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Rifles, Reloading, Optics, Equipment
Reloading
708 urgent help
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<blockquote data-quote="jimbires" data-source="post: 652481" data-attributes="member: 11011"><p>something doesn't sound right to me . I'm guessing chrony troubles . </p><p> I have two rifles in 7-08 . one with a 24 inch broughton bbl . I shoot Berger 140 VLD hunting . I use RL17 powder , and a CCI 200 primer . here is my chrony readings outside temp 75*F . </p><p></p><p></p><p>44.0 gr .....2781FPs </p><p>44.5 gr .....2788FPS </p><p>45.0 gr .....2829FPS</p><p>45.5 gr .....2853FPS </p><p>46.0 gr .....2891FPS</p><p>46.5 gr .....2924FPS </p><p>47.0 gr .....2966 FPS </p><p>47.5 gr .....3005 FPS </p><p>48.0 gr .....3054 FPS ( quickload max )</p><p>48.5gr .....3106 FPS</p><p>49.0 gr ..... error </p><p> </p><p>different day 65*F </p><p>49.0gr .....3077,3077,3080,3077,3081 </p><p></p><p>different day 80*F</p><p>stock Tikka 22inch bbl using Hornady 139 BTSP bullets , CCI 200 primer , IMR4064 powder </p><p></p><p>43.2 gr , 2821 , 2800 , 2805 , 2794 , 2790 ,</p></blockquote><p></p>
[QUOTE="jimbires, post: 652481, member: 11011"] something doesn't sound right to me . I'm guessing chrony troubles . I have two rifles in 7-08 . one with a 24 inch broughton bbl . I shoot Berger 140 VLD hunting . I use RL17 powder , and a CCI 200 primer . here is my chrony readings outside temp 75*F . 44.0 gr .....2781FPs 44.5 gr .....2788FPS 45.0 gr .....2829FPS 45.5 gr .....2853FPS 46.0 gr .....2891FPS 46.5 gr .....2924FPS 47.0 gr .....2966 FPS 47.5 gr .....3005 FPS 48.0 gr .....3054 FPS ( quickload max ) 48.5gr .....3106 FPS 49.0 gr ..... error different day 65*F 49.0gr .....3077,3077,3080,3077,3081 different day 80*F stock Tikka 22inch bbl using Hornady 139 BTSP bullets , CCI 200 primer , IMR4064 powder 43.2 gr , 2821 , 2800 , 2805 , 2794 , 2790 , [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
708 urgent help
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