top of page

Load data for .338 Weatherby RPM + .338 | 225gr | Sierra Pro-Hunter

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

.338 Weatherby RPM + .338 | 225gr | Sierra Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Sierra Pro-Hunter
Manufacturer SKU:
2620
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.280" | 32.5mm
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
3.329" | 84.6mm
Seated Depth:
0.501" | 12.7mm
Shank Seated Depth:
0.501" | 12.7mm
Case Capacity:
81.6 Grains of Water | 5.30 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B5925_C455
Last updated:
2025-12-16

Load data for 204 loads in caliber .338 Weatherby RPM with .338 | 225gr | Sierra Pro-Hunter bullet and 102 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.

    .

    Loading_icon.gif

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>>
90%
58479
90%
**74
100%
ADI AR 2208
<<locked>>
95%
57943
89%
**48
100%
[ADI AR 2209]*
<<locked>>
97%
42119
65%
**57
92%
Accurate 2015
<<locked>>
85%
57943
89%
**56
100%
Accurate 2200
<<locked>>
88%
57899
89%
**31
100%
Accurate 2230
<<locked>>
83%
57464
88%
**15
100%
Accurate 2460
<<locked>>
83%
57667
89%
**15
100%
Accurate 2495
<<locked>>
88%
57609
89%
**18
100%
Accurate 2520
<<locked>>
88%
58436
90%
**57
100%
Accurate 2700
<<locked>>
95%
57798
89%
**95
97%
[Accurate 3100]*
<<locked>>
97%
34345
53%
**23
93%
Accurate 4064
<<locked>>
94%
57812
89%
**48
100%
Accurate 4350
<<locked>>
97%
48254
74%
**92
99%
Alliant AR-Comp
<<locked>>
87%
58030
89%
**98
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57986
89%
**74
100%
Alliant Reloder-15
<<locked>>
92%
57870
89%
**90
100%
Alliant Reloder-16
<<locked>>
97%
47137
73%
**02
99%
Alliant Reloder-17 👍
<<locked>>
97%
55056
85%
**40
100%
[Alliant Reloder-19]*
<<locked>>
97%
41118
63%
**51
92%
Alliant Reloder-23
<<locked>>
97%
33692
52%
**52
97%
Alliant Reloder-26
<<locked>>
97%
36941
57%
**80
95%
Baschieri & Pellagri 107
<<locked>>
89%
58189
90%
**94
100%
Bofors RP3
<<locked>>
95%
58320
90%
**87
100%
Bofors RP7
<<locked>>
97%
54839
84%
**08
97%
Hodgdon BL-C2
<<locked>>
88%
57972
89%
**80
100%
Hodgdon Benchmark
<<locked>>
87%
58131
89%
**95
100%
Hodgdon CFE223 👍
<<locked>>
93%
58117
89%
**30
100%
Hodgdon H322
<<locked>>
86%
58073
89%
**18
100%
Hodgdon H380
<<locked>>
94%
58088
89%
**84
100%
Hodgdon H414
<<locked>>
97%
57072
88%
**26
98%
Hodgdon H4350
<<locked>>
97%
45847
71%
**90
95%
Hodgdon Hybrid 100V
<<locked>>
97%
43743
67%
**90
99%
Hodgdon LVR
<<locked>>
97%
52388
81%
**41
99%
Hodgdon Superperformance
<<locked>>
97%
52475
81%
**77
97%
Hodgdon VARGET
<<locked>>
95%
58363
90%
**57
100%
IMR 3031
<<locked>>
92%
58175
90%
**54
100%
IMR 4064
<<locked>>
96%
57957
89%
**44
100%
IMR 4166 Enduron
<<locked>>
96%
58363
90%
**28
98%
IMR 4198
<<locked>>
83%
58320
90%
