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Load data for .338 Weatherby RPM + .338 | 225gr | Hornady InterLock SP-RP

Recommended Powder(s):

.338 Weatherby RPM + .338 | 225gr | Hornady InterLock SP-RP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Hornady InterLock SP-RP
Manufacturer SKU:
3320
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.244" | 31.6mm
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
3.329" | 84.6mm
Seated Depth:
0.465" | 11.8mm
Shank Seated Depth:
0.465" | 11.8mm
Case Capacity:
81.6 Grains of Water | 5.30 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B10729_C455
Last updated:
2025-01-01

Load data for 0 loads in caliber .338 Weatherby RPM with .338 | 225gr | Hornady InterLock SP-RP bullet and 0 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
89%
58204
90%
**77
100%
ADI AR 2208
<<locked>>
95%
58436
90%
**61
100%
[ADI AR 2209]*
<<locked>>
97%
42409
65%
**70
92%
Accurate 2015
<<locked>>
85%
57609
89%
**56
100%
Accurate 2200
<<locked>>
87%
58276
90%
**44
100%
Accurate 2230
<<locked>>
83%
58233
90%
**25
100%
Accurate 2460
<<locked>>
83%
58088
89%
**21
100%
Accurate 2495
<<locked>>
88%
57609
89%
**18
100%
Accurate 2520
<<locked>>
87%
57609
89%
**51
100%
Accurate 2700
<<locked>>
95%
58117
89%
**05
97%
[Accurate 3100]*
<<locked>>
97%
34534
53%
**33
93%
Accurate 4064
<<locked>>
93%
57899
89%
**48
100%
Accurate 4350
<<locked>>
97%
48907
75%
**08
99%
Alliant AR-Comp
<<locked>>
87%
57711
89%
**98
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
58479
90%
**84
100%
Alliant Reloder-15
<<locked>>
92%
58218
90%
**94
100%
Alliant Reloder-16
<<locked>>
97%
48283
74%
**25
99%
Alliant Reloder-17 👍
<<locked>>
97%
55593
86%
**53
100%
[Alliant Reloder-19]*
<<locked>>
97%
41582
64%
**67
92%
Alliant Reloder-23
<<locked>>
97%
34171
53%
**69
97%
Alliant Reloder-26
<<locked>>
97%
37434
58%
**97
96%
Baschieri & Pellagri 107
<<locked>>
89%
58465
90%
**94
100%
Bofors RP3
<<locked>>
94%
57856
89%
**84
100%
Bofors RP7
<<locked>>
97%
55912
86%
**25
97%
Hodgdon BL-C2
<<locked>>
87%
58262
90%
**90
100%
Hodgdon Benchmark
<<locked>>
86%
57769
89%
**98
100%
Hodgdon CFE223 👍
<<locked>>
93%
58494
90%
**40
100%
Hodgdon H322
<<locked>>
85%
57769
89%
**15
100%
Hodgdon H380
<<locked>>
93%
57624
89%
**80
100%
Hodgdon H414
<<locked>>
97%
57406
88%
**36
98%
Hodgdon H4350
<<locked>>
97%
46586
72%
**07
95%
Hodgdon Hybrid 100V
<<locked>>
97%
44179
68%
**07
99%
Hodgdon LVR
<<locked>>
97%
52837
81%
**54
99%
Hodgdon Superperformance
<<locked>>
97%
52620
81%
**84
97%
Hodgdon VARGET
<<locked>>
95%
57870
89%
**57
100%
IMR 3031
<<locked>>
91%
57580
89%
**51
100%
IMR 4064
<<locked>>
95%
58334
90%
**51
100%
IMR 4166 Enduron
<<locked>>
96%
58407
90%
**31
98%
IMR 4198
<<locked>>
83%
58436
90%
**26
100%
IMR 4350
<<locked>>
97%
48979
75%
**46
96%
IMR 4451 Enduron
<<locked>>
97%
57754
89%
**54
98%
IMR 4831
<<locked>>
97%
