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3/13/2026 10:02:39 PM EDT
Has anyone submitted an eForm 1 for an integral suppressor?  I was wondering if there is anything extra that needs to be added to the form, like pictures or drawings of what I want to make.
3/15/2026 10:26:22 AM EDT
[#1]
I did one for a CZ457.
I bought a barrel to use for it.  CZ put SN on barrel so I used that, and 22LR as the model. I included pics of the barrel and close ups of the markings.

I'll engrave maker, location, and caliber.

I chose to use a model name (not required) for faster approval
3/15/2026 2:08:10 PM EDT
[#2]
Quote History
Originally Posted By maggiethecat:
I did one for a CZ457.
I bought a barrel to use for it.  CZ put SN on barrel so I used that, and 22LR as the model. I included pics of the barrel and close ups of the markings.

I'll engrave maker, location, and caliber.

I chose to use a model name (not required) for faster approval
View Quote



So no drawings submitted?  Was it approved yet?
3/15/2026 3:02:38 PM EDT
[#3]
No drawings submitted. I said "bore out barrel, then thread. Make baffles from aluminum stock. no materials purchased yet.

It was approved.
3/15/2026 6:46:58 PM EDT
[#4]
Quote History
Originally Posted By maggiethecat:
No drawings submitted. I said "bore out barrel, then thread. Make baffles from aluminum stock. no materials purchased yet.

It was approved.
View Quote



Thanks
5/29/2026 4:40:49 PM EDT
[#5]
Wierd I just asked this question I should have scrolled down

So I could use the SN from the pistol as the SN for the suppressor

What’s your design like?

How much barrel vs suppressor

K baffle ?

What’s your accuracy like
6/4/2026 7:18:55 PM EDT
[#6]
Quote History
Originally Posted By neuromancer1970:
Wierd I just asked this question I should have scrolled down

So I could use the SN from the pistol as the SN for the suppressor

What's your design like?

How much barrel vs suppressor

K baffle ?

What's your accuracy like
View Quote
Note that the pistol serial number is not the suppressor serial number. You could mark it with the same number unless you in theory get a variance letter that the silencer is married to the pistol and omit the silencer serial number as an opinion of mine. A Remington and a Winchester could have the same number but they are not the same firearm. When I did my DeLisle I marked the tube with the same number as the rifle.
6/7/2026 11:06:41 PM EDT
[#7]
Quote History
Originally Posted By neuromancer1970:
Wierd I just asked this question I should have scrolled down

So I could use the SN from the pistol as the SN for the suppressor

What’s your design like?

How much barrel vs suppressor

K baffle ?

What’s your accuracy like
View Quote



You can use the pistol serial number as the s/n for the can.
My design is a copy of AB Littlebird, but it's the barrel, not an add on device.
13" of barrel, 7" threaded suppressor area with moveable baffles.
Not K, look at the AB Littlebird.
Havent checked it yet, not even done building baffles.

@ neuromancer1970

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