Crud buildup and cheap ammo

Jkwas

New member
Went to the range yesteday. had to use their ammo, some Pmc stuff. After about 30 rounds, My wife experienced binding and off center primer hits. Now when she shoots, she stages the trigger, because she doesn't have a lot of finger strength. When I shoot, I snap the trigger with a quick straight pull. I didn't have problems with the revolver(Taurus 605), but she did. The guy at the range said the gun was probably out of time. Can a gun be selectively out of time? I researched the old threads and came across some on cylinder binding and buildup around the forcing cone. When I looked at my range rag that I use as a kind of mat to lay my guns on, I found half moon shards of the Bullet on it, like they were soft and had been shaved off. I checked cylinder alignment. It's not perfect, but I feel within reason. The cone to cylinder clearance is about .004.
Has anyone experienced this? Do you think it's bad technique, or cheap ROK ammo? :confused:
 
PMC ammo isn't the best stuff on the market, but I've found it to be cleaner than most other brands.

If the gun is shaving lead then it's a gun problem. I can't think of a way that technique or ammo could cause that.
 
You could be getting carbon around the forcing cone
I found half moon shards of the Bullet on it, like they were soft and had been shaved off.
Soft half-moon shards of bullet on the range rag indicate that he could be getting carbon around the forcing cone? How???
 
I'm thinking the half moon chards were jacket deposits building up on the forcing cone. They were filling in between the forcing cone and the cylinder, like a ring around it. When I broke the cylinder free, the half moon chards were either side of that build up, breaking in half, and coming out in two pieces. I've experienced buildup before with other types, but not with WWB or umc, which I usually shoot for target practice, but could not due to range regulations on this particular instance. What I found interesting, is that I wasn't having the problem, whereas other people were. Can you shoot a revolver wrong? :confused:
 
If a revolver is shaving bullet material then it is not operating properly. Period.

It may be possible to shoot a revolver with this type of problem and NOT have it shave bullet material, but that is not evidence that the problem is in technique.

Regardless of technique, regardless of ammunition (proper caliber assumed), regardless of anything else, if your revolver is shaving bullet material then it needs to be serviced.
 
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