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7/1/2016 9:36:00 AM EDT
I just submitted a form 1 last week for a 11.5" 5.56. I took the overall length of my Daniel Defense V9LW (16" barrel plus flash hider), and subtracted 4.5" for the overall length of my built. I did not factor in the muzzle device.

V9LW OAL: 35 7/8 (31.875)
16" barrel - 11.5" barrel = 4.5" difference
35.875 - 4.5 = 31.375 SBR

Submitted OAL on form 1 as 31.375.

Are they going to kick this back in a few months because I didn't subtract the muzzle device length from the overall length? If so, is there anything I can do to correct the mistake instead of waiting until it is kicked back? Thanks.
7/1/2016 9:51:13 AM EDT
[#1]
You're fine. It really doesn't matter much as long as you're close.
7/1/2016 11:04:59 AM EDT
[#2]
Out to 3 decimal points? Wow.

The reality is they don't know what you're making. That muzzle device could be pinned and welded for all they know. It just needs to be realistic, and meet the definition of SBR.
7/5/2016 5:59:35 PM EDT
[#3]
That's a good point. I guess I should't worry about that and say my flash hider will be pinned and welded if I get any feedback on it?
7/5/2016 8:46:41 PM EDT
[#4]

Quote History
Quoted:


That's a good point. I guess I should't worry about that and say my flash hider will be pinned and welded if I get any feedback on it?
View Quote


You won't, the OAL in this case will not be a factor in your form being approved or denied.



The ATF doesn't know ( and doesn't need to know) exactly the collection of parts you will use.  Maybe you used a longer stock setup, for example, to get the extra bit of length than what you would "expect".  They will not scrutinize your form to the point to say that "if your barrel length is x, your OAL must be y, or it is rejected".  They just want a general idea of those measurements.



 
7/5/2016 10:49:49 PM EDT
[#5]
They don't pay that much attention to the OAL

My first SBR back in 2007 I used the OAL with the stock collapsed, and it was still approved without issue

7/6/2016 4:44:38 PM EDT
[#6]
Alright, thanks for the input.
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