3 Round Burst question

ar15dave · Mar 11, 2014

If I have an M16 (FA), could I convert it from three position (Safe/Semi/Auto) to four position (Safe/Semi/Burst/Auto)?

Does it need to be registered again or is the whole concept a no-no?

Dave

Second Amendment · Mar 11, 2014

I believe that conversion would require a class 3 license.

Minuteman · Mar 11, 2014

Really?

I don't have any NFA toys, and I know exactly "0" about this; but -

Since it is already an Auto capable firearm, isn't it already class 3? So would seem to me, adding a burst or auto capability is irrelevant?

I'm guessing you two are already PM'ing one another; I'm just curious.

Caeb75 · Mar 11, 2014

Yes...it is legal. You can go from burst to full auto to both. As far as the atf is concerned, it is a machine gun no matter how many rounds come out when you pull the trigger.

ViperRy · Mar 11, 2014

From my understanding, if you have a registered MG lower then you can put a 4 way selector kit in. Not possible if it is a RDIAS as the sear is different for burst.

***I am not a lawyer***

teratos · Mar 11, 2014

Yes, you can put it in. It's not like you are making it "more" full-auto.

Billman · Mar 11, 2014

Absolutely

ericoak · Mar 11, 2014

I have never heard of a 4 position m16 selector.

teratos · Mar 11, 2014

They exist.
http://robrobinette.com/M16_4-Way_Selector.htm

rsideout · Mar 11, 2014

ericoak said:
I have never heard of a 4 position m16 selector.

Albert has his M16 set up that way.

ar15dave · Mar 11, 2014

Sweet thanks. I don't have an M16....yet. Was just curious. Made sense it would be OK to do. Might ping BATFE and ask them for their official answer....if I can get one.

Dave

teratos · Mar 11, 2014

ar15dave said:
Sweet thanks. I don't have an M16....yet. Was just curious. Made sense it would be OK to do. Might ping BATFE and ask them for their official answer....if I can get one.

Dave

ATF doesn't care how you configure your machine gun. FA, 3 round burst, still a machine gun.

SCARCQB · Mar 11, 2014

Perfectly legal... Burst and full auto is still looked at as being the same... Its a machinegun.

clay pigeon · Mar 11, 2014

You can do it but, You will need to remove at least one of the two selector stops. I dont believe i would grind on a 20,000.00 dollar reciver and do that.

ericoak · Mar 11, 2014

rsideout said:
Albert has his M16 set up that way.

Did he remove the "stops" on the lower so I spin more than 180 degrees?

rsideout · Mar 12, 2014

ericoak said:
Did he remove the "stops" on the lower so I spin more than 180 degrees?

He has a red aluminum plate on the side with the 4 selector positions marked like the picture below. It would require the removal of one stop. Or you could mill out the back of the selector lever as shown in the picture below.

ar15dave · Mar 12, 2014

IMBLITZVT · Mar 13, 2014

As others stated, yes its perfectly legal to do. The real question is why do it? Yeah its a cool feature to have I guess but do you really want something limiting you to three rounds? Why not just take quick trigger pulls. Also I believe with the way these 3 round burst work, is that if you shoot two shots, you will follow up with a single. In other words you are not reset to three rounds if you are quick on the trigger. The whole idea of three round burst was to limit Soldiers fire capacity so they would not dump mags. Well thats a third party limiting the soldier. Why limit yourself? Just learn proper trigger control and save the cost of the burst kit. From what I hear, most get it, install it and removed it fairly quickly. It makes the selector kind of a pain as it can now turn a full 360. I have a M16 coming and decided against this feature, for what its worth.

ericoak · Mar 13, 2014

IMBLITZVT said:
As others stated, yes its perfectly legal to do. The real question is why do it? Yeah its a cool feature to have I guess but do you really want something limiting you to three rounds? Why not just take quick trigger pulls. Also I believe with the way these 3 round burst work, is that if you shoot two shots, you will follow up with a single. In other words you are not reset to three rounds if you are quick on the trigger. The whole idea of three round burst was to limit Soldiers fire capacity so they would not dump mags. Well thats a third party limiting the soldier. Why limit yourself? Just learn proper trigger control and save the cost of the burst kit. From what I hear, most get it, install it and removed it fairly quickly. It makes the selector kind of a pain as it can now turn a full 360. I have a M16 coming and decided against this feature, for what its worth.

See I dunno, I feel like I could be more accurate if I don't have to worry about getting off the trigger really fast. At least for me when I shoot for accuracy, it is nice to be able to just concentrate on using minimum pressure pulling the trigger straight back and limiting sight disruption.

I wouldn't choose 3rd burst over FA but if you can have both why not?

I am also a fan of the Navy Mp5s that have a 2 round burst. Seems like the best option when there are potential good guys in the same room. Double tap.

SCARCQB · Mar 13, 2014

I have the 3 round burst feature on an AC556 and an FNC. Dont really use it, except for when im letting newbies shoot the guns.

Trigger control and doing short burst is so much better. if 3 round burst is put into guns with really high cyclic rates, ( mac, micro uzi, P90 etc) then it would be awesome.

3 Round Burst question

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