**20
100%
IMR 4350
<<locked>>
97%
48776
75%
**36
96%
IMR 4451 Enduron
<<locked>>
97%
57363
88%
**44
98%
IMR 4831
<<locked>>
97%
40872
63%
**51
98%
IMR 4895
<<locked>>
91%
57638
89%
**94
100%
IMR 8208 XBR
<<locked>>
88%
57551
89%
**31
100%
Lovex D073.5
<<locked>>
84%
58160
89%
**18
100%
Lovex D073.6
<<locked>>
90%
58436
90%
**57
100%
Lovex S060
<<locked>>
89%
57841
89%
**02
100%
Lovex S062
<<locked>>
93%
58160
89%
**44
100%
Lovex S065
<<locked>>
97%
52634
81%
**85
98%
Lovex S070
<<locked>>
97%
50386
78%
**66
97%
Norma 201
<<locked>>
90%
57522
88%
**28
100%
Norma 202
<<locked>>
90%
57696
89%
**18
100%
Norma 203B
<<locked>>
93%
58073
89%
**87
100%
[Norma 204]*
<<locked>>
97%
48704
75%
**72
94%
[Norma MRP]*
<<locked>>
97%
37101
57%
**41
92%
Norma URP
<<locked>>
97%
48109
74%
**89
99%
Ramshot Big Game 👍
<<locked>>
93%
57870
89%
**03
100%
Ramshot Hunter
<<locked>>
97%
46847
72%
**75
97%
Ramshot TAC
<<locked>>
88%
58117
89%
**54
99%
Ramshot Wild Boar
<<locked>>
88%
58407
90%
**80
100%
Ramshot X-Terminator
<<locked>>
85%
57522
88%
**18
100%
ReloadSwiss RS 40
<<locked>>
84%
57682
89%
**15
100%
ReloadSwiss RS 50
<<locked>>
94%
58363
90%
**67
99%
ReloadSwiss RS 52 👍
<<locked>>
90%
58102
89%
**49
100%
ReloadSwiss RS 60
<<locked>>
97%
58175
89%
**85
100%
ReloadSwiss RS 62
<<locked>>
97%
48051
74%
**18
99%
ReloadSwiss RS 70
<<locked>>
97%
48051
74%
**31
98%
Rottweil R 901
<<locked>>
88%
58189
90%
**98
100%
Rottweil R 902
<<locked>>
92%
58262
90%
**28
100%
Rottweil R 903
<<locked>>
97%
58218
90%
**84
100%
[Rottweil R 905]*
<<locked>>
97%
39581
61%
**31
92%
Rottweil R 907
<<locked>>
97%
54839
84%
**08
97%
SNPE Vectan SP 11 👍
<<locked>>
96%
58073
89%
**13
100%
SNPE Vectan SP 7
<<locked>>
89%
58421
90%
**54
99%
SNPE Vectan SP 9
<<locked>>
90%
58117
89%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
57986
89%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57711
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53069
82%
**39
97%
Shooters World Long Rifle
<<locked>>
97%
52634
81%
**85
98%
Shooters World Match Rifle
<<locked>>
90%
58436
90%
**57
100%
Shooters World Precision
<<locked>>
93%
58160
89%
**44
100%
Somchem S321
<<locked>>
85%
57885
89%
**48
100%
Somchem S335
<<locked>>
89%
57711
89%
**59
100%
Somchem S341
<<locked>>
89%
57667
89%
**41
100%
Somchem S355
<<locked>>
97%
58291
90%
**71
100%
Somchem S365
<<locked>>
97%
42772
66%
**39
100%
[Somchem S385]*
<<locked>>
97%
39856
61%
**15
93%
Vihtavuori N130
<<locked>>
86%
58349
90%
**23
100%
Vihtavuori N133
<<locked>>
91%
57885
89%
**33
100%
Vihtavuori N135
<<locked>>
97%
55985
86%
**72
100%
Vihtavuori N140
<<locked>>
92%
58146
89%
**02
100%
Vihtavuori N150
<<locked>>
97%
49530
76%
**20
100%
Vihtavuori N160
<<locked>>
97%
53185
82%
**25
99%
Vihtavuori N530
<<locked>>
86%
57870
89%
**41
100%
