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Rifles, Reloading, Optics, Equipment
Reloading
Sticky bolt
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<blockquote data-quote="royinidaho" data-source="post: 94614" data-attributes="member: 2011"><p>Ok, I've been there and done that, but don't have the guts to wear the tee shirt /ubbthreads/images/graemlins/grin.gif</p><p></p><p>When the rifle is fired one of the first things that happens is that the case streches, gets longer. This is even before the bullet leaves the case mouth.</p><p></p><p>If the case is too long it hits the end of the chamber and folds in uniformily gripping the bullet before it can leave the case. Thus pressure goes up depending on the strength of the grip on the bullet.</p><p></p><p>Thus the test of, will a bullet drop back through the case mouth after firing.</p><p></p><p>If the above conditions exist, it is not a safe situation.</p><p></p><p>Also, from your case measurements, it may be that your chamber is short or the distance from shoulder to end of neck is short on the chamber.</p><p></p><p>You'll want to figure that out.</p><p></p><p>BTW, my experience was with a 270 Win and 130 gr bullet also.</p><p></p><p>But, on the other hand if the neck is buckled it may be a whole different story. By buckling I mean what the shoulder looks like when you put too much lube on when resizing.</p><p></p><p>If your getting a dimple on the neck that looks something like a small football has been pressed into it, gasses getting back past the case mouth may be indicated. /ubbthreads/images/graemlins/confused.gif With the sticky bolt being due only to the deformed case neck.</p><p></p><p>If that's the case I'd recommend contacting any of the rifle smiths on the board with the question.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 94614, member: 2011"] Ok, I've been there and done that, but don't have the guts to wear the tee shirt [img]/ubbthreads/images/graemlins/grin.gif[/img] When the rifle is fired one of the first things that happens is that the case streches, gets longer. This is even before the bullet leaves the case mouth. If the case is too long it hits the end of the chamber and folds in uniformily gripping the bullet before it can leave the case. Thus pressure goes up depending on the strength of the grip on the bullet. Thus the test of, will a bullet drop back through the case mouth after firing. If the above conditions exist, it is not a safe situation. Also, from your case measurements, it may be that your chamber is short or the distance from shoulder to end of neck is short on the chamber. You'll want to figure that out. BTW, my experience was with a 270 Win and 130 gr bullet also. But, on the other hand if the neck is buckled it may be a whole different story. By buckling I mean what the shoulder looks like when you put too much lube on when resizing. If your getting a dimple on the neck that looks something like a small football has been pressed into it, gasses getting back past the case mouth may be indicated. [img]/ubbthreads/images/graemlins/confused.gif[/img] With the sticky bolt being due only to the deformed case neck. If that's the case I'd recommend contacting any of the rifle smiths on the board with the question. [/QUOTE]
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Reloading
Sticky bolt
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