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Load data for .338 Weatherby RPM + .338 | 200gr | Hornady InterLock FP

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

.338 Weatherby RPM + .338 | 200gr | Hornady InterLock FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 200gr | Hornady InterLock FP
Manufacturer SKU:
3315
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
0.990" | 25.1mm
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
3.329" | 84.6mm
Seated Depth:
0.211" | 5.4mm
Shank Seated Depth:
0.211" | 5.4mm
Case Capacity:
81.6 Grains of Water | 5.30 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B2745_C455
Last updated:
2025-12-16

Load data for 202 loads in caliber .338 Weatherby RPM with .338 | 200gr | Hornady InterLock FP bullet and 101 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11. 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%
57725
89%
**58
100%
ADI AR 2208
<<locked>>
95%
58015
89%
**38
100%
Accurate 2015
<<locked>>
86%
57957
89%
**46
100%
Accurate 2200
<<locked>>
88%
58247
90%
**28
99%
Accurate 2230
<<locked>>
83%
57551
89%
**99
100%
Accurate 2460
<<locked>>
83%
57725
89%
**02
100%
Accurate 2495
<<locked>>
88%
57711
89%
**12
100%
Accurate 2520
<<locked>>
88%
58175
90%
**41
100%
Accurate 2700
<<locked>>
96%
58363
90%
**82
97%
[Accurate 3100]*
<<locked>>
97%
34171
53%
**67
92%
Accurate 4064
<<locked>>
94%
57957
89%
**35
100%
Accurate 4350
<<locked>>
97%
48037
74%
**72
98%
Alliant AR-Comp
<<locked>>
87%
57537
89%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57609
89%
**61
100%
Alliant Reloder-10x
<<locked>>
83%
58291
90%
**59
100%
Alliant Reloder-15
<<locked>>
93%
58407
90%
**84
100%
Alliant Reloder-16
<<locked>>
97%
46949
72%
**72
98%
Alliant Reloder-17 👍
<<locked>>
97%
54766
84%
**30
100%
Alliant Reloder-23
<<locked>>
97%
33489
52%
**00
96%
[Alliant Reloder-26]*
<<locked>>
97%
36898
57%
**38
94%
Baschieri & Pellagri 107
<<locked>>
89%
58088
89%
**77
100%
Bofors RP3
<<locked>>
95%
58320
90%
**77
100%
Bofors RP7
<<locked>>
97%
54505
84%
**82
96%
Hodgdon BL-C2
<<locked>>
88%
58218
90%
**77
100%
Hodgdon Benchmark
<<locked>>
87%
58450
90%
**89
100%
Hodgdon CFE223 👍
<<locked>>
93%
57885
89%
**10
100%
Hodgdon H322
<<locked>>
86%
57899
89%
**12
100%
Hodgdon H380
<<locked>>
94%
58436
90%
**71
99%
Hodgdon H414
<<locked>>
97%
56391
87%
**00
97%
[Hodgdon H4350]*
<<locked>>
97%
45585
70%
**54
94%
Hodgdon Hybrid 100V
<<locked>>
97%
43627
67%
**64
99%
Hodgdon LVR
<<locked>>
97%
52185
80%
**25
98%
Hodgdon Superperformance
<<locked>>
97%
51924
80%
**44
96%
Hodgdon VARGET
<<locked>>
95%
58363
90%
**48
100%
Hodgdon TrailBoss
<<locked>>
96%
33649
52%
**77
100%
IMR 3031
<<locked>>
92%
57914
89%
**44
100%
IMR 4064
<<locked>>
96%
58001
89%
**35
100%
IMR 4166 Enduron
<<locked>>
96%
58073
89%
**15
98%
IMR 4198
<<locked>>
83%
58175
90%
**17
100%
IMR 4350
