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Rifles, Reloading, Optics, Equipment
Reloading
brass weight sorting
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<blockquote data-quote="Reloader222" data-source="post: 559680" data-attributes="member: 25295"><p>Thanks Mikecr</p><p> </p><p>I have tried my best to do it right:</p><p> </p><p>All cases trimmed and necks turned. Unfortunately I do not have a cronograph to measure velocity, this round it would only to verify impact on groupings. All primer pockets were unified. All flash holes has been deburred. Al case necks were polished with steal wool on an old cleaning brush. </p><p> </p><p>The calibre is .222 Remington. I have used CCI Benchrest4 primers and weight each load on my RCBS 5-10 scale. All bullets weight individually and exactly the same weight (55gr Hornady Varmiter). </p><p> </p><p>I have made 4 batches of 3 shots:</p><p> </p><p>1) <strong>Same Weight: </strong>3 Lapua cases weight 108.8gr</p><p>2) <strong>Different Weight: </strong>one 93.8gr, one 95.0gr and one 101.8gr (cases Norma/Sako/PMP</p><p>3) <strong>Same Volume: </strong>3 Norma cases: Volume of all 3 are 26gr water weight</p><p>4)<strong> Different Volume (water weight): </strong>one 23.6gr,one 25.2gr, one 26gr (cases Norma, Lapua and PMP) </p><p> </p><p>The shooting range is underground and there is no wind involved -100meters. I will shoot the groups on Friday for temperature reasons. Temparature would then be around 25 degrees Celcius. </p><p> </p><p>Thanks for your advise - I will keep you posted on the results.</p></blockquote><p></p>
[QUOTE="Reloader222, post: 559680, member: 25295"] Thanks Mikecr I have tried my best to do it right: All cases trimmed and necks turned. Unfortunately I do not have a cronograph to measure velocity, this round it would only to verify impact on groupings. All primer pockets were unified. All flash holes has been deburred. Al case necks were polished with steal wool on an old cleaning brush. The calibre is .222 Remington. I have used CCI Benchrest4 primers and weight each load on my RCBS 5-10 scale. All bullets weight individually and exactly the same weight (55gr Hornady Varmiter). I have made 4 batches of 3 shots: 1) [B]Same Weight: [/B]3 Lapua cases weight 108.8gr 2) [B]Different Weight: [/B]one 93.8gr, one 95.0gr and one 101.8gr (cases Norma/Sako/PMP 3) [B]Same Volume: [/B]3 Norma cases: Volume of all 3 are 26gr water weight 4)[B] Different Volume (water weight): [/B]one 23.6gr,one 25.2gr, one 26gr (cases Norma, Lapua and PMP) The shooting range is underground and there is no wind involved -100meters. I will shoot the groups on Friday for temperature reasons. Temparature would then be around 25 degrees Celcius. Thanks for your advise - I will keep you posted on the results. [/QUOTE]
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brass weight sorting
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