Sorting brass today, I found a handful of these in the mix. This is range pickup, not from my pistol. It looks like someone managed to get .45acp rounds to shoot in a .45 GAP. I wouldn't think the gun would have fired that far out of battery. Anyone with any other ideas?
My Buddys Mac 10 45 expands the brass the same way from the extremely loose chamber for the 1100 RPM cycle rate. There is a chance they were fired from a Old MAC These look exactly the same as all the brass I picked up from when we were shooting it.
That's not even close to what brass looks like when a round is fired out of battery. They end up extremely bulged (or ruptured) lower down near the extractor groove.
Yeah, I believe that .45 GAP would improperly headspace on the extractor in a .45 ACP but it shouldn't be swelled that much even from the relatively loose chamber of a Glock.
Something with an out of spec chamber or something that fires from an unlocked or "open" breach maybe as opposed to the locked system of the 1911?
Since the .45 ACP shouldn't go into a .45 GAP chamber there's probably something else wrong, possibly involving some ill-advised home gunsmithing or something that never should have left the manufacturer...or perhaps something unusual like the Mac 10.
I have fired a Mac 10 also. This is the way the brass looks after being fired.
I really do not know what those people were thinking about when they came up with that thing. Talk about hard to control. Even with the grip strap hanging down on the forward end of the receiver. They are still tough to hang on to. I guess that if you just have to kill everybody in the phone booth, they are just the ticket.
It's basically nothing but a bullet hose! And in the 45 is totally uncontrollable the rate of fire is way to high to control. Once you replace the upper to a slow fire upper and mount a red dot totally doffent story tho.
No firing pin wipe marks on the primers, but there is some primer extrusion back into the firing pin hole evident. I figured firing out of battery was probably a stretch, but it was the first thing that jumped into my head. The only other firing out of battery weapon I've seen was an M2 machine gun. Blew the top cover off the weapon and bowed the receiver side plates. That was a big boom.
I can certainly see where a suppressor would make a big difference. The problem being that there is no weight up front where you need it. A can would certainly balance it out quite a bit.
Unfortunately the one I fired was not so equipped. I fired one magazine out of it. And the owner asked me if I wanted to fire another one. I passed.
I built this one to look similar to he old Sionics can but with K baffles vs wipes. They double the length but like I said they are a different animal. Makes the 9mm M10 like this one a kitten.
This is a video of that one on its first test, before he insulated knurled place to hold it.
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