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<blockquote data-quote="dennishoddy" data-source="post: 3303017" data-attributes="member: 5412"><p>.223/5.56 is easily doable at 300 yds. I've done some 1.5" groups with a factory rifle/pencil barrel MSR's at that range with my reloads tuned to that rifle.</p><p>It looks daunting if you've never shot at 300 yds, but after a day of shooting, it can get boring banging those steel plates time after time with semi rapid fire. </p><p>Don't overthink it. Use some quality ammo that is known to your firearm and work on keeping steady and working the wind. Wind can be the downfall at that range.</p><p>For a 168 Sierra MK (.308), leaving the muzzle at 2700 fps with a .464 BC, the numbers are as follows, with a 10mph, 9 o’clock crosswind:</p><p></p><p>Drift at 100: .75 moa (3/4″)*</p><p>Drift at 200: 1.57moa (3.14″)</p><p>Drift at 500: 5.06moa (25.3″)</p><p>The .223/5.56 is going to drift even more as a lighter bullet. So worry about the wind as much as anything IMHO.</p></blockquote><p></p>
[QUOTE="dennishoddy, post: 3303017, member: 5412"] .223/5.56 is easily doable at 300 yds. I've done some 1.5" groups with a factory rifle/pencil barrel MSR's at that range with my reloads tuned to that rifle. It looks daunting if you've never shot at 300 yds, but after a day of shooting, it can get boring banging those steel plates time after time with semi rapid fire. Don't overthink it. Use some quality ammo that is known to your firearm and work on keeping steady and working the wind. Wind can be the downfall at that range. For a 168 Sierra MK (.308), leaving the muzzle at 2700 fps with a .464 BC, the numbers are as follows, with a 10mph, 9 o’clock crosswind: Drift at 100: .75 moa (3/4″)* Drift at 200: 1.57moa (3.14″) Drift at 500: 5.06moa (25.3″) The .223/5.56 is going to drift even more as a lighter bullet. So worry about the wind as much as anything IMHO. [/QUOTE]
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