6MM QL request

George Foster

Beginner
Dec 4, 2005
225
85
Dr. Mike

I was wondering if I could trouble you once again. Thank You in advance.

6mm Rem
70gr Speer TNT
RL19 Powder
Rem Case
Fed 210 Primer
24" Barrel
2.820 COL
 
Code:
Cartridge          : 6 mm Rem.
Bullet             : .243, 70, Speer HP TNT 1206
Useable Case Capaci: 51.905 grain H2O = 3.370 cm³
Cartridge O.A.L. L6: 2.820 inch = 71.63 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-19 *C

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   98    46.80   3275    1667   43240  10806     89.1    1.125
-09.0   99    47.32   3315    1708   44777  10959     89.8    1.107
-08.0  100    47.84   3355    1749   46357  11110     90.5    1.089
-07.0  101    48.36   3395    1791   48029  11257     91.2    1.072
-06.0  102    48.88   3435    1834   49753  11401     91.8    1.055
-05.0  103    49.40   3475    1877   51543  11541     92.4    1.038
-04.0  104    49.92   3516    1921   53404  11678     93.0    1.021  ! Near Maximum !
-03.0  105    50.44   3556    1965   55338  11810     93.6    1.005  ! Near Maximum !
-02.0  107    50.96   3596    2010   57349  11938     94.2    0.989  ! Near Maximum !
-01.0  108    51.48   3637    2056   59439  12061     94.7    0.973  ! Near Maximum !
+00.0  109    52.00   3678    2102   61623  12180     95.2    0.957  ! Near Maximum !
+01.0  110    52.52   3718    2149   63893  12294     95.7    0.942  !DANGEROUS LOAD-DO NOT USE!
+02.0  111    53.04   3759    2196   66259  12402     96.2    0.927  !DANGEROUS LOAD-DO NOT USE!
+03.0  112    53.56   3799    2244   68714  12506     96.6    0.912  !DANGEROUS LOAD-DO NOT USE!
+04.0  113    54.08   3840    2292   71290  12604     97.1    0.898  !DANGEROUS LOAD-DO NOT USE!
+05.0  114    54.60   3881    2341   73970  12697     97.4    0.883  !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    52.00   3880    2340   74224  12329     99.3    0.884  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    109    52.00   3421    1819   50287  11429     87.2    1.051
 
I shot the Speer 70 HP for varmints a great deal. Devastating! I'm sure the TNT will do the same.
 
Yes they should work well for chucks and crows. I don't know how they would be for coyotes, but I shoot heavier bullets most of the time.
 
George Foster":2qcz7oy6 said:
Yes they should work well for chucks and crows. I don't know how they would be for coyotes, but I shoot heavier bullets most of the time.
> they will ruin a yotes day for certain George. Feed them a few..... (y)
 
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