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Max Online: 16728 @ 03/25/12 08:51 AM
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#6429730 - 08/29/16 03:17 PM Need a lil assistance from a memeber with quickload
jorge Online   content
Extreme Tracker

Registered: 02/01/11
Posts: 3943
Loc: Lake Jackson, TX

260 rem - 45.9gr AA2700 under a 120gr smk b.c. .409, 26" and 22" bbl

260 rem - 44.3 gr AA2700 under a 120 a-max b.c. .465, 26" and 22" bbl

Whats the mv listed?

Thank you



Edited by jorge (08/29/16 03:21 PM)
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Jorge Sakai
South Texas Trophy Outfitters

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#6429740 - 08/29/16 03:23 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9393
Loc: Lewisville, TX
What brass are you running? The case volume between the Lapua, Rem and Winchester (7-08 necked down) will have a big influence. And what is your COAL?
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#6429751 - 08/29/16 03:32 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
jorge Online   content
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Registered: 02/01/11
Posts: 3943
Loc: Lake Jackson, TX
Chad your a great guy! Its 99% rem, but i have about 50 243 win nickle that i started with. I have to double check coal when i get to the house.
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Jorge Sakai
South Texas Trophy Outfitters

Contact #: 210-837-6742
GEORGE.SAKAI@YAHOO.COM

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#6429770 - 08/29/16 03:41 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9393
Loc: Lewisville, TX
45.9gr AA2700 under a 120gr smk- 22" bbl QL says 2924 fps
26" QL says 3029 fps (Also, this load shows 66K psi, which is a pretty stout load!)

260 rem - 44.3 gr AA2700 under a 120 a-max 22" bbl- QL says 2848 fps at 61K psi
26" barrel- 2952 fps at 61K psi

Both seated at 2.790". If seating depth is about 2.730", add 3K psi, and about 40 fps.
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#6430332 - 08/29/16 08:39 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
jorge Online   content
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Registered: 02/01/11
Posts: 3943
Loc: Lake Jackson, TX
You the man chad. Yeah its definitely over if i recall, but no signs of pressure at all. happens to be by far the most accurate load for 2700 ive come up with. If i recall im about .4/.5 over max
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Jorge Sakai
South Texas Trophy Outfitters

Contact #: 210-837-6742
GEORGE.SAKAI@YAHOO.COM

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#6430358 - 08/29/16 08:48 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
watchale Online   content
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Registered: 02/18/10
Posts: 1794
Loc: Tx
My turn my turn ! Lol
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#6430359 - 08/29/16 08:49 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
jorge Online   content
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Registered: 02/01/11
Posts: 3943
Loc: Lake Jackson, TX
I just looked ant didnt realize i was at 10% over saami listed pressure. If no pressure signs exist. Would you back off?

Im at 2.780" coal


Edited by jorge (08/29/16 08:51 PM)
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Jorge Sakai
South Texas Trophy Outfitters

Contact #: 210-837-6742
GEORGE.SAKAI@YAHOO.COM

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#6430539 - 08/29/16 10:10 PM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
cblackall Offline
Woodsman

Registered: 05/12/16
Posts: 112
Loc: Lewisville, TX
If it's a time proven load in your rifle, I'd run it. That's assuming you've shot this load in the heat. If you worked it up last December, tread lightly. I'm not sure of the temp sensitivity of that powder, but if you haven't tested it throughout all conditions I would be aware of the possibility that hot load may become dangerous in the heat.

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#6430918 - 08/30/16 08:32 AM Re: Need a lil assistance from a memeber with quickload [Re: jorge]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9393
Loc: Lewisville, TX
Originally Posted By: jorge
I just looked ant didnt realize i was at 10% over saami listed pressure. If no pressure signs exist. Would you back off?

Im at 2.780" coal


As always, work up to that load, or any over max load. Don't just start there knowing that it's an over max load already, if you have never tried it. Back off a few grains and slowly work up to it. When I work up a load for a rifle, I back off a little from max, and work up to max, or slightly over max. If it's a customers' rifle, then I'll have 3-5 rounds of different test groups to shoot working up to max. If it's my personal rifle and I don't have any known data yet, I may load up 1 round at a time and shoot it to find max pressure. Once I find it, I know not to go over this, and work below that powder charge. If there's no pressure signs, then it should be fine. The main pressure signs I look for are sticky bolt lift and extractor marks on the case head.
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