Author Topic: different reloading manuel (Read 408 times)

Myerslake2005 · « **on:** June 22, 2006, 06:23:06 AM »

I pulled out my reloading equipment after about 14 years and am starting to work up some loads. Decided to use the Hornady 165GR BTSP as a general load for deer in my 30-06.

The current reloading manuel I have is a Sierra.

Since I plan on reloading up to 1gr below max can I interchange the Hornady 165Gr BTSP with the data for the Sierra 165GR BTSP?

Brent

hunt127588 · « **Reply #1 on:** June 22, 2006, 06:29:02 AM »

I'm shooting Hornady 165 SSTs in my 30-06. Unfortunately, none of my load books had info. for this round and what Lyman had wouldn't work due to the SST having a cannelure and needing to be seated deeper. Therefore, here is the info Hornady gave me when I called them for SSTs:

.30-06 Springfield - 165 gr. SST
OAL: 3.230
IMR 4350: 57.0 gr. MAX (optimum charge 55.0-55.5 gr)

What powder and what Hornady 165s are you using? I went ahead and bought the Hornady books (after calling them) and can give you a load when I get home.

Chuck White · « **Reply #2 on:** June 22, 2006, 01:12:26 PM »

Quote from: hunt127588

Unfortunately, none of my load books had info. for this round and what Lyman had wouldn't work due to the SST having a cannelure and needing to be seated deeper.

I have never used SST bullets myself, but you don't need to seat any bullet deeper just because it has a cannelure!
The cannelure is used to crimp the case mouth into, but just because it's there doesn't mean that you have to use it!

Myerslake2005 · « **Reply #3 on:** June 22, 2006, 01:54:14 PM »

I'm using the 165gr boattail spire points. I'm wondering if I can use the Sierra reloading information for the Sierra 165 boattail the same as the Hornady 165 boattail since I don't plan on loading to a max load?

Brent

PaulS · « **Reply #4 on:** June 23, 2006, 05:12:14 PM »

Different components may require different loads. A bullet change is a big change - I would suggest the you get a manual for the bullet and powder you will be using. Short of that get the "One Book, One Caliber" book and see if it lists the data for your components.

JBMauser · « **Reply #5 on:** June 24, 2006, 04:46:13 AM »

I just wanted to make a comment here as it seems that some look at published data as if it was a chemical formula. Load data in all manuals is averaged out and lawyered down to the comfort of the publisher. Since none of it was built using your barrel, it is all a GUIDE so that anyone with any gun with any length can fire it and return home. Of couse you can use 150gr data from three different bullet companies. The varriation between their guilding metal, bullet shape and base are not as significat as the fact that none of them tested their data with your barrel. I do not play near the Max load level. I load for accuracy which the barrel will tell me more than the load manual. I use Max data as a ceiling which I rearely approach. I buy manuals all the time old and new, I like to read them, but I don't need to buy a bullet makers book to load their pills. The most significant fact about manuals today is that since the advent of piezio stress sensors, modern manuals have more reliable pressure data than older manuals and some old acceptable loads have been found to be in the red zone with the new measureing devices. Anyone who plays near max data should always drop way back even if they change primers or brass because even 100 degrees or freezing temp will varry performance. Just keep in mind that your barrel is the third leg to the stool, the manual just gives you two. JB

PaulS · « **Reply #6 on:** June 25, 2006, 09:10:04 AM »

Not to take this topic too far away from its original line but what JBMauser said in his post got me thinking. In an over simplified way he is partly correct in saying that you can use the load data for one 150 grain bullet with someone else's load data. I would like to put a caveat here though because there are also times when it might generate extreem pressure changes. I have two loads for a 357 maximum using two different 180 grain bullets - a Speer and a Hornady. If I had worked up a load for the Hornady bullet first and switched it over to the speer bullet I would have experienced an extreem difference in pressure. The two bullets are different lengths - they are different shapes and most importantly they have different lengths to the cannelure in which they are crimped. I use the same two bullets in my 358 Winchester and have different loads for them there as well. when you change components there are differences that you can see and some that you can't. Barnes bullets are made of copper not lead and they are much longer. You would not want to interchange data for your JHP bullets when using the solid copper bullets and seat them to the same overall length - you would most likely endup with dangerous presures if you did.
Reloading is not rocket science but there are rules that are in place so that if you make a mistake you have a chance to recover from it - before you damage your gun, yourself or the guys shooting next to you at the range.
Whether you shoot nearly maximum loads or use a reduced pressure load that in no way approaches even normal pressure ranges you should always reduce your load when you change components, or even when you buy a new lot of the same components. The manufacturers make changes to their components all the time and they don't tell us except by changes in the load data in their manuals - and then somebody will tell you its because of some lawyer. The fact is we don't know for sure why the changes are made. All we do know is that we should start low enough when we put together a load that if something goes wrong we will only end up with a sticky case or blown primer rather than a gun exploding like a grenade in our arms causing serious injury or death.
If you are familiar with your load, your gun, the components that you are using and you make a change to a new component that you know well enough to believe it is safe under the conditions you are using it then by all means use it. If you are new to loading your own and unsure or don't know the differences in the components that you are using then take the time to be safe. Start a bit low and work your way up to where you are going to shoot at. As JBMauser said never exceed the maximum listed load. There is no benefit that makes up for the danger you put yourself in when you exceed the maximum listed loads in any manual.

Myerslake2005 - I looked at one powder for your 3006 and the 165 gr BTSP bullets in three different manuals:

the maximum load with this powder was 56.5 in the Sierra manual
58.0 in the Speer Manual and 57.0 in my Lyman manual.
The Lyman manual uses a Nosler bullet, the Speer manual lists their bullets and the Sierra lists their bullet.

It would appear that you could use the Sierra data (for THIS powder) for most any of the other bullets. It could also be that the next powder you look up would list a higher load than in the other books The powder that I looked up was one of the popular powders - IMR 4350.