reconbob Posted June 23, 2020 Report Share Posted June 23, 2020 Doing an M1 gun build. Standard routine. Test fire, then disassemble andblue, and reassemble and final test fire. My guy forgets to put the extractor onthe bolt. Gun fires, and we think all is ok except doesn't eject. Put extractor onbolt. Test fire and now gun does not fire and cartridges almost chamber but notfully. Turns out the cartridge case from the first round blew back enough to clearthe chamber and must have hit the ejector and flipped around and the bolt shovedit fully into the chamber with the bottom of the case first. So the following roundshad the bullet shoved into the mouth of the empty case which was now acting asa chamber. Easy fix once we realized what happened, but who would have thought... Bob Link to comment Share on other sites More sharing options...
jim c 351 Posted June 23, 2020 Report Share Posted June 23, 2020 Bob,I guess you were lucky you weren't using an M1A1 bolt or the cartridge may have fired out of battery.Jim C Link to comment Share on other sites More sharing options...
TSMGguy Posted June 23, 2020 Report Share Posted June 23, 2020 If it can happen, it will. Murphy's law in action! I'll bet you never saw this particular failure before, and never see it again. Link to comment Share on other sites More sharing options...
ppgcowboy Posted June 23, 2020 Report Share Posted June 23, 2020 Thunk would be more appropriate. Who would have thunk. I bet you can never repeat that. Definitely a head scratcher. Link to comment Share on other sites More sharing options...
Paladin601 Posted June 23, 2020 Report Share Posted June 23, 2020 A lot of strange stuff happening now. It is that month of the Galactic years for strange things. Link to comment Share on other sites More sharing options...
MG08 Posted June 25, 2020 Report Share Posted June 25, 2020 Good story - learn from others problems or suffer for making them again. Thanks for sharing - Not one I would have thought of, but I have seen a lot of weird ejection issues in all sorts of guns. Link to comment Share on other sites More sharing options...
Black River Militaria CII Posted June 25, 2020 Report Share Posted June 25, 2020 MG34s know that trick! Link to comment Share on other sites More sharing options...
imageaudio Posted June 27, 2020 Report Share Posted June 27, 2020 Strange but true stories. A couple of years back, I had a very similar issue in 9mm. Half the case separated after ignition leaving behind 1/2 the case in the chamber. Took a while to figure it out but eventually realized what the problem was and thought, "boy, that's one in a million" . . . . . until it happened again a couple of weeks later. Then it happened to a friend. In fact, it occurred often enough amongst my group of shooting friends that we began referring to it at the range as " a Ringer". What in the world could be going on??? Just for fun, I'll post some pics today to show you what the case looked like after separation. The bottom of the case was extracted (and often lost in the grass on the range) but the top half of the case was left behind in the chamber. Anyone interested to venture a guess what was the cause of this mysterious range phenomenon? We eventually figured it out after applying the secret to almost any gun related issue, and that is attention to detail. I'll post the solution in a few days if someone doesn't guess it first. Have fun solving the mystery! Link to comment Share on other sites More sharing options...
StrangeRanger Posted June 27, 2020 Report Share Posted June 27, 2020 The right hand picture shows the problem. Rather than a smooth taper, the case has a step located at a very high stress point and that is exactly where the separation occurs. It's a known issue with certain brands. Let me guess either FM or Maxxtech crap ammo? http://www.uzitalk.com/forums/showthread.php?92940-Evil-Stepped-9mm-Case-is-Back!-MAXXTech&daysprune=100 Link to comment Share on other sites More sharing options...
imageaudio Posted June 27, 2020 Report Share Posted June 27, 2020 Yes, the stepped case was exactly the problem. We did encounter some FM headstamps since our range is located outside of Houston where Freedom Munitions had a retail store. The other headstamp we encountered was Ammoload. Since I now know all ammo is not created equal, I do not run any remanufactured ammo through my sub guns. I am wondering what factory ammo other board members prefer to use in their FA firearms? Both 9 and 45? Link to comment Share on other sites More sharing options...
imageaudio Posted June 27, 2020 Report Share Posted June 27, 2020 Here is a photo of an intact case which is what us reloaders need to diligently cull from our brass supply. Thanks StrangeRanger for the link to the Uzitalk forum where this photo was obtained. Link to comment Share on other sites More sharing options...
StrangeRanger Posted June 27, 2020 Report Share Posted June 27, 2020 (edited) Blazer Brass, Speer Lawman, Federal Black Box, Sellier & Bellot all no issuesNo problems with WW White Box but I've not run nearly enough of it to be certainHeard nothing but good about Prvi Partizan but I've not tried it personallyRemington is often underpowered enough to cause failures to eject and EXTREMELY dirty. The bargain price just isn't worth the hassles. Edited June 27, 2020 by StrangeRanger Link to comment Share on other sites More sharing options...
2ndArmored Posted June 27, 2020 Report Share Posted June 27, 2020 Sellier & Bellot gives great results (both function & accuracy) in my M-16/CAR-9. Blazer aluminum works flawlessly except in very dirty guns. (For which I place the blame on me, not the product.) I use the aluminum version because I don't have the need nor the room for any more brass (yeah I know - blasphemy) and the kids get to recycle the aluminum. Link to comment Share on other sites More sharing options...
imageaudio Posted June 28, 2020 Report Share Posted June 28, 2020 Are you all running 115s in 9mm and 230 in 45? Link to comment Share on other sites More sharing options...
StrangeRanger Posted June 28, 2020 Report Share Posted June 28, 2020 yes to both Link to comment Share on other sites More sharing options...
2ndArmored Posted June 28, 2020 Report Share Posted June 28, 2020 Always 230gr in .45, occasionally 124gr in S&B 9mm. (Blazer aluminum doesn't offer the mid-weight bullet. They have only 115gr and 147gr ammo.) Link to comment Share on other sites More sharing options...
Doug Quaid Posted August 10, 2020 Report Share Posted August 10, 2020 Blazer Brass, Speer Lawman, Federal Black Box, Sellier & Bellot all no issuesNo problems with WW White Box but I've not run nearly enough of it to be certainHeard nothing but good about Prvi Partizan but I've not tried it personallyRemington is often underpowered enough to cause failures to eject and EXTREMELY dirty. The bargain price just isn't worth the hassles. Remington UMC bulk ammo is extremely underpowered to the point that it can cause a runaway in some MGs Link to comment Share on other sites More sharing options...
john Posted August 12, 2020 Report Share Posted August 12, 2020 (edited) Remington green/white box seems to run okay in both of my '28s, but you can hear it running a bit slower than other ammo brands.....almost like a gun slows down as it gets dirty.That ammo in 9mm is so underpowered it runs away every time in both my Sten MkII and my S&W 76. Edited August 12, 2020 by john Link to comment Share on other sites More sharing options...
mnshooter Posted August 16, 2020 Report Share Posted August 16, 2020 Are you all running 115s in 9mm and 230 in 45?200 and 230 in .45 115 or 124 in 9mm,except lately have been using 147's, in a suppressed 76. Almost movie quiet fuh-fuh-fuh-fuh-fuf.All are plated; zero comp slot fouling after thousands of rounds. Link to comment Share on other sites More sharing options...
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