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The Range
Rifle & Shotgun Discussion
accuracy difference
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<blockquote data-quote="Dr. Tad Hussein Winslow" data-source="post: 811842" data-attributes="member: 7123"><p>That is correct, sir! [/E. McMahon] No difference in mechanical accuracy, <em>ceteris paribus</em>. Sight radius, ok, yeah, can help a bit with *practical* accuracy (not mechanical). </p><p></p><p>These things can affect mechanical accuracy the most:</p><p></p><p>1. Barrel quality, including rifling quality & type, steel type & quality, manufacturing process used, bore diameter, de-stressing of the steel, etc.</p><p>2. Chamber specs / headspacing</p><p>3. Amount of lead</p><p>4. Crown quality / consistency</p><p>5. Barrel stiffness (ratio of length to thickness; shorter is better; thicker is better).</p><p>6. Ammo, ammo, ammo (bullet consistency, brass consistency, primer choice/consistency, powder charge consistency, powder choice, seating depth, seating alignment, proper crimp, etc.)</p><p>7. Stock to rifle fit, including use of bedding blocks, acra-glas bedding, etc.</p><p>8. Breech face trueing</p><p>9. Peculiar harmonics: Matching of ammo choice to a particular barrel, to get repeatable vibration patterns.</p><p>10. Peculiar harmonics: adding a pressure point and/or free-floating some barrels</p><p></p><p></p><p>Not barrel length.</p></blockquote><p></p>
[QUOTE="Dr. Tad Hussein Winslow, post: 811842, member: 7123"] That is correct, sir! [/E. McMahon] No difference in mechanical accuracy, [I]ceteris paribus[/I]. Sight radius, ok, yeah, can help a bit with *practical* accuracy (not mechanical). These things can affect mechanical accuracy the most: 1. Barrel quality, including rifling quality & type, steel type & quality, manufacturing process used, bore diameter, de-stressing of the steel, etc. 2. Chamber specs / headspacing 3. Amount of lead 4. Crown quality / consistency 5. Barrel stiffness (ratio of length to thickness; shorter is better; thicker is better). 6. Ammo, ammo, ammo (bullet consistency, brass consistency, primer choice/consistency, powder charge consistency, powder choice, seating depth, seating alignment, proper crimp, etc.) 7. Stock to rifle fit, including use of bedding blocks, acra-glas bedding, etc. 8. Breech face trueing 9. Peculiar harmonics: Matching of ammo choice to a particular barrel, to get repeatable vibration patterns. 10. Peculiar harmonics: adding a pressure point and/or free-floating some barrels Not barrel length. [/QUOTE]
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