I'm getting ready to order up a 1-8" twist 416 blank for this project. Should be fun!
Target/ELR 375 HE..
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I'm getting ready to order up a 1-8" twist 416 blank for this project. Should be fun!
Just Asked about 408 HE we'll make some of them as soon as
bunch 416s done, just make extra insert for neck die.
We'll Make hydro die, and use that to get exact, accurate specs
to reamers guys, Should get over 14% more speed than CT.
This getting interesting. Reaming out CTs....Ed
bunch 416s done, just make extra insert for neck die.
We'll Make hydro die, and use that to get exact, accurate specs
to reamers guys, Should get over 14% more speed than CT.
This getting interesting. Reaming out CTs....Ed
About using hydrodie. I have case .005" out the bottom,
with belt of case up against bottom of die.
I made sure that I got max forming ,
then if it didn't stretch out to eliminate the donut effect, I adjusted the
base bushing down .015, and redo it, did that again at .010 and got
them looking right, when we sectioned them. Then we reamed hydrodie
and test gun chamber and they worked. Got accurate measurements
and they are at reamer guys. Ed
with belt of case up against bottom of die.
I made sure that I got max forming ,
then if it didn't stretch out to eliminate the donut effect, I adjusted the
base bushing down .015, and redo it, did that again at .010 and got
them looking right, when we sectioned them. Then we reamed hydrodie
and test gun chamber and they worked. Got accurate measurements
and they are at reamer guys. Ed
D
Deleted member 46119
Guest
I got my resize reamer today.
Also got some of Ed's Hydro Formed cases and my sample case that he then ran through the Hydro Form Die. They measure perfect to his last drawing and the resize reamer.
My chamber reamer is at Manson. I don't have an ETA yet.
I'm machining my Hydro Form Die. After it's made I have a job to do then it's time to pull the barrel off the action and start fitting the 375 Barrel. By then the chamber reamer will be in and off we go..
Then to make the resize die. The CheyTac seater seems to work but I'll need to do some checking.
Also got some of Ed's Hydro Formed cases and my sample case that he then ran through the Hydro Form Die. They measure perfect to his last drawing and the resize reamer.
My chamber reamer is at Manson. I don't have an ETA yet.
I'm machining my Hydro Form Die. After it's made I have a job to do then it's time to pull the barrel off the action and start fitting the 375 Barrel. By then the chamber reamer will be in and off we go..
Then to make the resize die. The CheyTac seater seems to work but I'll need to do some checking.
On the hydrodie when I adjusted the base bushing down and got
them looking right, we then reamed hydrodie to match length gained
and screwed base bushing back and the die was set. Then reamed
test gun chamber to match and they worked when fired.
I have my special reamer so I can ream separate of the belt to get
all the stuff right. Then another shorty reamer does belt. We gained capacity,
extra length to the shoulder, and about .010" more case length, so case
is longer than other 375s, and cases sectioned, fired few times
show no stretching., Ed
them looking right, we then reamed hydrodie to match length gained
and screwed base bushing back and the die was set. Then reamed
test gun chamber to match and they worked when fired.
I have my special reamer so I can ream separate of the belt to get
all the stuff right. Then another shorty reamer does belt. We gained capacity,
extra length to the shoulder, and about .010" more case length, so case
is longer than other 375s, and cases sectioned, fired few times
show no stretching., Ed
Lee in Texas
Well-Known Member
360gr solid @3600fps?
Wow. What barrel length and twist?
What powder and how much?
Wow. What barrel length and twist?
What powder and how much?
Still experimenting on powder due to what is available in volume
so guys can get it. Able to get all they need. 190 gr powder, speed 34 inch barrel,
One to ten twist, will have to have faster twist for 2 mile and heavier bullet,
this is not target barrel. Will test up to 400gr.
By April loads will be all figured out and know where
to get powders in good volume, These bullets have shortened boat tail
and are bore riders and out in long freebore. Just good speed because none
of the bullet is down below neck, so that pressures stay right.Ed
so guys can get it. Able to get all they need. 190 gr powder, speed 34 inch barrel,
One to ten twist, will have to have faster twist for 2 mile and heavier bullet,
this is not target barrel. Will test up to 400gr.
By April loads will be all figured out and know where
to get powders in good volume, These bullets have shortened boat tail
and are bore riders and out in long freebore. Just good speed because none
of the bullet is down below neck, so that pressures stay right.Ed
Reason I showed cases together is I expect that half
the guys in top ten of 2 mile shot will be shooting something based
on our 585 HE necked down. Our tests are showing the highest
speeds of any 375s, and hopefully many bullet designs keep up for
what is needed for 2 mile. With them trying to get G7 BC over .550 ..Ed
the guys in top ten of 2 mile shot will be shooting something based
on our 585 HE necked down. Our tests are showing the highest
speeds of any 375s, and hopefully many bullet designs keep up for
what is needed for 2 mile. With them trying to get G7 BC over .550 ..Ed
