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<blockquote data-quote="RockyMtnMT" data-source="post: 1198301" data-attributes="member: 7999"><p>Thanks for posting Harperc. That was the hardest kicking varmint gun I have ever shot.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> Those of you who did not catch on to the varmint thing. This varmint bullet is made for 1000lb varmints with big teeth. It is a 250g .375 cal designed for the standard factory twist of 12 or 14 that most of the 375's have. We also had another 375 H&H there that was a factory Sako. We worked up a load in the Sako at 100 yards and felt good about it. Shot as good a group as I can with a rifle that was whacking me every time I pulled the trigger. About an inch maybe a bit better. This took us 8 or 10 shots I think. We then turned to the rifle that Harperc brought. We really wanted to shoot the 394g Hammer Hunter. This is a much sleeker design than the one that has been previously talked about. It is designed for 10 twist and needs all of the 10 twist. I knew that we would be a bit low on stability with the H&H due to the slow velocity. At under 2200fps the stability at the 3800ft elevation we were at showed 1.4 sg. Should have printed well but did not. Bullets were clearly unstable. This is why we suspect that the old custom barrel may not be 10 twist. I am "PATIENTLY" <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> waiting for Harperc to get a chance to pull a patch and check the twist. This bullet is currently being tested in a bigger 375 10" twist so we will see how it does there. I will say that the 375 H&H with a 394g bullet is a pleasure to shoot. Just a push. I was expecting it to hurt since the 250's at 2750fps did hurt. To my surprise it was very comfortable. Too slow to hurt. This is our first time working with bullets this large so I think we are learning some new stuff. I have heard that the large mono's need more twist than the Miller calculation says. As soon as we get a measurement on the barrel we will learn if this may be true.</p><p></p><p>Now back to the varmint bullet. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> We decided that we would take the load that we used in the Sako and try it in the rifle that Harperc brought. I guess I had not had enough punishment, my shoulder was still functioning. We put on the magnetospeed and got a few shots with it to confirm a velocity. Then possibly test drops for bc. It took me several shots to get the zero.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> My eye sight is not so good up close so I did not bother looking at the numbers on the elevation turret and just assumed it was 1/4 moa clicks. Could not figure out why I was all over the place trying to zero. Thinking our bullet shot like crap. Then I squinted a bit harder and noticed that the scope is 1/2 moa. Ugh. This is the second time I have done this. I must be old. Now that we have things figured out we got it zeroed. Sub moa with the load we did for the Sako in the Mauser semi custom. Pretty good. Took a stab at what to dial for the 270 yard gopher and hit 6" low. What a ballistic pig. Hey it's a close range knock the stuffings out of what ever bullet. Added two more moa and drilled the gopher. 4 clicks, duh. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p></p><p>All in all a fun day.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1198301, member: 7999"] Thanks for posting Harperc. That was the hardest kicking varmint gun I have ever shot.:rolleyes: Those of you who did not catch on to the varmint thing. This varmint bullet is made for 1000lb varmints with big teeth. It is a 250g .375 cal designed for the standard factory twist of 12 or 14 that most of the 375's have. We also had another 375 H&H there that was a factory Sako. We worked up a load in the Sako at 100 yards and felt good about it. Shot as good a group as I can with a rifle that was whacking me every time I pulled the trigger. About an inch maybe a bit better. This took us 8 or 10 shots I think. We then turned to the rifle that Harperc brought. We really wanted to shoot the 394g Hammer Hunter. This is a much sleeker design than the one that has been previously talked about. It is designed for 10 twist and needs all of the 10 twist. I knew that we would be a bit low on stability with the H&H due to the slow velocity. At under 2200fps the stability at the 3800ft elevation we were at showed 1.4 sg. Should have printed well but did not. Bullets were clearly unstable. This is why we suspect that the old custom barrel may not be 10 twist. I am "PATIENTLY" :rolleyes: waiting for Harperc to get a chance to pull a patch and check the twist. This bullet is currently being tested in a bigger 375 10" twist so we will see how it does there. I will say that the 375 H&H with a 394g bullet is a pleasure to shoot. Just a push. I was expecting it to hurt since the 250's at 2750fps did hurt. To my surprise it was very comfortable. Too slow to hurt. This is our first time working with bullets this large so I think we are learning some new stuff. I have heard that the large mono's need more twist than the Miller calculation says. As soon as we get a measurement on the barrel we will learn if this may be true. Now back to the varmint bullet. :rolleyes: We decided that we would take the load that we used in the Sako and try it in the rifle that Harperc brought. I guess I had not had enough punishment, my shoulder was still functioning. We put on the magnetospeed and got a few shots with it to confirm a velocity. Then possibly test drops for bc. It took me several shots to get the zero.:rolleyes: My eye sight is not so good up close so I did not bother looking at the numbers on the elevation turret and just assumed it was 1/4 moa clicks. Could not figure out why I was all over the place trying to zero. Thinking our bullet shot like crap. Then I squinted a bit harder and noticed that the scope is 1/2 moa. Ugh. This is the second time I have done this. I must be old. Now that we have things figured out we got it zeroed. Sub moa with the load we did for the Sako in the Mauser semi custom. Pretty good. Took a stab at what to dial for the 270 yard gopher and hit 6" low. What a ballistic pig. Hey it's a close range knock the stuffings out of what ever bullet. Added two more moa and drilled the gopher. 4 clicks, duh. :rolleyes: All in all a fun day. Steve [/QUOTE]
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