MIDWEST MK2 ACRO MOUNT 1/3 COWITNESS

The Midwest Industries MK2 ACRO Mount delivers precise 1/3 cowitness positioning for shooters who demand repeatable optics placement. Whether you're setting up in Vallejo or across the Bay Area, proper mounting is foundational to your platform's performance. TacticCAL Gun Store handles FFL transfer in Sunnyvale and stocks the hardware serious shooters rely on.

1/3 Cowitness Height and Receiver Extension Design

The MK2 receiver extension platform provides consistent 1/3 cowitness geometry, aligning your optic with backup iron sights for layered aiming options. Midwest Industries engineered this mount for AR-pattern rifles and pistol platforms requiring precision optics mounting. If you're transferring a firearm through TacticCAL, our team walks you through the private party transfer process and helps you select the right mounting hardware for your build. Browse our firearms dealer.

Frequently asked questions

What optic footprints does the MK2 ACRO Mount accept?

The MK2 is designed for ACRO-pattern optics. Verify your red dot or reflex sight footprint matches the ACRO interface before purchase. Midwest Industries publishes compatibility guides on their site.

Does this mount work on both rifle and pistol receivers?

The MK2 receiver extension design fits standard AR-pattern upper receivers and MOS-cut pistol slides. Confirm your platform's rail interface before ordering to ensure proper seating.

Where is the closest FFL dealer to Santa Clara, Mountain View, or Palo Alto?

TacticCAL Gun Store in Sunnyvale is a short drive from Santa Clara, Mountain View, and Palo Alto, serving the South Bay as a full-service FFL dealer for transfers and DROS. Looking for FFL dealer Menlo Park? Visit us in Sunnyvale.