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[Surplus Rifle.Com's New Article:]
Slug, Measure, & Match: Using the Right Bullet for the Right Barrel Diameter
By Mark Trope & R. Ted Jeo

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more blank stuff

Author	Comment
jwr747	more blank stuff	Lead	[-]
Posts: 137 (07/07/09 02:42 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts Report Post	Tags : None this is 30-06 blanks,we talking about. most of the stuff,probably 3000 pieces of brass had the red top wad with a heavy roll crimp.once shot and cleaned up shows no difference than LC ball ammo.all measurements on the brass are the same as LC ball.water volume is same as LC ball.head stamp is the same.only difference I can see is the neck doesn't appear to be annealed.if this stuff was left at a range I couldn't tell it from ball ammo.how does one tell "ball brass" from "blank brass"???. thanks again. jwr
richp41		#1	[-]
Posts: 1444 (07/07/09 02:49 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts Report Post	Fired ball ammo will have no crimp and fired blank ammo will still have the heavy rolled crimp. Firing does not smooth the crimp out in a blank case. Rich P
jwr747		#2	[-]
Posts: 138 (07/07/09 03:54 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts Report Post	ok,makes sense.now,dear ole dad processed a ton of this stuff.total of about 7000 pieces of brass.about 3000 pieces sized, trimed, deprimed and re-primed.the rest is in various stages of prep for reload.probably 800 pieces still have the crimp. some of the stuff with the LC headstamp looks like new un-primed brass.boy I sure do HATE scrapping out un-damaged brass.further study is needed,may make up a few thousand 30-06 "snake loads". jwr
Trapdoor 4570	Blank '06 brass	#3	[-]
Posts: 122 (07/07/09 10:11 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts Report Post	There is a big difference between '06 and 7.62 NATO blank cases. The NATO case is special made and the ability to safely contain high pressure was not a factor. The '06 is an entirely different story. There were two sources of brass used in the production of M-1909 blanks. The first was brass rejected for use in ammunition production. The second, and much more common, was once fired brass. Look at the primer crimp, I have noticed that the crimp on most of the cases I have had is wider and a little deeper. The original crimp had to be removed to re-prime the case, so the second crimping was much more robust. The cases probably will still show faint signs of the original case expansion at the junction of the case head and side wall if held so that the light reflects off at a low angle when observing into the light. As to no discoloration from neck annealing that would have been removed during cleaning, if memory serves me they were tumbled then boiled in dilute sulfuric acid with Potassium Bicromate added to tone down the harsh polished color of the brass. I found that the normal expander would crush the neck in, but I found a tapered expander that would not crush the neck during resizing if some case lube was applied to each case mouth. After a few reloadings the marks on the case neck are very faint. I personally would not use any full power load in a blank case. The possibility of the case being a second or more likely being it was fired in a Browning MG, the Brownings had a reputation for being very rough on brass. I personally have loaded a lot of '06 blank brass years ago for mid-range and cast loads. And have been recently converting some of it to 7.92x57. I found later that my '03-A3 would shoot out most traces of the crimp if fired vertically. I still remember a fun filled and noisy day at the range in my teen years removing the crimp from many hundreds of blanks and emptying out the ammo can they came in, back then blank ammo had almost no value except around the 4^th of July.

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