.22 CALIBER (.224) 90 GR. HPBT MATCH (500 BULLETS The 22 caliber 90 grain Hollow Point Boat Tail was created in response to the increasing demands of Long Range shooters. With the success of the AR-15/M16 rifles in Long Range competition, the need was felt to maximize the ballistic potential of these rifles. The 90 grain MatchKing is the final product of a series of tests, covering both accuracy and exterior ballistics, to arrive at the best possible bullet for the Long Range competitor. Designed specifically for the .223 Remington / 5.56x45mm cartridge, the new 90 MK is at equally at home in both Match and Service Rifles. Due to the inherent requirements for a bullet of this type, the 90 grain MK is intended for single loading, and is not intended to be fed from a magazine. Please Note!! This bullet requires at least a 1x6.5" twist barrel.