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Rifles, Reloading, Optics, Equipment
Reloading
Started Load DEV 22-250/53g VMAX
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<blockquote data-quote="benchracer" data-source="post: 959041" data-attributes="member: 22069"><p>I completed the Berger seating depth test as the first part of load development for my 12 twist 22-250 using 53g VMAX's. The target shows a pretty dramatic seating depth preference:</p><p> </p><p>[ATTACH]35309[/ATTACH]</p><p> </p><p>I improvised a bit on the seating depths I chose to test. I measured the actual distance to the rifling with this bullet @ 2.507 COAL, but wasn't sure that would leave enough bullet in the case. I decided to start the test at SAAMI max length (2.350") and work forward from there. The clear winner of the test puts the bullet just shy of .080" from the rifling @ 2.430" COAL.</p><p> </p><p>Now that I have established the preferred seating depth for this bullet in my rifle, I plan to do a powder charge runup with IMR 8208 XBR, CFE 223, VARGET, and RL-17.</p></blockquote><p></p>
[QUOTE="benchracer, post: 959041, member: 22069"] I completed the Berger seating depth test as the first part of load development for my 12 twist 22-250 using 53g VMAX's. The target shows a pretty dramatic seating depth preference: [ATTACH]35309.vB[/ATTACH] I improvised a bit on the seating depths I chose to test. I measured the actual distance to the rifling with this bullet @ 2.507 COAL, but wasn't sure that would leave enough bullet in the case. I decided to start the test at SAAMI max length (2.350") and work forward from there. The clear winner of the test puts the bullet just shy of .080" from the rifling @ 2.430" COAL. Now that I have established the preferred seating depth for this bullet in my rifle, I plan to do a powder charge runup with IMR 8208 XBR, CFE 223, VARGET, and RL-17. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Started Load DEV 22-250/53g VMAX
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