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#801384 - 06/29/08 04:10 PM Re: ? for reloaders - over max charges [Re: rvs9]
skynimrod
10 Point


Registered: 11/10/06
Posts: 2543
Loc: Bellevue Tn

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 Originally Posted By: rvs9
Here's the deal. Bought some Nosler AB's for the 257roy. Nosler reloading manual max load for the powder is 64 grains. Many of you know weatherby rifles have much more freebore relative to other rifles to reduce pressure. Using the Nosler specified COL of 3.25"

My last 3 powder charges working from the min were 63.5, 64.0, and 64.5 (curiosity got the better of me!!!!)

My groups at 100 yards were 1.13, .94, and .44 inches. As you can see, my best group came at .5 grains over max. I'd like to go maybe .5 grains more to see what happens. Just don't want a bolt receiver for grillz!


If what you are loading is the 257 wb mag imr 4350 100 gr
my Speer #8 1970 list 66 grains max at mv 3616 for the IMR 4350
Custom Mauser 26" barrel 1-10 twist, western case, cci 200,250 primers
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#801393 - 06/29/08 04:20 PM Re: ? for reloaders - over max charges [Re: ]
skynimrod
10 Point


Registered: 11/10/06
Posts: 2543
Loc: Bellevue Tn

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 Originally Posted By: DEER ASSASSIN
i agree temp plays a role
that is why i work speed load up in 90 + temps

cold rag in ice to cool barrel




I work up this time of year also because of high temps and pressure great point.
I'm working with the Retumbo on my 270 wsm right now.
I think I my have found something.
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#801610 - 06/29/08 08:24 PM Re: ? for reloaders - over max charges [Re: skynimrod]
megalomaniac
12 Point


Registered: 10/28/05
Posts: 5055
Loc: Mississippi

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Not trying to hijack the thread...

But what do you guys do when working up loads at 90 degrees when you hunt and it's below freezing? Sure, 100-150 fps and different groupings won't mean squat out to 300 yards, but for some of my ranges hunting it could be devastating.

It's for that reason, I do load development as close as possible to temps I expect to actually hunt in. I can't afford any surprises past 500 yards.

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#802330 - 06/30/08 08:53 AM Re: ? for reloaders - over max charges [Re: rvs9]
rvs9
8 Point


Registered: 08/23/02
Posts: 1476
Loc: ChattaVegas

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I have the latest Nosler manual. 110 AB is 64 grains of IMR 4350. I always go a week or so before hunting with a gun and shoot it, whether I am using reloads or factory ammo. Just to be sure!!!
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#802352 - 06/30/08 09:10 AM Re: ? for reloaders - over max charges [Re: megalomaniac]
skynimrod
10 Point


Registered: 11/10/06
Posts: 2543
Loc: Bellevue Tn

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 Originally Posted By: megalomaniac
Not trying to hijack the thread...

But what do you guys do when working up loads at 90 degrees when you hunt and it's below freezing? Sure, 100-150 fps and different groupings won't mean squat out to 300 yards, but for some of my ranges hunting it could be devastating.

It's for that reason, I do load development as close as possible to temps I expect to actually hunt in. I can't afford any surprises past 500 yards.


I like to work up in hot temps to know my true max charge. After I settle in on what I like I shoot and shoot in all temps. I believe that (especially) when I'm shooting say 3200, 3300 fps their is not that much diff for hunting purposes when I dial it in in the fall.
I'm a hunter not a bench rest shooter, and to tell you the truth I have never used a crony, with practice and my reloading books I will pretty much know where my gun shoots at different yardages.
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Manipulation is the KEY!
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#802434 - 06/30/08 09:58 AM Re: ? for reloaders - over max charges [Re: skynimrod]
.444 Marlin
16 Point


Registered: 08/10/02
Posts: 15400
Loc: Benton, Polk Co. Tenn.

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RVS9, you have heard about my handloads....and Im still alive so that should be a clear enough answer
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#802786 - 06/30/08 01:35 PM Re: ? for reloaders - over max charges [Re: .444 Marlin]
rvs9
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Registered: 08/23/02
Posts: 1476
Loc: ChattaVegas

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444 - the reload gods must be with you the second you pop the top on a jug of powder! Just be sure that you wear a welding helmet when you go shoot.
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#803367 - 06/30/08 09:40 PM Re: ? for reloaders - over max charges [Re: rvs9]
.444 Marlin
16 Point


Registered: 08/10/02
Posts: 15400
Loc: Benton, Polk Co. Tenn.

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That one time I mixed powder (on accident), I went ahead and loaded a few rounds and the gun really really liked that load. Im talkin 1/2 to 3/4" groups at 100yd all day long.
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#803372 - 06/30/08 09:41 PM Re: ? for reloaders - over max charges [Re: .444 Marlin]
.444 Marlin
16 Point


Registered: 08/10/02
Posts: 15400
Loc: Benton, Polk Co. Tenn.

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Im not sayin I would mix it again, that was a mistake because of me not paying attention to what I was doing.
_________________________
Spike bucks come with their own meat skewers.


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