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Fiocchi

Fiocchi Range Dynamics Subsonic 300 BLK Sierra MatchKing HP-BT 220 Grain 25 Rds

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Fiocchi Range

Dynamics subsonic 300 BLK ammunition

Sierra Matchking

HP-BT 220 grain bullets

Thick Jacket,

Improved boat-tail, and long ogive

Factory-loaded Ammunition

From Fiocchi

Packaged 25-round

Box

$23.49
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SKU: WX2*0741575

Overview

Built for shooters who want a factory-loaded subsonic option in 300 BLK, this ammunition pairs Sierra MatchKing HP-BT bullets with Fiocchi’s Range Dynamics line. It is suited to range work and precision-focused shooting where a consistent subsonic load is the goal. The MatchKing bullet design is described with a thick jacket, improved boat-tail, and long ogive. Packaged in 25 rounds, it offers a practical option for hunters and shooters who want to train with a purpose-built load.

Why Hunters Choose the Fiocchi

Subsonic 300

BLK load suited to quiet-range

Uses Sierra

MatchKing HP-BT 220 grain bullets

Thick Jacket,

Improved boat-tail, and long ogive

Factory-loaded Fiocchi

Ammunition offers convenient ready-to-shoot packaging

25-round Box

Practical quantity for range sessions

Key Features

  • Fiocchi Range Dynamics subsonic 300 BLK ammunition
  • Sierra MatchKing HP-BT 220 grain bullets
  • Thick jacket, improved boat-tail, and long ogive
  • Factory-loaded ammunition from Fiocchi
  • Packaged in a 25-round box
  • Loaded at Fiocchi's Ozark, Missouri facility

Best Used For

  • Hunters and shooters needing subsonic .300 BLK ammunition for range practice and familiarization
  • Users focused on factory-loaded .300 BLK with Sierra MatchKing HP-BT 220 grain bullets
  • Shooters wanting a 25-round box for controlled sessions and load testing
  • Those seeking precision-oriented ammunition for suppressed .300 BLK setups

Specifications

Boat TailImproved boat-tail
Bullet TypeSierra MatchKing HP-BT
Bullet Weight220 Grain
Caliber300 BLK
JacketThick jacket
Loaded AtFiocchi facility in Ozark Missouri
OgiveLong ogive
Precision ClaimPrecision you can count on at a factory-loaded price you can afford
Rounds25 Rds
SubsonicYes

Pros

  • Subsonic 300 BLK load suited to quiet-range use and compatible platforms.
  • Uses Sierra MatchKing HP-BT 220 grain bullets.
  • Thick jacket, improved boat-tail, and long ogive are specified features.
  • Factory-loaded Fiocchi ammunition offers convenient ready-to-shoot packaging.
  • 25-round box provides a practical quantity for range sessions.

Considerations & Trade-offs

  • This is subsonic 300 BLK ammunition, so it is purpose-built for that use case rather than for maximum velocity applications.
  • The 220 grain load may not suit shooters who are set up around lighter 300 BLK loads or different recoil/trajectory preferences.
  • The box contains 25 rounds, which is a relatively small quantity for high-volume range sessions.
  • The product description emphasizes precision-oriented MatchKing bullets, so it is best viewed as a range-focused load rather than a general-purpose option.

Suggested Comparisons

  • Subsonic rifle ammunition
  • .300 Blackout ammunition
  • Match-grade target ammunition
  • Factory-loaded ammunition

Suggested Accessories

  • Ammunition storage box
  • Hearing protection
  • Cleaning kit
  • Range bag

Frequently Asked Questions

What caliber and bullet type is this ammunition loaded with?

This is Fiocchi Range Dynamics Subsonic 300 BLK ammunition loaded with a Sierra MatchKing HP-BT 220 grain bullet.

How many rounds come in the box?

The product is listed as 25 rounds.

Is this ammunition subsonic?

Yes. The product title identifies it as subsonic 300 BLK ammunition.

What does the product description say about the bullet design?

The description says the MatchKing bullets feature a thick jacket, improved boat-tail, and long ogive.

Where is this ammunition loaded?

The description states it is loaded at Fiocchi’s facility in Ozark, Missouri.