<<locked>>
97%
48675
75%
**07
95%
IMR 4451 Enduron
<<locked>>
97%
57014
88%
**25
97%
IMR 4831
<<locked>>
97%
41133
63%
**28
97%
IMR 4895
<<locked>>
92%
58189
90%
**94
100%
IMR 8208 XBR
<<locked>>
88%
57972
89%
**25
100%
Lovex D073.5
<<locked>>
84%
58320
90%
**15
100%
Lovex D073.6
<<locked>>
90%
58378
90%
**48
100%
Lovex S060
<<locked>>
90%
57870
89%
**89
100%
Lovex S062
<<locked>>
94%
58305
90%
**41
100%
Lovex S065
<<locked>>
97%
52359
81%
**59
98%
Lovex S070
<<locked>>
97%
50401
78%
**43
96%
Norma 201
<<locked>>
90%
58349
90%
**31
100%
Norma 202
<<locked>>
90%
57827
89%
**18
100%
Norma 203B
<<locked>>
93%
58305
90%
**87
100%
[Norma 204]*
<<locked>>
97%
48457
75%
**36
93%
Norma URP
<<locked>>
97%
48095
74%
**66
98%
Ramshot Big Game 👍
<<locked>>
93%
58204
90%
**97
100%
Ramshot Hunter
<<locked>>
97%
46601
72%
**46
96%
Ramshot TAC
<<locked>>
88%
58363
90%
**44
99%
Ramshot Wild Boar
<<locked>>
88%
57827
89%
**61
100%
Ramshot X-Terminator
<<locked>>
86%
58363
90%
**18
100%
ReloadSwiss RS 14
<<locked>>
96%
34098
52%
**16
100%
ReloadSwiss RS 40
<<locked>>
84%
58363
90%
**18
100%
ReloadSwiss RS 50
<<locked>>
94%
57609
89%
**41
98%
ReloadSwiss RS 52 👍
<<locked>>
90%
57885
89%
**36
100%
ReloadSwiss RS 60
<<locked>>
97%
58305
90%
**82
100%
ReloadSwiss RS 62
<<locked>>
97%
47950
74%
**89
98%
ReloadSwiss RS 70
<<locked>>
97%
48544
75%
**18
98%
Rottweil R 901
<<locked>>
88%
58349
90%
**99
100%
Rottweil R 902
<<locked>>
92%
58349
90%
**15
100%
Rottweil R 903
<<locked>>
97%
58233
90%
**71
100%
Rottweil R 907
<<locked>>
97%
54505
84%
**82
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
57986
89%
**07
100%
SNPE Vectan SP 7
<<locked>>
89%
58218
90%
**38
99%
SNPE Vectan SP 9
<<locked>>
90%
57754
89%
**54
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
58262
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
58305
90%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52823
81%
**17
97%
Shooters World Long Rifle
<<locked>>
97%
52359
81%
**59
98%
Shooters World Match Rifle
<<locked>>
90%
58378
90%
**48
100%
Shooters World Precision
<<locked>>
94%
58305
90%
**41
100%
Somchem S321
<<locked>>
85%
57682
89%
**38
100%
Somchem S335
<<locked>>
90%
58436
90%
**53
100%
Somchem S341
<<locked>>
89%
58305
90%
**38
100%
Somchem S355
<<locked>>
97%
57972
89%
**61
100%
Somchem S365
<<locked>>
97%
42670
66%
**10
100%
[Somchem S385]*
<<locked>>
97%
39972
61%
**82
92%
Vihtavuori N130
<<locked>>
86%
58233
90%
**13
100%
Vihtavuori N133
<<locked>>
92%
58421
90%
**33
100%
Vihtavuori N135
<<locked>>
97%
55999
86%
**56
100%
Vihtavuori N140
<<locked>>
92%
57624
89%
**89
100%
Vihtavuori N150
<<locked>>
97%
49400
76%
**00
100%
Vihtavuori N160
<<locked>>
97%
52707
81%
**02
99%
Vihtavuori N530
<<locked>>
86%
58262
90%
**38
100%
Vihtavuori N540
<<locked>>
92%
57943
89%
**18
100%
Vihtavuori N550
<<locked>>
97%
53229
82%
**44
99%
Vihtavuori N555
