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Powder speed and barrel length play in. I did testing with mag primers and lots of spread in my ES and SD. I have found that I typically don’t have good luck with mag primers in anything shooting less than 70 grains of powder. Check or the article, similar findings to mine.
http://www.rifleshootermag.com/reloading/magnum-primers-for-non-magnum-loads/
http://www.rifleshootermag.com/reloading/magnum-primers-for-non-magnum-loads/
I was surprised at how good the Norma brass has been. I typically run Lapua but they are not playing the short mag game yet, so I went with 100 pieces Norma. No culls, no complaints. That being said. I have emailed Lapua. They essentially said they have had lots of inquiries, especially on he 7 SAUM so in the future they could start producing it so fingers crossed
Unfortunately nope. Up in the Northeast. My gun is at my builder’s and I have the project on hold until things turn around here.
Played with the load today. Shot over my chrono and by my buddies labradar. Found my best load for the 162's. 3210 fps average with 13 ES and 6 SD according to the LabRadar. 3218 fps average with 12 ES and 6 SD. This was at 64.1 grains of H-1000 .005 off the lands. Shot 2 groups of 0.25" @ 100 and one group of 0.20". Going to 1,300 yards next weekend will report back after that.
The 65.5 grain load (same as the 3327 load from last week) was 3301 FPS average 31 ES and 13 SD with Labrador and 3319 with 28 ES and 13 SD on my chrono. So no malfunction on the chrono's part. Just a slick barrel I guess. 3 groups were all between .3 & .45" No pressure signs at all.
Going to go with the 3210 load due to the group size and SD. Loading up 50 for next weekend. The other 50 will by my 180 Eld load going 2930. Depending on how they perform I'll narrow down to the more accurate load then try for 1,760, 2,000 and 2,500.
The 65.5 grain load (same as the 3327 load from last week) was 3301 FPS average 31 ES and 13 SD with Labrador and 3319 with 28 ES and 13 SD on my chrono. So no malfunction on the chrono's part. Just a slick barrel I guess. 3 groups were all between .3 & .45" No pressure signs at all.
Going to go with the 3210 load due to the group size and SD. Loading up 50 for next weekend. The other 50 will by my 180 Eld load going 2930. Depending on how they perform I'll narrow down to the more accurate load then try for 1,760, 2,000 and 2,500.
great info guys et al. I am working on a new hunting load right now for the 175 ELD-X and or the 175 Elite Hunter. I picked up some RL26 to play with. its crazy hot here in TX so i am working on it slowely.
going to start 60.5 RL26 and go from there.
going to start 60.5 RL26 and go from there.
I tried mag feeding the 183 in a short action (accurate mags, 2.945 oal), got 2830 with 57.5 h4831 and 2920 with 62.5 H1000. I'm not gonna run this anymore as the bullet oal variance is enough to bind up feeding and I'm leaving visible marks on the bullets when seating due to the large amount of powder crunching. I'm going to run it in a long action for testing oal, and if that works out maybe move to a defiance xm setup, however I do want to see if the xm mags prove out.
Any chance you want to sell the brass? I'll pay top dollar for it. Have a brand new rifle and no brass right now.
PTG standard 7 SAUM for my build. Loaded for mag length and can load out to .02 off of the lands with 180 ELDM’s over H1000 between 2900 and 2950 FPS, and feed from a WSM mag from accurate mag with no issues. If you want to bury in the lands you’ll need additional freebore.
In the process of putting together a 7 SAUM this spring. I got my hands on some new Bertram brass. It seems I'm reading about guys having issues with the Bertram brass. Thinking I should sell it and go with Norma. What do you all think?
I'm running an Defiance XM action can load to 3.25" Barrel length 26" SAAMI Reamer throated to .225 freebore
Bertram Brass
215M
185 RDF COAL 3.10
60.5 RE 23
MV 2930
G7 BC .361
Bertram Brass
215M
185 RDF COAL 3.10
60.5 RE 23
MV 2930
G7 BC .361
Scott,
I'll have to pick your brain about the SAUM next time I see you at a match. Thanks for the info.
Tavis
My load in a stock barreled Rem 700 BDL that is bedded with a tweaked trigger and extended Wyatt’s box is:
Norma brass @ 2.025”
CCI BR-2
IMR 7977 @ 66.0 grains
HbN coated 168 VLD @ 2.915” for 0.050” jump
2940fps average with an SD of 9
This load holds 0.5 MOA, if I do my part, out to 750 yards.
Norma brass @ 2.025”
CCI BR-2
IMR 7977 @ 66.0 grains
HbN coated 168 VLD @ 2.915” for 0.050” jump
2940fps average with an SD of 9
This load holds 0.5 MOA, if I do my part, out to 750 yards.
I jumped into the 7SAUM world with a factory 700 SS. Put it in a Manners SL stock with M5 inlet so I can use Accurate Mag 300 WSM mags and load out to 2.95”. Mainly will use for hunting deer and elk.
Checked the distance to lands and I’m off the lands at 2.95 so all good there.
R-P 7SAUM brass, and use Tula LRM primers. I also have Fed 210GM and 215GM on hand.
I’d like to start with the 168 VLD. I have H-1000, RL26, RL23, RL16 on hand.
Could someone point me to some starting loads?
Checked the distance to lands and I’m off the lands at 2.95 so all good there.
R-P 7SAUM brass, and use Tula LRM primers. I also have Fed 210GM and 215GM on hand.
I’d like to start with the 168 VLD. I have H-1000, RL26, RL23, RL16 on hand.
Could someone point me to some starting loads?
I’d u
I’d use starting loads for R25, R22 and R17 for the reloader powders you listed. The burn rates are a little different but not too much. You would be safe starting a grain higher than the starting loads in my opinion.
A couple RE23 loads are posted in the "7mm Remington Short Action Ultra Magnum (7mm RSAUM) Shooters and reloaders" facebook group.
My load for 7 saum and 185s with RE 23 is 60.5 gr with 215M primers. I run .240 freebore so basically a long action reamer.
I've sent one from each of my 5 emails. The response I got last was that they have been getting lots of inquiries about the WSM & the SAUM, specifically the 7mm versions. So fingers crossed the 7SAUM will be one of the first when they do start manufacturing them.
Do someone knows if there is an ADG retailer keen to ship ADG 7 SAUM brass to Europe? Thanks
Edit: solved.
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Anyone tried SW4350 in their 7 SAUM? RL26 is nowhere to be found and my 7 SS is should be ready in two weeks.
What length barrel? I've got H1000 but RL26 has been the ticket for our 6.5SAUM and figured it would be for the 7 SS too.
