Posted: 12/1/2015 3:42:21 PM EDT
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Hey all, I'm new to the M1A platform. Picked up a SOCOM 16 Scout version. Took it to the range, shoots like a dream, however on the last few mags, one pull of the trigger would net 2-3 rounds. As fun as that was, having an entire Sheriff's Dept in the lanes next to me, made me EXTREMELY nervous. After the third burst, I put her away.
Any suggestions? Any reason why this might happen? She's completely stock. Thanks in advance for your help! |
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I have many thousands of rounds through M1a rifles and never had an accidental bumpfire.
You most likely have something wrong in the trigger housing. Several possibilities. Only other thing I could think of is a firing pin that is binding for some reason. Make sure the FP slides freely in the bolt. Call SA and follow their directions. Not something to take lightly. |
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Any possibility that you were bump firing it by accident? You know, finger bouncing on the trigger? This is my guess. My guess as well. If you don't have a good hold on it and bring it tight into your shoulder it will surprise you and everyone around you. |
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Did the muzzle brake/compensator do a good job of keeping the muzzle down during those shot strings? Believe it or not, even though it was "bumped" or burst, the shots were right on top of each other on the paper. Granted it was only at 50 yards, but I was pretty happy about that. I could have been bump firing it by accident. I bought it used from my father in law who bought it new and no trigger work was done. This was the first thing I'd asked. |
| Not only can that rifle cause you legal problems with BATFE, even worse, it could blow up in your face causing potential problems that no amount of money, or the best attorney could fix. In other words, it isn't just a legal issue, it is a very real, and serious safety issue that is not to be experimented with before having it fixed. |
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Hold the trigger back, don't let it reset. They are pretty easy to bumpfire. This The funny thing is, I THOUGHT this is what I was doing as this is exactly what I do when shooting my AR, or any rifle for that matter. Maybe I'm just not used to this trigger or something, I don't know, it was fun for a second, but then very nerve racking. |
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Not only can that rifle cause you legal problems with BATFE, even worse, it could blow up in your face causing potential problems that no amount of money, or the best attorney could fix. In other words, it isn't just a legal issue, it is a very real, and serious safety issue that is not to be experimented with before having it fixed. Roger that! Springfield it is! |
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Trigger must be squeezed with "authority". Too light on the trigger and you can get doubles, or in your case, triples.
The sear/hammer engagement points should be run dry. No lube. Sounds counter to what you may have been taught, but that's the way I was trained with the M-14. The M-1 comes with the same codicil. Ask the previous owner if he encountered any problems. |
| Strip the rifle down and clean/flush out trigger group and bolt thoroughly with brake cleaner. Make sure there is no grease in the firing pin hole. Cock and release the hammer (not allowing it to fly forward) note any problems with the sear and trigger reset. If it turns out to be sear issue contact Springfield they will make it right. If you cannot find an issue after cleaning, lube normally and reassemble. Function test then hit the range and try again. |
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Try this unofficial function check with an empty chamber.
1. Remove magazine, clear weapon. 2. Move safety to "off" (forward) 3. Pull op-rod all the way to the rear, and then allow bolt to return fully into battery 4. Pull trigger on empty chamber, do NOT release tension on trigger and allow the hammer to reset 5. With trigger still fully depressed, pull op-rod all the way back to the rear again, and allow bolt to return to battery. 6. Release trigger. 7. Attempt to pull trigger. If hammer falls, you're good. If the hammer does not fall, you have a situation where the hammer is riding the bolt back into battery and impacting the firing pin causing a "slam fire", which would account for the burst fire. If your weapon is slam-firing, it's possible that it's a matter of clearance between the receiver and trigger group. I had that with a rifle that was inspected by a military armorer with all the proper gauges before I fired it. He performed a simple function check described above and discovered that the hammer was riding the bolt home. I had to relieve just a bit of material from the USGI fiberglass stock to get the trigger group to lock up tight enough with the receiver that everything functioned like it was supposed to. |
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Had this happen a long time ago, turns out the (IIRC) hammer pin had worked loose and needed to be re-staked. HTH, Rob Hammer pin is a slip fit and can't go anywhere once installed into a stock. No staking in a M14 or M1 trigger assembly. Odds are you're milking the trigger holding it near the break point. When it recoils and cycles it bounces off your shoulder and your retrip the trigger. This happens more from the bench than standing or other positions. A worn sear, bent trigger pin, worn hammer or reworked hammer or sear could be an issue. I learned my own lesson on this with an M1a in a M3a stock shooting prone with a bipod. Bounces right off the shoulder and caused the trigger to re trip with my finger being the culprit. Pulling fully to the rear past the break point eliminates this issue if it is the finger fault. Worn parts is another matter that would need to be addressed. |