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Rifles, Reloading, Optics, Equipment
Reloading
28 Nosler advice needed
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<blockquote data-quote="Alaska2006" data-source="post: 1477838" data-attributes="member: 92741"><p>Some load data from today at the range. Keep in mind this is load data developed for my rifle specifically and may not produce the same results in other rifles. As always use extreme caution when hand loading any firearm.</p><p>I loaded 6 various loads all using RL50, All using CCI250 Mag primers, All using Nosler brass (4th firing, full length sized) All using Berger 195 Elite Hunter. All using COAL for my rifle 3.731" All using Base to Ogive for my rifle 2.984", All were seated for .026" jump to lands. All were fire at a temp range from 53 - 61 degrees between 7:40am - 9:20am, All were fire at 5,487' above sea level (Northern NV.) All were 4 shot groups at 100 yrs. All ES/SD & MV were validated with LabRadar</p><p></p><p>86.7 gr ES 48 SD 26.2 AV. MV 3,107 GROUP (.928-.284)= .644 Cold bore</p><p>87.0 gr ES 51 SD 22.5 AV. MV 3,102 GROUP (.416-.284)= .132 One very ragged hole! </p><p>87.3 gr ES 26 SD 12.5 AV. MV 3,139 GROUP (.534- .284)= .248</p><p>87.7 gr ES 23 SD 11.9 AV. MV 3,145 GROUP ( .708- .284) = .424</p><p>88.0 gr ES 13 SD 5.3 AV. MV 3,150 GROUP ( .598- .284) = .314</p><p>88.3 gr ES 36 SD 15.3 AV. MV 3,181 GROUP (1.227- .284) = .943</p><p></p><p>Started seeing slight pressure signs 87.7 gr minor tarnishing of case head and slight indication of ejector marks; no stiff bolt.</p><p></p><p>88.0 gr same leading indicators of pressure as above load except ejector mark is more prominent</p><p></p><p>88.3 prominent ejector marks, tarnish case head face and slightly stiff bolt lift.</p><p></p><p>I should note if you are using QL their data shows a strong 100 - 120 FPS at muzzle slower than my actual fired rounds. I do not know how to true\tune QL with actuals produced in the field.</p><p></p><p>Load mentioned in original post was 88.1 gr AV MV 3,164 (8 rounds) GROUP ( .717- .284)= .443 all other spec were the same as listed</p><p></p><p>PS All charges were double weighed and all rounds were trued using Hornady concentric tool to within .0015" run out.</p><p>More to come as I play with seating depth and time allows. HAPPY SHOOTING.</p></blockquote><p></p>
[QUOTE="Alaska2006, post: 1477838, member: 92741"] Some load data from today at the range. Keep in mind this is load data developed for my rifle specifically and may not produce the same results in other rifles. As always use extreme caution when hand loading any firearm. I loaded 6 various loads all using RL50, All using CCI250 Mag primers, All using Nosler brass (4th firing, full length sized) All using Berger 195 Elite Hunter. All using COAL for my rifle 3.731" All using Base to Ogive for my rifle 2.984", All were seated for .026" jump to lands. All were fire at a temp range from 53 - 61 degrees between 7:40am - 9:20am, All were fire at 5,487' above sea level (Northern NV.) All were 4 shot groups at 100 yrs. All ES/SD & MV were validated with LabRadar 86.7 gr ES 48 SD 26.2 AV. MV 3,107 GROUP (.928-.284)= .644 Cold bore 87.0 gr ES 51 SD 22.5 AV. MV 3,102 GROUP (.416-.284)= .132 One very ragged hole! 87.3 gr ES 26 SD 12.5 AV. MV 3,139 GROUP (.534- .284)= .248 87.7 gr ES 23 SD 11.9 AV. MV 3,145 GROUP ( .708- .284) = .424 88.0 gr ES 13 SD 5.3 AV. MV 3,150 GROUP ( .598- .284) = .314 88.3 gr ES 36 SD 15.3 AV. MV 3,181 GROUP (1.227- .284) = .943 Started seeing slight pressure signs 87.7 gr minor tarnishing of case head and slight indication of ejector marks; no stiff bolt. 88.0 gr same leading indicators of pressure as above load except ejector mark is more prominent 88.3 prominent ejector marks, tarnish case head face and slightly stiff bolt lift. I should note if you are using QL their data shows a strong 100 - 120 FPS at muzzle slower than my actual fired rounds. I do not know how to true\tune QL with actuals produced in the field. Load mentioned in original post was 88.1 gr AV MV 3,164 (8 rounds) GROUP ( .717- .284)= .443 all other spec were the same as listed PS All charges were double weighed and all rounds were trued using Hornady concentric tool to within .0015" run out. More to come as I play with seating depth and time allows. HAPPY SHOOTING. [/QUOTE]
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28 Nosler advice needed
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