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Rifles, Reloading, Optics, Equipment
Reloading
Newbie Reloading .308 Win Input and advice appreciated
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<blockquote data-quote="brandonc46" data-source="post: 1510432" data-attributes="member: 84319"><p>I'm relatively new to reloading. I have reloaded somewhere in the neighborhood of 150 rounds for my .308 I'm going to attach a few pictures of some load testing I did yesterday. If you guys can give me a little insight as to what could be the reasoning for the way my groups ended up I'd appreciate it.</p><p></p><p>My rifle is a Remington 700 AAC-SD in .308. It has a Bell and Carlson Medalist Varmint/Tactical stock. The action screws have been torqued to spec. Timney 510 trigger left at factory setting. The rings are Seekins Precision also torqued to spec. Leupold Mark 4 M1-10x, duplex reticle with a Wheeler anti cant bubble level. All of my shots were taken off of Caldwell bags. I waited several minutes between groups to let the barrel cool.</p><p></p><p>The brass I used was Hornady Match brass. I full length sized the brass after the first firing. I have neck sized the last 2 firings. The brass was trimmed to 2.005, primer pockets cleaned, flash holes deburred, necks chamferred and deburred.</p><p></p><p>I used Varget powder for all my loads. Everything being measured twice with 2 sets of scales to verify the powder charge. </p><p></p><p>This was the first time I had reloaded any of the Noslers. The 168 gr Nosler Ballistic Tips were loaded with 44, 44.5, and 45 grains of powder. With a coal of 2.81. The 1st and last group I know I pulled off on 1 of the shots.</p><p></p><p>The 165 gr Hornady SST's were loaded with 45 grains of powder. I had previously started with the minimum charge listed and found that 45 grains with coal of 2.8 was the best grouping at that given range session. I seated the bullet a little longer to see if I could shrink the group size. Which it did do, minutely.</p><p></p><p>The Sierra Gamekings were loaded with 45 grains of powder as well. I had also previously did some load workup as I did with the SST's starting at the minimum charge and ending up at 45 grains. These were seated at a coal of 2.8. I zeroed my scope after testing all of the previous rounds and ended up with 2 shots in a 1" bull at 100 yards with the Gamekings.</p><p></p><p>I wasn't able to chrono the SST or Noslers, but I was getting 2660 out of the Gamekings with a variation of 15 FPS. I never had any signs of pressure with any of the three different loads. No sticky bolt, flat or cratered primers, or ejector marks. Should I try a higher or lower powder charge, or go to a .2 increment in the charges instead of .5, play with the seating depth, or all of the above? Any info you guys have would be greatly appreciated.</p><p></p><p>Thanks, Brandon</p></blockquote><p></p>
[QUOTE="brandonc46, post: 1510432, member: 84319"] I'm relatively new to reloading. I have reloaded somewhere in the neighborhood of 150 rounds for my .308 I'm going to attach a few pictures of some load testing I did yesterday. If you guys can give me a little insight as to what could be the reasoning for the way my groups ended up I'd appreciate it. My rifle is a Remington 700 AAC-SD in .308. It has a Bell and Carlson Medalist Varmint/Tactical stock. The action screws have been torqued to spec. Timney 510 trigger left at factory setting. The rings are Seekins Precision also torqued to spec. Leupold Mark 4 M1-10x, duplex reticle with a Wheeler anti cant bubble level. All of my shots were taken off of Caldwell bags. I waited several minutes between groups to let the barrel cool. The brass I used was Hornady Match brass. I full length sized the brass after the first firing. I have neck sized the last 2 firings. The brass was trimmed to 2.005, primer pockets cleaned, flash holes deburred, necks chamferred and deburred. I used Varget powder for all my loads. Everything being measured twice with 2 sets of scales to verify the powder charge. This was the first time I had reloaded any of the Noslers. The 168 gr Nosler Ballistic Tips were loaded with 44, 44.5, and 45 grains of powder. With a coal of 2.81. The 1st and last group I know I pulled off on 1 of the shots. The 165 gr Hornady SST's were loaded with 45 grains of powder. I had previously started with the minimum charge listed and found that 45 grains with coal of 2.8 was the best grouping at that given range session. I seated the bullet a little longer to see if I could shrink the group size. Which it did do, minutely. The Sierra Gamekings were loaded with 45 grains of powder as well. I had also previously did some load workup as I did with the SST's starting at the minimum charge and ending up at 45 grains. These were seated at a coal of 2.8. I zeroed my scope after testing all of the previous rounds and ended up with 2 shots in a 1" bull at 100 yards with the Gamekings. I wasn’t able to chrono the SST or Noslers, but I was getting 2660 out of the Gamekings with a variation of 15 FPS. I never had any signs of pressure with any of the three different loads. No sticky bolt, flat or cratered primers, or ejector marks. Should I try a higher or lower powder charge, or go to a .2 increment in the charges instead of .5, play with the seating depth, or all of the above? Any info you guys have would be greatly appreciated. Thanks, Brandon [/QUOTE]
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Newbie Reloading .308 Win Input and advice appreciated
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