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rem 700 .308
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<blockquote data-quote="Michael Eichele" data-source="post: 270242" data-attributes="member: 1007"><p>I will elaborate on the development of my 5R.</p><p></p><p></p><p>I tested IMR 4064 with the 168's in the 5R. Accuracy was around the .5 MOA mark. I do not remember the velocities. Never tried IMR 4895 but DID try the H4895. Very good load there. It was 40 or 41 grains under the 175 SMK. 2550 FPS with 3 shot groups in the .100's to .200's at 100 yards and 5 shot groups in the .300's and .400's. VARGET was never as good as I had expected or hoped. VARGET was the powder of choice for my 12x 26" barrel but never the 5R. I tried for quite a while to cook up something with it. Dont get me wrong, it wasnt horrible, it just wasent giving me the ragged one hole groups that other powders were giving me. Hands down the best overall powder for the rifle was RL-15. I used it with the 168-175 SMK, 178 AMAX and 190 SMK. 42.0 of RL-15 and the 178 was by far the most accurate period but 43.5 of RL-15 with the 190 was my "go to" load. It was extreemly accurate, hard hitting, dropped the least, drifted the least, and matched my first 3 mils perfectly in 100 yard increments out to 600 yards with a 300 yard crosshair zero. It punched straight holes at 1K in -10 degree sea level air and maintained .5 MOA accuracy (this is the impressive part) from 0-1000 yards (minus windy days.) All things concidered, it was the ultimate load for that rifle despite the fact that I had other loads that were more accurate. All of my personal best groups I have ever shot at 100, 300 and 1000 yards have been with this rifle. The best 100 yard group was the 178/42.0 RL15 and was my first and only true one hole group. It was a true 0.000" group. I couldnt believe it so a few days later I went to 300 yards and fired another group. It was 0.341" at 300 yards. Later that winter I was working with the 155 AMAX and VARGET and fired a 3.5" group at a full 1000 yards. I thought it had to be a coincidence, drove back to the firing line and fired another group. That one was 4.5". These are all my personal best groups period. Even though the ultra long range accuracy of the 155 and VARGET was phenomonal, the up to 600 yard groups never went under 1 MOA. I scrapped the load. After a while the barrel started to wear pretty bad. More from using JB paste too much and too often than anything. Not heat cracking or errosion but worn down lands. In any event the rifle started to loose its ability to maintain its accuracy with the 190 SMK. So I searched for a load that would work in its weakend condition. I started with BENCHMARK and the 155 AMAX. After trying 42.5 grains it shows very good signs of promise and tested the load several times. Each time it passed with flying colors! I have propably fired 50 groups from the bench with this load and the bad days yields .5 MOA. It is never phenomonal but VERY reliable. The best have been around the .25 MOA mark and never any better, but never worse than .5 MOA. Since then I have toyed with other rifles and calibers and have not taken that load to 1000 to see what it would do so I cant vouch for what it is doing at long range but I suspect it would do just fine. She has since been retired. I will never sell her or modify her, she has way too much sentimental value to me at this point. I tasted my first long range kill with her, shot my best groups with her, harvested more critters with her than any others combined, she NEVER missed a big game critter ever put in her crosshairs, placed 1st in my first match with a 200/200 score and more.</p><p></p><p>Sorry for the ramble. I just like to brag about my best friend!</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 270242, member: 1007"] I will elaborate on the development of my 5R. I tested IMR 4064 with the 168's in the 5R. Accuracy was around the .5 MOA mark. I do not remember the velocities. Never tried IMR 4895 but DID try the H4895. Very good load there. It was 40 or 41 grains under the 175 SMK. 2550 FPS with 3 shot groups in the .100's to .200's at 100 yards and 5 shot groups in the .300's and .400's. VARGET was never as good as I had expected or hoped. VARGET was the powder of choice for my 12x 26" barrel but never the 5R. I tried for quite a while to cook up something with it. Dont get me wrong, it wasnt horrible, it just wasent giving me the ragged one hole groups that other powders were giving me. Hands down the best overall powder for the rifle was RL-15. I used it with the 168-175 SMK, 178 AMAX and 190 SMK. 42.0 of RL-15 and the 178 was by far the most accurate period but 43.5 of RL-15 with the 190 was my "go to" load. It was extreemly accurate, hard hitting, dropped the least, drifted the least, and matched my first 3 mils perfectly in 100 yard increments out to 600 yards with a 300 yard crosshair zero. It punched straight holes at 1K in -10 degree sea level air and maintained .5 MOA accuracy (this is the impressive part) from 0-1000 yards (minus windy days.) All things concidered, it was the ultimate load for that rifle despite the fact that I had other loads that were more accurate. All of my personal best groups I have ever shot at 100, 300 and 1000 yards have been with this rifle. The best 100 yard group was the 178/42.0 RL15 and was my first and only true one hole group. It was a true 0.000" group. I couldnt believe it so a few days later I went to 300 yards and fired another group. It was 0.341" at 300 yards. Later that winter I was working with the 155 AMAX and VARGET and fired a 3.5" group at a full 1000 yards. I thought it had to be a coincidence, drove back to the firing line and fired another group. That one was 4.5". These are all my personal best groups period. Even though the ultra long range accuracy of the 155 and VARGET was phenomonal, the up to 600 yard groups never went under 1 MOA. I scrapped the load. After a while the barrel started to wear pretty bad. More from using JB paste too much and too often than anything. Not heat cracking or errosion but worn down lands. In any event the rifle started to loose its ability to maintain its accuracy with the 190 SMK. So I searched for a load that would work in its weakend condition. I started with BENCHMARK and the 155 AMAX. After trying 42.5 grains it shows very good signs of promise and tested the load several times. Each time it passed with flying colors! I have propably fired 50 groups from the bench with this load and the bad days yields .5 MOA. It is never phenomonal but VERY reliable. The best have been around the .25 MOA mark and never any better, but never worse than .5 MOA. Since then I have toyed with other rifles and calibers and have not taken that load to 1000 to see what it would do so I cant vouch for what it is doing at long range but I suspect it would do just fine. She has since been retired. I will never sell her or modify her, she has way too much sentimental value to me at this point. I tasted my first long range kill with her, shot my best groups with her, harvested more critters with her than any others combined, she NEVER missed a big game critter ever put in her crosshairs, placed 1st in my first match with a 200/200 score and more. Sorry for the ramble. I just like to brag about my best friend! [/QUOTE]
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