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.303 brit Brass? (Read 5806 times)

luvmy40 KCA Forum Member Offline Krag Enthusiast! Posts: 17 Location: Youngstown, OH Joined: Jun 28^th, 2015 Gender:	.303 brit Brass? Jun 28^th, 2015 at 1:40am	Print Post
	Has anyone tried resizing .303 British brass for the 30-40? It looks like it should work but I haven't tried yet. I have a metric crap ton of once fired .303 brass but my stockpile of 30-40 is almost non existent.

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Parashooter KCA Forum Member Offline Kragmudgeon Posts: 514 Location: Connecticut Joined: Feb 4^th, 2010	Re: .303 brit Brass? Reply #1 - Jun 28^th, 2015 at 4:55am	Print Post
	Works fine. A tad short, but no big deal.


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butlersrangers KCA Forum Member Offline Krag Enthusiast! Posts: 6330 Location: Michigan Bi-Peninsular&Proud Joined: Oct 7^th, 2009	Re: .303 brit Brass? Reply #2 - Jun 28^th, 2015 at 12:55pm	Print Post
	'luvmy40': Is your .303 brass Boxer primed or Berdan? If you have military cases, they will most likely will be Berdan. Berdan cases are reloadable, but, require different de-capping techniques. Correct size Berdan primers are also harder to obtain. It would also be good practice to anneal Case Necks before converting .303 British cases to .30-40 Krag.


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luvmy40 KCA Forum Member Offline Krag Enthusiast! Posts: 17 Location: Youngstown, OH Joined: Jun 28^th, 2015 Gender:	Re: .303 brit Brass? Reply #3 - Jun 28^th, 2015 at 2:13pm	Print Post
	all my .303 brass is newer manufacture and re loadable. Thanks for the confirmation.

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usmc73 KCA Forum Member Offline Krag Enthusiast! Posts: 4 Joined: Jun 7^th, 2015	Re: .303 brit Brass? Reply #4 - Jul 10^th, 2015 at 2:46pm	Print Post
	I am about to do the same with my krag.I have sent the Remington made 303 British brass through my resizer and loaded 3 cases with Hornady 180gr Spire points.39grs of IMR-4320,and CCI-200 primers.OAL is 3.080"The brass is new and I am looking forward to trying this load out.Will report the finding when I am done.Good luck!


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Parashooter KCA Forum Member Offline Kragmudgeon Posts: 514 Location: Connecticut Joined: Feb 4^th, 2010	Re: .303 brit Brass? Reply #5 - Jul 10^th, 2015 at 4:32pm	Print Post
	usmc73 wrote on Jul 10^th, 2015 at 2:46pm: . . .Hornady 180gr Spire points.39grs of IMR-4320 . . .Good luck! Luck may be needed with that load. Here's IMR's pressure-tested data - .30-40 KRAG WIN. CASE; WIN. 8 1/2-120 PR REM. 180 GR. SPCL .308" DIA.; 25.5" BBL.; 3.00" C.O.L. Powder Charge Vel. Pressure CUP IMR 4320 35.5 2210 38100 (You need to *Login* to view media files and links) Many handloaders would be disinclined to start 10% higher than the powder manufacturer's maximum.


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madsenshooter KCA Forum Member Offline Krag Enthusiast! Posts: 1079 Joined: Sep 10^th, 2009	Re: .303 brit Brass? Reply #6 - Jul 13^th, 2015 at 5:54am	Print Post
	My old Sierra manual goes well above that, up to 42.4gr. I see their newer one does too. Hornady 3rd goes up to 40. 4320 was one of the first powders I worked with. I wound up kicking the bolt of my Madsen open because the data I used was developed in Winchester brass, but I was using GI brass. And, I didn't start low & work up, just picked a number a couple steps below max. Not enough numbers below, it turned out.


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