311284 in the 303 British?

travis3

March 10, 2011 13:09

Does anyone use the Lyman 311284 in the 303 Brit.? as I have a NO 1 MK 3 I would like to try it in.

Comments

7 comments

bpost

March 10, 2011 13:24
http://castboolits.gunloads.com/showthread.php?t=103520

Has some good info for you.

Have you slugged the bore yet?
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travis3

March 10, 2011 14:47
I have been to castboolits thanks. Bore measured .3135
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rusty3040

March 11, 2011 01:11
311299 should work much better,
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travis3

March 11, 2011 07:44
I an borrow a Lyman 311284 cannot afford a 311299 at this time.
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jonk

March 11, 2011 08:39
You might need to 'beagle' that mold... again, look on cast boolit forum.

A 314299 would be a real treat for that bore diameter.

If you are interested, I'd be willing to send you a sample pack of a dozen or 2 gas checked and lubed, ready to go.
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travis3

March 11, 2011 12:12
I have thought about beagleing the mold. Have you tried the Lee 185gr .312 mold? I can borrow this one from a cousin. I sent you my address my seperate e-mail. I would love to give them a try.
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jonk

June 10, 2011 05:11
The Lee .312-185 mold drops (for me, with mine) at around .313" using wheel weight metal with 5% tin added.

The bullets I sent you were sized to .314". You could slug your bore and measure it (I'd advise it) but if you want to try that mold as things sit, and run through a .314" sizer, you probably wouldn't hurt much. Worst case is you get a little leading, easy enough to scrub out in smaller amounts with steel wool (OOOO) and a worn bore brush.
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