The Fiocchi Range Dynamics .300 Blackout 220gr Sierra MatchKing HPBT, 25-Round Box (Fiocchi part no. 300BLKMB) is a heavy-bullet target load from Fiocchi. Range Dynamics is the maker’s line for shooters who live at the range, built for high-volume practice, equipment testing and fundamentals work. This load pairs a 220-grain Sierra MatchKing hollow point boat-tail bullet with a published muzzle velocity of 1020 fps. The maker lists its usage as target shooting, which makes it a practical choice for range days with a .300 Blackout rifle. Each box holds 25 rounds.

Key Specifications

• The chambering is .300 Blackout, the single designation the maker prints for this load.
• Bullet weight is 220 grains, as listed on the maker’s product page.
• The bullet is a Sierra MatchKing HP Boat-Tail, the match-style hollow point the maker names for this item.
• Muzzle velocity is 1020 fps, the figure published in the maker’s ballistics table.
• Muzzle energy is 508 ft-lbs, taken from the same published table.
• Velocity at 100 yards is 987 fps, the next point in the same published table.
• Wind drift at 500 yards in a 10 mph crosswind is 20.3 inches, as the maker publishes.
• The ballistic coefficient is .629, a figure that describes how well the bullet holds its speed downrange.
• The package quantity is 25 rounds, a box sized for sighting in and short practice sessions.
• The maker lists its usage as target shooting, in line with the Range Dynamics line.

Frequently Asked Questions

How many rounds come in the box? The box holds 25 rounds of .300 Blackout ammunition.

What bullet does this load use? It uses a 220-grain Sierra MatchKing hollow point boat-tail bullet, with a published muzzle velocity of 1020 fps.

What is this load intended for? Fiocchi lists the usage as target shooting, and the Range Dynamics line is built for high-volume range practice.

Buy the Fiocchi Range Dynamics .300 Blackout 220gr Sierra MatchKing HPBT, 25-Round Box

If you want a 220-grain match-style bullet for range work in .300 Blackout, this Range Dynamics load is a direct way to get it. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse more rifle ammunition while you are here.