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Posted: 10/14/2017 6:21:19 AM EDT
I have a transferable M11/9 on the way, comes with a Lage Mk2 upper.

Can I put the upper on a semi auto lower while I'm waiting for the transfer?

I know I'll have to watch the NFA rules with respect to putting stocks and fore grips on it. Mostly just want to get optics/lasers dialed in and play with it in my garage while I'm waiting.
Link Posted: 10/14/2017 9:32:14 AM EDT
[#1]
The MAX-11 mk2 has a full auto bolt with a fixed firing pin.  Do not try to use it with a semi-auto lower or you will create an uncontrollable runaway machinegun.  Because of this, it is illegal to possess a full auto bolt with a semi gun unless you also have a full auto gun.  BATFE calls it constructive possession.
Link Posted: 10/14/2017 9:46:37 AM EDT
[#2]
Quoted:
I have a transferable M11/9 on the way, comes with a Lage Mk2 upper.

Can I put the upper on a semi auto lower while I'm waiting for the transfer?

I know I'll have to watch the NFA rules with respect to putting stocks and fore grips on it. Mostly just want to get optics/lasers dialed in and play with it in my garage while I'm waiting.
View Quote


Too late at this point but I've always had my MGs transferred to a gun range so I can tinker with them while I wait. Something to think of for the future.
Link Posted: 10/15/2017 3:14:30 AM EDT
[#3]
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Quoted:
The MAX-11 mk2 has a full auto bolt with a fixed firing pin.  Do not try to use it with a semi-auto lower or you will create an uncontrollable runaway machinegun.  Because of this, it is illegal to possess a full auto bolt with a semi gun unless you also have a full auto gun.  BATFE calls it constructive possession.
View Quote
Lage, thanks for the support. Didn't know you guys were on here.

I just sent you a PM with another question.
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