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Nosler E-Tip in .300 RUM

 
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  #1  
Old 12-30-2007, 02:47 PM
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Join Date: Apr 2007
Location: montana
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Nosler E-Tip in .300 RUM

Hi all, Haven't visited in awhile, but I couldn't help myself, and I bought a box of 180 gr E-Tips. Anyone loading them? Just curious as to what powders are showing promise, and the best velocities. I use primarily RL-25 and Retumbo, so am going to start there. Any info will be welcomed and appreciated. mtmuley
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  #2  
Old 12-30-2007, 07:34 PM
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Join Date: Nov 2004
Location: colorado
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LOL I havent even heard of E-Tips, but I shoot alot of 180 gr accubonds
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  #3  
Old 12-31-2007, 02:19 PM
POP POP is offline
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Join Date: Jul 2001
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Cartridge : .300 Rem Ultra Mag
Bullet : .308, 180, Nosler E-Tip preliminary
Cartridge O.A.L. L6: 3.650 inch or 92.71 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Hodgdon Retumbo

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 83 77.60 2550 2598 32629 10863 97.8 1.657
-18.0 85 79.54 2613 2728 34881 11112 98.6 1.615
-16.0 88 81.48 2675 2861 37302 11329 99.3 1.575
-14.0 90 83.42 2738 2996 39910 11513 99.7 1.535
-12.0 92 85.36 2800 3133 42718 11661 100.0 1.495
-10.0 94 87.30 2861 3271 45746 11773 100.0 1.457
-08.0 96 89.24 2921 3410 49013 11875 100.0 1.419
-06.0 98 91.18 2980 3550 52542 11973 100.0 1.380
-04.0 100 93.12 3039 3691 56355 12068 100.0 1.337 ! Near Maximum !
-02.0 102 95.06 3097 3834 60483 12158 100.0 1.295 ! Near Maximum !
+00.0 104 97.00 3154 3977 64957 12244 100.0 1.256 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 98.94 3211 4122 69806 12326 100.0 1.217 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 100.88 3268 4268 75023 12404 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
+06.0 110 102.82 3324 4416 80633 12476 100.0 1.144 !DANGEROUS LOAD-DO NOT USE!
+08.0 113 104.76 3380 4565 86692 12544 100.0 1.110 !DANGEROUS LOAD-DO NOT USE!
+10.0 115 106.70 3435 4717 93244 12606 100.0 1.077 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 104 97.00 3267 4265 80069 11830 100.0 1.158 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 97.00 2981 3553 51398 12829 99.9 1.385
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  #4  
Old 12-31-2007, 07:38 PM
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Join Date: Apr 2007
Location: montana
Posts: 156
Thanks, POP. That should get me started. It will be hard to top my 200 gr Accubond load, but I just can't leave well enough alone. If only a 200 gr E-Tip. mtmuley
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