Archive | 1911Tuner

1911 School, Feeding Part 3 of 3.

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 feed hollowpoints came from the old Speer 200 grain JHP “Flying ashtray” in the 80s…but it wasn’t the size of the cavity that caused the […]

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1911 School, Feeding Part 2 of 3.

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 the wall behind the claw that protrudes beyond the guide block into the breech area…and this is where I’ve found problems in pistols produced in […]

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1911 School, Feeding Part 1 of 3

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 into more detail than the average magazine article. The first critical spec is feed and barrel ramp angles. The feed ramp is ideally 31-31.5 degrees […]

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Old 1911s and old springs

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, and her children had discovered one of his uncle’s pistols in her attic, wrapped in a diaper and stashed in a hat box. He said […]

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Evolution of the 1911 in Pictures

Evolution of the 1911 in Pictures The evolution of the 1911 started in 1898 with the pistol that became the Colt Model 1900. Chambered in .38 Auto, it was a locked breech, short recoil operated pistol that sported a twin linked barrel…one fore and one aft…and a non-tilting barrel. The Colt Model 1900 The next […]

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More on the 1911 magazine.

Since the subject of magazines comes up a lot… There is only one magazine design that presents the cartridge to the 1911’s chamber correctly and guarantees full controlled feed…as designed and intended. That would be the original or “GI” design that allows the rear of the cartridge to rise at close to the same angle […]

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