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Sierra matchking performance on game
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<blockquote data-quote="greenejc" data-source="post: 2335862" data-attributes="member: 60453"><p>Most of the 'controlled expansion' bullets begin to fail to open up at around 1700fps. Cup and core bullets with exposed lead will generally still expand at around 1400fps. Nosler Partitions are an exception, due to their dual construction. Speer Grandslams are also an exception. As for the mono bullets, and a number of the 'bonded' bullets, most of them are designed to hold together for high velocity (2800fps or faster) impacts. This means they're a tough bullet, and its corollary is that they don't expand well at velocities below about 1700fps. There are exceptions such as the Barnes bullets, but not many, and very few of these bullets (Burger and some Noslers) have good B.C.'s. The match bullets tend to be on the other end of the scale, being more lightly constructed, with lead cores that are softer than some of the hunting bullets. I think Matchking and other match bullets, such as the Nosler Competition and the Hornaday Amax are great game bullets at distances past 200 yards. But if you talk to Sierra, they'll tell you that the accuracy requirements for the Gameking and the Matchking are basically the same. I get groups of 0.6" from the 180 and 200 grain Gamekings in my 300 Win Mags and 0.7" in my 1903A3 with 5 shots at 100 yards, and under 1.5" at 300 yards. Since they meet or exceed my accuracy requirements and cost up to $10 less a hundred, I'm happy with them. I've posted 4.5" groups with them at 600 yards in windy conditions (whipping winds up to 20mph), and while not barn burning groups, in a standard rifle with only minor modifications and a little tuning, that's good enough for me. My 35 Whelens will group both the Sierra Gameking 225 grain boat tail 5and the 250 grain Speer Hotcor into 5 shot groups inside 0.8" at 100 yards, too. Since these bullets still have around 1950 fps at around 500 yards, they are extremely effective. I use the 35 more than I use the 300 for big game.</p></blockquote><p></p>
[QUOTE="greenejc, post: 2335862, member: 60453"] Most of the 'controlled expansion' bullets begin to fail to open up at around 1700fps. Cup and core bullets with exposed lead will generally still expand at around 1400fps. Nosler Partitions are an exception, due to their dual construction. Speer Grandslams are also an exception. As for the mono bullets, and a number of the 'bonded' bullets, most of them are designed to hold together for high velocity (2800fps or faster) impacts. This means they're a tough bullet, and its corollary is that they don't expand well at velocities below about 1700fps. There are exceptions such as the Barnes bullets, but not many, and very few of these bullets (Burger and some Noslers) have good B.C.'s. The match bullets tend to be on the other end of the scale, being more lightly constructed, with lead cores that are softer than some of the hunting bullets. I think Matchking and other match bullets, such as the Nosler Competition and the Hornaday Amax are great game bullets at distances past 200 yards. But if you talk to Sierra, they'll tell you that the accuracy requirements for the Gameking and the Matchking are basically the same. I get groups of 0.6" from the 180 and 200 grain Gamekings in my 300 Win Mags and 0.7" in my 1903A3 with 5 shots at 100 yards, and under 1.5" at 300 yards. Since they meet or exceed my accuracy requirements and cost up to $10 less a hundred, I'm happy with them. I've posted 4.5" groups with them at 600 yards in windy conditions (whipping winds up to 20mph), and while not barn burning groups, in a standard rifle with only minor modifications and a little tuning, that's good enough for me. My 35 Whelens will group both the Sierra Gameking 225 grain boat tail 5and the 250 grain Speer Hotcor into 5 shot groups inside 0.8" at 100 yards, too. Since these bullets still have around 1950 fps at around 500 yards, they are extremely effective. I use the 35 more than I use the 300 for big game. [/QUOTE]
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