Sierra MatchKing X (MKX) bullets are a 2025 release designed to bridge the gap between target precision and terminal hunting performance. Featuring a tapered jacket, softer lead core, and light skives on the nose, they offer rapid expansion, high ballistic coefficients (e.g.,
0.5050.505
0.505
G1 for 270 cal), and sub-half MOA accuracy without requiring seating die adjustments.
Key Features and Performance
- Design: These bullets combine a traditional Hollow Point Boat Tail (HPBT) profile with a redesigned, thinner jacket at the nose to ensure reliable expansion on game.
- Accuracy: They are manufactured to the same stringent standards as the original MatchKing, with consistent, low-variation weights and jackets.
- Versatility: Suitable for both, they allow users to switch from target to hunting loads without re-adjusting their seating dies.
- Terminal Performance: Engineered for rapid expansion and creating large wound channels on thin-skinned game, with effective performance out to 500 yards.
- Available Calibers: Initial releases include 6mm (107gr), 6.5mm (142gr), 270 cal (135gr), 7mm (175gr), and 30 cal (200gr).
Performance Data
- Expansion: Tests showed massive expansion and, in some cases (such as the 30 cal 200gr), high fragmentation, retaining approximately 40-45% of weight in gel tests.
- Penetration: Tested to penetrate up to 20+ inches, suitable for deep, damaging wounds.
- Usage: Ideal for long-range hunting (e.g., Western-style) and competitive shooting like NRL.
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