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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 mm short action round choice
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<blockquote data-quote="Garycrow" data-source="post: 1080052" data-attributes="member: 30743"><p>OK, maybe pictures will help. This is a 130 berger VLD I just loaded into a 260 remington dummy round. I didn't have any 140's. The 140's are .021" longer than the 130's so it's even worse with them. </p><p></p><p>This is the 130 loaded to max SAAMI length of 2.800". Notice how deep the bullet is seated, the boattail is well below the neck/shoulder junction. Nobody would say this was a desired seating, a 140 would be even worse.</p><p></p><p><a href="http://s1001.photobucket.com/user/gcrowell/media/C9912F32-6BD5-48F1-A4C4-9BF92C66621E_zpsqudunou9.jpg.html" target="_blank"><img src="http://i1001.photobucket.com/albums/af135/gcrowell/C9912F32-6BD5-48F1-A4C4-9BF92C66621E_zpsqudunou9.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Here's the same bullet loaded to where the boattail is even with the neck/shoulder junction. It's where the bullet should optimally be seated and is where most would have the chamber cut to touch the lands. If you were going to send a gunsmith a dummy round to throat a chamber this would be what most would spec. This dummy round measures 2.930" OAL. 2.930" won't cycle through any magazine made for a short action remington M700. A 140 would be longer.</p><p></p><p><a href="http://s1001.photobucket.com/user/gcrowell/media/E72D3074-5DBC-4ED2-B6AF-A131109A67CD_zpst967p1lu.jpg.html" target="_blank"><img src="http://i1001.photobucket.com/albums/af135/gcrowell/E72D3074-5DBC-4ED2-B6AF-A131109A67CD_zpst967p1lu.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Once again, your discussion of a chamber cut to SAAMI specs is meaningless. The 260 remington SAAMI specs weren't designed with VLD type bullets in mind. To make them work with a 260 and have a chamber where the bullet touches the lands AND keeps the boattail at the neck/shoulder junction like it should be you'd have to either make it a single shot or build it on a long action. The OP stated he's using a short action so it won't work correctly. Yes, you could have a very short throated chamber cut but then you have to seat the bullet very deep in the case which is not optimal. Why make things harder than they need to be when there's the perfectly good 6.5 creedmoor (or 6.5x47 L)available that will work much better.</p></blockquote><p></p>
[QUOTE="Garycrow, post: 1080052, member: 30743"] OK, maybe pictures will help. This is a 130 berger VLD I just loaded into a 260 remington dummy round. I didn't have any 140's. The 140's are .021" longer than the 130's so it's even worse with them. This is the 130 loaded to max SAAMI length of 2.800". Notice how deep the bullet is seated, the boattail is well below the neck/shoulder junction. Nobody would say this was a desired seating, a 140 would be even worse. [URL=http://s1001.photobucket.com/user/gcrowell/media/C9912F32-6BD5-48F1-A4C4-9BF92C66621E_zpsqudunou9.jpg.html][IMG]http://i1001.photobucket.com/albums/af135/gcrowell/C9912F32-6BD5-48F1-A4C4-9BF92C66621E_zpsqudunou9.jpg[/IMG][/URL] Here's the same bullet loaded to where the boattail is even with the neck/shoulder junction. It's where the bullet should optimally be seated and is where most would have the chamber cut to touch the lands. If you were going to send a gunsmith a dummy round to throat a chamber this would be what most would spec. This dummy round measures 2.930" OAL. 2.930" won't cycle through any magazine made for a short action remington M700. A 140 would be longer. [URL=http://s1001.photobucket.com/user/gcrowell/media/E72D3074-5DBC-4ED2-B6AF-A131109A67CD_zpst967p1lu.jpg.html][IMG]http://i1001.photobucket.com/albums/af135/gcrowell/E72D3074-5DBC-4ED2-B6AF-A131109A67CD_zpst967p1lu.jpg[/IMG][/URL] Once again, your discussion of a chamber cut to SAAMI specs is meaningless. The 260 remington SAAMI specs weren't designed with VLD type bullets in mind. To make them work with a 260 and have a chamber where the bullet touches the lands AND keeps the boattail at the neck/shoulder junction like it should be you'd have to either make it a single shot or build it on a long action. The OP stated he's using a short action so it won't work correctly. Yes, you could have a very short throated chamber cut but then you have to seat the bullet very deep in the case which is not optimal. Why make things harder than they need to be when there's the perfectly good 6.5 creedmoor (or 6.5x47 L)available that will work much better. [/QUOTE]
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6.5 mm short action round choice
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