41698
64%
**70
98%
IMR 4895
<<locked>>
91%
58015
89%
**00
100%
IMR 8208 XBR
<<locked>>
88%
58175
89%
**38
100%
Lovex D073.5
<<locked>>
83%
57812
89%
**18
100%
Lovex D073.6
<<locked>>
89%
57856
89%
**51
100%
Lovex S060
<<locked>>
89%
58233
90%
**08
100%
Lovex S062
<<locked>>
93%
57841
89%
**44
100%
Lovex S065
<<locked>>
97%
53461
82%
**02
99%
Lovex S070
<<locked>>
97%
50807
78%
**79
97%
Norma 201
<<locked>>
90%
57667
89%
**31
100%
Norma 202
<<locked>>
90%
58131
89%
**31
100%
Norma 203B 👍
<<locked>>
93%
58421
90%
**00
100%
Norma 204
<<locked>>
97%
49763
77%
**89
95%
[Norma MRP]*
<<locked>>
97%
37942
58%
**64
93%
Norma URP
<<locked>>
97%
48544
75%
**02
99%
Ramshot Big Game
<<locked>>
92%
57479
88%
**00
100%
Ramshot Hunter
<<locked>>
97%
47877
74%
**98
97%
Ramshot TAC
<<locked>>
87%
57740
89%
**51
99%
Ramshot Wild Boar
<<locked>>
88%
57870
89%
**77
100%
Ramshot X-Terminator
<<locked>>
85%
58218
90%
**35
100%
ReloadSwiss RS 40
<<locked>>
84%
58175
89%
**28
100%
ReloadSwiss RS 50
<<locked>>
93%
57928
89%
**64
99%
ReloadSwiss RS 52 👍
<<locked>>
90%
57638
89%
**46
100%
ReloadSwiss RS 60
<<locked>>
96%
58334
90%
**92
100%
ReloadSwiss RS 62
<<locked>>
97%
48414
74%
**28
99%
ReloadSwiss RS 70
<<locked>>
97%
49023
75%
**54
98%
Rottweil R 901
<<locked>>
87%
57957
89%
**98
100%
Rottweil R 902
<<locked>>
91%
57957
89%
**28
100%
Rottweil R 903
<<locked>>
96%
57754
89%
**77
100%
[Rottweil R 904]*
<<locked>>
97%
44164
68%
**64
92%
[Rottweil R 905]*
<<locked>>
97%
39929
61%
**44
92%
Rottweil R 907
<<locked>>
97%
55912
86%
**25
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
57682
89%
**10
100%
SNPE Vectan SP 7
<<locked>>
88%
57812
89%
**57
99%
SNPE Vectan SP 9
<<locked>>
90%
58421
90%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
58479
90%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
58276
90%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53476
82%
**49
97%
Shooters World Long Rifle
<<locked>>
97%
53461
82%
**02
99%
Shooters World Match Rifle
<<locked>>
89%
57856
89%
**51
100%
Shooters World Precision
<<locked>>
93%
57841
89%
**44
100%
Somchem S321
<<locked>>
85%
58233
90%
**57
100%
Somchem S335
<<locked>>
89%
57711
89%
**62
100%
Somchem S341
<<locked>>
88%
57943
89%
**51
100%
Somchem S355
<<locked>>
96%
58334
90%
**80
100%
Somchem S365
<<locked>>
97%
43352
67%
**56
100%
[Somchem S385]*
<<locked>>
97%
40901
63%
**44
94%
Vihtavuori N130
<<locked>>
85%
57638
89%
**20
100%
Vihtavuori N133
<<locked>>
91%
58392
90%
**46
100%
Vihtavuori N135
<<locked>>
97%
56463
87%
**79
100%
Vihtavuori N140
<<locked>>
92%
57870
89%
**02
100%
Vihtavuori N150
<<locked>>
97%
50473
78%
**39
100%
Vihtavuori N160
<<locked>>
97%
53563
82%
**35
99%
Vihtavuori N530
<<locked>>
86%
58349
90%
**48
100%
Vihtavuori N540
<<locked>>
92%
58001
89%
**38
100%
Vihtavuori N550
<<locked>>
97%
53534
82%
**74
99%
Vihtavuori N555
<<locked>>
97%
36825
57%
**41
97%
