Home Forums Reloading Big Game Rifles RL-25 and the 338 Lapua

Does anyone have any data for using RL-25 in the 338 Lapua with 250 grain bullets? So far I've come up empty handed with RL-25.

These are recommended powders by quickload

Cartridge : .338 Lapua Mag.
Bullet : .338, 250, Nosler PART SP 35644
Cartridge O.A.L. L6: 3.681 inch or 93.50 mm
Barrel Length : 26.0 inch or 660.4 mm

Predicted Data for Indicated Charges of the Following Powders.

Matching Maximum Pressure: 66647 psi, or 459 MPa

or a maximum loading ratio or filling of 104 %

These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

143 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.

Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Vihtavuori N560 99.3 92.2 5.97 3001 100.0 66647 12468 1.244 ! Near Maximum !
Ramshot Magnum (Big Boy) 102.1 98.7 6.40 3000 100.0 66647 12129 1.240 ! Near Maximum !
PB Clermont PCL 517 102.0 98.8 6.40 2999 100.0 66647 12119 1.240 ! Near Maximum !
Accurate MAGPRO 99.6 96.1 6.23 2998 99.6 66647 12660 1.251 ! Near Maximum !
SNPE Vectan SP 12 101.8 98.7 6.39 2998 100.0 66647 12089 1.240 ! Near Maximum !
IMR 7828 103.8 91.6 5.93 2989 100.0 66647 12009 1.235 ! Near Maximum !
IMR 7828 SSC 98.2 91.6 5.93 2989 100.0 66647 12009 1.235 ! Near Maximum !
Norma MRP 97.4 92.3 5.98 2988 100.0 66647 11915 1.252 ! Near Maximum !
ADI AR 2213 99.3 91.2 5.91 2978 100.0 66647 11958 1.232 ! Near Maximum !
ADI AP 2214 103.2 97.2 6.30 2978 100.0 66647 11727 1.229 ! Near Maximum !
Bofors RP5/NP ~approximation 99.6 91.5 5.93 2970 100.0 66647 11837 1.251 ! Near Maximum !
Raufoss RA15 99.6 91.5 5.93 2970 100.0 66647 11837 1.251 ! Near Maximum !
Alliant Reloder-22 99.6 91.5 5.93 2970 100.0 66647 11837 1.251 ! Near Maximum !
Winchester WXR 102.3 91.9 5.96 2970 100.0 66647 11864 1.251 ! Near Maximum !
Alliant Reloder-25 104.0 93.9 6.09 2952 100.0 64127 11407 1.265 ! Near Maximum !
Rottweil R905 101.0 91.0 5.90 2947 99.9 66647 11720 1.250 ! Near Maximum !
Vihtavuori N570 104.0 99.6 6.45 2940 97.5 57203 13570 1.326
ADI AR 2209 96.4 87.1 5.64 2933 100.0 66647 11277 1.239 ! Near Maximum !
Alliant Reloder-19 96.9 88.0 5.70 2931 100.0 66647 11338 1.246 ! Near Maximum !
Bofors RP14 ~approximation 97.7 88.7 5.75 2925 100.0 66647 11261 1.247 ! Near Maximum !





This is your request for RL 25



Cartridge : .338 Lapua Mag.
Bullet : .338, 250, Nosler PART SP 35644
Cartridge O.A.L. L6: 3.681 inch or 93.50 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Alliant Reloder-25

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 83 75.20 2396 3186 32426 10055 98.6 1.713
-18.0 85 77.08 2454 3343 34694 10271 99.2 1.667
-16.0 87 78.96 2512 3503 37126 10462 99.6 1.622
-14.0 90 80.84 2570 3666 39730 10625 99.9 1.570
-12.0 92 82.72 2627 3830 42530 10760 100.0 1.521
-10.0 94 84.60 2683 3996 45532 10877 100.0 1.474
-08.0 96 86.48 2738 4163 48759 10990 100.0 1.428
-06.0 98 88.36 2793 4331 52229 11101 100.0 1.385
-04.0 100 90.24 2847 4501 55964 11208 100.0 1.343
-02.0 102 92.12 2901 4672 59987 11311 100.0 1.303 ! Near Maximum !
+00.0 104 94.00 2954 4845 64324 11411 100.0 1.264 ! Near Maximum !
+02.0 106 95.88 3007 5020 68990 11507 100.0 1.226 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 97.76 3060 5197 73984 11599 100.0 1.190 !DANGEROUS LOAD-DO NOT USE!
+06.0 110 99.64 3112 5376 79352 11686 100.0 1.156 !DANGEROUS LOAD-DO NOT USE!
+08.0 112 101.52 3164 5558 85129 11770 100.0 1.122 !DANGEROUS LOAD-DO NOT USE!
+10.0 115 103.40 3216 5742 91356 11848 100.0 1.090 !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 104 94.00 3051 5168 78904 11017 100.0 1.171 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 94.00 2805 4369 50986 11978 99.9 1.389
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