"Special Offer" this black mesh brass catcher attaches easily to most rifles to catch shell cases as they are ejected allowing you to easily save the brass. velcro strap (28cm long) and flex wire band allows this to be manipulated to wrap around most rifles. Work on bolt action rifles by making sure the catcher bag opening is fitted just short of the closed bolt. Catcher opening is 130mm long x 50mm wide. The zipped mesh bag measures 150mm wide x 190mm long and the zip can be left open to act like a brass deflector and drop the brass in a controlled area or into a container keeping the brass clean.