Can you trim primed brass




















Ruston, Louisiana. I would not tumble loaded rounds for this reason, with some powders you will wear small flecks off of the powder granules and create powder dust and you might change the burning characteristics of the powder. In other words you might end up with a slightly faster burning powder that may generate higher pressure than you may want. My vote would go with the polishing wool. If there were any signs of corrosion on the interior of the cases, I would knock the primers and clean the cases any way you want to.

I would not worry with saving the primers, I say that because I know people that use to save live knocked out primers and reuse them. A practice that I don't even want to think about. Good shooting, Marcus. Joined: Nov Are you sure you want to deprime live primers? I have done a few, with never a mishap, but with a greatly increased pucker factor each time I did it. I finally decided that the fear of one going off was not worth it. I am a firm believer in if there is a way for something to go wrong, sooner or later it will.

If the inside of the case is clean, then I would just clean the outside as suggested above and load the cartridges normally. I don't know of a way to make sure all the tumbling media is out of the flash hole, if you decide to go this way. Never had one go off, but I always wear a face shield, gloves, ear plugs, and use to wear forearm guards turned around to protect the inside of my arms.

I have inherited many of my Dad's friend's reloading stuff before or after they have passed away and have incorporated a lot of their brass, dies, presses, and a few of their guns along with my loading and hunting hobby. Garrett died for nothing because rats had gotten into the brass and set up house keeping and raised a family.

It was all primed brass and other than rat pee and dust it was fine. I used a Lee tool, a plastic hammer, drilled a hole into a 2 by 4 and set the base in the 2 by 4 put it over a 5 gallon bucket with about a gallon of water in it and knocked out live primers for days.

Then I took the brass and ran it in a display dishwasher and it was ready to use. But, I would agree with you one will go off sooner or later, but I have set them off on purpose just to see how much they will do and it was not as much of a pop as I had expected.

I will state I do not recommend this as an everyday practice, but I do it when I need to. Originally Posted by bobski. Joined: May East of Eden SD. I use the Lee Precision Three Jaw Chuck and Case Spinner Stud chucked in a cordless drill with 00 steel wool to clean loaded ammo and exceptionally dirty brass.

Goes fast. Don't see any reason why it wouldn't work with primed brass. The key elements in human thinking are not numbers but labels of fuzzy sets. Zadeh Which explains a lot. Marcus: I haven't deprimed near that many, but I have deprimed a few, and never had one go off. It is just the fear of what might happen every time I do it that makes me nervous, and the reason I don't do it any more.

I do not like to waste anything, but now I fire them in tmy rifle. Cuts down on the anxiety. The ones I deprimed, I used the full length sizer and decapping rod. With the end of the die being closed by the decapping rod, whatever pressure it puts out is going to come back through the primer pocket, blowing the primer out.

I laid a thick cloth over the press, but the primer could still come back out through the slot for the primer arm, with enough force for the cup to penetrate your skin, if your leg was close to the slot. Your way sounds safer. I had a large quanty of shotgun shells that were messed up for one reason or the other. I cut them open and salveged the shot, wad, and powder, but I didn't want to mess with the primer.

I had a 55 gallon steel barrel that I used to burn trash in. I built a hot fire put some primed shell bases in the barrel. Where I did it, even if a battery cup came out the top of the barrel, there was nothing around for it to hurt, and I don't think it would have enough force to penetrate the sides of the barrel.

I didn't put but four or five in the fire at one time, so I could count them as they went off, then after the last one, I would pitch four or five more into the barrel. I did it this way so I would know when they all fired. I didn't want to accidently leave a live one in there to go off while I was burning trash, and perhaps looking into the barrel.

Originally Posted by Marcus. They are louder and some shrapnel can get away, don't ask how I know. You can do the same thing by laying one on top of a bench vice and hitting it with a hammer. Better than the concrete floor, because you don't have to bend over.

Or, your wife can suck one up into a vacuum cleaner if you load in a spare room with carpet. Not only does this produce a loud bang, it also produces enough mouth to last a lifetime. It might have been a. I'm not sure. I am sure about the mouth, though.

Don't ask how I know. GA, USA. God, Family, and Country. Will do. From what I've read there is case thickness and throat tolerances to be concerned about. Again, I didn't know if it was a safety concern or a precision decision.

The only downside I've found to decapping crimped primers is they get too deformed to reuse. The cup diameter narrows and they have no pocket tension. Totally agree with MarkM - load it and shoot it.

