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45 colt was my first venture into hand loading and have since tried almost everything that would burn as an accelerant, primarily due to low funds. At the time I was impressed by the tinkering's of Elmer Kieth & John Linebaugh in 45 colt, which at one time I was earnestly interested in replicating some of their work however lacking a chronograph at the time, and stumbling into the prohibitively (for me) high cost of jacketed bullets, lead me down the path of cast bullets. Add to the mix the lack of gas check, thus stopping me just prior to melt down I never moved over 875 fps (+/-). (As tested many years later.)The melt down and therefore speed fluctuated between different powder burn rates.
Here is a very short excerpt from some writing by John Linebaugh:
"I know for a fact this load will go through elk like cheese at long range. I don't mean to be beating a dead horse but velocity does not buy us power. Instead it buys us trajectory and range. At handgun ranges I'm not sure we need an abundance of either. I load to 1,200 fps for a good all around speed in my sixguns. If I need more power I got to a bugger slug or bigger caliber. A couple years ago I was testing some new +P .45 Colt ammo for accuracy, velocity, penetration and expansion in wet paper. The bullet was a custom made 275 gr JSP design.
Notes in my loading notebook here state that the wet paper was supported or backed up by a pine log. The Ruger with it's 1,170 fps drove the 275 gr slug through 22" of wet paper and 1" of pine. The S&W 4" with 130 fps less velocity penetrated through 22" of wet paper and 1/2" of pine. For all practical purposes the same. The 260 Keith didn't penetrate quite as deep but cut a larger hole with the full caliber front band. When we tested the first .475 and .500 Maximums we gained on the average 150 fps over the standard .475 and .500 Linebaugh rounds."
Although I never ventured into the same level of 45 Colt creativity as Mr. Keith or Mr. Linebaugh, Nonetheless I was, and am, still impressed as to what a .452 dia. 3/4 ounce chunk of lead can do in a mans hand. My 25-5 is every bit as concealable as my 1911 albeit I do not carry it in town any more.
Here is a very short excerpt from some writing by John Linebaugh:
"I know for a fact this load will go through elk like cheese at long range. I don't mean to be beating a dead horse but velocity does not buy us power. Instead it buys us trajectory and range. At handgun ranges I'm not sure we need an abundance of either. I load to 1,200 fps for a good all around speed in my sixguns. If I need more power I got to a bugger slug or bigger caliber. A couple years ago I was testing some new +P .45 Colt ammo for accuracy, velocity, penetration and expansion in wet paper. The bullet was a custom made 275 gr JSP design.
Notes in my loading notebook here state that the wet paper was supported or backed up by a pine log. The Ruger with it's 1,170 fps drove the 275 gr slug through 22" of wet paper and 1" of pine. The S&W 4" with 130 fps less velocity penetrated through 22" of wet paper and 1/2" of pine. For all practical purposes the same. The 260 Keith didn't penetrate quite as deep but cut a larger hole with the full caliber front band. When we tested the first .475 and .500 Maximums we gained on the average 150 fps over the standard .475 and .500 Linebaugh rounds."
Although I never ventured into the same level of 45 Colt creativity as Mr. Keith or Mr. Linebaugh, Nonetheless I was, and am, still impressed as to what a .452 dia. 3/4 ounce chunk of lead can do in a mans hand. My 25-5 is every bit as concealable as my 1911 albeit I do not carry it in town any more.