Sierra MatchKing (SMK) bullets are premium, competition-grade projectiles manufactured by Sierra Bullets, widely recognized for setting global standards in target shooting accuracy. They are designed for maximum consistency in weight and dimension, featuring thin jackets for precision, and are commonly used in long-range rifle competitions.
Key Product Features
- Design: Most MatchKing bullets utilize a Hollow Point Boat Tail (HPBT) design, which minimizes drag, increases the ballistic coefficient (BC), and provides better resistance to crosswinds.
- Accuracy Standards: Jackets are drawn to an exacting concentricity standard of 0.0003 in maximum variation, with weights held to within ± 0.3 grain.
- Tipped MatchKing (TMK): A variation of the line that adds an acetal resin tip to reduce drag, improve the BC, and ensure reliable feeding in magazine-fed firearms.
- MatchKing X (MKX): A newer evolution designed to blend match-grade accuracy with enhanced terminal performance, featuring a softer lead core and tapered jacket for, in some cases, hunting applications.
Common Applications
- Target Competition: Used for benchrest, F-Class, and service rifle competitions.
- Long-Range Shooting: Specifically designed to remain stable and accurate at extended distances.
- Varmint Hunting: While they can be used for this purpose, Sierra generally does not recommend standard MatchKing or Tipped MatchKing bullets for traditional big-game hunting, as they are not designed for controlled expansion.
Key Product Offerings
- 30 Caliber: The 168-grain (#2200) and 175-grain (#2275) are staples for .308 Winchester, with the 175-grain specifically designed to stay supersonic at 1,000 yards.
- 22 Caliber: Popular options include the 69-grain (#1380) and 77-grain (#9377) for AR-15/Service Rifle platforms.
- Other Calibers: Ranging from 6mm to 8mm, including specialized, high-BC options for F-Class (e.g., 7mm 180-grain).
Important Notes
- Not for Hunting: Standard MatchKings are not recommended for big game, as they may not expand reliably.
- Twist Rate: Many of the heavier, high-BC bullets require faster barrel twist rates (e.g., 1×8″ or 1×9″) for stabilization.
- Reloading Only: These are bullets (projectiles) intended for reloading, not loaded ammunition.
Note: The new MatchKing X (MKX) line is designed for better terminal performance, as described in the search results, making it an alternative for hunters seeking high accuracy.
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