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Rifles, Reloading, Optics, Equipment
Reloading
7mm 180gr Berger VLD
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<blockquote data-quote="CryptoChief" data-source="post: 255155" data-attributes="member: 14979"><p>sureshot,</p><p> </p><p> I currently load 63 grains of RL 25. 56 grains being the low end. I can load to 65.8 but things tend to get a bit warm. 63 grains tightened the group up pretty good so I stayed with that. Retumbo will run between 59.5 and 65.5 grains. H1000 will run between 53.5 and 59.8. All are good powders and gave good results. All three powders were tested starting at mid load and working up in .5 grain increments until signs of pressure (not excessive) were visible. My rifle liked loads that were 3/4' s to 4/5's of the max load tested.</p><p> </p><p> These loads were tested based on bullet profile, weight and actual bearing surface of the bullet against the barrel. Berger bullets in the VLD have less bearing surface than many other bullet makers. Closest comparison to a Berger is Hornady in their spire point boat tail design. All top/max loads in the test rifle are just that - max. Personally I would strongly recommend starting mid load and work loads from there and see how things shape up in your rifle. Bullets were seated just touching the rifling. I used new Winchester brass and Federal GM215M large rifle match primers. Groups ran 1.71 " down to .62" center to center on average through the range of powder used and load density. In my rifle the faster the bullet was pushed, the larger the group. Might be different for yours. All shooting was done at the 100 yard range off a LeadSled DFT on a solid bench. </p><p> </p><p>Hope this helps.</p><p> </p><p>CC</p></blockquote><p></p>
[QUOTE="CryptoChief, post: 255155, member: 14979"] sureshot, I currently load 63 grains of RL 25. 56 grains being the low end. I can load to 65.8 but things tend to get a bit warm. 63 grains tightened the group up pretty good so I stayed with that. Retumbo will run between 59.5 and 65.5 grains. H1000 will run between 53.5 and 59.8. All are good powders and gave good results. All three powders were tested starting at mid load and working up in .5 grain increments until signs of pressure (not excessive) were visible. My rifle liked loads that were 3/4' s to 4/5's of the max load tested. These loads were tested based on bullet profile, weight and actual bearing surface of the bullet against the barrel. Berger bullets in the VLD have less bearing surface than many other bullet makers. Closest comparison to a Berger is Hornady in their spire point boat tail design. All top/max loads in the test rifle are just that - max. Personally I would strongly recommend starting mid load and work loads from there and see how things shape up in your rifle. Bullets were seated just touching the rifling. I used new Winchester brass and Federal GM215M large rifle match primers. Groups ran 1.71 " down to .62" center to center on average through the range of powder used and load density. In my rifle the faster the bullet was pushed, the larger the group. Might be different for yours. All shooting was done at the 100 yard range off a LeadSled DFT on a solid bench. Hope this helps. CC [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm 180gr Berger VLD
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