Sierra MatchKing 243 Cal 6mm 107 Grain HPBT Bullets

The Sierra MatchKing 243 Cal 6mm 107 Grain HPBT Bullets are match-grade rifle projectiles built for competitive shooters and precision handloaders who demand extreme accuracy at distance. Born from decades of Sierra's competition expertise, these 107-grain hollow-point boat-tail rounds have earned their reputation on the national stage—setting records and winning championships in High Power rifle, Silhouette, and other long-range competitive disciplines where sub-MOA performance is non-negotiable. If you're handloading for a 243 Winchester or 6mm rifle and your priority is consistency and precision, this is the bullet to chamber.

The 107-grain bullet design delivers the ballistic stability and aerodynamic efficiency Sierra's match shooters have relied on for years. Its boat-tail profile and carefully engineered hollow-point cavity minimize drag and maximize stability downrange, critical for holding tight groups at competitive distances. The heavier jacket construction—a hallmark of MatchKing ammunition—prioritizes accuracy over rapid expansion, making these rounds unsuitable for hunting. Short-range varmint shooting is possible with disciplined shot placement, but these bullets shine brightest when paper is your target and precision is the score.

Important: These bullets require a 1x7 to 1x8 twist barrel to shoot safely and accurately. Handloaders should verify barrel twist before loading. With a sectional density of .259, you'll have detailed ballistic coefficient data across velocity ranges—critical intel for long-range load development and trajectory calculation. Whether you're prepping for a High Power match, running a Silhouette course, or simply chasing the tightest groups your rifle will print, Sierra MatchKing 107s are a proven component choice for reloaders who refuse to compromise on accuracy.

Key Features

• Match-grade accuracy proven in National Match and Silhouette competition
• Boat-tail design for superior aerodynamic stability and reduced drag
• Hollow-point cavity optimized for precision, not expansion
• Heavy jacket construction for competitive-level consistency
• Detailed ballistic coefficient data across four velocity ranges for load optimization
• Requires 1x7 to 1x8 twist barrel for safe, accurate performance

Specifications

Frequently Asked Questions

What twist rate barrel do I need for these 243 MatchKing bullets?

The Sierra MatchKing 107 grain requires a 1x7 to 1x8 twist barrel. Verify your rifle's twist rate before loading to ensure safe, accurate performance.

Are these bullets suitable for hunting?

No. MatchKing bullets are purpose-built for competitive shooting and precision target work. They are not recommended for hunting. The heavy jacket design does not provide the rapid expansion needed for hunting applications.

Can I use these for varmint shooting?

Yes, but with important caveats. The heavier jacket will not produce the explosive expansion of lighter-jacketed varmint bullets at equivalent velocities on small game. If you do use them for varmint work, keep ranges short and rely on precise shot placement. These bullets will always perform best as match and target ammunition.

What does the ballistic coefficient data mean for my handloading?

Sierra provides four BC values across different velocity ranges so you can accurately calculate trajectories and make informed load decisions for your specific rifle and hunting or target scenario. Use the BC that matches your anticipated muzzle velocity for the most precise ballistic predictions.