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Rifles, Reloading, Optics, Equipment
Reloading
338 Lapua virgin brass
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<blockquote data-quote="338edge" data-source="post: 1169186" data-attributes="member: 34435"><p>Here's my question. Has anyone noticed virgin brass out shooting once fired brass? Here's my rundown.</p><p>-338 Lapua accumark wby, bedded, trigger job</p><p>-lapua brass</p><p>-300 gr berger bullets</p><p>-atacr nightforce scope</p><p>-88.5 grs of H-1000</p><p>- velocity with virgin brass=2600, accuracy = one hole to 3/8 @ 100 yards 3 shots. Verified out to 840 yards with a .5 group. Es spreads of 2 sd of 1</p><p>-velocity with 1 fired brass = 2650. Accuracy = really close to the virgin brass but not quite as tight. Verified out to 840 yards. Accuracy .6 Es spread of 20 sd of 13</p><p></p><p>I'm using a redding full length bushing die with a 367 bushing,comp seater die. I just ordered the 363 bushing. I'm trying copy the neck tension of the virgin brass as that was the best accuracy lowest es spreads and a very low so . I think the more neck tension of the virgin brass caused the powder to burn more effectively. </p><p></p><p>Thanks, Corey</p></blockquote><p></p>
[QUOTE="338edge, post: 1169186, member: 34435"] Here's my question. Has anyone noticed virgin brass out shooting once fired brass? Here's my rundown. -338 Lapua accumark wby, bedded, trigger job -lapua brass -300 gr berger bullets -atacr nightforce scope -88.5 grs of H-1000 - velocity with virgin brass=2600, accuracy = one hole to 3/8 @ 100 yards 3 shots. Verified out to 840 yards with a .5 group. Es spreads of 2 sd of 1 -velocity with 1 fired brass = 2650. Accuracy = really close to the virgin brass but not quite as tight. Verified out to 840 yards. Accuracy .6 Es spread of 20 sd of 13 I'm using a redding full length bushing die with a 367 bushing,comp seater die. I just ordered the 363 bushing. I'm trying copy the neck tension of the virgin brass as that was the best accuracy lowest es spreads and a very low so . I think the more neck tension of the virgin brass caused the powder to burn more effectively. Thanks, Corey [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
338 Lapua virgin brass
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