30-06 S365 Nosler CComp 168gr quick load

Abrie Muller

Beginner
Feb 13, 2022
2
0
Hi, can anyone please assist with a quick load on Nosler CComp 168gr with Somchem S365. Also on 155gr Cast Comp. Please
 

DrMike

Ballistician
Nov 8, 2006
34,807
952
Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 168, Nosler CC HPBT J4 53164
Useable Case Capaci: 62.632 grain H2O = 4.067 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Somchem S365

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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

-10.0 95 54.81 2612 2545 41493 10178 99.3 1.257
-09.0 97 55.42 2641 2603 42961 10254 99.5 1.236
-08.0 98 56.03 2671 2661 44486 10322 99.7 1.217
-07.0 99 56.64 2700 2719 46071 10385 99.8 1.197
-06.0 100 57.25 2729 2778 47717 10441 99.9 1.178
-05.0 101 57.86 2758 2837 49427 10490 100.0 1.160
-04.0 102 58.46 2787 2897 51207 10532 100.0 1.141 ! Near Maximum !
-03.0 103 59.07 2815 2957 53052 10571 100.0 1.123 ! Near Maximum !
-02.0 104 59.68 2844 3017 54982 10609 100.0 1.106 ! Near Maximum !
-01.0 105 60.29 2872 3077 56983 10646 100.0 1.088 ! Near Maximum !
+00.0 106 60.90 2900 3138 59069 10682 100.0 1.071 ! Near Maximum !
+01.0 107 61.51 2928 3199 61241 10717 100.0 1.054 !DANGEROUS LOAD-DO NOT USE!
+02.0 108 62.12 2956 3260 63500 10752 100.0 1.038 !DANGEROUS LOAD-DO NOT USE!
+03.0 109 62.73 2984 3322 65860 10785 100.0 1.022 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 63.34 3012 3384 68318 10817 100.0 1.006 !DANGEROUS LOAD-DO NOT USE!
+05.0 111 63.95 3039 3446 70877 10848 100.0 0.991 !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 106 60.90 3014 3389 73406 10220 100.0 0.987 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 60.90 2723 2767 46609 11062 98.2 1.183
 

Abrie Muller

Beginner
Feb 13, 2022
2
0
Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 168, Nosler CC HPBT J4 53164
Useable Case Capaci: 62.632 grain H2O = 4.067 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Somchem S365

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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

-10.0 95 54.81 2612 2545 41493 10178 99.3 1.257
-09.0 97 55.42 2641 2603 42961 10254 99.5 1.236
-08.0 98 56.03 2671 2661 44486 10322 99.7 1.217
-07.0 99 56.64 2700 2719 46071 10385 99.8 1.197
-06.0 100 57.25 2729 2778 47717 10441 99.9 1.178
-05.0 101 57.86 2758 2837 49427 10490 100.0 1.160
-04.0 102 58.46 2787 2897 51207 10532 100.0 1.141 ! Near Maximum !
-03.0 103 59.07 2815 2957 53052 10571 100.0 1.123 ! Near Maximum !
-02.0 104 59.68 2844 3017 54982 10609 100.0 1.106 ! Near Maximum !
-01.0 105 60.29 2872 3077 56983 10646 100.0 1.088 ! Near Maximum !
+00.0 106 60.90 2900 3138 59069 10682 100.0 1.071 ! Near Maximum !
+01.0 107 61.51 2928 3199 61241 10717 100.0 1.054 !DANGEROUS LOAD-DO NOT USE!
+02.0 108 62.12 2956 3260 63500 10752 100.0 1.038 !DANGEROUS LOAD-DO NOT USE!
+03.0 109 62.73 2984 3322 65860 10785 100.0 1.022 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 63.34 3012 3384 68318 10817 100.0 1.006 !DANGEROUS LOAD-DO NOT USE!
+05.0 111 63.95 3039 3446 70877 10848 100.0 0.991 !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 106 60.90 3014 3389 73406 10220 100.0 0.987 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 60.90 2723 2767 46609 11062 98.2 1.183

Thank you very much, really appreciated.

Regards

Abrie
 
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