Description
The Banish 20 hangs its entire suppression system off your shotgun's choke threads, which means the mount has to match your barrel exactly. This one, part number 100000350185, is cut for the Beretta Optima HP pattern in 20 gauge. Check the marking near your barrel's gauge stamp: if you see OB HP or Optima-Choke HP, this is the piece that ties your Beretta to the can. It threads into the choke seat just like a standard tube, then the Banish 20 spins onto the mount for a secure, repeatable fit that holds alignment shot after shot.
Built to Take a Beating
Banish machines these choke mounts from 17-4 PH stainless steel, a heat-treated alloy that shrugs off the pounding a 20 gauge dishes out over a long season. The black nitride finish adds serious corrosion resistance, which matters when you spend mornings in a wet duck blind or dusty dove field. The design is low profile too, so it adds barely any length or weight ahead of the muzzle and keeps your shotgun feeling like your shotgun.
One Banish 20, Multiple Shotguns
Here is the practical upside of the choke mount system: picking up extra mounts lets you move a single Banish 20 between different shotguns without buying another suppressor. Keep this Optima HP mount in your Beretta A400 and a different pattern in your other 20 gauge, and swapping the can takes about as long as changing a choke tube. Since your shot constriction comes from the interchangeable chokes that thread into the front of the Banish 20 itself, you still get full control over your pattern while running suppressed.
One thing worth repeating before you order: this mount is made exclusively for the Banish 20, also sold as the BANISH SGN 20 TI, and will not fit other suppressors. Match the mount to your barrel's choke pattern and gauge, thread it in snug, and you are set for quieter mornings in the field.
Key Specifications
- Manufacturer: Banish (Silencer Central)
- Manufacturer Part Number: 100000350185
- UPC: 810171227355
- Compatible Suppressor: Banish 20 / BANISH SGN 20 TI only
- Choke Thread Pattern: Beretta Optima HP
- Gauge: 20 Gauge
- Material: 17-4 PH Stainless Steel
- Finish: Black Nitride
- Type: Suppressor Choke Mount Adapter
What’s Included
- Banish 20 choke mount adapter, Beretta Optima HP pattern
Frequently Asked Questions
How do I know if my Beretta needs the Optima HP version of the Banish 20 choke mount?
Look at the markings on your barrel near the gauge stamp. Optima HP barrels are typically marked OB HP or Optima-Choke HP, and you'll find that threading on 20 gauge guns like the A400 family. If your barrel says Mobilchoke instead, you need the Beretta Mobil version of this mount, since the two thread patterns are not interchangeable.
Will this mount work with other shotgun suppressors like the Salvo 12 or the Banish 12?
No. This mount is built exclusively for the Banish 20, also known as the BANISH SGN 20 TI. The Banish 12 and other shotgun suppressors use their own dedicated mounts, so make sure you match both the suppressor model and your barrel's choke pattern when ordering.
Do I lose my choke when I install the Banish 20 with this adapter?
You remove your factory choke tube to install the mount, but you don't give up pattern control. The Banish 20 accepts its own interchangeable choke tubes that thread into the front of the suppressor, with Improved Cylinder, Modified, and Full options. That means you can still tighten or open up your pattern while running suppressed.
Can I use one Banish 20 on several different shotguns?
Yes, and that's one of the best parts of the choke mount system. Buy a mount for each 20 gauge you own, leave them installed, and move the suppressor between guns in about the time it takes to swap a choke tube. Just make sure each mount matches that specific barrel's choke thread pattern.




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