Our bolt gunsmith encouraged us to run out to 1. He said it'd make for more accurate ammo. Amen - the reloading books all quote very very conservative numbers so any neophyte won't inadvertantly crimp his case neck into the bullet while chambered - it really is ridiculous how much they advise to trim. Same same with load data - for shits and giggles look at OLD reloading manuals to see how far the books have backed off on loads - especially prevalent in handgun data.

It's a shame too. People won't take the load max data serious when you nerf it. I don't recommend newer loaders do this I just wanted to update the thread. My WTF came today. I ordered it on Wednesday afternoon on amazon. That thing is a dream. The only reason I'm here writing this is I drained two 18v dewalt batteries. I never experienced this with my old lee trimmer. My hands would give out and cramp before I got through one battery. I want to thank everyone for your help! I trimmed to 1. Did about of them.

My ready to load bin is looking very good. I hope I never get primed brass ever again. I didn't like how some of the case necks were smushed. I threw out some that I know a resizing die would fix. Thanks everyone! I'll take that perfectly usable primed brass off your hands. Maybe already covered: One reason the cases may have measured long could be the result of the primer. Always best to measure case length sans primer fired or live. Could be just enough primer material exposed to mess with your calipers.

But knowing me, I also might have lightly lubed the necks and ran them through a backed out and seldom used Dillon trim die - no trim motor. Just to tweak the necks - and only because I already have one in a spare tool head.

Better with some extra tension than not enough the Dillon trim die takes case necks down a little more than standard Edit: Worst case scenario, there is a Giraud case trimmer in the garage that can solve any such problems in a heartbeat. Food for the future. Don't toss new brass with dented case mouths unless they are badly damaged.

I have loaded new brass that required straightening the case necks and it worked just fine. Max for. Sucks for you but get it done. If you must deprime to do it- do it! Depriming live primers is not an issue, been doing it for many years never had a problem. Jez-Louise - my point that you don't want to understand is: 1. He won't reliably know the case length unless he decaps the live primer first - at least on a few samples. Been there done that, btw. And it's not a big deal as has been mentioned by several.

Just use some common sense - with eye protection being the first of several. And point number 2 - If you reload especially on a progressive , you will see high primers from time to time. The Huge Difference is in one that will A : cause a stoppage or worse and should not be loaded in a firearm - assuming you even see it first ; and B : one that's a blond one high and can be fired rather than scrapped.

Of course it's anyone prerogative if they want to be so safe they never cross the street. Would suggest getting a Sinclair Chamber Length Gage Insert to determine the length of [U]your[U] chamber and trim your cases accordingly.

You will likely find. I'm only using this on 'blaster' ammo. Let me enlighten you 1. I'm glad the op took the good advice an trimmed his cases.

Atleast he'll know there little chance he'll hurt his gun or himself with some of the bad advice given. That's the closest I could get the trimmer adjusted. Man that thing works like a charm. I'm glad I had 3 dewalt 18v batteries and 2 chargers.

I was hammering through them. I didn't want to go through rounds wondering "what if this cartridge is the one" lol. I don't quite have enough experience yet to know what needs to be done for safety and what needs to be done for just accuracy just yet so I kinda take every process very seriously. No one I know reloads so The Internet is my only mentor. One day I would like to experiment and get that perfect load set for each gun but right now, I have a very few recipes and they work so I don't stray away from those.

One of those things is case length. I've only used cases trimmed to 1. Lol Plus, this site has gotten me to buy pretty bcm rifles so I don't want to put e fuel in them so to speak. Thanks everyone for leading me to do things right! Black hills has sold gazzilions of rounds of ammo ridiculously beyond the 1. Ideally, YES. Search titles only.

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You should upgrade or use an alternative browser. Looking for some advice here chaps. I have assembled about 40 rounds of. I assembled these with a Lee Loader as in the type you hammer the brass into using once fired brass, and loaded with grn Hornady interlocks.

The OAL for each of these is 2. I trimmed and chamfered all of my cases before neck sizing, priming, charging and bullet seating each one individually. I am planning to pull the bullets. Should I attempt to de-prime the cases once I have done so? Should I just attempt to use the de-priming pin and knock the still live primers out. If I do this without causing detonation, can the primer be re-used at under 4p a pop, should I care weather or not the primer can be re-used?



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