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Shooting a 223 to a Mile Accurately By Jerry Teo
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<blockquote data-quote="GBA1776" data-source="post: 954306" data-attributes="member: 20522"><p>I can also confirm shooting 77gr SMK rounds and 75gr Hornady match rounds out of a 1-9 twist barrel. Its a 16" Bushmaster Patrolmans Carbine and has no issue with those rounds out to distance, the furthest ive shot that combo is 750yds onto a 18x24 target. No "Accurate" isnt how i would describe an M4 profile non free floated carbine I did it just to see what it would do under that situation. it was "accurate" enough to get hits about 50% of the time and some near misses and some fliers. How much was me on the fundamental side, how much was wind I wasnt seeing out of a 2.5-10x42mm scope? I dont know but from lots of shooting out to 300 with all sorts of factory loads up to 77gr show no signs of instability with that 1-9 twist. </p><p></p><p> I would test it though, A shooting buddy with the same gun but a better scope has issues at 300yds with anything over 69gr and doesnt shoot the 77gr rounds as accurately at any range. and at 300yds you could see that the holes werent quite round they were slightly oblong and were pretty erratic, he was having a tough time in pretty much no wind 3-5mph tops staying on one of those 12x18 shoot n see targets at 300yds with 75 and 77gr hornady and sierra loads, but shot the 69 gr rounds just fine.</p><p></p><p> I think its very gun/barrel dependant. </p><p></p><p></p><p>It is cool to see a .223/5.56 getting hits at a mile, Not too long ago people would have scoffed at a 24" Rem 700 .308 at a mile, now people take 18" Larue OBR's ( and other AR Variants) and get consistent hits at a mile. </p><p></p><p>And like the article said the amount of elevation he needed to take that gun out that far was a little nuts, so If you took a standard hunting gun and tried to take it out that far you wouldnt be anywhere near the scope and would never see impacts, but since ballistic calculators have become so widespread we can go oh wow i need 32mils of elevation with the .308 to hit at a mile and have an idea where to look.</p></blockquote><p></p>
[QUOTE="GBA1776, post: 954306, member: 20522"] I can also confirm shooting 77gr SMK rounds and 75gr Hornady match rounds out of a 1-9 twist barrel. Its a 16" Bushmaster Patrolmans Carbine and has no issue with those rounds out to distance, the furthest ive shot that combo is 750yds onto a 18x24 target. No "Accurate" isnt how i would describe an M4 profile non free floated carbine I did it just to see what it would do under that situation. it was "accurate" enough to get hits about 50% of the time and some near misses and some fliers. How much was me on the fundamental side, how much was wind I wasnt seeing out of a 2.5-10x42mm scope? I dont know but from lots of shooting out to 300 with all sorts of factory loads up to 77gr show no signs of instability with that 1-9 twist. I would test it though, A shooting buddy with the same gun but a better scope has issues at 300yds with anything over 69gr and doesnt shoot the 77gr rounds as accurately at any range. and at 300yds you could see that the holes werent quite round they were slightly oblong and were pretty erratic, he was having a tough time in pretty much no wind 3-5mph tops staying on one of those 12x18 shoot n see targets at 300yds with 75 and 77gr hornady and sierra loads, but shot the 69 gr rounds just fine. I think its very gun/barrel dependant. It is cool to see a .223/5.56 getting hits at a mile, Not too long ago people would have scoffed at a 24" Rem 700 .308 at a mile, now people take 18" Larue OBR's ( and other AR Variants) and get consistent hits at a mile. And like the article said the amount of elevation he needed to take that gun out that far was a little nuts, so If you took a standard hunting gun and tried to take it out that far you wouldnt be anywhere near the scope and would never see impacts, but since ballistic calculators have become so widespread we can go oh wow i need 32mils of elevation with the .308 to hit at a mile and have an idea where to look. [/QUOTE]
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