The Sierra Tipped GameKing (TGK)—also known as the GameChanger—is a premium hunting bullet that blends match-grade accuracy with devastating terminal performance.
Available Variants:
1. 6mm (.243) 90gr TGK
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BC: G1 .490
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Use Case: Ideal for .243 Win, 6mm Creedmoor, and similar cartridges
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Game: Deer, antelope, coyotes
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Expansion: Reliable down to ~1800 fps; rapid expansion with deep penetration
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Twist Rate: Works well with 1:10 or faster
2. 6.5mm (.264) 140gr TGK
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BC: G1 .545
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Use Case: Perfect for 6.5 Creedmoor, .260 Rem, 6.5 PRC
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Game: Mule deer, hogs, elk (with proper shot placement)
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Profile: Long-range capable with excellent retained energy
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Twist Rate: 1:8 or faster recommended
3. 7mm (.284) 165gr TGK
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BC: G1 .610
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Use Case: Built for 7mm Rem Mag, 7mm-08, and similar
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Game: Elk, moose, large-bodied deer
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Performance: High weight retention, deep penetration, and controlled expansion
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Twist Rate: 1:9.5 or faster
4. 22 CAL 64GR TGK
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BC: G1 .323
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Use Case: .223 Remington, 5.56 NATO, and other .224-cal platforms
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Game: Coyotes, foxes, prairie dogs, and small to medium game
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Performance: Rapid expansion with match-grade accuracy and reliable weight retention
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Twist Rate: 1:12 or faster
🧠 Why It’s a GameChanger
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Polymer Tip: Initiates rapid expansion while improving aerodynamics
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Open Pocket Under Tip: Promotes instant core disruption on impact
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Tuned Ogive: Optimized for high BC and smooth feeding
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Jacket Wall Control: Ensures weight retention and deep penetration
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Match Accuracy: Derived from Sierra’s MatchKing lineage, but tuned for hunting
🦌 Use Case
Ideal for medium game like deer and antelope at ranges from 100 to 600+ yards. The TGK’s expansion profile makes it lethal even at lower velocities, while its boat tail keeps it stable in wind.
