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Of course after that long technical post I re-read the title and realized you wanted super-sonic loads.

Still 1680, 4227 though.

nice!!

1680 and h116 works in my ar with the same boolit down to about 900fps. I used some data 68 to but had some un-burnt powder. I am using a carbine length tube adj. gas block. I use a cavalry arms...

yeah sorry, I went to school in the ozarks.

1.69" so yes, pretty much right at the shoulder

The good thing about most (50%+) in-experienced, mocho people that are properlly embarassed at the range by someone who clearly knows better will either think things through and learn before...

I was mostly wondering about the bore ride section. I can fix the reamer design to acomidate whatever bullet I want, if I have to. I should have about 1" extra magazine length. The case isnt botle...

its going to be a 10mm mag in a ar-15, with a long oal. Ill be running mostly sub-sonic 950-1050fps.

case length is 1.245-1.255 with about .8" of "neck"

Im thinking of having a mold made for very heavy .401 boolits. Somthing like the
Lyman #410660 40 Caliber (406-410 Diameter) 385 Grain Semi-Pointed but in .401. For my 10mm mag

my options are...

bullshop,

It is about .4" short for the razorback when using bmg bullets, but it would probably work with some .510 hunting bullets. The only problem is, the .338 savage is $2000 before you put a...

the reamer for the sub-sonic mag fed .510 is on its way:bigsmyl2:

those look nice. I plan to make my own though. I may try a few to start out.

Ive run across the cyrus before. Very nice. It was one of many inspirations. I just wanted to feed it on the cheap.

JFE was that a .500 or a .510? Big difference in bullet selection there.

bumped

.50 razorback

yeh, I was suprised too. Ive only shot a couple groups with it so far though. Could be luck. I am working on a shorter version that will cycle in a long action savage. I already know what brass I...

900 yard is the farthest Ive shot it but 100 is the farthest I shot a group. .78" from a bypod if I remember correctly. Im no marksman though. Cuts through steel like butter too.

Im using 73gr...

please pm me for specifics. I really dont want all my info floating around on the internet quite yet. I dont mind answering you guy individually but I dont want just anybody having access to all of...

good show. any RUM but .338. The shoulder is about .050 lower.

I designed the round myself and had a reamer custom made. It is single shot, as the round is too long for the action. Ill be...

I built it on a savage action. Im getting a consistent 2115 fps with 649gr M8 API projectiles out of a 25" barrel, and sub MOA accuracy. Parent case is less than $1 each.

ballistics calculations...

sounds like a personal problem.

Of coarse I only read the title.

thats cool, just pm me when you get around to it, Ill let you know if I find some before that.

Thanks

so this has been done before? Good to know. I may try to bum a few off someone here if I can.

You wouldnt have any you would sell me do ya Jim?

hey thanks, thats half of it, but whats the length from the crimp to the nose?

Im thinking of trying it in my .30 carbine. Also, what the OAL.