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Rifles, Reloading, Optics, Equipment
Reloading
30 cal 200 nosler accubonds
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<blockquote data-quote="Guest" data-source="post: 121509"><p>[ QUOTE ]</p><p><strong> In the opposite direction you might just touch the bullet to the lands or even in .005 in the lands. If you do this back off your load a little bit and work back into it, gotta watch those pressures.</strong></p><p></p><p>[/ QUOTE ]</p><p></p><p>IMAO - great for ivory tower BR loads, bad for hunting. Anything tighter than .030 off the lands with custom a chamber and you'll have some cartridges jam into the lands and stay there. Eject the cartridge and powder pollutes the magazine. Now try to chamber another round and a few loose grains you missed while field cleaning the dumped powder prevents bolt closure. I did this with two of my custom guns (which are 20 times harder to find the lands than a sloppy factory chamber). Luckily I was only varmint hunting in the first case and deer hunting with a backup in the second case. Note I had tested (chambered/ejected) each round before the hunt. I suppose with run-out changing, temp changes, one managed to jam. (I was .010 off the lands). </p><p></p><p>When I read folks talking .015 or tighter off the lands, I suspect they don't have reliable loads OR are not really that tight OR have a sloppy factory chamber OR they are real good and know their stuff. I know some guys have the skills to measure this tight and produce robust loads, but after a year of trying I gave up. Lucky for me my Kirby built guns seem to shoot great even backed .050 off the lands.</p></blockquote><p></p>
[QUOTE="Guest, post: 121509"] [ QUOTE ] [b] In the opposite direction you might just touch the bullet to the lands or even in .005 in the lands. If you do this back off your load a little bit and work back into it, gotta watch those pressures.[/b] [/ QUOTE ] IMAO - great for ivory tower BR loads, bad for hunting. Anything tighter than .030 off the lands with custom a chamber and you'll have some cartridges jam into the lands and stay there. Eject the cartridge and powder pollutes the magazine. Now try to chamber another round and a few loose grains you missed while field cleaning the dumped powder prevents bolt closure. I did this with two of my custom guns (which are 20 times harder to find the lands than a sloppy factory chamber). Luckily I was only varmint hunting in the first case and deer hunting with a backup in the second case. Note I had tested (chambered/ejected) each round before the hunt. I suppose with run-out changing, temp changes, one managed to jam. (I was .010 off the lands). When I read folks talking .015 or tighter off the lands, I suspect they don't have reliable loads OR are not really that tight OR have a sloppy factory chamber OR they are real good and know their stuff. I know some guys have the skills to measure this tight and produce robust loads, but after a year of trying I gave up. Lucky for me my Kirby built guns seem to shoot great even backed .050 off the lands. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
30 cal 200 nosler accubonds
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