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#1
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Reloads?
Ok, I sat down tonight to load up some shells, I loaded 100.
For 98 of them I get this... For the other 2, I get this... I'm using a MEC9000. What would cause this? Based on the 98, I'd say the machine is fairly well adjusted. What could have happened on these 2?
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed" |
#2
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Sometimes my precrimper won’t fold the pleats correctly and if I don’t catch it before the crimper it will turn out ugly and I’ll unload that reload because I fear a wrongly folded crimp will increase psi. Some of them look like yours or worse.
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#3
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Uneven and/or split case mouths to start.
The one on the left has seen a lot more abuse than the 98 and the one on the right looks to have had a split. Garbage in = garbage out. I try to pull those out and make sure they don't make it back into my bag after firing (if they made it to the loader in the first place). They'll shoot fine. I like to roll the petals between my fingers before putting the hull in my machine. You'll often find splits this way as it "clicks".
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Palestine is a fake country No Mas Hamas #Blackolivesmatter |
#4
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><
Keep an eye on the Wad Finger, some time it will pinch and the wad coming down will deform the hull. Easy to spot when it reaches the pre crimp station.
Or the pre crimp is binding and not rotating to fit the groves on the hull. In all they will shoot just fine. |
#7
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Yeah - it happens. I get a few of those occasionally. While, as others have said, it happens with poor condition hulls (at the crimp area), it can happen with decent condition hulls as well. I am nearly certain it’s the result of the pre-crimp and the existing folds in the hull not aligning properly - so the new crimp is trying to fold the hull one way, but the existing folds have other ideas. I have seen apparently perfectly fine hulls go into the precrimp, only to have hulls like your two come out in the end.
Life’s too short to fret about it. Mark the base so you can toss them after you shoot them. |
#8
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Did pay attention to the hulls that had the fiber base & not a molded base I'm guessing the newer hulls may not have this problem. Old Federal 20 come to mind.
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US Navy Retired, NRA Lifetime member. Member CRPA |
#9
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That problem is caused by the Precrimper not rotating into proper index as the hull is pushed into it. The Precrimper floats so that it can rotate a small amount to properly index into the hulls established crimp.
When this happens it is because the Precrimpe'rs little fingers are exactly 30 Degrees out of kilter. IN other words they are exactly aligned with the high points of the crimp instead of the areas between the high points. This happened to me with .410's alot (1/10) until I figured it out. There isn't enough mass in a .410's crimp to self rotate the Precrimper if it is near 30 degrees out of position. Now I align the hull with the Precrimper when it changes stations using the ribs on the outside of the Precrimper for reference. A 12 ga. hull should have enough mass to rotate the Precrimper into index and I seldom see this problem on my 12 ga. hulls. Your Precrimper may be a little sticky in it's rotation. May need to be cleaned or maybe a small amount of lube on the pivot point. That should fix the problem. Hope this helps. Randy
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Rule #1 Liberals screw up everything they touch. Rule #2 Whatever they accuse you of, they are already doing. Rule #3 Liberals lie about anything no matter how insignificant. Rule #4 If all else fails, they call you a Racist! It's not how well you do what you know how to do,,, It is how well you do what you don't know how to do. www.buchananprecisionmachine.com |
#11
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This was my initial thought, but wanted to see if I missed something.
__________________
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed" |
#12
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You might have to shoot it, so that the crimp unfolds to see if there is a split.
I'm curious to see the outcome. I've never tried to really figure out the cause. I usually use a sharpie and right BAD or CRIMP on the side of the hull (and shoot it). The next time I reload, I'll see the marking and check to see if the hull should be trashed. |
#13
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I marked the bases with a Dykem pen, I'll see what they look like they're fired and let you know.
__________________
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed" |
#14
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I’m curious will those two shells cause a miss or a problem? Did you check the case before you shot it?
I would shoot those two until they split then toss them. IMHO it’s a visual thing not worth worrying or being concerned with. Reloading isn’t rocket science I doubt you will ever get 100 for 100 perfect visually perfect rounds. Keep it simple and have fun.
