The Sierra 6mm (.243) 90-grain Tipped GameKing (TGK) is a jacketed reloading bullet engineered for consistent external ballistics and controlled expansion. It features a polymer tip seated over an open pocket and a boat-tail profile intended to promote stable flight and retained weight. These bullets are supplied in boxes of 100 for reloading use; this is not loaded ammunition.
Key Specifications
- The caliber is 6mm (.243).
- The bullet weight is 90 grains.
- The bullet type is Tipped GameKing (Hollow Point / TGK).
- The bullets per box is 100.
- The jacket material is copper.
- The core material is lead.
- The bullet tip material is polymer.
- The ballistic coefficient (G1) is 0.490.
- The sectional density is 0.218.
- The design includes an open pocket under the polymer tip and a boat-tail for stable flight.
These Tipped GameKing bullets combine a tuned ogive and polymer tip for uniform aerodynamic performance and an open pocket intended to initiate reliable expansion while the copper jacket controls weight retention. The boat-tail profile and tuned geometry support consistent accuracy at a range of practical hunting and precision-reloading 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.




