damn, and I just got all my parts to build a 6.5x284. the SAUM sounds like the ticket. Oh well, at least brass isn't an issue I guess.
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Yes, yes, it's early here is Australia, and i've only had one cup of coffee, once i thought about it for 5 seconds i realised what i typed. So George, does PT&G have the reamer?
Yes He does, our Version is called the 6.5 - 4S
Is it a .298 neck?
I just talked to Dave Kiff last week about this reamer. He told me .2995 nk .188 FB. He said it was same reamer George uses. If I'm wrong, it's Dave's fault.
How do you 6.5 SAUM owners know how much pressure you are truly getting?
If it's QL that is suspect at best.
Who cares? 3250fps with a 130gr bullet with 8 firings on those cases and snug primer pockets is all the pressure indications I need.
Read post # 309.......
How do you 6.5 SAUM owners know how much pressure you are truly getting?
If it's QL that is suspect at best.
Who cares? 3250fps with a 130gr bullet with 8 firings on those cases and snug primer pockets is all the pressure indications I need.
Read post # 309.......
I have one in the works also
A10XRIFLE cares, as he stated.....
"Yes I have over 3400 rounds on my rifle now and its still shooting sub 1/2" Bryan Yeung on Team GAP shot one to 2800 and it was still in the 1/2 " range. This is proven. Its not a real secret its about Pressure!! The 308 runs at at pressures of 53000-58000 PSI I wanted to find a case that would make 3100 with a High BC Bullet at that same low low pressure. The Saum was wat we landed at with lots of testing. With a 140 JLK I could get 3080 FPS with only 53000 PSI "
From what I understand here, He's saying he cares about barrel life low pressures, and is claiming only 53000 PSI.
I was just curious how is he measuring his stated exact pressures?
Also Pat, How many grains of H1000 for the 130 vld? and, Why not the 140??
What's the barrel life on a 22creed?
that's what I was thinking. Just a little less powder capacity in the .22 Creedmoor vs. the .22-250.I'm guessing better than a 22-250 or .220 Swift.
So a .22 Creedmoor, isn't that just reinventing the 22-250?
I would also tend to lean George's way on cartridge designs, he has more experience then we do with building rifles. It's safe to say, he knows his stuff. I trust his judgement.
I don't doubt we are seeing a lower pressure load and that's cool. George is stating emphatically that he is getting 53K for his load. How does he know?
So far, no answer so I can only assume or guess as he obviously is. No offense folks, not trying to pick on George here. I like what I see and think its great.
I'm guessing better than a 22-250 or .220 Swift.
So a .22 Creedmoor, isn't that just reinventing the 22-250?
yavapai kid said:I would also tend to lean George's way on cartridge designs, he has more experience then we do with building rifles. It's safe to say, he knows his stuff. I trust his judgement.
I don't doubt we are seeing a lower pressure load and that's cool. George is stating emphatically that he is getting 53K for his load. How does he know?
So far, no answer so I can only assume or guess as he obviously is. No offense folks, not trying to pick on George here. I like what I see and think its great.
I would also tend to lean George's way on cartridge designs, he has more experience then we do with building rifles. It's safe to say, he knows his stuff. I trust his judgement.
I don't doubt we are seeing a lower pressure load and that's cool. George is stating emphatically that he is getting 53K for his load. How does he know?
So far, no answer so I can only assume or guess as he obviously is. No offense folks, not trying to pick on George here. I like what I see and think its great.
Or you can "ASS-ume" that he has other things to do then spend every waking moment on here.
Sorry to hurt your feelings there Tiger. Yes, I'm sure your hero has other things to do.
Sent my Surgeon Scalpel in 7wsm to GAP last week for a little refreshing with a new #13 barrel chambered in 6.5 saum. Hopefully will have it back soon enough to try it out on the local wildlife this fall, as usual, cant wait to get it back and go shootin!!
Yavapai Kid, Initial loading's were based on Quick Load predictions which are not 100% accurate but are ballpark. Bryan Yeung (posted above) tested these loads with a strain gauge type pressure meter and the predictions were very close to the QL predictions 53 to 56k . Nobody has made a Pizo or CC test Barrel and got actual's yet. But I'm not that worried about it at this point as its doing what we theorized it would do so its a mood point. 3k+ with the recommended loads. 61gr H1000 on 140 , 63gr H1000 on 130. You want to add horsepower there is plenty of room but your mileage will suffer.
Like I said if I could truly reinvent the wheel I would gave the 6.5 RCM a longer neck a slightly shorter body. I like the none rebated rim of the RCM and the case capacity. But the SAUM was the easier of the cases we were looking at to get, and to make. And if there is a chance someday to get cases made and properly head stamped this one will be the easiest.
Received it , and its in process, We are doing a batch of 6.5 SAUM's now and are sneaking yours in!
Has anyone built one of these on a ADL or BDL long action? I have a mag bolt face L/A and i'm not keen on having a box mag hanging down there on a hunting rig.
Bone collector, I am lovin' mine. Dream rifle is understatement ! Little over 200 rounds down mine now. I am feeling sorry for the critters this fall not gonna stand a chance !
Has anyone built one of these on a ADL or BDL long action? I have a mag bolt face L/A and i'm not keen on having a box mag hanging down there on a hunting rig.
I built mine on a Long Action. I haven't put very many rounds through it, just got it cerakoted and took it out to zero today, it seems to feed well with LA mags. I am running a McRee chassis with the 338 mags and it seemed to feed fine so far, but like i said, I don't have many rounds through it yet. I was going to shoot some groups once I had it zeroed...I had loaded a few " a little long" and ended up sticking a projectile in the lands, when I tried to eject it pulled the bullet, so that shortened my range day today! I thought I had my die set at 2.95", but when I re-measured when I got home they were at 3.045" with 139grain Scenars, need to seat them a little deeper! What are you guys running for OAL? I was going to test 139 grain Scenars and 130 grain Berger Hunting VLD's.