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AuthorPost
willee51
Junior Member


Joined: Wed Apr 19th, 2017
Location: Forest, Virginia USA
Posts: 15
Photo: [Download]
Are you a handloader?: No
Favorite type of cartridge to load?: pistol
My favorite chambering is:: 45acp
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Ref:  Lyman Reloading Handbook, 49th Edition, pgs 380-382
Ammo I've been using: Winchester 45acp, 230grn, TMJ (white box).  Have about 500 of my own, once fired brass.

Ok, thinking about getting into reloading, got myself the Manual above and have some early questions?

1. Manual calls for 1.275 OAL, but my new ammo (listed above) measures 1.255 ????

2. Data for each caliber in the above left corner, for each round,  lists figures for "BC" and "SD" what is this?

3. Test components for the 45acp lists: Remington & CCI primers.  I shoot Glock 45's and the dealer I got them from recommends Federal primers, as they are "softer" with less mis-fires.  Any truth to this.  And does it matter what primer BRAND I use as long as it not Magnum and is the required large or small, depending on case?

One comment: hope I can find a local supplier of Primers, to AVOID the LARGE HazMat charge!!

RobertMT
Master Handloader


Joined: Sat Jan 17th, 2009
Location: Columbia Falls, MT
Posts: 5726
Photo: 
Are you a handloader?: Yes
Favorite type of cartridge to load?: rifle
My favorite chambering is:: 270wsm ...
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I suggest reading and rereading http://www.handloadersbench.com/forum20/42401.html
it's laid out well and will answer many of your questions.

HighBC
Full Member
 

Joined: Tue Jun 21st, 2016
Location: USA
Posts: 735
Photo: 
Are you a handloader?: Yes
Favorite type of cartridge to load?: I load everything!
My favorite chambering is:: 7mm RM
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I suggest you spend some time reading a good instruction reloading manual, Speer, Hornady, ABC's, and Lyman is especially informative if you ever decide to load lead also. But for the basics of loading jacketed, I like Speer, as they really lay it out in an organized step by step manner.

Primers- which brand or even type, be it Winchester CCI, or Federal, magnum or standard, is really only pertinent during load development. I have a brand / type I prefer, my neighbor may prefer another brand or type, but at the end of the day, as long as we work the load up with that primer and re-work each time we change brand or type this and accuracy is all that matters. I've been using CCI and Winchester for about 4 decades, haven't had a single misfire yet. BTW, you can use a magnum primer for a standard primer application, you just need to develop the load with that primer is all, and make sure the firing pin is impacting with enough inertia to reliably detonate them due to thicker cups.

OAL - The oal of a factory round really means little. As reloaders we have the ability to tailor our OAL's and other aspects of the load to feed, fit, and function in our firearms, not every firearm like factory ammo specifications are. Generally, I like to find an OAL that will fit the magazine, feed reliably from the magazine, and pass the plunk test, which is how we check to ensure the bullet isn't contacting the lands when dropped in the barrel.

I honestly don't even look at published OAL, I use the barrel/chamber as my gauge. I prefer to use the longest OAL that I can, provided neck tension is acceptable and of course fit, feed, and function are all 100%. If this coincidentally happens to be the same or similar to the published OAL, so be it, but I'd probably never notice anyway.

"BC" is ballistic coefficient
"SD" is sectional density

HBC

willee51
Junior Member


Joined: Wed Apr 19th, 2017
Location: Forest, Virginia USA
Posts: 15
Photo: [Download]
Are you a handloader?: No
Favorite type of cartridge to load?: pistol
My favorite chambering is:: 45acp
Status: 
Offline

  back to top

HighBC wrote: I suggest you spend some time reading a good instruction reloading manual, Speer, Hornady, ABC's, and Lyman is especially informative if you ever decide to load lead also. But for the basics of loading jacketed, I like Speer, as they really lay it out in an organized step by step manner.

Primers- which brand or even type, be it Winchester CCI, or Federal, magnum or standard, is really only pertinent during load development. I have a brand / type I prefer, my neighbor may prefer another brand or type, but at the end of the day, as long as we work the load up with that primer and re-work each time we change brand or type this and accuracy is all that matters. I've been using CCI and Winchester for about 4 decades, haven't had a single misfire yet. BTW, you can use a magnum primer for a standard primer application, you just need to develop the load with that primer is all, and make sure the firing pin is impacting with enough inertia to reliably detonate them due to thicker cups.

OAL - The oal of a factory round really means little. As reloaders we have the ability to tailor our OAL's and other aspects of the load to feed, fit, and function in our firearms, not every firearm like factory ammo specifications are. Generally, I like to find an OAL that will fit the magazine, feed reliably from the magazine, and pass the plunk test, which is how we check to ensure the bullet isn't contacting the lands when dropped in the barrel.

I honestly don't even look at published OAL, I use the barrel/chamber as my gauge. I prefer to use the longest OAL that I can, provided neck tension is acceptable and of course fit, feed, and function are all 100%. If this coincidentally happens to be the same or similar to the published OAL, so be it, but I'd probably never notice anyway.

"BC" is ballistic coefficient
"SD" is sectional density

HBC

Thanks a million HBC for your time and the detailed information!  God Bless


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