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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Which barrel?
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<blockquote data-quote="ART W" data-source="post: 2908689" data-attributes="member: 989"><p>I put together an 8 X 57 with Rock Creek number 3 contour. I believe its a 1 in 9 twist with a 24 inch length. It was built on a 98 Mauser . The Rock Creek barrel is very accurate and it provides some very high velocities, at least when compared to what Quickload estimates. The gun shoots the 170 grain Hornady SST and Nolser Custom Competition 200 grain and Hornady 196 Match bullets very well. The later two have BC 's at .520 and .525 respectively. I also have some old Norma 197.5 gr BTHP hunting bullets which will also shoot less than one moa. I am getting 2690-2700 fps with the match bullets with CF-223, and that is max. They do their best accuracy around 2640-2650 fps. The 170 Hornady will do 2800 and I have taken whitetails with that. Nothing over 200 yds but the 170 gr SST will hold together when woods hunting at less than 50 yds. All complete pass throughs. We need more 8mm LR bullets, but the demand is too low.</p></blockquote><p></p>
[QUOTE="ART W, post: 2908689, member: 989"] I put together an 8 X 57 with Rock Creek number 3 contour. I believe its a 1 in 9 twist with a 24 inch length. It was built on a 98 Mauser . The Rock Creek barrel is very accurate and it provides some very high velocities, at least when compared to what Quickload estimates. The gun shoots the 170 grain Hornady SST and Nolser Custom Competition 200 grain and Hornady 196 Match bullets very well. The later two have BC 's at .520 and .525 respectively. I also have some old Norma 197.5 gr BTHP hunting bullets which will also shoot less than one moa. I am getting 2690-2700 fps with the match bullets with CF-223, and that is max. They do their best accuracy around 2640-2650 fps. The 170 Hornady will do 2800 and I have taken whitetails with that. Nothing over 200 yds but the 170 gr SST will hold together when woods hunting at less than 50 yds. All complete pass throughs. We need more 8mm LR bullets, but the demand is too low. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Which barrel?
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