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Old 01-03-2013, 02:06 AM   #1
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Default 45 colt bullets

sorry if this is a stupid question, but can i use any .45 cal bullet when reloading? ive seen some labeled as 45 colt then 45 acp and some just labeled .45 cal. whats the diffence?



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Old 01-03-2013, 09:33 AM   #2
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.45 Colt bullets normally have a cannelure to roll the crimp into. The slick sided .45acp bullets can jump crimp and tie up a revolver if the loads are heavy enough.

That said, you can use .45acp bullets in .45 Colt and vice-versa. You just have to be careful and think about what you're doing.

In my case, I don't use anything lighter than 250gr in the Colt or heavier than 230gr in the acp so there is no sharing.



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Old 01-03-2013, 11:15 AM   #3
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Many of the Colt bullets are lead, 250, where the ACPs are jacketed, 230 tops- but there IS some crossing back of forth. Diameters usually about equal.

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Old 01-03-2013, 02:17 PM   #4
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Quote:
Originally Posted by c3shooter View Post
Many of the Colt bullets are lead, 250, where the ACPs are jacketed, 230 tops- but there IS some crossing back of forth. Diameters usually about equal.
so should i just measure it before i use 45 acp bullets? thanks for your help!
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Old 01-03-2013, 02:28 PM   #5
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The profile sometimes makes a bullet inappropriate for the Colt cartidge. While a 230 gr RN FMJ will fit in a .45 Colt, the ogive (nose radius) causes one to have to load the bullet so long that you exceed the max OAL. I use the 255 gr SWC for the Colt and 225 gr RNL for the ACP. The SWC will work in the ACP but not the other way around.

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Old 01-03-2013, 04:02 PM   #6
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I've had very good luck with 255 Cast GC bullets, from wheelweights, in the .45 Colt. I use the 250 gr plated Rainiers when I'm too lazy to cast.

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Old 01-04-2013, 09:01 AM   #7
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Quote:
Originally Posted by robocop10mm View Post
The profile sometimes makes a bullet inappropriate for the Colt cartidge. While a 230 gr RN FMJ will fit in a .45 Colt, the ogive (nose radius) causes one to have to load the bullet so long that you exceed the max OAL. I use the 255 gr SWC for the Colt and 225 gr RNL for the ACP. The SWC will work in the ACP but not the other way around.
What? My .45 Colt revolvers couldn't care less how long the bullet is seated as long as they don't stick out the end of the cylinder.

All .45acp bullets will work in .45 Colt revolvers (but possibly not reliably in lever guns). Some .45 Colt bullets will work in .45acp rounds.
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Old 01-04-2013, 01:53 PM   #8
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I'm confused?

Are we talking about .45 Auto Colt Pistol
or
.45 Colt, as in Long Colt, the revolver round?

The old, very old - I wouldn't shoot because of antique value, Colt SSA revolvers were barreled to something around .454 caliber. The modern ones fell in line with the .45 ACP bore of around .451 caliber.

The .45 Auto has shorter over all length to fit into magazines and the chamber. Other variables must be met for proper/consistent function as an auto-loader.

The revolver is limited by the requirement of having a short enough over all length that the cylinder will rotate. Bullet shape can go from a totally flat, even with the case mouth wad cutter to a very pointy spite shape.

The standard bullet weight for the ACP is 230 grains and the Long Colt is 255 grains. But, those weights don't hold much weight (pun) anymore. The auto-loader must have a load that is balanced to operated the action, not hard to accomplish. The revolver just eats up anything that gets the bullet out the barrel and is safe (pressure wise) to shoot. One is fast to shoot and re-load. The other is or can be almost as fast to shoot, but far slower to load.

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Old 01-04-2013, 02:23 PM   #9
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You find reloaders using a broad range of .45 caliber bullet weights in both guns. You will find .45 Caliber bullets in .451,.452,.454,.457,.458 calibers.
The .45 ACP[Automatic Colt Pistol] will most often use the .451 jacketed bullets or .452 lead bullets. The .452 in either bullet works in the ACP or .45 AR[Auto Rim]. The .457 and .458s are rifle bullets.
The .45 Colt Ctg. in modern ammo there is no Long or Short .45 Colt ammo. The Longs and short .45 Colt Ctgs are collectors items. In modern loading most new guns are throated and chambered to use the .452 diameter bullet. Older Single Actions and some Double Action may have .454 chamber and .452 bores. These can create a problem for the hand loader. The S&W 25-5 revolvers in .45 Colt can present a problem to hand loaders. These guns will often key hole unless .454 bullets are used.
The answer is if you don't know what bullet to use measure you chamber throat and forcing cone.

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Old 01-04-2013, 04:36 PM   #10
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im talking about 45 long colt. i want to reload for my ruger redhawk. so im understanding i can use any 45 cal bullet as long as the OAL isnt exceded? thank you guys for all the replys!



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