The Mesa Tactical Stock Adapter (MPN 93890) is a cast steel adapter that lets a 20 gauge Remington 870 accept 12 gauge stock options.

Key Specifications

• Cast steel construction
• Built specifically for the Remington 870
• Adapts a 20 gauge receiver to accept 12 gauge stocks
• Opens up compatibility with Mesa Tactical’s Urbino stocks, telescoping stock adapter kits, and the Hydraulic Buffer system

Frequently Asked Questions

Why would I need this adapter?
There are far more stock options built for 12 gauge 870s than 20 gauge, so this adapter unlocks that wider selection.

What stock options does it open up?
Mesa Tactical’s Urbino stocks, telescoping stock adapter kits, and even their Hydraulic Buffer system.

What is the adapter made from?
Cast steel.

Buy the Mesa Tactical Stock Adapter

Unlock 12 gauge stock options for your 20 gauge 870 with this adapter from Mesa Tactical. Ships fast from Lubbock, TX, part of our shotgun parts lineup.