Help!

1847 Views 4 Replies 4 Participants Last post by John Kort, Apr 7, 2002

Hillbilly Hunter

Discussion Starter · Mar 30, 2002

I sent a 44 mag lowwall off to a 'smith to be rechambered and rebored to 50AE. While the barrel was in Mr. Dick Nickel's shop, he unexpectedly and unfortunally passed away. My 'smith, after about 6 months, found someone else to do the rebore. This gentleman did an excellent job - no tight or loose areas,and very smooth when looked into with a borescope. One problem- he rebored it to .510 (the usual "50" caliber) instead of the correct .500 for the 50AE. Can my RCBS mould be "opened" slightly to cast larger? Does anyone make a .510 that will cast a 300 to 400gr useful in a 50AE? Will the round chamber with a .510 bullet seated? (Speer gold dot 325 jacketed when "bumped up" with max loads of H-110 stablize out to 100yds- so I can at least use the barrel. My .501 Rcbs 350gr cast are end over end at 25. <!--emo&

--><img src="http://beartoothbullets.com/iB_html/non-cgi/emoticons/sad.gif" border="0" valign="absmiddle" alt='

'> ) Any help is appreciated!

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mcassill

· #2 · Mar 30, 2002

Ouch. My sympathies. You indeed have a problem. Seating .510 bullets in the .50 AE case will most likely require the chamber to be opened up - and that opens a whole different can of worms. End result would probably be a lot of split cases. Not good. I don't know that anybody sells .50AE barrel liners, but that might be worth investigating. I think the best solution at this point would be to have the rifle rechambered to .500 Linebaugh or a shorter version thereof. Not quite what you were originally after (and brass isn't the least bit cheap, I can tell you! ) but it would be the best working solution at this point.
As for moulds of the correct size, Ballisticast offers 4 different LFN and WFN designs, which can be cut for lighter weights if desired.
Good shooting
Mark

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RugerNo3

· #3 · Mar 31, 2002

I'd certainly consider the 50-70Gov't for a rechamber. Brass is available.

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Hillbilly Hunter

Discussion Starter · #4 · Mar 31, 2002

Thanks for the replys guys. I know a .510 won't chamber - I opened up a case to see. I don't know if a lowwall will chamber a round with the rim size of a 50-70 (or a 500 Limbaugh). Doubt it really. I may have to give up on the idea of cast bullets and settle for the jacketed Speer(and 3-4" groups) or spring for a rebarrel.

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John Kort

· #5 · Apr 7, 2002

Hillbilly Hunter, sorry to hear of your dilemma. The chambers could be opened up to the proper diameter so that the .510 bullets will fit. Another option would be to reduce the case neck thickness slightly so that a .510 bullet will chamber.

How about a hollow base .500 diameter bullet? That would probably work, but would require another mold.

As for machining your mold to the proper diameter, you could take it to a machine shop to see what the cost would be. Better yet, if you know someone with a lathe ...........

You could bump the bullets from the mold you have easily enough. I bump bullets .007" for my .44 W.C.F. because it has a larger than normal bore. Accuracy is very good with them at 1250 f.p.s.

I made an aluminum rod to fit inside a fired cartridge case. The rod is a few thousands under the inside case diameter and its length extends from the bottom of the case to the base of the bullet at its normal seating depth. I put the case / rod / undersized bullet into the bullet seating die. The seating die punch can then be adjusted to give the right amount of bullet upset.

This will only work if there is enough room in the seating die / case for expansion to the proper diameter.

Just a thought.

Good Luck,
John
aka w30wcf
aka Jack Christian SASS 11993 "I can do all things through Christ who strengthens me." Philippians 4:13

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