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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277 175 Game Changer (TGK)
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<blockquote data-quote="yorke-1" data-source="post: 2264403" data-attributes="member: 11960"><p>I had a chance to shoot the 175 into the gel out of a 1:7" twist barrel with the same impact velocity (2760 fps) I did bump up the powder charge to adjust for the shorter 25" barrel on the 1:7" twist barrel so that I'm getting 3065 fps, which is the same velocity I got from the longer 8.5" twist barrel with the other load. I'm sure I can increase the velocity, I just haven't had time to mess with it yet.</p><p></p><p>The recovered bullet weighed 87.6gr and penetrated 23.5" into the gel. This one also went in a perfectly straight line, which may be a sign that it was just barely stable from the 8.5" twist barrel.</p><p></p><p>I'll play with these more as I have time. They seem to shoot really well in the big 270, which is better than some other lead core bullets at these velocities. I'll try and get this bullet/gun into the rotation for hunting season this year, but I have a few others that I'm trying to smack a critter with too. I have too many projects to test out and I just don't have enough time or enough tags to get them all crammed in!</p></blockquote><p></p>
[QUOTE="yorke-1, post: 2264403, member: 11960"] I had a chance to shoot the 175 into the gel out of a 1:7" twist barrel with the same impact velocity (2760 fps) I did bump up the powder charge to adjust for the shorter 25" barrel on the 1:7" twist barrel so that I'm getting 3065 fps, which is the same velocity I got from the longer 8.5" twist barrel with the other load. I'm sure I can increase the velocity, I just haven't had time to mess with it yet. The recovered bullet weighed 87.6gr and penetrated 23.5" into the gel. This one also went in a perfectly straight line, which may be a sign that it was just barely stable from the 8.5" twist barrel. I'll play with these more as I have time. They seem to shoot really well in the big 270, which is better than some other lead core bullets at these velocities. I'll try and get this bullet/gun into the rotation for hunting season this year, but I have a few others that I'm trying to smack a critter with too. I have too many projects to test out and I just don't have enough time or enough tags to get them all crammed in! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277 175 Game Changer (TGK)
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