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Posted: 9/3/2021 7:32:48 AM EDT
[#1]
Designing another shotgun one now.
It's going to be a 16ga modular, like a Salvo. |
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Posted: 9/3/2021 9:17:21 AM EDT
[#2]
Now that I have been bitten by the NFA F1 bug, I would really like to find a kit for shotguns so I can have a shotty can while I buy and wait for a F4.
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Posted: 9/3/2021 9:52:37 AM EDT
[#3]
Quote HistoryQuoted: Designing another shotgun one now. It's going to be a 16ga modular, like a Salvo. How overbore are you doing it? |
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Posted: 9/3/2021 10:39:43 AM EDT
[#4]
Not much.
The last 2 I did (just round tube w/ 60* baffles) I tapered the cone entry, to keep the wad closed. I got the idea from another builder (I know he has an account here). The plan for this current one is to mill the modular sections from Al. They'll have a hole bored to accept a SS cone baffle. This is going to be an interference fit which I may end-up staking in-place. I'm debating whether to traditionally single clip (on the top of the baffle to force the crossjet into the lower cavity) or going w/ the single port (like Doug Olson's design that Griffin calls the eco-flow). |
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Posted: 9/4/2021 11:35:30 AM EDT
[#5]
I've been thinking of making an integral F1 silencer for a .410 pump shotgun.
I'd use it for pest control. |
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Posted: 9/7/2021 12:48:41 PM EDT
[#6]
Quote HistoryQuoted: I've been thinking of making an integral F1 silencer for a .410 pump shotgun. I'd use it for pest control. @hdhogman If you switch to a single shot (break action) you'd be able to build a fully integral and really quiet it down. The pump just doesn't let you get a long enough suppressor. If the threads weren't removed, I'd link you to a great silencertalk build of this exact design. In the end, he wound up w/ a full integral, which incorporated a 6"ish set of baffles on the muzzle end. The porting was quite extensive and IIRC even had a section of brass rivets, close to the chamber end. |
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Posted: 9/7/2021 1:19:15 PM EDT
[#7]
Thanks, and I do remember the thread that you mentioned.
A single shot would be much more efficient, that is the purpose. Thanks for the memory jog and info. |
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Posted: 9/7/2021 10:13:35 PM EDT
[#8]
Hmm, I have a limited edition NEF break action 410, wonder how hard it would be to make an integral
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Posted: 9/8/2021 7:45:52 AM EDT
[#9]
Here's the build I was referencing before. The one w/ the tapered baffle entrance.
Quote HistoryQuoted: Hmm, I have a limited edition NEF break action 410, wonder how hard it would be to make an integral So, the thread I mentioned, from ST, was pretty detailed. I found it, but all info from the OP has been scrubbed ( I think he went into business making them) Link Link Link Video from guy who started making them Second vid from same guy Video of guys 20ga that made the 12ga, w/ the tapered bores. (couldn't find a build thread on this one)  Suppressed 20 gauge shotgun I believe his username, here, is something like @BCJGunner |
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Posted: 9/10/2021 9:35:33 AM EDT
[#10]
Quote HistoryQuoted: Here's the build I was referencing before. The one w/ the tapered baffle entrance. So, the thread I mentioned, from ST, was pretty detailed. I found it, but all info from the OP has been scrubbed ( I think he went into business making them) Link Link Link Video from guy who started making them  https://www.youtube.com/watch?v=JdhM04qdSPkSecond vid from same guy https://www.youtube.com/watch?v=WhI2hwP4cYcVideo of guys 20ga that made the 12ga, w/ the tapered bores. (couldn't find a build thread on this one) https://www.youtube.com/watch?v=38xI-AooT_wI believe his username, here, is something like @BCJGunner Thanks for posting the video, the .410 sounded very quiet. |
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Posted: 10/8/2021 8:16:30 AM EDT
[#11]
Quote HistoryQuoted: Not much. The last 2 I did (just round tube w/ 60* baffles) I tapered the cone entry, to keep the wad closed. I got the idea from another builder (I know he has an account here). The plan for this current one is to mill the modular sections from Al. They'll have a hole bored to accept a SS cone baffle. This is going to be an interference fit which I may end-up staking in-place. I'm debating whether to traditionally single clip (on the top of the baffle to force the crossjet into the lower cavity) or going w/ the single port (like Doug Olson's design that Griffin calls the eco-flow). @User55645 Do you have any pics? Is a shotgun suppressor completely different than a bullet one? How do you keep the wad from opening? |
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Posted: 10/8/2021 8:42:57 AM EDT
[#12]
@ggllggll
I've been slow to start designing this new one. As stated, the baffle(s)'s bore is tapered, to keep the wad closed. The bore entrance is a bit larger than the exit. In a traditional "bullet" suppressor, you'd have a straight bore. There are plenty of other ways to do it, they're just not as efficient. Something like a perforated tube, surrounded by packing material, has been used. |
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Posted: 10/8/2021 8:47:33 AM EDT
[#13]
Quote HistoryQuoted: @ggllggll I've been slow to start designing this new one. As stated, the baffle(s)'s bore is tapered, to keep the wad closed. The bore entrance is a bit larger than the exit. In a traditional "bullet" suppressor, you'd have a straight bore. There are plenty of other ways to do it, they're just not as efficient. Something like a perforated tube, surrounded by packing material, has been used. So is there actual contact between the baffles and the wad? Interesting. I figured most shot suppressors would be of the perf type. Maybe just a barrel that is ported the whole length with a shroud around that? |
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Posted: 10/8/2021 8:54:15 AM EDT
[#14]
Quote HistoryQuoted: So is there actual contact between the baffles and the wad? Interesting. I figured most shot suppressors would be of the perf type. Maybe just a barrel that is ported the whole length with a shroud around that? Quote HistoryQuoted: So is there actual contact between the baffles and the wad? Interesting. I figured most shot suppressors would be of the perf type. Maybe just a barrel that is ported the whole length with a shroud around that? Yes, there is contact, in this specific design. Same for the Salvo, w/ the rods to keep the wad from opening.  As far as this: Maybe just a barrel that is ported the whole length with a shroud around that? That's been done as well.  However, the muzzle forward baffles do much more than just porting and wrapping, alone. |
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Posted: 10/16/2021 1:07:40 PM EDT
[#15]
^That's similar to what I had planned.
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Posted: 10/17/2021 8:04:02 AM EDT
[#16]
Quote HistoryQuoted: ^That's similar to what I had planned. Same here, with a .410. |
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