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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New 270 boondoggle wildcat testing
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<blockquote data-quote="yorke-1" data-source="post: 1678015" data-attributes="member: 11960"><p>I do have an update, but it's not a good one. After almost 300 rounds fired between the two barrels, they still won't do better than 1.5 MOA. I've tried 6 bullets, 4 powders, 3 primers, 3 different stocks and 4 scopes and they still just won't shoot. There was always erratic stringing that I just couldn't figure out. When I get the same erratic results with two different barrels from two different manufacturers, something's going on. Both barrel manufacturers actually reached out to me about the accuracy issues, which says a lot about both Broughton and K&P.</p><p></p><p>Now add to that a barrel cut with the wrong twist (7.5" instead of the requested 7") so that the 168 Hammer was hitting sideways at 100 yards. That barrel went back K&P to be inspected and replaced. Unfortunately my timing is bad and the barrel went back right in the middle of competition season so Ken at K&P spends more time on the road than in the shop.</p><p></p><p>I eventually found the problem, the bolt nose clearance had been cut improperly on both barrels. It wasn't very obvious at first but once I noticed it everything made sense. There's an imprint on the breech face of both barrels that matches the bolt nose of the Nucleus action.</p><p></p><p>Ultimately my solution was to just dump the whole project, take it as a learning experience and move on. I cut the threads off of the Bartlein and gave it to a buddy to build a 270 WSM which is shooting great for him. When the replacement 1-7" twist K&P barrel gets back I'll probably just sell it as a package deal along with my 270 RUM reamer and the box of 168 Hammer Hunters. I'm sure I could have sent the barrels back to have the bolt clearance issue fixed but I lost my momentum on this project and just moved on. I just put my 6.5 Badger barrel back on this action and called it good.</p></blockquote><p></p>
[QUOTE="yorke-1, post: 1678015, member: 11960"] I do have an update, but it’s not a good one. After almost 300 rounds fired between the two barrels, they still won’t do better than 1.5 MOA. I’ve tried 6 bullets, 4 powders, 3 primers, 3 different stocks and 4 scopes and they still just won’t shoot. There was always erratic stringing that I just couldn’t figure out. When I get the same erratic results with two different barrels from two different manufacturers, something’s going on. Both barrel manufacturers actually reached out to me about the accuracy issues, which says a lot about both Broughton and K&P. Now add to that a barrel cut with the wrong twist (7.5” instead of the requested 7”) so that the 168 Hammer was hitting sideways at 100 yards. That barrel went back K&P to be inspected and replaced. Unfortunately my timing is bad and the barrel went back right in the middle of competition season so Ken at K&P spends more time on the road than in the shop. I eventually found the problem, the bolt nose clearance had been cut improperly on both barrels. It wasn’t very obvious at first but once I noticed it everything made sense. There’s an imprint on the breech face of both barrels that matches the bolt nose of the Nucleus action. Ultimately my solution was to just dump the whole project, take it as a learning experience and move on. I cut the threads off of the Bartlein and gave it to a buddy to build a 270 WSM which is shooting great for him. When the replacement 1-7” twist K&P barrel gets back I’ll probably just sell it as a package deal along with my 270 RUM reamer and the box of 168 Hammer Hunters. I’m sure I could have sent the barrels back to have the bolt clearance issue fixed but I lost my momentum on this project and just moved on. I just put my 6.5 Badger barrel back on this action and called it good. [/QUOTE]
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New 270 boondoggle wildcat testing
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