The Sierra MatchKing X (MKX) 175-grain Hollow Point Boat Tail is engineered to pair the external ballistics of a match-grade profile with reliable expansion at mid-range velocities. It shares ogive profile and external dimensions with Sierra’s MatchKing series, allowing consistent seating and load interchangeability. The MKX is intended for shooters who want match-grade accuracy alongside enhanced terminal performance for field use.
Key Specifications
- The bullet weight is 175 grains.
- The listed caliber is .30 Caliber.
- The bullet diameter is .308 inches (also referenced as 7.62 NATO).
- Each box contains 100 bullets.
- The bullet is a Hollow Point Boat Tail (HPBT) design.
- The bullets feature a jacketed construction.
- The product line is identified as MatchKing X.
- The published ballistic coefficient is 0.505 (G1).
- Boxes per case are listed as 5.
Whether you are assembling precision target loads or preparing matched field ammunition, the MatchKing X 175 gr HPBT delivers consistent external ballistics with engineered expansion at hunting distances. Its compatibility with standard MatchKing seating profiles makes it a practical choice for reloaders who want predictable, repeatable performance in both match and field applications.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




