For NRA Highpower, rule 3.18 General applies, not 3.22 Electronic Devices.
3.18 General—All devices or equipment which may facilitate shooting and which are not mentioned in these rules, or which are contrary to the spirit of these rules and regulations, are forbidden. The Match Director, Official Referee, Jury Chairman or Supervisor shall have the right to examine a shooter’s equipment or apparel. The responsibility shall be upon the competitor to submit questionable equipment and apparel for official inspection and approval in sufficient time prior to the beginning of a match so that it will not inconvenience either the competitor or the official.
3.18 General—All devices or equipment which may facilitate shooting and which are not mentioned in these rules, or which are contrary to the spirit of these rules and regulations, are forbidden. The Match Director, Official Referee, Jury Chairman or Supervisor shall have the right to examine a shooter’s equipment or apparel. The responsibility shall be upon the competitor to submit questionable equipment and apparel for official inspection and approval in sufficient time prior to the beginning of a match so that it will not inconvenience either the competitor or the official.
