Rusan Q-R adapter M52x0.75 for Ø67 mm (ARM52-67)

What it is and what it does

The Rusan ARM52-67 adapter is intended to couple night-vision and thermal clip-on devices to a riflescope objective. It allows devices with an M52x0.75 thread to be mounted on scopes whose objective bell has an outer diameter of 67 mm.

Key characteristics

The adapter features an M52 x 0.75 thread on the device side and the ARM52-67 designation denotes a 67 mm outer diameter. The general clamping length for the ARM52 series is 37 mm, although some sizes in the series are 27 mm. The upper part is made from a high grade aluminium alloy. The product weight shown on the product page is 0.164 kg.

Compatibility

Suitable for clip-on devices with M52x0.75 thread. Examples of compatible models include Liemke Luchs 1 & 2, Liemke Merlin 35, Night Pearl Seer, Cono Seer, Leica Calonox 2, Guide TAxxx, Burris BTC, JSA, Nitehog Viper, Steiner Nighthunter C35 and Lahoux Clip 35 & 50. Some installations may require reduction rings or additional adapters.

Accessories and mounting

Reduction rings are available to adapt different diameters, the ERD552 extension ring is available for protruding lenses, and Weaver rails (WRA-9, WRA-17, WRA-25) are offered for adapters 47 mm and larger to assist specific mounting configurations.