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US Navy Retired, NRA Lifetime member. Member CRPA |
#15
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When I got the machine setup it looked to be setup for a different hull/load. The precrimp was lite and the final crimp was not quite deep enough. I've been slowly tweaking it to where it is now. For the most part the finished shells look real good. The two pictured are the only ones so far with an ugly crimp. I'm not worried about firing them, was just wondering what the possible causes may be. Not sure yet if I'll be able to get out this weekend to shoot them, but the following weekend for sure. I'll let you know how it goes, and I'll take a picture of these hulls after firing.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed" |
#17
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Back when I reloaded it was mainly Winchester AA every once and a while I'd get a good buy on a case of Remington but I usually gave those away.
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US Navy Retired, NRA Lifetime member. Member CRPA |
#18
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I never see this problem on my 12 ga loaders. I have to pay attention on the .410's and align the crimp folds with the ribs on the outside of the pre crimper or else i get bit. My 410 hulls are all once fired Win AA's My 12 ga hulls are all old style Win AA's which have been loaded 6-8 times each. Randy
__________________
Rule #1 Liberals screw up everything they touch. Rule #2 Whatever they accuse you of, they are already doing. Rule #3 Liberals lie about anything no matter how insignificant. Rule #4 If all else fails, they call you a Racist! It's not how well you do what you know how to do,,, It is how well you do what you don't know how to do. www.buchananprecisionmachine.com |
#19
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Let us know if you can tell any difference when you shoot them, I couldn't.
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Never attribute to malice that which is adequately explained by stupidity. Robert J. Hanlon No more dems, rinos, commies, , pinkos, crooks, pedos, frauds, idiots, lunatics, wanna be dictators or traitors. No old fools for President from any party. The demonstrators who infiltrated the Capitol have defiled the seat of American democracy. Donald J. Trump 1/7/21 |
#20
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There isn't going to be any difference.
That shot leaving at 1100 fps is not going to know the difference if a crimp is perfect or not. They just don't look right, shoot them anyway and you could shoot them at the Grand Nationals and you wouldn't be able to tell the difference. Something that some of you might have noticed along the way, "Sometimes things don't go exactly like we wanted them to." Perfection is unobtainable. That doesn't mean you shouldn't try for it every day. Randy
__________________
Rule #1 Liberals screw up everything they touch. Rule #2 Whatever they accuse you of, they are already doing. Rule #3 Liberals lie about anything no matter how insignificant. Rule #4 If all else fails, they call you a Racist! It's not how well you do what you know how to do,,, It is how well you do what you don't know how to do. www.buchananprecisionmachine.com |
#21
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It could be the spindex hanging up, but IME a whonky case mouth to start is what gives the spindex problems, at least on 12 and 20g. I've even seen whonky crimps on factory shells. It's not gonna get less whonky by being reloaded. The one on the left definitely has more "experience".
__________________
Palestine is a fake country No Mas Hamas #Blackolivesmatter |
#22
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As suspected and confirmed here, the shells worked just as well as the ones with the good crimps. Close inspection of the hulls after firing shows no sign of any cracking.
They really don't look to bad, but they are in the trash now...
__________________
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed" |
#23
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BPI sells a tool that looks like a tapered plug that turns in a drill motor or press and reconditions the mouth of those hulls. It basically heats up the plastic and irons out the bad crimp folds.
The next time they are loaded they crimp just like they should. Randy
__________________
Rule #1 Liberals screw up everything they touch. Rule #2 Whatever they accuse you of, they are already doing. Rule #3 Liberals lie about anything no matter how insignificant. Rule #4 If all else fails, they call you a Racist! It's not how well you do what you know how to do,,, It is how well you do what you don't know how to do. www.buchananprecisionmachine.com |
#24
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I have limited shot shell reloading experience.
Dad taught me to 1/2 crimp on the 1st pull and then a full press for the second. This helps the petals get aligned with the factory pattern. Also he would only reload AA hulls
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Rule 1- ALL GUNS ARE ALWAYS LOADED Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs) Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT (thanks to Jeff Cooper) |
#25
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If you are loading on a MEC, check out the punch from vpcreatibe reloading. I picked one up last month and it works awesome. No, I am not affiliated with them, I am just really happy with the new punch I bought as it opens up the hull to allow the wad to go in really easy.
http://creativereloadingsolutions.com/ |
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