Range Report
- Thread starter fiver
- Start date
fiver
Well-Known Member
yeah,, and it's in the wrong section. [meant to go in the testing section]
I would de-rate my secretary but you can't go lower than nothing on the pay scale. LOL
so I finally got out to shoot this afternoon... barely.
the pistol range is under 4' of water and going past the 100yd. berms is not gonna happen.
so what I done today was a 308 load with the XCB bullet at 100 yds.
I'm using a fairly heavy case marked HXE on the head stamp, WLR primers, and 38/38.5 grs of IMR-4064.
I set the neck tension at .309 and sized them to .310.
then seated the bullets out to engage the rifling and used the camming action of the bolt to do the final .0015 seating of the bullet into the case.
through the 30" 10 twist barrel these should be running along pretty quick, 2400+ and probably closer to 2450 fps.
there was no chance of setting up the chronograph in the wind, it would have just tipped over.
you can obviously see how the wind was affecting the 2-5 shot groups pushing them hard to the left.
[picture 1 and picture-4 in the first post]
the picture in the second post is how a clean barrel reacts to it not having any lube laid down, and the top right of that pic is a 3 shot group from the Ruger with some home swaged and bonded bullets I have been working on.
the other 2 pictures are after I settled in a bit and shot the 2-10 shot groups.
the 38.5 group has one hole just at the bottom of the pic you can't see and I can only count 9 shots so there is either another one in that group [big hole] or it flung off into outer space somewhere.
the 38gr group speaks for itself.
I can't get the scope to adjust any lower so they are all 3-3 1/2"s above the aim point.
as I explained in another thread this is the start of a work up.
I will push the 4064 a bit further.
then step to another slower powder to see what happens, and then another slower powder.
keeping everything else as close to the same as possible.
I would de-rate my secretary but you can't go lower than nothing on the pay scale. LOL
so I finally got out to shoot this afternoon... barely.
the pistol range is under 4' of water and going past the 100yd. berms is not gonna happen.
so what I done today was a 308 load with the XCB bullet at 100 yds.
I'm using a fairly heavy case marked HXE on the head stamp, WLR primers, and 38/38.5 grs of IMR-4064.
I set the neck tension at .309 and sized them to .310.
then seated the bullets out to engage the rifling and used the camming action of the bolt to do the final .0015 seating of the bullet into the case.
through the 30" 10 twist barrel these should be running along pretty quick, 2400+ and probably closer to 2450 fps.
there was no chance of setting up the chronograph in the wind, it would have just tipped over.
you can obviously see how the wind was affecting the 2-5 shot groups pushing them hard to the left.
[picture 1 and picture-4 in the first post]
the picture in the second post is how a clean barrel reacts to it not having any lube laid down, and the top right of that pic is a 3 shot group from the Ruger with some home swaged and bonded bullets I have been working on.
the other 2 pictures are after I settled in a bit and shot the 2-10 shot groups.
the 38.5 group has one hole just at the bottom of the pic you can't see and I can only count 9 shots so there is either another one in that group [big hole] or it flung off into outer space somewhere.
the 38gr group speaks for itself.
I can't get the scope to adjust any lower so they are all 3-3 1/2"s above the aim point.
as I explained in another thread this is the start of a work up.
I will push the 4064 a bit further.
then step to another slower powder to see what happens, and then another slower powder.
keeping everything else as close to the same as possible.
fiver
Well-Known Member
the 38.5 seemed like it was shooting better but showed a little vertical stringing.
I'm positive some of it was me getting reacquainted with the rifle.
I was trying to settle it into the shoulder pocket and shoot a bit sideways because the bench is set a little low.
I got another pad and got in behind the rifle better for that last 38.0 group.
the 2-5 shot groups are 38.0 but I bumped the nose a bit flat pushing them through the sizer, they might have shot better but the wind was stringing them pretty badly.
I hung around and done some shooting of some swaged bullets in the other rifle hoping for a better window, and as soon as it calmed down a titch I jumped up and grabbed the cast rifle and got the bullets down range pretty quickly.
I got a few strange looks from the other guy's there but once I explained what I was doing they were like ahh, okay.
I would imagine someone with quick load could predict the velocity's a bit better.
my book shows the 2400 with a little heavier bullet and a 4" shorter barrel.
I'm positive some of it was me getting reacquainted with the rifle.
I was trying to settle it into the shoulder pocket and shoot a bit sideways because the bench is set a little low.
I got another pad and got in behind the rifle better for that last 38.0 group.
the 2-5 shot groups are 38.0 but I bumped the nose a bit flat pushing them through the sizer, they might have shot better but the wind was stringing them pretty badly.
I hung around and done some shooting of some swaged bullets in the other rifle hoping for a better window, and as soon as it calmed down a titch I jumped up and grabbed the cast rifle and got the bullets down range pretty quickly.
I got a few strange looks from the other guy's there but once I explained what I was doing they were like ahh, okay.
I would imagine someone with quick load could predict the velocity's a bit better.
my book shows the 2400 with a little heavier bullet and a 4" shorter barrel.
Ian
Notorious member
With just the basic info and no way to predict the shot start initiation pressure with you hard XCB bullets parked hard against the ball seat, you're just under and just over 2400 fps with the two cast loads. Didn't someone tell you that it's against the rules of the universe to grab a handful of old military brass, stuff some ordinary bottom-poured cast bullets in them, and put ten into 1.5 moa in the wind at 173,000 RPM?
I guess you weren't listening either.
I guess you weren't listening either.
fiver
Well-Known Member
last time I posted pictures and load details I got into an argument.
I remember being there pulling the trigger and reading the numbers on the LED screen at 10'
I figured I better get it together enough to throw some stuff down in the dirt instead of just talking about it.
side's that I got enough shot shells loaded to make it through the summer I need something else to do.
I remember being there pulling the trigger and reading the numbers on the LED screen at 10'
I figured I better get it together enough to throw some stuff down in the dirt instead of just talking about it.
side's that I got enough shot shells loaded to make it through the summer I need something else to do.
Ian
Notorious member
here's what QL suggests, should give you an idea. The default for cast(even rifle), not jammed, is 1,160 psi. I think you're probably pretty close with your estimate considering the diameter disparity compared to jacketed bullets, and the resistance to flow of the alloy you're using.
35 shooter
Well-Known Member
Nice fiver, very nice! I'm betting with that kind of shooting the "lost" # 10 bullet is indeed in the big black hole cluster, or the one just to the left of that looks a bit enlarged.
That 38 gr. load is definitely off to a great start. Both loads look good for that matter.
That 38 gr. load is definitely off to a great start. Both loads look good for that matter.