<<locked>>
97%
36071
55%
**79
96%
Winchester 6.5 StaBALL
<<locked>>
97%
50807
78%
**46
100%
Winchester 748
<<locked>>
85%
58276
90%
**67
100%
Winchester 760
<<locked>>
97%
56391
87%
**00
97%
[Winchester StaBALL HD]*
<<locked>>
97%
29660
46%
**44
93%
Winchester StaBALL Match
<<locked>>
84%
58276
90%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44483
68%
**35
99%
ADI AR 2208
<<locked>>
81%
37855
58%
**87
96%
Accurate 2015
<<locked>>
81%
50241
77%
**44
100%
Accurate 2200
<<locked>>
81%
46557
72%
**41
98%
Accurate 2230
<<locked>>
81%
52808
81%
**33
100%
Accurate 2460
<<locked>>
81%
53026
82%
**36
100%
Accurate 2495
<<locked>>
81%
45643
70%
**35
100%
Accurate 2520
<<locked>>
81%
46383
71%
**71
100%
[Accurate 2700]*
<<locked>>
81%
36201
56%
**95
90%
[Accurate 3100]*
<<locked>>
94%
30574
47%
**85
90%
Accurate 4064
<<locked>>
81%
38595
59%
**30
100%
[Accurate 4350]*
<<locked>>
81%
27833
43%
**23
91%
Alliant AR-Comp
<<locked>>
81%
46659
72%
**41
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37333
57%
**10
98%
Alliant Reloder-10x
<<locked>>
81%
54259
83%
**10
100%
Alliant Reloder-15
<<locked>>
81%
40045
62%
**72
97%
[Alliant Reloder-16]*
<<locked>>
81%
28993
45%
**36
91%
Alliant Reloder-17
<<locked>>
81%
32082
49%
**64
95%
[Alliant Reloder-23]*
<<locked>>
87%
25324
39%
**51
90%
[Alliant Reloder-26]*
<<locked>>
91%
30487
47%
**54
90%
Baschieri & Pellagri 107
<<locked>>
81%
43497
67%
**35
97%
Bofors RP3
<<locked>>
81%
36854
57%
**10
98%
[Bofors RP7]*
<<locked>>
83%
35476
55%
**18
90%
Hodgdon BL-C2
<<locked>>
81%
46166
71%
**97
100%
Hodgdon Benchmark
<<locked>>
81%
48486
75%
**41
100%
Hodgdon CFE223
<<locked>>
81%
38116
59%
**62
96%
Hodgdon H322
<<locked>>
81%
49472
76%
**87
100%
Hodgdon H380
<<locked>>
81%
37826
58%
**16
95%
[Hodgdon H414]*
<<locked>>
81%
33518
52%
**57
90%
[Hodgdon H4350]*
<<locked>>
89%
36230
56%
**64
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26600
41%
**54
92%
[Hodgdon LVR]*
<<locked>>
81%
31343
48%
**88
92%
[Hodgdon Superperformance]*
<<locked>>
87%
36724
56%
**39
90%
Hodgdon VARGET
<<locked>>
81%
37449
58%
**80
96%
Hodgdon TrailBoss
<<locked>>
94%
32387
50%
**50
100%
IMR 3031
<<locked>>
81%
40785
63%
**85
100%
IMR 4064
<<locked>>
81%
37072
57%
**61
96%
[IMR 4166 Enduron]*
<<locked>>
81%
37057
57%
**25
92%
IMR 4198
<<locked>>
81%
54259
83%
**67
100%
[IMR 4350]*
<<locked>>
87%
35433
55%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34940
54%
**05
91%
[IMR 4831]*
<<locked>>
83%
26426
41%
**60
90%
IMR 4895
<<locked>>
81%
41075
63%
**02
98%
IMR 8208 XBR
<<locked>>
81%
46586
72%
**51
100%
Lovex D073.5
<<locked>>
81%
52823
81%
**36
100%
Lovex D073.6
<<locked>>
81%
43323
67%
**18
100%
Lovex S060
<<locked>>
81%
44730
69%
**82
99%
Lovex S062
<<locked>>
81%
39610
61%
**26
99%
[Lovex S065]*
<<locked>>
81%
32445
50%
**59
92%
[Lovex S070]*
<<locked>>
83%
32924
51%
**88
90%
