Ok well when I first saw the PC9 come into the store back in August and found it would run Glock mags it was a easy decision to buy one to use with my Glock pistol in the Steel Challenge Competition. So I put my Vortex Red Dot on it and went and zeroed it. I was impressed with the accuracy. Since I work at the range and the steel was set up needless to say I got some practice in. My partner I work with liked it so much he bought one also. Well then came our first competition. After the first string of 5 targets and on the very next string it stove piped on me. I fought it for the next 5 stages and it never ran more than 3 rounds with out a malfunction of some sort. Mostly stove pipes, FTE's and FTF's. Very frustrating to say the least. My fellow PC9 shooter's rifle started doing the same thing on about the 3rd stage. When I got it home and took it apart I found the bolt face had a piece broken off. So I called Ruger and they sent me another along with the pins that hold the bolt head in. A thorough cleaning etc, I went to test fire again and it still stove pipes and it doesn't matter which ammo I use. After researching aggressively I found a few suggestions I will try. There is really very limited information on this rifles idiosyncrasies'. I will share one I found to be quite interesting which is, one gentleman who is an engineer that test rifles I will not mention said what he did for his was to take and old inner tube and cut two layers to fit behind the buffer. He said that this would give more time for the case to eject since the bolt return is very fast for this rifle. If this works it tells me the tungsten dead blow weight is just a hair on the light side. Now I know there are a lot of smart people that design the guns and I am no engineer but it always seems like it's the consumer that finds and eliminates all these little quirks. That's what Microsoft does, they put out a beta OS and let the consumer find the problems. I am not saying this is what Ruger has done but it is a new rifle and I have a lot of disappointed friends that are trying to compete with it right now and it is letting us all down. I tried to attach the bolt head picture but don't know if I did it correctly. Anyway I will try that suggestion and will post my results.
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