Description
The Banish 20 Thread Adapter is the piece that gets your Banish 20 suppressor talking to your Beretta Mobil pattern 20-gauge. Rather than trying to force a one-size-fits-all setup, Banish went with model-specific mounts so the suppressor sits square, holds alignment, and delivers consistent patterns every time you thread it on. This one is cut for the Beretta Mobil choke system, which shows up on a lot of Silver Pigeon field guns, A300 Outlanders, 687 field models, and various 391s.
How the Beretta Mobil Adapter Fits Your Setup
The adapter threads directly into your shotgun's existing choke seat, so there's no barrel work or gunsmithing involved. That direct connection is what keeps the suppressor lined up with the bore for clean patterning and preserves the natural sight line down the rib. Since the Banish 20 was designed around an unobstructed view of the bead and target, getting the mount indexed correctly matters, and this adapter handles that for you.
Built to Take a Season of Abuse
Banish machines this adapter from 17-4 PH stainless steel and finishes it in black nitride, which is a smart move for a part that lives out in duck blinds, upland fields, and turkey woods. The stainless holds up to repeated install and removal cycles, and the nitride adds real corrosion resistance for damp, salty, or muddy conditions. The low profile keeps things clean where the suppressor meets the barrel.
If you already run a Banish 20 and want to move it between shotguns, picking up the right model-specific adapter is the way to do it. This one has you covered for Beretta Mobil pattern 20-gauge guns, letting you keep one suppressor working across your collection without giving up fit or alignment.
Key Specifications
- Manufacturer: Banish
- Model: Thread Adapter
- Product Type: Suppressor Mount
- Compatibility: Beretta Mobil Pattern 20-Gauge Shotguns
- Suppressor Fit: Banish 20 (SGN 20 TI)
- Gauge: 20 Gauge
- Material: 17-4 PH Stainless Steel
- Finish: Black Nitride
- Color: Black
- Mounting Style: Threads Into Shotgun Choke Seat
- Manufacturer Part Number: 100000350187
- UPC: 810171227430
What’s Included
- Banish 20 Thread Adapter for Beretta Mobil (20GA)
Frequently Asked Questions
What does the Banish 20 Thread Adapter for Beretta Mobil do?
It's the mounting interface that lets your Banish 20 suppressor attach to a Beretta Mobil pattern 20-gauge shotgun. The adapter threads into your gun's existing choke seat and gives the suppressor a square, repeatable connection. Banish uses model-specific mounts like this one so the suppressor stays aligned with the bore for consistent patterning.
Which shotguns use the Beretta Mobil choke pattern?
The Beretta Mobil system shows up on a range of 20-gauge guns, including many Silver Pigeon I field models, the A300 Outlander, 687 field models, and some 391 models. If you're not sure which choke system your barrel uses, check your owner's manual or have a gunsmith confirm it before ordering. Matching the adapter to your exact choke pattern is what keeps everything aligned.
Do I need any gunsmithing to install this adapter?
No. It threads directly into your shotgun's choke seat just like a choke tube would, so there's no barrel modification or permanent work involved. That direct fit is also what keeps the suppressor indexed correctly for a clear sight line and clean patterns.
Can I use one Banish 20 across multiple shotguns with these adapters?
Yes, that's exactly the idea behind the model-specific mount system. Grab the right adapter for each shotgun's choke pattern and you can move a single Banish 20 suppressor between guns without losing fit or alignment. This particular adapter covers Beretta Mobil pattern 20-gauge shotguns.




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