most important is the deflection. That is, the amount of…
In order to effect a better understanding of the dimensions and conditions critical to reliable feeding in the 1911 pistol, I thought this might be a good idea to go…
In the spring of 1991, when I lived in Rural Hall, NC I got a call from my stepfather. His aunt had died at the ripe, old age of 96,…