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Hunting
Long Range Hunting & Shooting
What is the the most flat shooting cartridge yall can think of?
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<blockquote data-quote="Paladin300" data-source="post: 3094287" data-attributes="member: 115299"><p>22-250 AI/FT is the flattest shooting cartridge I own to 500 yards. It will stay in a 4" circle to 308 yards, according to my ballistics calculator, with a 50 gr BTV with a BC of. .267. It will launch them at 4000fps from a 27in barrel. Mine has a 27" Krieger with a 1/8 twist. Carries just over 850 ft lbs of energy to that range. It is more than enough for Coyotes. It will drop 5 rounds in the same hole at 200 yards, though to achieve that I have to drop my velocity to just over 3800 fps. I tend to hold over or dial and zero at 100-200 yards. So I had to play with it to see what MPBR would be. Zero would be 266 and you would be 1.49 high at a 100.</p><p></p><p>I would suspect, as has already been mentioned, that the 257 wby is the flattest shooter to 500. Once you move past 500 the bigger cartridges with the higher BCs take over.</p><p></p><p>You would really be splitting hairs between any of the fast flat 22-25 calibers. No more than probably 5-10 yards difference in MPBR. It really depends on the rifle and barrel configuration, bullet and powder combination. The same exact barrel specs can produce different result from barrel to barrel from the same manufacturer, as much as 50 fps. Additionally, if you and your rifle can't shoot .25-.5 moa (most individuals need a fairly light recoiling rifle to achieve this) all the speculations and calculations go out the window. Bullet construction matters too. Most varmint bullets if you spin them too fast will explode north of 4000 fps. Your 25-06 AI especially if you are already set up to load for it would be right there in the mix. 300 yards on a 4" plate for MPBR is about as good as it gets for consistency's sake. JMTs.</p></blockquote><p></p>
[QUOTE="Paladin300, post: 3094287, member: 115299"] 22-250 AI/FT is the flattest shooting cartridge I own to 500 yards. It will stay in a 4" circle to 308 yards, according to my ballistics calculator, with a 50 gr BTV with a BC of. .267. It will launch them at 4000fps from a 27in barrel. Mine has a 27" Krieger with a 1/8 twist. Carries just over 850 ft lbs of energy to that range. It is more than enough for Coyotes. It will drop 5 rounds in the same hole at 200 yards, though to achieve that I have to drop my velocity to just over 3800 fps. I tend to hold over or dial and zero at 100-200 yards. So I had to play with it to see what MPBR would be. Zero would be 266 and you would be 1.49 high at a 100. I would suspect, as has already been mentioned, that the 257 wby is the flattest shooter to 500. Once you move past 500 the bigger cartridges with the higher BCs take over. You would really be splitting hairs between any of the fast flat 22-25 calibers. No more than probably 5-10 yards difference in MPBR. It really depends on the rifle and barrel configuration, bullet and powder combination. The same exact barrel specs can produce different result from barrel to barrel from the same manufacturer, as much as 50 fps. Additionally, if you and your rifle can't shoot .25-.5 moa (most individuals need a fairly light recoiling rifle to achieve this) all the speculations and calculations go out the window. Bullet construction matters too. Most varmint bullets if you spin them too fast will explode north of 4000 fps. Your 25-06 AI especially if you are already set up to load for it would be right there in the mix. 300 yards on a 4" plate for MPBR is about as good as it gets for consistency's sake. JMTs. [/QUOTE]
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What is the the most flat shooting cartridge yall can think of?
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