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February 27, 2010, 04:03 AM
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#1 |
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Junior Member
Join Date: February 25, 2010
Posts: 3
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Does replacing .243 bbl with .22-250 require bolt change
In considering the replacement of a M700 .243 bbl with a .22-250 bbl the question comes up as to whether the bolt is the same for both. That question arose when it was found that the two cartridges did not both come from the .308 as is commonly thought. While the head diameter is .473" for both calibers, the head of the .243 is thicker by .005 inches per my Speer manual.
Would this difference in thickness require a change to the bolt/extractor? Can anyone speak to this based on personal experience? Many thanks. |
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February 27, 2010, 09:06 AM
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#2 |
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Senior Member
Join Date: June 16, 2008
Location: Wyoming
Posts: 11,061
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No Sir. The bolt face does NOT require modification.
__________________
Kraig Stuart CPT USAR Ret USAMU Sniper School Distinguished Rifle Badge 1071 |
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February 27, 2010, 10:47 PM
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#3 |
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Junior Member
Join Date: February 25, 2010
Posts: 3
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Thank you, Kraig. I'll proceed accordingly on that no-nonsense answer.
John Seymour, just a man up on Lookout Mountain in NW Georgia |
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