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Rifles, Reloading, Optics, Equipment
Reloading
new brass vs fire formed?
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<blockquote data-quote="Bart B" data-source="post: 681862" data-attributes="member: 5302"><p>Consider what new brass has done in the past. . . . . .</p><p></p><p>Good commercial .308 Win. match ammo's shot no worse than 4 inches at 600 yards in service rifles used by USA military rifle teams; both in M1 Garands and the M14 versions.</p><p></p><p>Years ago, when 30 caliber belted magnums were "the" thing to use in 1000-yard rifle matches fired from the prone position, virtually all the matches won and records set were done with brand spankin' new cases or fired cases properly full length sized back to new case dimensions. Properly tested, they'll shoot inside 7 inches at 1000 in good rifles; same as what the benchrest rifles do.</p><p></p><p>International Palma Rifle Matches are held around the world and everybody has to use the same ammo. It's precision stuff loaded by arsenals or ammo companies, but all with brand spankin' new .308 Win. cases. In good rifles, it'll shoot about 1/2 MOA at 600 yards and about 3/4 MOA at 1000.</p><p></p><p>What if they're using Niel Jones neck sizing bushing dies with their bottoms matching case shoulder diameters and angles so shoulders can be set back without reducing body diameters.</p><p></p><p>I hope you're not believing the rifle barrel vibrates at different frequencies for each muzzle velocity produced. 'Tain't the way it is; the barrel vibrates at the exact same low frequency for every shot fired regardless of how fast a bullet leaves. The only difference is its muzzle axis whips through a greater range of angles with high pressure loads and a lesser range with low pressure loads.</p></blockquote><p></p>
[QUOTE="Bart B, post: 681862, member: 5302"] Consider what new brass has done in the past. . . . . . Good commercial .308 Win. match ammo's shot no worse than 4 inches at 600 yards in service rifles used by USA military rifle teams; both in M1 Garands and the M14 versions. Years ago, when 30 caliber belted magnums were "the" thing to use in 1000-yard rifle matches fired from the prone position, virtually all the matches won and records set were done with brand spankin' new cases or fired cases properly full length sized back to new case dimensions. Properly tested, they'll shoot inside 7 inches at 1000 in good rifles; same as what the benchrest rifles do. International Palma Rifle Matches are held around the world and everybody has to use the same ammo. It's precision stuff loaded by arsenals or ammo companies, but all with brand spankin' new .308 Win. cases. In good rifles, it'll shoot about 1/2 MOA at 600 yards and about 3/4 MOA at 1000. What if they're using Niel Jones neck sizing bushing dies with their bottoms matching case shoulder diameters and angles so shoulders can be set back without reducing body diameters. I hope you're not believing the rifle barrel vibrates at different frequencies for each muzzle velocity produced. 'Tain't the way it is; the barrel vibrates at the exact same low frequency for every shot fired regardless of how fast a bullet leaves. The only difference is its muzzle axis whips through a greater range of angles with high pressure loads and a lesser range with low pressure loads. [/QUOTE]
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Reloading
new brass vs fire formed?
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