7 RSAUM Load thread...Post your 7RSAUM(ony 7RSAUM) Load
- Thread starter falconpilot
- Start date
Mine is a custom SAUM Improved, similar to a 7SS
32 inch Bartlein finished at 32, 8.25 twist 5R
ADG 7 SAUM brass
Lapua 180gr Scenar L
ADI 2213sc (H4831sc). 58.5gr gives 2880fps, single digit ES and SD. 58.8gr does the same for 2920fps and so does 59.1gr for 2940fps. Federal GM210 primers...
32 inch Bartlein finished at 32, 8.25 twist 5R
ADG 7 SAUM brass
Lapua 180gr Scenar L
ADI 2213sc (H4831sc). 58.5gr gives 2880fps, single digit ES and SD. 58.8gr does the same for 2920fps and so does 59.1gr for 2940fps. Federal GM210 primers...
I like to see folk using the scenars
BigGame
Silver $$ Contributor
What velocities are you getting at these charges of N165?
63.0 grains of H1000 in a 30” barrel, 180H at 3.15 COAL yields 2925-2950 depending on barrel fouling condition. 210M primer, ADG brass.
ADG Brass
210M
62.5 VV N565 stored at 50% RH
Not compressed but nearly full
180 Hybrid pointed on an AutoTap
COAL approx 1.16, about .005 off of fresh lands
Flies around 2900-2910
Same charge stored at 25-30% RH makes 2940-2950
Delivers SD under 6 across large sample sizes and sub MOA accuracy at 1,000 through the course of a match day.
210M
62.5 VV N565 stored at 50% RH
Not compressed but nearly full
180 Hybrid pointed on an AutoTap
COAL approx 1.16, about .005 off of fresh lands
Flies around 2900-2910
Same charge stored at 25-30% RH makes 2940-2950
Delivers SD under 6 across large sample sizes and sub MOA accuracy at 1,000 through the course of a match day.
I acquired about 1lb of Rel 23 and a mate used his quickload prediction for the 195gr elite hunter..
Quickload max showed 58.9grs behind the 195s..
I tried 59grs to round it up..
I fouled the barrel then shot my N165 load then the Rel 23 load just for velocities and the Rel 23 was on average 80fps faster
Quickload max showed 58.9grs behind the 195s..
I tried 59grs to round it up..
I fouled the barrel then shot my N165 load then the Rel 23 load just for velocities and the Rel 23 was on average 80fps faster
Attachments
ADG brass (3x fired)
Winchester LRM primer
162 ELDM @ 2.94” COAL
64gr N565
2710fps from an 18” barrel with an Ultra 7
Very accurate, several cloverleaf groups with charge weights from 59.5-64.5gr.
64gr is a slightly compressed load. Ordered a drop tube to see if it helps settle the kernels which are larger than H1000.
Winchester LRM primer
162 ELDM @ 2.94” COAL
64gr N565
2710fps from an 18” barrel with an Ultra 7
Very accurate, several cloverleaf groups with charge weights from 59.5-64.5gr.
64gr is a slightly compressed load. Ordered a drop tube to see if it helps settle the kernels which are larger than H1000.
Still running the N565 and 210M with a 180 hybrid. Barrel now at 1000 rounds, I backed the charge down to 62 grains before SWN. Barrel slowed down when I hit around 800 rounds. But still maintaining good SDs. These are my last 2 chrono strings with sighters included at our 600 yd club match a few days ago. I placed 5th. Before the slow down I was in the 2910 range.
Attachments
Had a chance to do some 100 yard practice recently. I screwed barrel number 3 back on which had 700 rounds before this session. I loaded up 88 rounds of Reloder 23. 59.0 grains of powder with a 210M primer in 3x fired ADG Brass. Barrel was cleaned prior to shooting.
The first five shots that are crossed out on the top left were N565 remainders from 600 yard practice last week. I used those to get my scope dialed in.
Then I shot an eight shot group of R23 to further foul the barrel.
After that, I fired four 20 shot groups of R23. All shots were fired one round per minute, so I could focus on my marksmanship and train on maintaining my position for a long duration. After the 20 shot groups were completed, I allowed the barrel to cool during the 10 minute cease-fire. And in between groups two and three, I took a 30 minute break during one of the shooting periods.
These are the results. Remarkable SDs and 20 shot groups that are about as good as I can shoot. Overall, very promising.
The first five shots that are crossed out on the top left were N565 remainders from 600 yard practice last week. I used those to get my scope dialed in.
Then I shot an eight shot group of R23 to further foul the barrel.
After that, I fired four 20 shot groups of R23. All shots were fired one round per minute, so I could focus on my marksmanship and train on maintaining my position for a long duration. After the 20 shot groups were completed, I allowed the barrel to cool during the 10 minute cease-fire. And in between groups two and three, I took a 30 minute break during one of the shooting periods.
These are the results. Remarkable SDs and 20 shot groups that are about as good as I can shoot. Overall, very promising.
Attachments
BigGame
Silver $$ Contributor
Which bullet are you shooting? Nice target!
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