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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is truing threads on a rem 700 action?
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<blockquote data-quote="cmarchand" data-source="post: 1828208" data-attributes="member: 37350"><p>To truly get all the precision out of a blueprinted Rem 700 action:</p><p>1) True up raceway to a consistent size <.7035></p><p>2) Insert a hardened ground mandrel <.703></p><p>3) Dial in mandrel within .0002" front to back approximately 6" spread</p><p>4) Single point threads to 1.060 +.010"</p><p>5) Face cut action square</p><p>6) Face cut bolt lug face</p><p>7) Lap threads with 220 then 320 grit to full contact</p><p>8) Bolt face squared</p><p>9) Bolt lugs lapped to receiver</p><p></p><p>I shoot a 6XC Bartlien barrel M24 contour 1:7 twist 28"</p><p>39.4 gr H4350 behind 115 DTAC </p><p>.5"- 5 shoot group@300yds</p></blockquote><p></p>
[QUOTE="cmarchand, post: 1828208, member: 37350"] To truly get all the precision out of a blueprinted Rem 700 action: 1) True up raceway to a consistent size <.7035> 2) Insert a hardened ground mandrel <.703> 3) Dial in mandrel within .0002" front to back approximately 6" spread 4) Single point threads to 1.060 +.010" 5) Face cut action square 6) Face cut bolt lug face 7) Lap threads with 220 then 320 grit to full contact 8) Bolt face squared 9) Bolt lugs lapped to receiver I shoot a 6XC Bartlien barrel M24 contour 1:7 twist 28" 39.4 gr H4350 behind 115 DTAC .5"- 5 shoot group@300yds [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is truing threads on a rem 700 action?
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