Winchester 6.5 StaBALL
<<locked>>
97%
51430
79%
**82
100%
Winchester 748
<<locked>>
85%
57957
89%
**77
100%
Winchester 760
<<locked>>
97%
57406
88%
**36
98%
Winchester StaBALL HD
<<locked>>
97%
30560
47%
**49
96%
Winchester StaBALL Match
<<locked>>
83%
58218
90%
**80
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45179
70%
**80
99%
ADI AR 2208
<<locked>>
81%
38537
59%
**43
97%
[ADI AR 2209]*
<<locked>>
93%
37666
58%
**75
90%
Accurate 2015
<<locked>>
81%
51213
79%
**74
100%
Accurate 2200
<<locked>>
81%
47442
73%
**87
99%
Accurate 2230
<<locked>>
81%
53751
83%
**66
100%
Accurate 2460
<<locked>>
81%
54070
83%
**72
100%
Accurate 2495
<<locked>>
81%
46282
71%
**70
100%
Accurate 2520
<<locked>>
81%
47137
73%
**07
100%
[Accurate 2700]*
<<locked>>
81%
36825
57%
**60
92%
[Accurate 3100]*
<<locked>>
91%
28500
44%
**85
90%
Accurate 4064
<<locked>>
81%
38986
60%
**69
100%
[Accurate 4350]*
<<locked>>
81%
28456
44%
**01
93%
Alliant AR-Comp
<<locked>>
81%
47601
73%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37768
58%
**62
99%
Alliant Reloder-15
<<locked>>
81%
40727
63%
**21
98%
[Alliant Reloder-16]*
<<locked>>
81%
29573
45%
**15
93%
Alliant Reloder-17
<<locked>>
81%
32764
50%
**29
97%
[Alliant Reloder-19]*
<<locked>>
93%
37014
57%
**69
90%
[Alliant Reloder-23]*
<<locked>>
84%
23221
36%
**44
90%
[Alliant Reloder-26]*
<<locked>>
88%
27978
43%
**41
90%
Baschieri & Pellagri 107
<<locked>>
81%
44222
68%
**84
98%
Bofors RP3
<<locked>>
81%
37565
58%
**65
99%
[Bofors RP7]*
<<locked>>
81%
34229
53%
**38
91%
Hodgdon BL-C2
<<locked>>
81%
46673
72%
**26
100%
Hodgdon Benchmark
<<locked>>
81%
49298
76%
**74
100%
Hodgdon CFE223
<<locked>>
81%
38972
60%
**25
97%
Hodgdon H322
<<locked>>
81%
50357
77%
**20
100%
Hodgdon H380
<<locked>>
81%
38290
59%
**65
96%
[Hodgdon H414]*
<<locked>>
81%
33823
52%
**13
92%
[Hodgdon H4350]*
<<locked>>
86%
33098
51%
**38
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
27122
42%
**26
94%
[Hodgdon LVR]*
<<locked>>
81%
32010
49%
**64
93%
[Hodgdon Superperformance]*
<<locked>>
84%
34171
53%
**26
90%
Hodgdon VARGET
<<locked>>
81%
38218
59%
**36
97%
IMR 3031
<<locked>>
81%
41307
64%
**21
100%
IMR 4064
<<locked>>
81%
37637
58%
**16
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37536
58%
**83
93%
IMR 4198
<<locked>>
81%
55071
85%
**90
100%
[IMR 4350]*
<<locked>>
84%
32880
51%
**31
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35636
55%
**70
92%
[IMR 4831]*
<<locked>>
81%
25324
39%
**93
91%
IMR 4895
<<locked>>
81%
41785
64%
**51
99%
IMR 8208 XBR
<<locked>>
81%
47297
73%
**90
100%
Lovex D073.5
<<locked>>
81%
53635
83%
**62
100%
Lovex D073.6
<<locked>>
81%
43990
68%
**61
100%
Lovex S060
<<locked>>
81%
45484
70%
**21
99%
Lovex S062
<<locked>>
81%
40393
62%
**79
99%
[Lovex S065]*
<<locked>>
81%
32851
51%
**21
93%
[Lovex S070]*
<<locked>>
81%
31227
48%
**95
91%
Norma 201
<<locked>>
81%
44121
68%
**31
100%
