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<blockquote data-quote="Mysticplayer" data-source="post: 4596" data-attributes="member: 8947"><p>I don't use single shot handguns but the info is applicable. Big issue is reduced muzzle vel. No matter what cartridge you use, the vel from a 15" barrel is going to be a lot less then a 24". Most on this board go much longer.</p><p></p><p>This vel loss reduces impact vel and bullet performance. You definitely need to stick to very fragile varmint or match bullets.</p><p></p><p>In 6mm, I would look at the 87gr Vmax, or 90gr Ballistic Tip out of a 243AI - you need all the vel you can get. The new 243 WSSM may be pretty good due to increased effective barrel length.</p><p></p><p>In 6.5, consider the 95gr Vmax and 105gr MK and similar weight BT. The 6.5-284 or 6.5X55AI are probably your best bets.</p><p></p><p>The 308 Win may not be that bad for this project as its larger bore means less vel loss per inch of barrel. 125gr Vmax or BT may be your best bet in this cal.</p><p></p><p>I have stayed away from the normal VLD type bullets because I think the low vel will cause some headaches with elevation adjustment. Also, these heavier bullets will increase recoil dramatically. </p><p></p><p>The Vmax bullets are very accurate and have a high BC for their bullet weight. Getting them to 3000fps will allow for adequate performance out to 1000yds.</p><p></p><p>I think a muzzle brake would be in order.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 4596, member: 8947"] I don't use single shot handguns but the info is applicable. Big issue is reduced muzzle vel. No matter what cartridge you use, the vel from a 15" barrel is going to be a lot less then a 24". Most on this board go much longer. This vel loss reduces impact vel and bullet performance. You definitely need to stick to very fragile varmint or match bullets. In 6mm, I would look at the 87gr Vmax, or 90gr Ballistic Tip out of a 243AI - you need all the vel you can get. The new 243 WSSM may be pretty good due to increased effective barrel length. In 6.5, consider the 95gr Vmax and 105gr MK and similar weight BT. The 6.5-284 or 6.5X55AI are probably your best bets. The 308 Win may not be that bad for this project as its larger bore means less vel loss per inch of barrel. 125gr Vmax or BT may be your best bet in this cal. I have stayed away from the normal VLD type bullets because I think the low vel will cause some headaches with elevation adjustment. Also, these heavier bullets will increase recoil dramatically. The Vmax bullets are very accurate and have a high BC for their bullet weight. Getting them to 3000fps will allow for adequate performance out to 1000yds. I think a muzzle brake would be in order. Jerry [/QUOTE]
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