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Posted: 11/22/2011 6:33:25 AM EDT
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Hello All,
Been around for awhile, but never posted anything, just gathering info. Anyway, decided to build an AR pistol. The upper is an YM 7.5" pistol upper. Went to the range yesterday to test it and ran into a problem: when I squeeze the trigger, it fires off 2 (two) rounds in quick secession. I am at a loss as to what the problem could be. Any input on how to fix this would be GREATLY appreciated. Thank you, hk404me |
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Quoted: Just double checked the dis-connector spring and it was in end up. Replaced it big end down, but would that really make a difference? Still the same spring rate if it is in big end up, or that mistaken? Thank you all for the help! hk404me It makes a difference. |
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Quoted: Just double checked the dis-connector spring and it was in end up. Replaced it big end down, but would that really make a difference? Still the same spring rate if it is in big end up, or that mistaken? Thank you all for the help! hk404me Yes, with the spring in upside down your interfering with the disconnectors function. |
| I know the answer has been given. But to piggy back here its a totally different spring rate upside down. It only coils maybe 1/4 the distance it should when in correctly hence less force. As the fat end will stick to the top of the trigger opening. Be very very thankful someone didn't have their nose up your butt about it doubling at the range. There was and true story a guy who went to jail here in Texas because his AR doubled once and a range master reported it. The ATF got it to do it at least once out of how many rounds but its still illegal. |
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Quoted:
I know the answer has been given. But to piggy back here its a totally different spring rate upside down. It only coils maybe 1/4 the distance it should when in correctly hence less force. As the fat end will stick to the top of the trigger opening. Be very very thankful someone didn't have their nose up your butt about it doubling at the range. There was and true story a guy who went to jail here in Texas because his AR doubled once and a range master reported it. The ATF got it to do it at least once out of how many rounds but its still illegal. OH MAN! Didn't even think about the ATF issue with the double fire! Worse yet, I live in California, where the have NO tolerance for firearms violations what so ever. To make it worse, Veron PD was on the range right next to us. Only thing separating us was a 6' high dirt berm. Somebody was watching over me..... hk404me |
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Absolutely no intent what so ever. Hopefully, this can help someone else, so they do not make the same mistake that I did. Had I been intuitive enough, I would have resolved the situation while at the range, but alias I am not that knowable to do that.
Common sense? Sorry, ain't got none..... Thank you ALL for your help! hk404me |
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