If you shoot frequently, clean your choke tube at least every 15 days. How? You can use an ultrasonic cleaning machine, or alternatively, our Gemini Cleaning & Lubrication Kit including: 1 brush for the inner part of the choke tube, 1 brush for the outer one (Ported +20 mm), 1 bottle of detergent, 1 bottle of grease and a small cloth.
