reloader 10x

biff's reloading

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Jun 12, 2006
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i was using a load in the 243 that used this powder and the 55g bullet, but i think my dog ate my notes. i cant find or remember what i was using. i dont know where i even came up with the load since its not in my books..... since im out of varget at this time, i was wondering if anyone here might have a bit of insight for me.....

anyone use this powder with much sucess? i like it in my 222, but i dont know if its the best for the 243 or not. thoughts? thanks

also, how bad of an idea would it be to start from BL-C2 data since they are almost identical burn rates? im pretty sure this is poor practice, but does anyone know if it would be ok in this instance?
 
I use it in my 204 with good success. I could not locate any data to help you with the 243 either /ubbthreads/images/graemlins/frown.gif
 
thanks chasinelk. anybody even got a suggestion of who to ask? would 10x be in a load program? id really like to try it with the 55's in the 243, but im just too chicken to pick a number and start loading without any info to go from....... also, its a buddies gun we'll be shootin em in..... i like to not blow up a guys guns... /ubbthreads/images/graemlins/frown.gif
 
<font class="small">Code:</font><hr /><pre>Cartridge : .243 Win.
Bullet : .243, 55, Sierra Blitzking 1502
Cartridge O.A.L. L6: 2.710 inch or 68.83 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : ? Alliant Reloder-10x ?, Temperature: 70 °F

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.513% 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

-05.1 76 37.00 3609 1591 48828 7647 100.0 1.076
-04.6 76 37.20 3623 1603 49530 7664 100.0 1.069
-04.1 76 37.40 3637 1616 50240 7681 100.0 1.063
-03.6 77 37.60 3651 1628 50959 7699 100.0 1.056
-03.1 77 37.80 3665 1640 51687 7716 100.0 1.050 ! Near Maximum !
-02.6 78 38.00 3678 1652 52424 7733 100.0 1.043 ! Near Maximum !
-02.1 78 38.20 3692 1665 53169 7750 100.0 1.037 ! Near Maximum !
-01.5 79 38.40 3705 1677 53924 7767 100.0 1.031 ! Near Maximum !
-01.0 79 38.60 3719 1689 54688 7783 100.0 1.025 ! Near Maximum !
-00.5 79 38.80 3732 1701 55461 7800 100.0 1.018 ! Near Maximum !
+00.0 80 39.00 3746 1713 56244 7816 100.0 1.012 ! Near Maximum !
+00.5 80 39.20 3759 1726 57037 7833 100.0 1.006 ! Near Maximum !
+01.0 81 39.40 3772 1738 57839 7849 100.0 1.000 ! Near Maximum !
+01.5 81 39.60 3785 1750 58650 7865 100.0 0.994 ! Near Maximum !
+02.1 81 39.80 3799 1762 59472 7881 100.0 0.989 !DANGEROUS LOAD-DO NOT USE!
+02.6 82 40.00 3812 1774 60304 7897 100.0 0.983 !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 80 39.00 3839 1800 64971 7617 100.0 0.951 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 80 39.00 3605 1588 47297 8105 100.0 1.095 </pre><hr />

Chris
 
I contacted Alliant awhile back and asked for help with load data for 10X. I was told I could use H322 load data as is. Works just fine.
 
I was wondering about using this powder in my 6mm AR turbo improved -- basically a 6.5 Grendel necked down with the shoulder pushed out and angle changed to 40 degrees.

I heard that the burn rate was too fast, but if you are using it in a .243 Win then that probably isn't true.

Too hot or not? :)

I have a pound of RL-10x setting around and am wondering where to safely start with a load workup using 105 gr Amax.

Any experience with this powder or ideas?
 
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