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Hunting
Long Range Hunting & Shooting
Lilja 3 groove #1 contour 6.5 mm
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<blockquote data-quote="johnnyk" data-source="post: 1631174" data-attributes="member: 307"><p>This is from an email I got from Kirby (2016).</p><p></p><p>"Kirby Allen <allenmagnum@gmail.com></p><p>To:johnek1963@yahoo.com</p><p>Aug 9, 2016 at 11:57 AM</p><p>We found that over time, the 3 groove barrels started to rip apart conventional lead core bullets. The reason we found was total bearing surface compression percentages. Basically, there was alot of the bearing surface of the bullet touching the bore and this weakened the core/jacket bond and bullets would often come apart in flight.</p><p>This was often the reason for these rifles being sold as owners thought the barrels were shot out. That is not entirely true. In my testing of these barrels when they were having issues with soft bullets, we tested hard bullets such as those from Barnes and the Nosler Accubonds and had great results for many hundred more rounds down the bore.</p><p>Now however, on these rifles, we use specific barrels that have less then 20% bearing surface compression on the bullets and have no issues. Using mainly Bartlein 5 R barrels now.</p><p>Just something to keep an eye on.</p><p>K</p><p>APS</p><p></p><p>Sent from my iPad"</p></blockquote><p></p>
[QUOTE="johnnyk, post: 1631174, member: 307"] This is from an email I got from Kirby (2016). "Kirby Allen <allenmagnum@gmail.com> To:johnek1963@yahoo.com Aug 9, 2016 at 11:57 AM We found that over time, the 3 groove barrels started to rip apart conventional lead core bullets. The reason we found was total bearing surface compression percentages. Basically, there was alot of the bearing surface of the bullet touching the bore and this weakened the core/jacket bond and bullets would often come apart in flight. This was often the reason for these rifles being sold as owners thought the barrels were shot out. That is not entirely true. In my testing of these barrels when they were having issues with soft bullets, we tested hard bullets such as those from Barnes and the Nosler Accubonds and had great results for many hundred more rounds down the bore. Now however, on these rifles, we use specific barrels that have less then 20% bearing surface compression on the bullets and have no issues. Using mainly Bartlein 5 R barrels now. Just something to keep an eye on. K APS Sent from my iPad" [/QUOTE]
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Long Range Hunting & Shooting
Lilja 3 groove #1 contour 6.5 mm
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