Sierra Releases New Matchking X Hunting Bullet

Sierra has a new option in the Matchking product family. The Matchking X takes the legendary precision of the Matchking and adapts it for hunting use. These bullets even have the same profile as the standard Matchking models to keep the same point of impact when switching between the standard bullet at matches and the X bullet for hunting.
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Other changes that make the Matchking X more suitable for hunting include a softer lead core for better expansion and a jacket that is thicker toward the base and thinner toward the tip. But like the original, it has a boat tail design and tangent ogive profile. Sierra promises consistent expansion at midrange velocities.
Sierra Matchking X Bullet Options
- 6.5mm 142-grain $60.99/100, $293.99/500
- .270 135-grain $57.99/100, $290.99/500
- .308 175-grain $58.99/100, $289.99/500
- .308 200-grain $63.99/100, $294.99/500
All options have an anticipated ship date of May 21.
From the manufacturer:
“Designed for the modern shooter, MatchKing® X (MKX) represents the next evolution of our legendary MatchKing® series—combining deadly terminal performance with the proven accuracy and shot-to-shot consistency that MatchKing is known for. Redesigned with a softer lead core and a tapered nose, MKX bullets are held to the same tight accuracy standards as the original, now with enhanced terminal performance. Whether you're at a match or in the field, MatchKing® X is built to bring home the prize.
The 142-grain Hollow Point Boat Tail MatchKing X (MKX) is a mirrored image of the renowned 142-grain MatchKing, sharing the same ogive profile and external dimensions. This means you can switch between precision match shooting and hunting without making any seating die adjustments.
Engineered for reliable expansion at midrange velocities, the MKX delivers match-grade accuracy in a true hunting bullet. With a high ballistic coefficient of 0.595 (G1), it mirrors the performance of its MatchKing counterpart in flight, while providing the terminal performance hunters demand. Whether you're ringing steel or taking game, the MKX proves you don’t have to sacrifice precision for performance.”

AKA @fromtheguncounter on Instagram. Gun nerd, reloader, attorney, and mediocre hunter.
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What's the general consensus on accuracy of softer lead vs harder lead/copper? I've always thought that softer lead bullets seem to be more forgiving in more barrels, therefore shooting more accurately across the average. But I'm no expert.
It was hinted to me that there would be a .224 77 MatchKingX, but it appears that didn't happen. I'm pretty disappointed.