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Posted: 11/28/2005 12:03:25 AM EDT
| I got into a minor argument with my best friend today at the gun range, he insisted that a normal civilian AR15 could in no way shape or form fire on fully automatic, I insisted that it could but couldn’t explain how being I don’t know the circumstances, then some other friends joined in the argument and agreed with him saying that they had never heard of one instance and doubt the possibilities of it ever happening, so my question is this, is it possible for a civilian AR15 to malfunction and somehow fire fully automatic, I may be wrong so please go easy on me, TIA |
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It sure will. You are right, and he is wrong. something to do with trigger components, and related parts. But as Mr Hineline says, the "hows" and "whys" would be best left unsaid, as it may prompt some criminal minds to attempt an alter of their semi auto AR15 just to realize a full auto experience |
| Removed to avoid code of conduct violation... sorry. Just realised the post could be construed as info on how to make illegal modifications to an AR. Is it against the rules to simply list the parts that are required to have a functioning full auto AR if I dont give plans or address etc to get said parts and have no istruction on installing said parts? |
I saw one malfunction in a shooting course last fall - it was by no means planned or intentional. I don't know the whole story (some other guys who were there might), but my understanding is that one of the fire control pins was coming loose, producing enough play that the rifle fire a couple short bursts. The course instructors immediately identified the problem and fixed the rifle - it was definitely a malfunction, and not a result of anything the owner had done to the rifle. I've seen military M16s do it too when firing on semi - these were old, worn out M16A1s that we used when I was a cadet. The old components would cause the sear to slip once in a while (or something like that) and fire a second round. Not very cool either when you're not expecting it. Tampering with a rifle mechanism is not only illegal, but also not smart - a person could definitely injure themselves by fooling around with that kind of thing. Dave |
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Just remind him that for a short time before the official "M16" designation, Colt made a limited number of "Armalite AR15" rifles that were safe, semi, auto capable. Want to play the semantics game, use this picture and make sure to point out the little "happy fun device" pin for the drop in auto sear. Otherwise, AR15s that fire in full auto without registered conversion parts like a DIAS or LL are malfunctioning in some way. 
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4 words = Dop In Auto Sear (DIAS) 3 words = Registered Lightning Link (RLL) Those are devices that will make a civilian standard semi-auto AR15 fully automatic. Legally too! Of course, you can break your rifle and sometimes cause it to fire full-auto or bursts, and still not get in trouble with the ATF (as long as it is a temporary malfunction that was not planned), but you are risking much bigger problems including death. - rem |
Dude, I am the 400lb Gunshow Navy Seal/Spec Ops/Drill Sgt/CIA operative. 
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…and after that… They were still marked AR-15… for a while anyway. These are the markings an a carbine (GUU-5P) still in use with the Air Force. 
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If equipped with all "proper" semi parts, the notch on the hammer will jam on the firing pin if the disconnector fails. Your friend is therefore correct. The use of "other" parts makes it a possibility under certain malfunction conditions, but we dont discuss the specifics here. 
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