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100g NBT IMR-4350

 
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  #22  
Old 03-23-2007, 05:06 PM
 
Posts: n/a
Re: 100g NBT IMR-4350

<font class="small">Code:</font><hr /><pre> Cartridge : .25-06 Rem.
Bullet : .257, 100, Nosler BalTip 25100
Cartridge O.A.L. L6: 3.250 inch or 82.55 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Hodgdon H4350

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 87 48.80 3102 2136 45205 10531 98.4 1.280
-18.0 89 50.02 3175 2238 48679 10734 99.0 1.237
-16.0 91 51.24 3247 2341 52419 10912 99.5 1.197
-14.0 93 52.46 3319 2446 56411 11064 99.8 1.158 ! Near Maximum !
-12.0 96 53.68 3390 2552 60697 11188 100.0 1.121 ! Near Maximum !
-10.0 98 54.90 3460 2658 65309 11286 100.0 1.086 !DANGEROUS LOAD-DO NOT USE!
-08.0 100 56.12 3529 2766 70275 11374 100.0 1.052 !DANGEROUS LOAD-DO NOT USE!
-06.0 102 57.34 3598 2874 75628 11457 100.0 1.019 !DANGEROUS LOAD-DO NOT USE!
-04.0 104 58.56 3665 2983 81405 11536 100.0 0.988 !DANGEROUS LOAD-DO NOT USE!
-02.0 106 59.78 3732 3093 87647 11611 100.0 0.958 !DANGEROUS LOAD-DO NOT USE!
+00.0 109 61.00 3799 3204 94403 11681 100.0 0.929 !DANGEROUS LOAD-DO NOT USE!
+02.0 111 62.22 3865 3316 101728 11745 100.0 0.901 !DANGEROUS LOAD-DO NOT USE!
+04.0 113 63.44 3930 3430 109684 11804 100.0 0.874 !DANGEROUS LOAD-DO NOT USE!
+06.0 115 64.66 3996 3546 118345 11858 100.0 0.848 !DANGEROUS LOAD-DO NOT USE!
+08.0 117 65.88 4062 3663 127795 11905 100.0 0.823 !DANGEROUS LOAD-DO NOT USE!
+10.0 119 67.10 4127 3782 138134 11945 100.0 0.798 !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 109 61.00 3898 3374 111629 11320 100.0 0.872 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 109 61.00 3647 2954 77109 12202 99.9 1.006 !DANGEROUS LOAD-DO NOT USE!
</pre><hr />
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  #23  
Old 03-26-2007, 11:41 PM
Platinum Member
 
Join Date: Jun 2003
Location: Hermiston, Oregon
Posts: 2,005
Re: 100g NBT IMR-4350

I've pretty much settled on 52.3g IMR-4350 with the 100g NBT. Shoots .75" MOA reliably at 3325fps. Shot it at 800 yards at my 15" gong and once I got her zeroed, hit it 3 out of 4. Not to bad when theres little wind.

I"ll work with IMR-4831 and win primer here in a little bit. Maybe hope to get 3400fps and .5" MOA like a couple fellows down in Texas.
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  #24  
Old 03-29-2007, 12:49 PM
POP POP is offline
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Join Date: Jul 2001
Location: CHEYENNE, WY
Posts: 1,367
Re: 100g NBT IMR-4350

Nice shooting Rem!

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