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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New 7mm-08 Canyon Buster
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<blockquote data-quote="DoneNOut" data-source="post: 2363391" data-attributes="member: 113404"><p>Dec 8th was a sunny chronograph condition day. I wanted to confirm velocities on an overcast/cloudy day on Dec 9th. (I've known sunny days to cause wonky readings.)</p><p></p><p>I also tried RL17:</p><p></p><p>120 HH</p><p>Powder: RL17 @ 48gr</p><p>Case: Lapua</p><p>Primer: WLR</p><p>MV: 3025fps</p><p>SD: 17</p><p>Group: 3 shots .330"</p><p>Pressure: No signs</p><p>Notes: Will try 48.5gr to achieve 3050fps and lower SD</p><p></p><p>44gr of Varget and AA2520 gave sticky bolt lift. 43gr AA2520 gave 3075fps with no pressure signs.</p><p></p><p>Next up:</p><p></p><p>43.5 Varget</p><p>48.5 RL-17</p><p>41.3 3031 (One case stiff bolt lift at 41.5)</p><p></p><p>I edited the Dec 9th cloudy day chrono readings above post</p></blockquote><p></p>
[QUOTE="DoneNOut, post: 2363391, member: 113404"] Dec 8th was a sunny chronograph condition day. I wanted to confirm velocities on an overcast/cloudy day on Dec 9th. (I've known sunny days to cause wonky readings.) I also tried RL17: 120 HH Powder: RL17 @ 48gr Case: Lapua Primer: WLR MV: 3025fps SD: 17 Group: 3 shots .330" Pressure: No signs Notes: Will try 48.5gr to achieve 3050fps and lower SD 44gr of Varget and AA2520 gave sticky bolt lift. 43gr AA2520 gave 3075fps with no pressure signs. Next up: 43.5 Varget 48.5 RL-17 41.3 3031 (One case stiff bolt lift at 41.5) I edited the Dec 9th cloudy day chrono readings above post [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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New 7mm-08 Canyon Buster
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