Automag III light primer strikes |
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Pantera Mike 
Callahan's Auto Mag 
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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 Posted: 27 Jul 2025 at 5:08am |
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Wow, excellent eye! As a matter of fact my oddball magazine is slightly longer front-to-back and doesn’t fit properly in the gun, requiring considerable force to both insert and remove from the frame. I assumed it was just another example of legendary AMT quality control. It does function, although I seem to recall having some issues which are almost certainly confined to this magazine.
My gun came with two magazines and I bought a third from a forum member. It turns out he has a 9mm Win Mag gun and got his magazines mixed up. There was a 30 magazine in the box with his 9mm gun, and I got his 9mm magazine by mistake. A trade is underway and soon all will be right with the world. Thanks for notiicing and speaking up!
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 29 Nov 2025 at 6:10am |
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Minor update—a couple of days ago I put a crowbar in my wallet and sprung for a box of factory 30 Carbine ammo, to use as a diagnostic tool. I may have damaged the firing pin hole in hundreds of rounds of brass during my last reloading cycle (long story I won’t bore you with here) which perhaps may have accounted for my issues.
I will try to get to the range next week to test it out and will report back.
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AMT addict
International Auto Mag 
Joined: 05 Jan 2024 Location: Oklahoma Status: Offline Points: 152 |
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Posted: 30 Nov 2025 at 5:03pm |
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Can you clarify? You might of damaged the flash hole between primer pocket and powder in your brass or damaged firing pin hole of the gun? I feel like you are talking about on your brass but read it several times and just
wasn't sure.
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 30 Nov 2025 at 5:46pm |
I was trying to take a shortcut in my reloading process and using a RCBS lube die instead of lubing cases by hand. The decapping pin kept getting caught on the edge of the primer hole and I broke several pins. I now think I damaged a bunch of cases in the process and I think maybe the primers aren’t seating properly leading to misfires. I’m also getting misfires in my M1 carbine which never happened before. I have squillions of pieces of 30 M1 brass, most of them loaded at the moment. As I use the rounds, I am going to carefully resize and deprime them the old-fashioned way and will discard any that are anything other than perfect.
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Luvz2Shoot
Callahan's Auto Mag
Joined: 16 Apr 2011 Location: Washington Status: Offline Points: 660 |
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Posted: 01 Dec 2025 at 1:46am |
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What dies are you using? RCBS?
I ask because I was snapping pins in one of my RCBS dies. I think it was for a 308. Doesn't make a difference..... I called RCBS and mentioned that I kept snapping pins because they didn't seem to be lining up with the primer hole. (Sounds very similar to what you may be going through). RCBS sent me a new decap unit and a bag of 10 pins for free. The customer service is amazing! Maybe give them a call and see what they say? Who knows, they may send you new replacement parts. It really does sound like it's off center ever so slightly. Peace, my friend! |
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If you were happy and you knew it, would you clap your hands?
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 01 Dec 2025 at 6:40pm |
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Thanks for the advice!
I was actually trying to use a RCBS lube die (a dedicated die for lubing small bottleneck cases like .223) in an application it wasn’t designed for. Totally my fault. But you’re right about RCBS!
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 04 Dec 2025 at 2:19am |
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I promised an update ASAP. I finally had a free day today and even though the winds were howling, I was determined to conduct an experiment using factory ammo (it happened to be Aguila), and I’m happy to report it ran like a train with not one single misfire.
So the good news is, there’s nothing wrong with my gun. The bad news is, my reloads suck. I don’t know how many cases I damaged, but it’s a bunch. I will slowly shoot them, gritting my teeth at the inevitable misfires, and then after resizing and decapping I will carefully inspect each of them and likely throw away hundreds of them. 🤬 But under the circumstances this news is good!
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 04 Dec 2025 at 2:23am |
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Obligatory photo:
 PS and a shameless plug—my magazine loader tool (still available on ebay) works fantastic too!
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AMT addict
International Auto Mag
Joined: 05 Jan 2024 Location: Oklahoma Status: Offline Points: 152 |
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Posted: 04 Dec 2025 at 4:40pm |
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It doesn't sound like you will be 30 carbine brass poor if you have to trash some but you might give my thought a try before you trash them. Take say 10 of the rounds that you either have to rehammer to fire or just will not fire. Pull them apart if you have to, process them. If you do not see any clear damage that looks like a concern, load them again with small pistol primers and look in your load data book for 30 carbine in the pistol section. Load up 8 to 10 and run a mag worth through your flame thrower and see if you have 100% fire rate. Then inspect primers and see if they show any concern. I know this would not help with your rifle miss fires but it might bring a
 to your face if it saves you from throwing brass out.
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 04 Dec 2025 at 10:32pm |
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Thanks!
Yes I will break down all my misfires and process all the cases at the same time as the ones that worked. I will save the good ones and toss the bad ones, even if they happened to work okay. I’ve probably got well more than a thousand pieces of brass (most loaded at the moment) so even if I wrecked half of them through my own buffoonery, I will still have plenty.
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AMT addict wrote: