Squib X 2
- Thread starter GMJim
- Start date
Guys I'm telling you the recoil was EXACTLY the SAME as the previous round that hit the target! The slide went ALL the way back, picked up the next round and jammed it up against the stuck bullet. I am NOT a novice! I even mic ed the projectiles to be sure the diameter was correct! I am completely perplexed and still trying to figure this out. I have carefully measured 50 rounds at 3.9 grns. and will shoot 50 rounds of factory 124 grn before trying my loads and will post back. I use a primer pocket cleaner before priming my cases.
Gatehouse, this may be the problem? The soot on the outside of my brass is heavy. I've watched other people at the range using factory loads with a CZ shadow that don't reload and I will sometimes pick up their brass and there isn't any soot on them. Gasses may be escaping as the slide is pushed back and not leaving enough pressure to expel the bullet?? As I posted earlier, my plan is to put a box of factory 124 grn through it, then some of the 3.9 loads I measured. I will post back with the results but might be a week or two.
Jim
- Location
- Nova Scotia
I went as lazy as a netbook and inspection camera. Save me leaning forward.
I did have a squib with 30 carbine, that did sound normal ( normal for 15grn of surplus powder ) mild recoil. Not the typical primer pop. But only lodged the barrel into the chamber. It didnt eject, i had nothing but issues with this south american suken bardge ammo. So wasnt uncommon to get FTF and FTE.
Pulled about 600rds of ammo.
Soot indicates a light/low powder charge, but the rounds should still clear the barrel if everything else is normal. I asked earlier, but you didn't answer. Just out of curiosity, what is the OAL and measurement at the case mouth after crimp of your CamPro 124gr 9mm reloads? Also, have you inspected the ring on your sizing die for cracks? I'm just spitballing here...
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Just so I am clear on your experiment, did you actually force a piece of tumbling media into the flash hole or just drop loose media into the case? If you just dropped it into the case did you shoot holding the gun vertically (as in shooting into space)? Not that it would be a good idea as what goes up must come down but the the reason I ask is that if you held the gun horizontally when firing, gravity would cause the media and powder to to the lower half of the case, exposing the flash hole so the primer flame wouldn't be impeded very much so normal detonation should occur.My conclusion is that media stick in a flash hole prevents ignition is a myth.
However, if a piece of media (especially a solid piece) was actually stuck in the flash hole I wonder how much the primer flame would be minimized (if at all). Just spitballing here but if the flame was greatly reduced then is it possible that there would be incomplete detonation of the powder charge which could result in a squib like situation?
Everything looks good. I'm glad you determined your own OAL, that's the only way to do it. Your crimp at the case mouth could be a little lighter (.378), but that's neither here nor there. There won't be any negative affects as long as you aren't cutting through the plating (tumbling).
I don't know, I still think 1) No powder 2) Contaminated powder 3) Bad/contaminated primer. To be completely honest, 99.9% of the time (official stat, lol), no powder is the culprit when it comes to squibs. Rarely does a squib occur for any other reason.
I knew someone was going to ask these questions so here is what I did.
Primed case with a big pinch of media. The bottom of the case was fully covered. If it was powder I would have said it was about 2 grains. No, I didn't pound any media into the flash hole because that's not what actually happens and there was plenty of media to obstruct the flash hole.
Charged case, seated bullets.
Kept rounds upright until firing.
I wasn't going to shoot straight up in the air but our range has a nice mountain as a berm so it was angled up as steep as I could.
I was 100% sure the media wasn't going to prevent ignition as I've popped lots of primers in both handguns and rifles and a primer has lots of force for it's size. You wouldn't want your hand over the muzzle when a primer gets popped. And if you aren't wearing ear pro you are going to have sore ears.
