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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm SAUM ??
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<blockquote data-quote="sable tireur" data-source="post: 1194634" data-attributes="member: 27307"><p>The post is directed towards the 6mm Remington cartridge as it is used in the M700 short action. It was originally positioned to compete with the .243 Win. cartridge for varmint shooting. Slow twist, short, light varmint bullets. They later added a longer 100 grain SP bullet, made the barrels with a faster twist and seated the bullet deeply to accommodate the deer hunters.</p><p></p><p>This is a 'Long Range Hunting' website and forum so yes the use of VLD bullets is decidedly germane to this discussion. However, when we attempt to seat the VLDs so as not to infringe too deeply into the powder space, we usually run out of magazine space. Many of us who like and use the 6mm Rem. in it's various iterations have resorted to using the DBM with the added 0.150" of length by not including the spacer in those magazines. Using the 105 and 115 VLDs still eats up 0.150" to 0.300" of case capacity even when the 0.350 neck length is taken into consideration.</p><p></p><p>Certainly there is a fair selection of single shot actions I would choose over the Savage without even giving it a second thought. Surgeon, Defiance, Remington 40X, let alone all of the competition single shots from Kelbly, Borden, Barnard, BAT, Stiller, etc. Push comes to shove and even the lowly Remington M700 can be fitted with a single shot adapter and used in a solid bottom stock. In this configuration nearly any length can be achieved as long as the chamber will accommodate the cartridge length and the bullet doesn't fall out of the end of the case...</p><p></p><p>The short, fat case has been a heated topic of discussion for a couple of decades at least. There is nothing wrong with short and fat so long as the powder can be ignited safely and the burn is according to Hoyle.</p><p></p><p>Insofar as the 6mm SAUM is concerned, it has been fired until a barrel gave up, either accuracy or lost a significant amount of velocity. They were removed and the chamber/throat area was milled off to expose the damage without resorting to a scope. Most went 2,000 rounds thereabouts. This is practicing the same sort of powder management as used for the 6.5 GAP 4S, a slow, cooler burning powder, lower pressure and no long, fast runs. There aren't any secrets, it's all been published on the internet.</p><p></p><p>Do I like this cartridge? Sure I do. It's easy to make, the reamer and parent brass are both available. It accomplishes what I set out to do without a lot of fuss.</p><p></p><p>In that same vein though, I still love the 6mm Crusader (a version of the 6mm Rem. with improvements) but fired in a single shot or intermediate length magazine/action. But there is also a ton of other 6mm and 6.5mm cartridges that are superb. Choosing is difficult at best.</p><p></p><p>Regards.</p></blockquote><p></p>
[QUOTE="sable tireur, post: 1194634, member: 27307"] The post is directed towards the 6mm Remington cartridge as it is used in the M700 short action. It was originally positioned to compete with the .243 Win. cartridge for varmint shooting. Slow twist, short, light varmint bullets. They later added a longer 100 grain SP bullet, made the barrels with a faster twist and seated the bullet deeply to accommodate the deer hunters. This is a 'Long Range Hunting' website and forum so yes the use of VLD bullets is decidedly germane to this discussion. However, when we attempt to seat the VLDs so as not to infringe too deeply into the powder space, we usually run out of magazine space. Many of us who like and use the 6mm Rem. in it's various iterations have resorted to using the DBM with the added 0.150" of length by not including the spacer in those magazines. Using the 105 and 115 VLDs still eats up 0.150" to 0.300" of case capacity even when the 0.350 neck length is taken into consideration. Certainly there is a fair selection of single shot actions I would choose over the Savage without even giving it a second thought. Surgeon, Defiance, Remington 40X, let alone all of the competition single shots from Kelbly, Borden, Barnard, BAT, Stiller, etc. Push comes to shove and even the lowly Remington M700 can be fitted with a single shot adapter and used in a solid bottom stock. In this configuration nearly any length can be achieved as long as the chamber will accommodate the cartridge length and the bullet doesn't fall out of the end of the case... The short, fat case has been a heated topic of discussion for a couple of decades at least. There is nothing wrong with short and fat so long as the powder can be ignited safely and the burn is according to Hoyle. Insofar as the 6mm SAUM is concerned, it has been fired until a barrel gave up, either accuracy or lost a significant amount of velocity. They were removed and the chamber/throat area was milled off to expose the damage without resorting to a scope. Most went 2,000 rounds thereabouts. This is practicing the same sort of powder management as used for the 6.5 GAP 4S, a slow, cooler burning powder, lower pressure and no long, fast runs. There aren't any secrets, it's all been published on the internet. Do I like this cartridge? Sure I do. It's easy to make, the reamer and parent brass are both available. It accomplishes what I set out to do without a lot of fuss. In that same vein though, I still love the 6mm Crusader (a version of the 6mm Rem. with improvements) but fired in a single shot or intermediate length magazine/action. But there is also a ton of other 6mm and 6.5mm cartridges that are superb. Choosing is difficult at best. Regards. [/QUOTE]
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