BSA red dot optics are designed for installation on both 11 mm (airgun) and 3/8" (rimfire) dovetail mounts.
The BSA Red Dot is shipped to attach to a standard ⅜ inch rimfire mount. To covert the mount and make it compatible with your 11mm dovetail airgun mount, follow these steps:
- Locate the stamped "⅜" marking on the top of the clamping piece that moves.
- Remove the locking nuts from the screws.
- Flip the clamp over so the number 11 is facing up.
- Re-attach the locking nuts to the screws.
Your BSA Red Dot is now compatible with your 11mm dovetail optics mounting rail.