Norma 202
<<locked>>
81%
44570
69%
**41
100%
Norma 203B
<<locked>>
81%
40248
62%
**15
98%
[Norma 204]*
<<locked>>
88%
37217
57%
**59
90%
[Norma MRP]*
<<locked>>
93%
33605
52%
**56
90%
[Norma URP]*
<<locked>>
81%
29240
45%
**01
93%
Ramshot Big Game
<<locked>>
81%
39610
61%
**18
98%
[Ramshot Hunter]*
<<locked>>
82%
29602
46%
**08
90%
Ramshot TAC
<<locked>>
81%
47239
73%
**97
98%
Ramshot Wild Boar
<<locked>>
81%
46470
71%
**07
99%
Ramshot X-Terminator
<<locked>>
81%
50952
78%
**36
100%
ReloadSwiss RS 40
<<locked>>
81%
53388
82%
**66
100%
ReloadSwiss RS 50
<<locked>>
81%
39001
60%
**52
95%
ReloadSwiss RS 52
<<locked>>
81%
42670
66%
**10
98%
ReloadSwiss RS 60
<<locked>>
81%
34867
54%
**95
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
28514
44%
**08
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28848
44%
**05
90%
Rottweil R 901
<<locked>>
81%
48428
75%
**70
100%
Rottweil R 902
<<locked>>
81%
42366
65%
**95
100%
Rottweil R 903
<<locked>>
81%
35346
54%
**13
98%
[Rottweil R 904]*
<<locked>>
94%
40219
62%
**88
90%
[Rottweil R 905]*
<<locked>>
93%
35897
55%
**56
90%
[Rottweil R 907]*
<<locked>>
81%
34229
53%
**38
91%
SNPE Vectan SP 11
<<locked>>
81%
36361
56%
**62
97%
SNPE Vectan SP 7
<<locked>>
81%
45585
70%
**70
98%
SNPE Vectan SP 9
<<locked>>
81%
43511
67%
**51
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45803
70%
**88
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37884
58%
**70
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31995
49%
**72
91%
[Shooters World Long Rifle]*
<<locked>>
81%
32851
51%
**21
93%
Shooters World Match Rifle
<<locked>>
81%
43990
68%
**61
100%
Shooters World Precision
<<locked>>
81%
40393
62%
**79
99%
Somchem S321
<<locked>>
81%
51227
79%
**59
100%
Somchem S335
<<locked>>
81%
45034
69%
**92
100%
Somchem S341
<<locked>>
81%
45150
69%
**64
99%
Somchem S355
<<locked>>
81%
36027
55%
**16
98%
Somchem S365
<<locked>>
81%
26208
40%
**56
95%
[Somchem S385]*
<<locked>>
90%
32982
51%
**77
90%
Vihtavuori N130
<<locked>>
81%
50444
78%
**31
100%
Vihtavuori N133
<<locked>>
81%
43149
66%
**39
100%
Vihtavuori N135
<<locked>>
81%
35302
54%
**64
100%
Vihtavuori N140
<<locked>>
81%
41495
64%
**72
100%
Vihtavuori N150
<<locked>>
81%
30690
47%
**82
98%
[Vihtavuori N160]*
<<locked>>
81%
31807
49%
**41
94%
Vihtavuori N530
<<locked>>
81%
50067
77%
**39
100%
Vihtavuori N540
<<locked>>
81%
41321
64%
**95
100%
[Vihtavuori N550]*
<<locked>>
81%
31966
49%
**70
94%
[Vihtavuori N555]*
<<locked>>
83%
23728
36%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30530
47%
**92
96%
Winchester 748
<<locked>>
81%
50604
78%
**79
100%
[Winchester 760]*
<<locked>>
81%
33823
52%
**13
92%
[Winchester StaBALL HD]*
<<locked>>
90%
24758
38%
**39
90%
Winchester StaBALL Match
<<locked>>
81%
54114
83%
**31
100%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data

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