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Rifles, Reloading, Optics, Equipment
Reloading
XP-100 7br loading problem -?
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<blockquote data-quote="ol mike" data-source="post: 736069" data-attributes="member: 4683"><p>Bought Lapua 6br brass -expanded it to .284" w/an expander mandrel from Sinclair -checked each case to make sure it chambered right -they did.</p><p>So today I primed them -loaded two with 26gr of H-322 -seated a 139gr interlock -checked to see if they would chamber correctly -would not chamber .</p><p>I checked the outside neck diameter of a couple of non loaded cases -then measured the loaded ones -about 1K bigger when loaded .</p><p>Turned the bolt w/a bit of force and the round chambered but quite tightly -when opening the bolt it makes a "pop" at the end of the bolt opening cycle.</p><p></p><p>I looked for marks on the case and bullet finally finding a ring at the neck shoulder junction.</p><p>It's an extruding little ring that is not there before I chamber the round -it seems to make the ring after I worked the bolt up and down .</p><p>I did this to try and find a mark on the brass.</p><p>Any ideas why this is happening ?</p><p></p><p> Thanks Mike</p></blockquote><p></p>
[QUOTE="ol mike, post: 736069, member: 4683"] Bought Lapua 6br brass -expanded it to .284" w/an expander mandrel from Sinclair -checked each case to make sure it chambered right -they did. So today I primed them -loaded two with 26gr of H-322 -seated a 139gr interlock -checked to see if they would chamber correctly -would not chamber . I checked the outside neck diameter of a couple of non loaded cases -then measured the loaded ones -about 1K bigger when loaded . Turned the bolt w/a bit of force and the round chambered but quite tightly -when opening the bolt it makes a "pop" at the end of the bolt opening cycle. I looked for marks on the case and bullet finally finding a ring at the neck shoulder junction. It's an extruding little ring that is not there before I chamber the round -it seems to make the ring after I worked the bolt up and down . I did this to try and find a mark on the brass. Any ideas why this is happening ? Thanks Mike [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
XP-100 7br loading problem -?
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