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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Measuring Bullet Bearing Surface
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<blockquote data-quote="DANTEC" data-source="post: 32298" data-attributes="member: 685"><p>home made </p><p></p><p>a piece of window glass with a light coat of paper ink ( same as use for news paper or artist work ) you roll your bullet on the window glass and ink print the bearing surface after you can easy measure with a caliper or a rule </p><p></p><p>this method allow you to show pressure ring or uncylindrical bearing surface </p><p></p><p>another way is to built a small frame for a old ( low cost or get from junk ) slide projector and display the bullet on a white wall , scale factor is easy to get with bullet lenght ratio .</p><p></p><p>good shooting</p><p></p><p>DAN TEC</p></blockquote><p></p>
[QUOTE="DANTEC, post: 32298, member: 685"] home made a piece of window glass with a light coat of paper ink ( same as use for news paper or artist work ) you roll your bullet on the window glass and ink print the bearing surface after you can easy measure with a caliper or a rule this method allow you to show pressure ring or uncylindrical bearing surface another way is to built a small frame for a old ( low cost or get from junk ) slide projector and display the bullet on a white wall , scale factor is easy to get with bullet lenght ratio . good shooting DAN TEC [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Measuring Bullet Bearing Surface
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