Scope Mount for Ruger MK I / MK II B Square

B-Square 42878 Scope Mount for Ruger MK I / MK II

The B-Square 42878 is a high-precision scope mount designed specifically for Ruger MK I and MK II pistols.
Thanks to its clamp-on mounting system, it allows you to install optics without drilling or making permanent modifications to your firearm, preserving the original finish and frame integrity.

Made from durable stainless steel, this mount provides a stable and reliable platform for red dots, reflex sights, or compact scopes. Ideal for shooting enthusiasts—whether at the range or in dynamic shooting disciplines—it offers easy installation, even for less experienced users.

Key Features

• Compatible with Ruger MK I / MK II

• No-drill installation – no gunsmithing required

• Made from stainless steel for strength and durability

• Slim design that does not interfere with loading or ejection

• Perfect for mounting red dot sights, compact optics, and shooting accessories

Benefits

• No permanent modification to the firearm

• Quick and simple setup

• Ideal for sport shooting or recreational use

• An affordable and practical solution to enhance shooting accuracy