Norma 201
<<locked>>
81%
43627
67%
**92
99%
Norma 202
<<locked>>
81%
43787
67%
**02
100%
Norma 203B
<<locked>>
81%
39566
61%
**62
98%
[Norma 204]*
<<locked>>
91%
40480
62%
**79
90%
[Norma URP]*
<<locked>>
81%
28732
44%
**36
91%
Ramshot Big Game
<<locked>>
81%
38885
60%
**72
97%
[Ramshot Hunter]*
<<locked>>
85%
31879
49%
**15
90%
Ramshot TAC
<<locked>>
81%
46499
72%
**48
97%
Ramshot Wild Boar
<<locked>>
81%
45832
71%
**74
99%
Ramshot X-Terminator
<<locked>>
81%
50343
77%
**97
99%
ReloadSwiss RS 14
<<locked>>
89%
30516
47%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
52344
81%
**36
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38334
59%
**97
93%
ReloadSwiss RS 52
<<locked>>
81%
41872
64%
**71
98%
ReloadSwiss RS 60
<<locked>>
81%
34142
53%
**26
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
28021
43%
**39
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
31241
48%
**15
90%
Rottweil R 901
<<locked>>
81%
47369
73%
**35
100%
Rottweil R 902
<<locked>>
81%
41336
64%
**43
99%
Rottweil R 903
<<locked>>
81%
34563
53%
**57
97%
[Rottweil R 907]*
<<locked>>
83%
35476
55%
**18
90%
SNPE Vectan SP 11
<<locked>>
81%
35520
55%
**00
96%
SNPE Vectan SP 7
<<locked>>
81%
44875
69%
**21
97%
SNPE Vectan SP 9
<<locked>>
81%
42888
66%
**08
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
45049
69%
**52
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37478
58%
**21
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
32721
50%
**39
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32445
50%
**59
92%
Shooters World Match Rifle
<<locked>>
81%
43323
67%
**18
100%
Shooters World Precision
<<locked>>
81%
39610
61%
**26
99%
Somchem S321
<<locked>>
81%
50430
78%
**30
100%
Somchem S335
<<locked>>
81%
44686
69%
**52
100%
Somchem S341
<<locked>>
81%
44396
68%
**25
98%
Somchem S355
<<locked>>
81%
35549
55%
**61
97%
[Somchem S365]*
<<locked>>
81%
25686
40%
**80
94%
[Somchem S385]*
<<locked>>
94%
35868
55%
**93
90%
Vihtavuori N130
<<locked>>
81%
50183
77%
**05
100%
Vihtavuori N133
<<locked>>
81%
42177
65%
**00
100%
Vihtavuori N135
<<locked>>
81%
34577
53%
**11
100%
Vihtavuori N140
<<locked>>
81%
40625
63%
**23
100%
Vihtavuori N150
<<locked>>
81%
30371
47%
**23
97%
[Vihtavuori N160]*
<<locked>>
81%
31154
48%
**69
93%
Vihtavuori N530
<<locked>>
81%
49226
76%
**03
100%
Vihtavuori N540
<<locked>>
81%
40524
62%
**46
100%
[Vihtavuori N550]*
<<locked>>
81%
31546
49%
**11
93%
[Vihtavuori N555]*
<<locked>>
87%
26005
40%
**00
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
30037
46%
**16
94%
Winchester 748
<<locked>>
81%
49719
76%
**49
100%
[Winchester 760]*
<<locked>>
81%
33518
52%
**57
90%
[Winchester StaBALL HD]*
<<locked>>
93%
26658
41%
**36
90%
Winchester StaBALL Match
<<locked>>
81%
52794
81%
**89
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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