300 prc quick load look up.

[bob3663]

Hey guys. I got a 300 prc I wanna load up. I have to bullet weights I’d like to try.

Seekins PH2 with 26” barrel with a suppressor on the end of it.

RL26 powder

200 grain accubonds
220 eld-x


Can someone run that through for me? Thank you.


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[bob3663]

Anyone??


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[SJB358]

I’m not sure if the PRC is in QL yet. But I could be way off.

Sounds maybe starting with a call or Nosler and Hornady and see what they have for data? They’ve been pretty good to me.

 

[flyingagg]

I don't know anything about the round, however here is just a straight run

Cartridge : .300 Precision Rifle Cartridge
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 92.306 grain H2O = 5.993 cm³
Cartridge O.A.L. L6: 3.700 inch = 93.98 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-26 *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 82 74.70 2757 3376 43154 11990 100.0 1.523
-09.0 83 75.53 2786 3447 44634 12058 100.0 1.499
-08.0 83 76.36 2815 3519 46162 12125 100.0 1.475
-07.0 84 77.19 2843 3591 47739 12192 100.0 1.453
-06.0 85 78.02 2872 3663 49367 12257 100.0 1.430
-05.0 86 78.85 2900 3735 51047 12322 100.0 1.408
-04.0 87 79.68 2928 3808 52781 12386 100.0 1.387
-03.0 88 80.51 2956 3881 54571 12449 100.0 1.366
-02.0 89 81.34 2984 3954 56419 12512 100.0 1.345 ! Near Maximum !
-01.0 90 82.17 3011 4027 58327 12573 100.0 1.325 ! Near Maximum !
+00.0 91 83.00 3039 4101 60297 12634 100.0 1.305 ! Near Maximum !
+01.0 92 83.83 3066 4176 62331 12693 100.0 1.286 ! Near Maximum !
+02.0 93 84.66 3094 4250 64433 12752 100.0 1.267 !DANGEROUS LOAD-DO NOT USE!
+03.0 93 85.49 3121 4326 66604 12809 100.0 1.248 !DANGEROUS LOAD-DO NOT USE!
+04.0 94 86.32 3148 4401 68848 12866 100.0 1.230 !DANGEROUS LOAD-DO NOT USE!
+05.0 95 87.15 3175 4477 71166 12922 100.0 1.212 !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 91 83.00 3148 4400 73972 12202 100.0 1.201 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 83.00 2872 3663 46776 13240 99.9 1.449

 

[flyingagg]

I cant find the 200 eld-x

 

[SJB358]

Is the 220 in there AG?

I need to get an update to my QL.

 

[bob3663]

I cant find the 200 eld-x

220 eld-x

And thank you!!


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[flyingagg]

I meant 220 eld-x I can see it

 

[flyingagg]

OK, I loaded just Hornady bullets and found it

Cartridge : .300 Precision Rifle Cartridge
Bullet : .308, 220, Hornady ELD-X 3078
Useable Case Capaci: 89.600 grain H2O = 5.818 cm³
Cartridge O.A.L. L6: 3.700 inch = 93.98 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-26 *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 82 72.90 2685 3521 46308 11645 100.0 1.538
-09.0 83 73.71 2712 3592 47886 11715 100.0 1.514
-08.0 84 74.52 2738 3663 49513 11784 100.0 1.491
-07.0 85 75.33 2765 3735 51193 11851 100.0 1.468
-06.0 86 76.14 2791 3806 52926 11919 100.0 1.446
-05.0 87 76.95 2818 3879 54713 11985 100.0 1.424
-04.0 88 77.76 2844 3951 56558 12050 100.0 1.403 ! Near Maximum !
-03.0 88 78.57 2870 4024 58462 12115 100.0 1.382 ! Near Maximum !
-02.0 89 79.38 2896 4097 60427 12178 100.0 1.361 ! Near Maximum !
-01.0 90 80.19 2922 4171 62456 12241 100.0 1.341 ! Near Maximum !
+00.0 91 81.00 2948 4245 64551 12303 100.0 1.321 !DANGEROUS LOAD-DO NOT USE!
+01.0 92 81.81 2974 4319 66713 12364 100.0 1.302 !DANGEROUS LOAD-DO NOT USE!
+02.0 93 82.62 2999 4394 68947 12424 100.0 1.283 !DANGEROUS LOAD-DO NOT USE!
+03.0 94 83.43 3025 4469 71254 12483 100.0 1.264 !DANGEROUS LOAD-DO NOT USE!
+04.0 95 84.24 3050 4545 73638 12541 100.0 1.246 !DANGEROUS LOAD-DO NOT USE!
+05.0 96 85.05 3076 4621 76101 12598 100.0 1.228 !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 91 81.00 3042 4520 78716 11907 100.0 1.221 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 81.00 2805 3843 50427 12884 100.0 1.461

 

[SJB358]

Great speeds from that cartridge for darned sure.

 

[sako2]

Here's hornady's data on the eld-x. https://www.hornady.com/assets/site/hor ... prc-v2.pdf