Posted: 8/31/2009 4:30:26 AM EDT
| What is the difference? Can these be interchanged in the same weapon? |
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If you can get .45LC to feed and chamber in a 1911 please post some pictures. If .38 special can be made to feed in a 1911 I'm sure with a little filing in the right spots .45 Colt can be made to feed reliably..    Wouldn't fit in the magwell...I don't think... |
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If you can get .45LC to feed and chamber in a 1911 please post some pictures. If .38 special can be made to feed in a 1911 I'm sure with a little filing in the right spots .45 Colt can be made to feed reliably.. Wouldn't fit in the magwell...I don't think... Looking at the two rounds side by side I don't think it'd fit even loaded with a full wadcutter... |
| The 45ACP was designed to be the balistic equivelent to the 45LC, but to work in the new automatic 1911 that was replacing the old revolvers. The 45LCs had actually been replaced by 38 special revolvers wich had then proven un-effective against some big islanders (I forget where) so the Army wanted a new cartridge as powerful as the 45LC again, but in an auto. |
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Quoted: Philippines. The first time we smacked around the Muslims there. From Wiki-The 45ACP was designed to be the balistic equivelent to the 45LC, but to work in the new automatic 1911 that was replacing the old revolvers. The 45LCs had actually been replaced by 38 special revolvers wich had then proven un-effective against some big islanders (I forget where) so the Army wanted a new cartridge as powerful as the 45LC again, but in an auto. The Moro Rebellion was an armed military conflict between Muslim Filipino revolutionary groups and the United States which took place in the Philippines between 1899 to 1913, following the Spanish-American War of 1898. The word "Moro" was a term for Muslims who lived in the southern Philippines, an area that includes Mindanao and its neighboring islands. |
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The 45ACP was designed to be the balistic equivelent to the 45LC, but to work in the new automatic 1911 that was replacing the old revolvers. The 45LCs had actually been replaced by 38 special revolvers wich had then proven un-effective against some big islanders (I forget where) so the Army wanted a new cartridge as powerful as the 45LC again, but in an auto. The Army's .45LC load was downloaded from the Colt commercial loadings the "Peacemaker" was actually designed for. The full power version was sort of a pre-magnum. S&W has produced modern revolvers in .45LC. Speer loads a 250 gr Gold Dot for it, but significantly slower than the typical 230 gr .45 ACP load so I wouldn't think it performs as well. |
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In a modern revolver, e.g. Ruger Blackhawk, the 45 Colt can be pretty close to a 44 mag when reloaded. The factory 45 Colt loads are pretty close to a 45 ACP.
The 45 ACP was, as noted above, designed to be close to the 45 Colt but in an auto loading pistol. The bullet is a little lighter but the profile and energy is about the same. But they are entirely different cartridges. The 45 ACP if a pistol cartridge and the 45 Colt is a revolver cartridge. There are a few pistols designed for revolver cartridges, e.g..Grizzly 357 but generally the platforms are going to use different cartridges. ETA: S&W will not allow any but factory 45 Colt loads to be used in their Model 25's. I have heard of those who have put Blackhawk loads in them without being Boomed |
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In a modern revolver, e.g. Ruger Blackhawk, the 45 Colt can be pretty close to a 44 mag when reloaded. The factory 45 Colt loads are pretty close to a 45 ACP. The 45 ACP was, as noted above, designed to be close to the 45 Colt but in an auto loading pistol. The bullet is a little lighter but the profile and energy is about the same. But they are entirely different cartridges. The 45 ACP if a pistol cartridge and the 45 Colt is a revolver cartridge. There are a few pistols designed for revolver cartridges, e.g..Grizzly 357 but generally the platforms are going to use different cartridges. ETA: S&W will not allow any but factory 45 Colt loads to be used in their Model 25's. I have heard of those who have put Blackhawk loads in them without being Boomed The Blackhawk is modern in the sense of engineering & metalurgy, but as a single action isn't the best choice as a defensive weapon (IMO, of course). The S&W 25/625 option iwould be a lot more viable, with the right ammo. S&W can say whatever they like about "any but factory 45 Colt loads" - pretty much any manufacturer says non-factory ammo voids the warranty in pretty much any gun of pretty much any caliber. However, it is pretty much a (civil) legal requirement that the weapon be engineered to be safe for any ammo within SAAMI spec for the caliber with which it is marked. So, as long as you stay within the guidelines of the reloading manual, I can't see how you are in any more real risk with .45LC than any other caliber. Unfortunately, there are other potential legal issues with use of non-factory ammo for self-defense. It would be cool if somebody factory-loaded .45LC ammo that duplicated the performance of the big-name premium LE/defensive .45 ACP loads. I think a stainless .45 DA revolver with such loads in the chamber would make a dandy BR or trunk gun. Then again, my S&W M25 in .45LC got stolen 25 years ago so the point is academic to me 
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the modern loadings obtained from buffalo bore can be used in ruger black hawks and some other stout 45lc's there is really no comparison to these loads and 45 acp.
