- Different competitions have different rules on the use of equipment. It is adviseable to check with the particular competition committee to make sure what you wish to use is allowed before going on the firing line.
For I.S.S.F. shooters, item 6.2.3 'Ear Protection' in the 'Technical Rules for All Shooting Disciplines', Edition 2001, page 5, states : "......Ear protectors incorporating any type of receiving devices are not permitted for shooters."