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Rifles, Reloading, Optics, Equipment
Equipment Discussions
HS Precision quality control (revisited)
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<blockquote data-quote="John Stranahan" data-source="post: 44963" data-attributes="member: 2040"><p>I did a little test on a Remington action and HS Precision Stock that I had just worked on. I have a close fitting mandrel to the bolt channel. It is a lapped in fit at the front. At the rear there is probably .0003-.0004 clearance, so that at a 6 inch distance from the back of the action with the front of the mandrel relatively tight the rod can be rocked up and down .0010 inch. It is a drag fit however (probably snug on the sides). No play when inserted from the front. I tested the rock and the drag fit with the action screws loose and tight. No change. I used .0001 inch indicating dial indicator to test the motion. No change. Note that I had a one piece scope base and scope attached which makes the action stiff in the vertical plane.</p><p> There are many ways to a precision rifle. Some of Benchrest guys glue the action in place. Some of 1000 yard benchrest guys use a barrel block glued to the barrel and glue the barrel block into the stock with the action floated. </p><p> I like to take the action out of the stock when it rains to reoil things up after the hunt and am quite satisfied with .2-.3 inch 3 shot groups. My zero does not change after removing and replacing the action. My Hart barreled .308 with the same stock work shot .150 inch 3 shot groups when it was new. Now it averages about .3 inches after 600 rounds.</p><p>A few tenthousandths bend is not really going to hurt anything. It might even bend in a better direction than relaxed on a Remington Receiver. You have a 50-50 chance. Note that my bolts are not sleeved.</p><p></p><p>[ 07-21-2004: Message edited by: John Stranahan ]</p></blockquote><p></p>
[QUOTE="John Stranahan, post: 44963, member: 2040"] I did a little test on a Remington action and HS Precision Stock that I had just worked on. I have a close fitting mandrel to the bolt channel. It is a lapped in fit at the front. At the rear there is probably .0003-.0004 clearance, so that at a 6 inch distance from the back of the action with the front of the mandrel relatively tight the rod can be rocked up and down .0010 inch. It is a drag fit however (probably snug on the sides). No play when inserted from the front. I tested the rock and the drag fit with the action screws loose and tight. No change. I used .0001 inch indicating dial indicator to test the motion. No change. Note that I had a one piece scope base and scope attached which makes the action stiff in the vertical plane. There are many ways to a precision rifle. Some of Benchrest guys glue the action in place. Some of 1000 yard benchrest guys use a barrel block glued to the barrel and glue the barrel block into the stock with the action floated. I like to take the action out of the stock when it rains to reoil things up after the hunt and am quite satisfied with .2-.3 inch 3 shot groups. My zero does not change after removing and replacing the action. My Hart barreled .308 with the same stock work shot .150 inch 3 shot groups when it was new. Now it averages about .3 inches after 600 rounds. A few tenthousandths bend is not really going to hurt anything. It might even bend in a better direction than relaxed on a Remington Receiver. You have a 50-50 chance. Note that my bolts are not sleeved. [ 07-21-2004: Message edited by: John Stranahan ] [/QUOTE]
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HS Precision quality control (revisited)
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