HIGH STANDARD FLITE KING DELUXE 2 3/4 CHAMBER 12 GA FIELD GUN TWO ASTERISKS STAMPED INDICATE A MODIFIED CHOKE CONSTRUCTION. THIS IS A FIXED NON-INTERCHANGEABLE CHOKE OPTIMIZED FOR MID-RANGE SHOOTING IDEALLY BETWEEN 25 TO 45 YARDS MAKING IT HIGHLY VERSATILE FOR GENERAL SMALL GAME,TRAP SHOOTING, AND UPLAND BIRD HUNTING. SN# 3140942