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Rifles, Reloading, Optics, Equipment
Reloading
neck terning
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<blockquote data-quote="col48" data-source="post: 108417" data-attributes="member: 5641"><p>[ QUOTE ]</p><p>If it were me, with Norma brass and a minimum spec chamber,I dont think I'd bother.Do you know the actual neck dia. of the chamber? [/quot </p><p>dose this mean anything to you.</p><p></p><p></p><p>TPI in 20 Inches </p><p> Body TPI 0.115 </p><p> Neck TPI 0.034 </p><p> Throat TPI 0.5237 </p><p> Pilot Size 0.27 </p><p> Caliber 270 </p><p> Bore Size 0.027 </p><p> Groove Size 0.277 </p><p> Basic Brass 270 WSM </p><p> Resize N.D. 0.296 </p><p> Margin .001/.003 </p><p> Tolerances MAT'L. </p><p> Unless Otherwise Specified PACIFIC TOOL DWG. BY Dave Kiff </p><p> Fractional ± .001 598 Avenue C Checked MK </p><p> Decimal + 0.0004 White City, OR 97503 Approved </p><p> Angular ± 1/4 (541)826-5808 Sheet</p><p></p><p>thanks</p><p> colin</p></blockquote><p></p>
[QUOTE="col48, post: 108417, member: 5641"] [ QUOTE ] If it were me, with Norma brass and a minimum spec chamber,I dont think I'd bother.Do you know the actual neck dia. of the chamber? [/quot dose this mean anything to you. TPI in 20 Inches Body TPI 0.115 Neck TPI 0.034 Throat TPI 0.5237 Pilot Size 0.27 Caliber 270 Bore Size 0.027 Groove Size 0.277 Basic Brass 270 WSM Resize N.D. 0.296 Margin .001/.003 Tolerances MAT'L. Unless Otherwise Specified PACIFIC TOOL DWG. BY Dave Kiff Fractional ± .001 598 Avenue C Checked MK Decimal + 0.0004 White City, OR 97503 Approved Angular ± 1/4 (541)826-5808 Sheet thanks colin [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
neck terning
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