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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 win and the berger 215
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<blockquote data-quote="Michael Eichele" data-source="post: 878250" data-attributes="member: 1007"><p>I worried about the 3 groove as well. I went ahead with it and don't regret it. It's nothing magical but being a typical lilja, shoots lights out. Flat out. This is on a 6.5x284. I have had zero problems. Then again I haven't ran any bullets past 3100'sec either. The story might change if pushed to magnum velocities.</p><p></p><p>A few notes on the 308 with the heavies. VV N550 also works well but gets to higher pressures quicker so don't use the same charge weights as R17. The nice thing about 550 is that it settles in the case better and allows me to seat the 208s to 2.990 which lets me feed them in and out of a Wyatt box. Accuracy with 550 has been superb. Magnum primers have worked the best for me with 550. All that said, I've had higher velocities with R17. I've belched them out in excess of 2700'sec with R17 but 2650ish is a better place to be IMHO in 26" tubes. I get 2600 with N550. 12 twist bbls will stabilize the 208 but very marginally. I see bullets key-holing at 700 yards in freezing temps. 11.25 twist or faster barrels solves this problem. If you're getting a 10x then you're good to go.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 878250, member: 1007"] I worried about the 3 groove as well. I went ahead with it and don't regret it. It's nothing magical but being a typical lilja, shoots lights out. Flat out. This is on a 6.5x284. I have had zero problems. Then again I haven't ran any bullets past 3100'sec either. The story might change if pushed to magnum velocities. A few notes on the 308 with the heavies. VV N550 also works well but gets to higher pressures quicker so don't use the same charge weights as R17. The nice thing about 550 is that it settles in the case better and allows me to seat the 208s to 2.990 which lets me feed them in and out of a Wyatt box. Accuracy with 550 has been superb. Magnum primers have worked the best for me with 550. All that said, I've had higher velocities with R17. I've belched them out in excess of 2700'sec with R17 but 2650ish is a better place to be IMHO in 26" tubes. I get 2600 with N550. 12 twist bbls will stabilize the 208 but very marginally. I see bullets key-holing at 700 yards in freezing temps. 11.25 twist or faster barrels solves this problem. If you're getting a 10x then you're good to go. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 win and the berger 215
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