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Varmint Hunting
223 Ackley Improved
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<blockquote data-quote="woodnut" data-source="post: 472934" data-attributes="member: 17593"><p>I have an AR15 with an ISSI upper in 223 A.I. and a 14 twist ,26" barrel. Mine LOVES the 55gr. Sierra Blitz Kings. </p><p>This part is going to be very hard to believe; but I swear it's the truth. I am getting a tad over 3600fps and shooting bug holes ! I have a Nightforce 8x32x56 on it; but I am sure another good scope would do it. Impossible ,you say? I thought so before I chronoed the loads. Not great case life ! Primer pockets swell up after three ,maybe four loading. Yes, that's a heck of an increase in speed from 223 to A.I. and yes, A.I.s usually only give an extra 100 to 150 fps. P.O. Ackley may not have ever done the 223A.I. as he wasn't fond of the cartridge. But he should have! This is 22/250 velocities in a iddy bitty 223 case ! Go figure. I can't explain it; but Lee at ISSI says the same thing about it. </p><p> As for shooting 100 yards; I think you need something else. Yes, they do shoot it. But, there's other rounds more able. </p><p> If varmint hunting and max. 5-600yard shooting is what you'll do mostly; it's hard to beat the 223 A.I.</p></blockquote><p></p>
[QUOTE="woodnut, post: 472934, member: 17593"] I have an AR15 with an ISSI upper in 223 A.I. and a 14 twist ,26" barrel. Mine LOVES the 55gr. Sierra Blitz Kings. This part is going to be very hard to believe; but I swear it's the truth. I am getting a tad over 3600fps and shooting bug holes ! I have a Nightforce 8x32x56 on it; but I am sure another good scope would do it. Impossible ,you say? I thought so before I chronoed the loads. Not great case life ! Primer pockets swell up after three ,maybe four loading. Yes, that's a heck of an increase in speed from 223 to A.I. and yes, A.I.s usually only give an extra 100 to 150 fps. P.O. Ackley may not have ever done the 223A.I. as he wasn't fond of the cartridge. But he should have! This is 22/250 velocities in a iddy bitty 223 case ! Go figure. I can't explain it; but Lee at ISSI says the same thing about it. As for shooting 100 yards; I think you need something else. Yes, they do shoot it. But, there's other rounds more able. If varmint hunting and max. 5-600yard shooting is what you'll do mostly; it's hard to beat the 223 A.I. [/QUOTE]
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