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#5405836 - 11/07/14 05:20 PM AR10 7MM-08 Starting load question
Furb Offline
Pro Tracker

Registered: 09/06/05
Posts: 1798
Loc: Arlington, TX
After a LONG wait the barrel for my AR10 7MM-08 should be done this month, I already have a bullet, 162 Hornady SST, can not find the AMAX anywhere, and also the powder, H4895. Min load is 37Gr and Max is 39.5Gr. The barrel is 20", rifle length gas tube, and I will be shooting suppressed so I know pressures will be different, just seeing if anyone has any experience of where to start and what increments to work up in. Thanks.
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HHUUMMMM, what to write, what to write, I got nothing.

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#5407887 - 11/08/14 11:14 PM Re: AR10 7MM-08 Starting load question [Re: Furb]
texasbowhunter321 Offline
Woodsman

Registered: 03/07/14
Posts: 166
Loc: Texas, Dallas
Who's making the barrel? Post some pictures

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#5408078 - 11/09/14 07:35 AM Re: AR10 7MM-08 Starting load question [Re: Furb]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1734
Loc: Waco
I realize mine is a 6.5 Creedmoor ...BUT Based on my experience running suppressed on mine anything above starting loads groups open up so bad I gave up and put a Break and have amazing accuracy now with N150. I have shot it to 1000 yards and couldn't be happier.
_________________________
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963

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#5410057 - 11/10/14 08:08 AM Re: AR10 7MM-08 Starting load question [Re: Furb]
ChadTRG42 Online   happy
THF Celebrity

Registered: 09/16/09
Posts: 12680
Loc: Lewisville, TX
I don't know that I would pick H4895 as the best powder for a 162 bullet, but it will work. Something in the Varget range to maybe H4350 would be better suited.

But you have the right load data. If you plan to shoot suppressed, test the loads suppressed. I would start around the middle area, somewhere around 37.5 or 38. Watch for pressure signs, ejector swipes and beat up brass. But my AR-10 in 308 will give you ejector swipes with a mild load, so some AR's you can not go by that. Just rely on the book data for min/max data.
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Custom and Precision Ammunition!!
www.DallasReloads.com
Type 01 and Type 06 FFL

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#5410850 - 11/10/14 12:50 PM Re: AR10 7MM-08 Starting load question [Re: Furb]
Furb Offline
Pro Tracker

Registered: 09/06/05
Posts: 1798
Loc: Arlington, TX
Thanks guys

Chad-- The reason for the H4895 is I have two lbs I bought from a gun range when it was sparse to find anything, but I do have some varget left over that I can do test loads with and compare, if Varget wins out just gotta find some then. Thanks for the info guys.
_________________________
HHUUMMMM, what to write, what to write, I got nothing.

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