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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Hammer range test
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<blockquote data-quote="RockyMtnMT" data-source="post: 1277618" data-attributes="member: 7999"><p>Got a little bit of range time yesterday with the 338 254g yesterday. Good news is they shot very well in load development with different powders and varying seating depths. Ran about 25 rounds that varied is vel by 300fps and different seating depths and all landed inside 3" at 200y. This is proving to hold true that the secant ogive on our PDR design does not have any seating depth issues.</p><p></p><p>Usually we do not mess with seating depth in our loading process. Yesterday we were a bit as the 254g bullet was not able to get max performance due to a short throat in my rifle. We could not get enough of the slow powders in the case and the faster powders would pressure out too quickly. Settled on a load of H1000 for a vel of 3274 fps with sd of 7.5. Then ran out of light. Will load these up and get a good zero and head out to shoot the 1280y rock that we found last Sat to see how the drops look. Still need to shoot this one at low vel to make sure terminal performance is what we expect. Will check high speed impact as well, but this has never been a problem.</p><p></p><p>Will head back to the short range in the next couple of days to zero the rifle. Thinking I may set up the old shooting chrony at the 200y butt and see if we can collect data from that. Need to be able to see the readout with the spotting scope since there is 2' of snow on the ground that makes the trip back and forth to the target a beech. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Oldest son got a call for game damage hunt yesterday and he missed the call. Has to call back this morning and hopefully they did not give away his spot. We may get to go test one on an elk this weekend.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1277618, member: 7999"] Got a little bit of range time yesterday with the 338 254g yesterday. Good news is they shot very well in load development with different powders and varying seating depths. Ran about 25 rounds that varied is vel by 300fps and different seating depths and all landed inside 3" at 200y. This is proving to hold true that the secant ogive on our PDR design does not have any seating depth issues. Usually we do not mess with seating depth in our loading process. Yesterday we were a bit as the 254g bullet was not able to get max performance due to a short throat in my rifle. We could not get enough of the slow powders in the case and the faster powders would pressure out too quickly. Settled on a load of H1000 for a vel of 3274 fps with sd of 7.5. Then ran out of light. Will load these up and get a good zero and head out to shoot the 1280y rock that we found last Sat to see how the drops look. Still need to shoot this one at low vel to make sure terminal performance is what we expect. Will check high speed impact as well, but this has never been a problem. Will head back to the short range in the next couple of days to zero the rifle. Thinking I may set up the old shooting chrony at the 200y butt and see if we can collect data from that. Need to be able to see the readout with the spotting scope since there is 2' of snow on the ground that makes the trip back and forth to the target a beech. :D Oldest son got a call for game damage hunt yesterday and he missed the call. Has to call back this morning and hopefully they did not give away his spot. We may get to go test one on an elk this weekend. Steve [/QUOTE]
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New Hammer range test
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