what is the most common reason for a AR style rifle to start firing in burst of 3 or 4 rounds?....
it happend 3 times today with 1 20 round mag...
bench
it happend 3 times today with 1 20 round mag...
bench
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burst fire?
- Thread starter benchmstr
- Start date
Re: burst fire?
Putting the selector on the three-round burst setting...
I am sure there ARE other reasons, but they are less common. Sounds like out of spec FCG parts. Hard to be more specific than that without having it in hand.
Putting the selector on the three-round burst setting...
I am sure there ARE other reasons, but they are less common. Sounds like out of spec FCG parts. Hard to be more specific than that without having it in hand.
Re: burst fire?
it never did it when i pulled the trigger....only when i released it....i have it in a pile of parts now so no one will shoot it until i fix it...
bench
it never did it when i pulled the trigger....only when i released it....i have it in a pile of parts now so no one will shoot it until i fix it...
bench
G
Guest
Guest
Re: burst fire?
Has anyone done a "trigger job" for you? Removal of the "hardened" material in the hammer or sear will cause these surfaces to wear quicker.
Check the notch on the bottom of the hammer or the sear at the front of the trigger assembly for wear.
That's the most likely culprit. Also verify your trigger spring is in working order and installed correctly
Has anyone done a "trigger job" for you? Removal of the "hardened" material in the hammer or sear will cause these surfaces to wear quicker.
Check the notch on the bottom of the hammer or the sear at the front of the trigger assembly for wear.
That's the most likely culprit. Also verify your trigger spring is in working order and installed correctly
Re: burst fire?
no trigger work...stock dpms lower with less than 100 rounds through it..i havent even changed the stock out on it yet....
bench
no trigger work...stock dpms lower with less than 100 rounds through it..i havent even changed the stock out on it yet....
bench
Re: burst fire?
My AR10 did this a couple weeks ago. My problem was the lower trigger pin backed out a bit, and something happend and it double tapped on me. It stopped after the second round, but my finger was also off the trigger. Ended up being an out of spec pin. I have an IRA trigger, and my local smith mixed up the pins when I had him swap my LPK from the IRA lower to my Armalite.
My AR10 did this a couple weeks ago. My problem was the lower trigger pin backed out a bit, and something happend and it double tapped on me. It stopped after the second round, but my finger was also off the trigger. Ended up being an out of spec pin. I have an IRA trigger, and my local smith mixed up the pins when I had him swap my LPK from the IRA lower to my Armalite.
Re: burst fire?
my noveske did that once....this rifle didnt appear to have the pin backing out, but i just might not have noticed it..
bench
my noveske did that once....this rifle didnt appear to have the pin backing out, but i just might not have noticed it..
bench
Re: burst fire?
Best thing to do is take out the FCG and put it back together. That's where your problem. Disconnector spring might be upside down too.
Best thing to do is take out the FCG and put it back together. That's where your problem. Disconnector spring might be upside down too.
Re: burst fire?
The times I have seen it happen were usually traced to a faulty disconnector. I've also seen it happen to a handloader who didn't trim his brass. After brass was trimmed it didn't happen again.
The times I have seen it happen were usually traced to a faulty disconnector. I've also seen it happen to a handloader who didn't trim his brass. After brass was trimmed it didn't happen again.
