One stamp or two stamps?

[Lebowski]

Let's say I wanted to build a SBR AR15 chambered in 300BLK, but I also wanted a can on it.

Would I still need two stamps if I had a 10.5" barrel, with a 6" can pinned to it so it could not be removed? Or would that still require 2 stamps, one for the can and one for the short barrel (even if the combination is 16,5" OAL).

All hypothetical. I want to build a lot of stuff that I don't have the money for... ha.

 

[Roadie]

Moving this to the NFA Forum

(BTW, my understanding is that if it is pinned and meets the length required, it would NOT be an SBR and would be a 1 stamp firearm)

 

[magic man]

One stamp if you had it pinned and welded with the OAL over 16". I wouldn't recommend it, though. Spend the extra $200 and be able to put the can on whatever gun you want.

 

[Beowulf]

Agreed on doing it separately. Even guns like the MP5 SD allow the can to be removed for maintenance and cleaning (requiring two stamps). Plus, as magic man says, it will allow you to have a lot of flexibility to put your suppressor on some of your other rifles if you want.

 

[bradmedic04]

I would think for cleaning's sake alone it'd be worth spending the extra $200.

 

[CountryBoy19]

Slightly off-topic but maybe a bit applicable:

Are there any ATF FTB rulings on monolithic uppers with rails/tubes long enough to meet the minimum length?

The reason I ask is that integral suppressor with a tube permanently affixed to the gun qualify as meeting the requirement as measured from the end of the permanently affixed tube, even if the barrel inside the tube is much shorter. Wouldn't a monolithic upper with a long tube perform the same function?

If the OP is looking to avoid 2 stamps this may be an option (he would just need a barrel extension to shoot unsuppressed if he didn't want the gas/flame inside the handguard).

 

[wsenefeld]

I wouldn't be surprised if you void the can's warranty by having it pinned.

 

[croy]

I would just get 2 stamps, usually class 3 items are for life.