The Fiocchi Hyperformance Match .300 Winchester Magnum 190gr Sierra MatchKing HP load is a 20-round box of .300 Winchester Magnum rifle ammunition (Fiocchi part no. 300WMMKE). It carries a 190-grain Sierra MatchKing HP boat-tail bullet rated at 2900 fps at the muzzle, with a published ballistic coefficient of .533 and 3548 ft-lbs of muzzle energy. Fiocchi lists the usage for this load as competition and target shooting. The maker’s own table shows 2089 fps and 1841 ft-lbs of energy remaining at 500 yards, with 16.4 inches of drift in a 10 mph crosswind at that distance. That is the kind of published data a shooter wants when building a range card for a .300 Winchester Magnum rifle.

Key Specifications

• Chambering is .300 Winchester Magnum, the single cartridge designation Fiocchi lists for this load.
• Bullet weight is 190 grains, the weight the published ballistics are built around.
• The bullet is a Sierra MatchKing HP boat-tail, the construction that defines how this load flies and performs on target.
• Muzzle velocity is rated at 2900 fps, the starting point for every downrange figure in the maker’s table.
• The ballistic coefficient is .533, a number that tells you how well the bullet resists drag in flight.
• Muzzle energy is 3548 ft-lbs, the figure Fiocchi publishes for the load at the muzzle.
• Velocity at 500 yards is 2089 fps, which shows how much speed the bullet carries to long range.
• Wind drift at 500 yards is 16.4 inches in a 10 mph crosswind, useful for planning long-range holds.
• The box holds 20 rounds, a practical count for load development, range sessions or a hunting trip.
• Fiocchi lists the usage as competition and target shooting, the job this Hyperformance Match load was built for.

Frequently Asked Questions

What velocity and energy does Fiocchi publish for this load? Fiocchi rates it at 2900 fps and 3548 ft-lbs at the muzzle, falling to 2089 fps and 1841 ft-lbs at 500 yards.

What bullet does the Fiocchi .300 Winchester Magnum 190gr Sierra MatchKing HP load use? It uses a 190-grain Sierra MatchKing HP boat-tail bullet, listed by Fiocchi in its Hyperformance Match line.

How many rounds are in the box? This Fiocchi .300 Winchester Magnum 190gr Sierra MatchKing HP listing is a single box of 20 rounds.

Buy the Fiocchi Hyperformance Match .300 Winchester Magnum 190gr Sierra MatchKing HP Rifle Ammunition, 20 Rounds

Rifle shooters who like to see the numbers before they buy will find the full ballistic story for this Hyperformance Match load on its maker’s page. Fiocchi built it around a Sierra MatchKing HP boat-tail bullet in .300 Winchester Magnum. Order from Fiocchi‘s selection of rifle ammunition for fast, insured shipping from our Lubbock, Texas gun shop.