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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
5,000 fps coyote rifle?
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<blockquote data-quote="codyadams" data-source="post: 1762163" data-attributes="member: 87243"><p>Transonic isn't really a concern with this concept, as it's sole intent is reaching scorching fast speed to have the farthest possible aim on fur distance. It will be far beyond the aim on fur distance prior to hitting transonic, this isn't what I would consider a "long range" coyote rifle, but more a "don't think about it" coyote rifle. If I wanted a "long range" coyote rifle I would do at least a 22-250 AI with an 8 twist and likely shoot the 75-88 grain eldm, and would be a 500+ yard dog gun. I have something with similar trajectory, so that isn't the point ha ha. </p><p></p><p>To reiterate, the point of this is just to reach fast speeds. </p><p></p><p>Another thought is 35 grain .224 cal mono, in one of the overbore cartridges listed, with a gain twist barrel that progresses to a 16 or 17 twist, dependent on barrel. According to a stability calculator and using dimensions from a hornady 40 grain vmax, which estimating would be similar to a 35 grain mono, at my elevation (6800 ft) a 16 twist stabilizes just fine, and a 17 twist would stabilize down to roughly 35 degrees. Below that it drops to an s.g. of 1.3, which may possibly still be sufficient, but may not. But a gain twist ending with 16 would likely stabilize, and not have much more rotational velocity than a 4000 fps load in a 12 twist, which is very doable. The issue then would be getting a bullet that doesn't have issues with shedding due to the raw speed, but again, I think a gain twist would help.</p></blockquote><p></p>
[QUOTE="codyadams, post: 1762163, member: 87243"] Transonic isn't really a concern with this concept, as it's sole intent is reaching scorching fast speed to have the farthest possible aim on fur distance. It will be far beyond the aim on fur distance prior to hitting transonic, this isn't what I would consider a "long range" coyote rifle, but more a "don't think about it" coyote rifle. If I wanted a "long range" coyote rifle I would do at least a 22-250 AI with an 8 twist and likely shoot the 75-88 grain eldm, and would be a 500+ yard dog gun. I have something with similar trajectory, so that isn't the point ha ha. To reiterate, the point of this is just to reach fast speeds. Another thought is 35 grain .224 cal mono, in one of the overbore cartridges listed, with a gain twist barrel that progresses to a 16 or 17 twist, dependent on barrel. According to a stability calculator and using dimensions from a hornady 40 grain vmax, which estimating would be similar to a 35 grain mono, at my elevation (6800 ft) a 16 twist stabilizes just fine, and a 17 twist would stabilize down to roughly 35 degrees. Below that it drops to an s.g. of 1.3, which may possibly still be sufficient, but may not. But a gain twist ending with 16 would likely stabilize, and not have much more rotational velocity than a 4000 fps load in a 12 twist, which is very doable. The issue then would be getting a bullet that doesn't have issues with shedding due to the raw speed, but again, I think a gain twist would help. [/QUOTE]
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5,000 fps coyote rifle?
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