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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
16.5" 6.5 Creedmoor capabilities
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<blockquote data-quote="Euler" data-source="post: 2503890" data-attributes="member: 107601"><p>While MV will vary barrel-to-barrel, I can say confidently that you aren't getting 2700 fps from factory ammo out of a 16.5" barrel. The MV listed on the box is based on a 24" test barrel. I have a pretty fast 22" bartlein that will shoot factory 140 ELDM at about 2740 fps (+ or - depending on the Lot). I'd bet you will be in the 2500 - 2600 fps range.</p><p></p><p>You didn't ask, but a 16.5" barrel will benefit more by going with a shorter (lighter) bullet to gain some velocity. To your question, depending on your elevation and the actual MV, your bullet may or may not go transonic before 1,000 yards, which will make it pretty sporty. Your bullet might also remain above transonic, which will make it a bit easier to be consistent, but wind could be a challenge with a time of flight of 1.5 sec (maybe longer). Danger space is also going to start getting tight, and MV SD could make hitting even a 1 MOA plate quite challenging in low wind conditions. You'll want a good rangefinder with a calibrated aiming point to make sure your getting a solid range on target.</p><p></p><p>Personally, for a 16.5" 6.5CM, I'd focus on about 600 yards (give or take) and in shooting small targets with shorter/faster bullets in varying conditions (not that you asked, haha).</p></blockquote><p></p>
[QUOTE="Euler, post: 2503890, member: 107601"] While MV will vary barrel-to-barrel, I can say confidently that you aren't getting 2700 fps from factory ammo out of a 16.5" barrel. The MV listed on the box is based on a 24" test barrel. I have a pretty fast 22" bartlein that will shoot factory 140 ELDM at about 2740 fps (+ or - depending on the Lot). I'd bet you will be in the 2500 - 2600 fps range. You didn't ask, but a 16.5" barrel will benefit more by going with a shorter (lighter) bullet to gain some velocity. To your question, depending on your elevation and the actual MV, your bullet may or may not go transonic before 1,000 yards, which will make it pretty sporty. Your bullet might also remain above transonic, which will make it a bit easier to be consistent, but wind could be a challenge with a time of flight of 1.5 sec (maybe longer). Danger space is also going to start getting tight, and MV SD could make hitting even a 1 MOA plate quite challenging in low wind conditions. You'll want a good rangefinder with a calibrated aiming point to make sure your getting a solid range on target. Personally, for a 16.5" 6.5CM, I'd focus on about 600 yards (give or take) and in shooting small targets with shorter/faster bullets in varying conditions (not that you asked, haha). [/QUOTE]
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16.5" 6.5 Creedmoor capabilities
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