The following are greater than most 44 mag loads Heavy 45 Colt +P Ammo - 260 gr. J.H.P. (1,450 fps/M.E. 1,214 ft. lbs.) Heavy 45 Colt +P Ammo - 325 gr. L.B.T.-L.F.N. (1,325 fps/M.E. 1,267 ft. lbs.) |
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In a modern revolver, e.g. Ruger Blackhawk, the 45 Colt can be pretty close to a 44 mag when reloaded. The factory 45 Colt loads are pretty close to a 45 ACP. The 45 ACP was, as noted above, designed to be close to the 45 Colt but in an auto loading pistol. The bullet is a little lighter but the profile and energy is about the same. But they are entirely different cartridges. The 45 ACP if a pistol cartridge and the 45 Colt is a revolver cartridge. There are a few pistols designed for revolver cartridges, e.g..Grizzly 357 but generally the platforms are going to use different cartridges. ETA: S&W will not allow any but factory 45 Colt loads to be used in their Model 25's. I have heard of those who have put Blackhawk loads in them without being Boomed The Blackhawk is modern in the sense of engineering & metalurgy, but as a single action isn't the best choice as a defensive weapon (IMO, of course). The S&W 25/625 option iwould be a lot more viable, with the right ammo. S&W can say whatever they like about "any but factory 45 Colt loads" - pretty much any manufacturer says non-factory ammo voids the warranty in pretty much any gun of pretty much any caliber. However, it is pretty much a (civil) legal requirement that the weapon be engineered to be safe for any ammo within SAAMI spec for the caliber with which it is marked. So, as long as you stay within the guidelines of the reloading manual, I can't see how you are in any more real risk with .45LC than any other caliber. Unfortunately, there are other potential legal issues with use of non-factory ammo for self-defense. It would be cool if somebody factory-loaded .45LC ammo that duplicated the performance of the big-name premium LE/defensive .45 ACP loads. I think a stainless .45 DA revolver with such loads in the chamber would make a dandy BR or trunk gun. Then again, my S&W M25 in .45LC got stolen 25 years ago so the point is academic to me The M25 and 625 revolvers will handle loads up to around 21K PSI easily, which is .45 ACP +P territory. SAAMI standard pressure for the .45 Colt is 14K PSI. A blackhawk can handle loads to 30K PSI. |
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the modern loadings obtained from buffalo bore can be used in ruger black hawks and some other stout 45lc's there is really no comparison to these loads and 45 acp. The following are greater than most 44 mag loads Heavy 45 Colt +P Ammo - 260 gr. J.H.P. (1,450 fps/M.E. 1,214 ft. lbs.) Heavy 45 Colt +P Ammo - 325 gr. L.B.T.-L.F.N. (1,325 fps/M.E. 1,267 ft. lbs.) Yes but there is no such thing as a SAAMI Spec .45 Colt +P. Buffalo bore is basically making up their own spec, and saying yeah, this will blow up some revolvers, but it's perfectly fine for some modern guns that are overdesigned anyway. I mean, I can cram enough Blue Dot into a .45 acp case to get those velocities too, yeah, it might blow up some autos, but it's perfectly fine in some modern guns that are overdesigned anyway. 
The military .45 Colt round was loaded with 30 grains of black powder, duplicating the charge in the .45 S&W (aka .45 Schofield) The .45 acp out of a 1911 is a pretty fair ballistic match. |