Suppressor build success

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der Teufel
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Re: Suppressor build success

#106

Post by der Teufel » Mon Aug 22, 2016 1:49 pm

So, I called my local NAPA store in S. Austin, and asked if they had the required expansion plugs in stock.

These are the freeze plugs: http://www.napaonline.com/Catalog/Catal ... 0204530916

They had four. I asked if they could get more, or if they normally stocked more of them, and the guy who had answered the phone said "No, we've kind of gone out of business on these types of items". But then he said he could order them from San Antonio and have them tomorrow. Interesting.

Not sure what the whole story is, but NAPA might be discontinuing this particular item. Oh well, looks like I'll get enough for now.
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AndyC
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Re: Suppressor build success

#107

Post by AndyC » Mon Aug 22, 2016 2:52 pm

I had the same experience in a couple of stores so I just ordered them online in the quantity I wanted and picked them up a few days later in-store.
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maverick2076
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Re: Suppressor build success

#108

Post by maverick2076 » Mon Aug 22, 2016 6:45 pm

Just finished my first form 1 suppressor. It's bored for a 9mm, and is 8" long so I can use it with 300 BLK and 5.56mm. When I get my second stamp, I'll shorten it to 6" and have an 8" 30 cal can for my rifle calibers.

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The reason I built a 9mm can first is specifically to go on my AR-9 SBR I just finished a couple weeks ago. This is my purpose built, go to house gun and for anything inside 75 Image

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I can't wait to hit the range Friday and test fire it!

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AndyC
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Re: Suppressor build success

#109

Post by AndyC » Mon Aug 22, 2016 6:56 pm

Congrats! :cheers2:

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der Teufel
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Re: Suppressor build success

#110

Post by der Teufel » Tue Aug 23, 2016 4:13 pm

I'm jealous of all the folks who were smarter/faster than I was and who already have their paperwork back from BATFE. :greenfrown:

But, I have received most of the parts I'll need, and today I picked up a couple dozen expansion plugs. I didn't know if my little 1-Ton arbor press would be sufficient for forming them, but I figured there was one sure way to find out. The specs on the forming tool said a minimum of 1-Ton was needed, and I guess they were right. :thumbs2:

The assembled tool with an un-formed plug barely fit into my press, but there was a little over a sixteenth of an inch to spare!

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Here are the first two plugs after forming. I went ahead and formed all that I had, but that's about all I can do until I get my form 1 back.

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Now the wait continues . . .
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Re: Suppressor build success

#111

Post by AndyC » Wed Aug 24, 2016 8:47 am

Those plugs look good - those will work nicely :thumbs2:
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Re: Suppressor build success

#112

Post by maverick2076 » Wed Aug 24, 2016 8:59 am

That is the same forming tool I used, and it is dang near foolproof.

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der Teufel
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Re: Suppressor build success

#113

Post by der Teufel » Fri Nov 18, 2016 2:19 pm

Called ATF today. They said they have my Form 1, and that current submissions are being processed in eight months.

Mine was received in mid/late May, so it looks like I may be waiting until late January for approval.

(SIGH) I was soooo hoping for a tax stamp as a Christmas present …

Oh well.
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Re: Suppressor build success

#114

Post by der Teufel » Thu Jan 05, 2017 2:45 pm

Finally got my Form 1 in, it arrived between Christmas and New Year's. Starting to work on drilling things out and running into what may be a slight problem. How to accurately center the holes in the baffles. I formed them a few months ago, and I just assumed that the forming tool would put a centering mark on the freeze plugs. It did not, instead leaving a flat center approximately ¼" in diameter.

So, for the guys who have already done this, how did you center the hole? Did you get a centering tool and drill pilot holes before forming? Did you just eyeball it? Is there a trick I need to learn? I want to do this right.

Your advice/comments appreciated.
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Re: Suppressor build success

#115

Post by AndyC » Thu Jan 05, 2017 2:47 pm

First - congrats!

Second - my forming tool has a hole in it to act as a pilot guide for drilling the initial hole. In the pics you posted above, your tool appears to have one as well - assemble everything along with a formed plug inside the tool and drill through that to make the pilot hole.
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der Teufel
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Re: Suppressor build success

#116

Post by der Teufel » Thu Jan 05, 2017 2:54 pm

AndyC wrote:First - congrats!

Second - my forming tool has a hole in it to act as a pilot guide for drilling the initial hole. In the pics you posted above, your tool appears to have one as well.

Ah, it's been so long since I formed the plugs that I'd forgotten about that!

(grumble, gummit, 7 months of waiting, mumble)

Okay, I'm back in business. Thanks, Andy!

Thanks again also for starting this thread. It's what motivated me to start in the 1st place.
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Re: Suppressor build success

#117

Post by AndyC » Thu Jan 05, 2017 2:55 pm

:rolll

Pro-tip - cut your blast-chamber about 1/8" longer than you measured, because the plugs will settle a little bit after the first 10 rounds or so.
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Amateurs skip safety-checks - pros don't.
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Re: Suppressor build success

#118

Post by The Annoyed Man » Thu Jan 05, 2017 9:34 pm

AndyC wrote::rolll

Pro-tip - cut your blast-chamber about 1/8" longer than you measured, because the plugs will settle a little bit after the first 10 rounds or so.
Yep yep yep! He's right. It may take 100 rounds, but it WILL settle in.
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der Teufel
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Re: Suppressor build success

#119

Post by der Teufel » Fri Jan 06, 2017 12:08 pm

Good info !!

It's 28°F this morning, and my garage/shop is not heated, so work is slightly delayed (yah, I'm that wimpy) but I'm getting close.
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Re: Suppressor build success

#120

Post by AndyC » Fri Jan 06, 2017 3:22 pm

Sissy ;-)

Keep us posted - you're close :thumbs2:
Remember Kitty Genovese

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Amateurs skip safety-checks - pros don't.
Preferred Travel Agent - 72 Virgins Dating Club, Iraq
There's nothing quite like the offer of 230 grains to a man's chest to remind him of his manners

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