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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Hornady 6.5 140 gr GMX
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<blockquote data-quote="nicholasjohn" data-source="post: 2075727" data-attributes="member: 109113"><p>I'm interested in hearing about how this all works out for you. Although this GMX bullet doesn't have a high BC, it's certainly as high as any standard lead-core spitzer of that diameter & weight, so any hogs out to three or four hundred yards out to be in serious trouble. Beyond that, you'll probably have more retained striking energy with the somewhat lighter LRX you had been using - not to mention the flatter trajectory. If the 140's thump them harder closer in, you will have all your bases covered. </p><p></p><p>I'm not surprised that the H4350 did the trick for you. I am a pleased to see that you got decent velocity, since the long bearing surface of this hard bullet has been said to boost pressure. Hornady doesn't use as many relief grooves as Barnes does. They say that the gilding metal isn't as "sticky" as pure copper is, so they aren't really necessary to keep pressures in check. Your loading experience seems to be in line with this. </p><p></p><p>I've used the GMX to shoot several deer, but in the 30-06 factory loads from Hornady. Several Oregon blacktails with the Superformance 165-grain loads all dropped with one shot each. All were frontal chest shots, which I don't really like all that well. ( You get a lot of that when you rattle them in.) All bullets exited, after going through the deer lengthwise. I don't think that there was a ton of expansion. Internal damage was not extreme, and exit holes were small. This is fine with me, and all of the animals dropped on the spot. </p><p></p><p>Someone mentioned on this thread about the Lapua Naturalis, a 140-grain round-nose. I think this GMX bullet would be a somewhat better deal, due to the spitzer design. The Lapua is probably the bullet to use in something like an old 6.5 X 54 Mannlicher-Schoenauer, where the round-nose design figures into the overall cartridge shape that is necessary to feed properly from the rotary magazine. I have one of these old rifles, and I have heard that they can be touchy in what they will or won't feed smoothly. I haven't loaded for it yet, but fully intend to. I think the Lapua bullet is probably nearly identical in length and in shape to the old-style 160-grain round-nose lead-core bullets that the magazines were designed to feed properly. When these rifles were designed & built, that was all that anybody used, in either soft-point or FMJ. I'd like to try the GMX, but I think I'd be barking up the wrong tree with most any spitzer.</p></blockquote><p></p>
[QUOTE="nicholasjohn, post: 2075727, member: 109113"] I'm interested in hearing about how this all works out for you. Although this GMX bullet doesn't have a high BC, it's certainly as high as any standard lead-core spitzer of that diameter & weight, so any hogs out to three or four hundred yards out to be in serious trouble. Beyond that, you'll probably have more retained striking energy with the somewhat lighter LRX you had been using - not to mention the flatter trajectory. If the 140's thump them harder closer in, you will have all your bases covered. I'm not surprised that the H4350 did the trick for you. I am a pleased to see that you got decent velocity, since the long bearing surface of this hard bullet has been said to boost pressure. Hornady doesn't use as many relief grooves as Barnes does. They say that the gilding metal isn't as "sticky" as pure copper is, so they aren't really necessary to keep pressures in check. Your loading experience seems to be in line with this. I've used the GMX to shoot several deer, but in the 30-06 factory loads from Hornady. Several Oregon blacktails with the Superformance 165-grain loads all dropped with one shot each. All were frontal chest shots, which I don't really like all that well. ( You get a lot of that when you rattle them in.) All bullets exited, after going through the deer lengthwise. I don't think that there was a ton of expansion. Internal damage was not extreme, and exit holes were small. This is fine with me, and all of the animals dropped on the spot. Someone mentioned on this thread about the Lapua Naturalis, a 140-grain round-nose. I think this GMX bullet would be a somewhat better deal, due to the spitzer design. The Lapua is probably the bullet to use in something like an old 6.5 X 54 Mannlicher-Schoenauer, where the round-nose design figures into the overall cartridge shape that is necessary to feed properly from the rotary magazine. I have one of these old rifles, and I have heard that they can be touchy in what they will or won't feed smoothly. I haven't loaded for it yet, but fully intend to. I think the Lapua bullet is probably nearly identical in length and in shape to the old-style 160-grain round-nose lead-core bullets that the magazines were designed to feed properly. When these rifles were designed & built, that was all that anybody used, in either soft-point or FMJ. I'd like to try the GMX, but I think I'd be barking up the wrong tree with most any spitzer. [/QUOTE]
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New Hornady 6.5 140 gr GMX
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