Vihtavuori N540
<<locked>>
92%
57667
89%
**28
100%
Vihtavuori N550
<<locked>>
97%
53301
82%
**67
99%
Vihtavuori N555
<<locked>>
97%
36419
56%
**28
97%
Winchester 6.5 StaBALL
<<locked>>
97%
51227
79%
**75
100%
Winchester 748
<<locked>>
85%
57551
89%
**67
100%
Winchester 760
<<locked>>
97%
57072
88%
**26
98%
Winchester StaBALL HD
<<locked>>
97%
29849
46%
**20
95%
Winchester StaBALL Match
<<locked>>
84%
58146
89%
**80
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44686
69%
**67
99%
ADI AR 2208
<<locked>>
81%
38058
59%
**29
97%
[ADI AR 2209]*
<<locked>>
94%
38551
59%
**88
90%
Accurate 2015
<<locked>>
81%
50560
78%
**64
100%
Accurate 2200
<<locked>>
81%
46963
72%
**70
98%
Accurate 2230
<<locked>>
81%
53316
82%
**59
100%
Accurate 2460
<<locked>>
81%
53432
82%
**59
100%
Accurate 2495
<<locked>>
81%
45934
71%
**64
100%
Accurate 2520
<<locked>>
81%
46412
71%
**93
100%
[Accurate 2700]*
<<locked>>
81%
36492
56%
**44
91%
[Accurate 3100]*
<<locked>>
91%
28253
43%
**78
90%
Accurate 4064
<<locked>>
81%
38827
60%
**62
100%
[Accurate 4350]*
<<locked>>
81%
28007
43%
**88
93%
Alliant AR-Comp
<<locked>>
81%
47065
72%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37391
58%
**46
98%
Alliant Reloder-15
<<locked>>
81%
40234
62%
**05
98%
[Alliant Reloder-16]*
<<locked>>
81%
29196
45%
**95
92%
Alliant Reloder-17
<<locked>>
81%
32430
50%
**20
97%
[Alliant Reloder-19]*
<<locked>>
93%
37275
57%
**72
90%
[Alliant Reloder-23]*
<<locked>>
85%
23366
36%
**47
90%
[Alliant Reloder-26]*
<<locked>>
89%
28282
44%
**44
90%
Baschieri & Pellagri 107
<<locked>>
81%
43830
67%
**70
98%
Bofors RP3
<<locked>>
81%
37072
57%
**56
99%
[Bofors RP7]*
<<locked>>
81%
33808
52%
**24
91%
Hodgdon BL-C2
<<locked>>
81%
46282
71%
**20
100%
Hodgdon Benchmark
<<locked>>
81%
48921
75%
**67
100%
Hodgdon CFE223
<<locked>>
81%
38624
59%
**11
97%
Hodgdon H322
<<locked>>
81%
49734
77%
**03
100%
Hodgdon H380
<<locked>>
81%
37840
58%
**52
96%
[Hodgdon H414]*
<<locked>>
81%
33489
52%
**97
91%
[Hodgdon H4350]*
<<locked>>
86%
33605
52%
**44
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26731
41%
**13
94%
[Hodgdon LVR]*
<<locked>>
81%
31618
49%
**44
93%
[Hodgdon Superperformance]*
<<locked>>
84%
33997
52%
**16
90%
Hodgdon VARGET
<<locked>>
81%
37855
58%
**26
97%
IMR 3031
<<locked>>
81%
41017
63%
**15
100%
IMR 4064
<<locked>>
81%
37362
57%
**06
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37492
58%
**77
93%
IMR 4198
<<locked>>
81%
54897
84%
**84
100%
[IMR 4350]*
<<locked>>
84%
33098
51%
**31
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35331
54%
**60
92%
[IMR 4831]*
<<locked>>
81%
25295
39%
**83
91%
IMR 4895
<<locked>>
81%
41278
63%
**31
99%
IMR 8208 XBR
<<locked>>
81%
46920
72%
**74
100%
Lovex D073.5
<<locked>>
81%
53185
82%
**56
100%
Lovex D073.6
<<locked>>
81%
43482
67%
**44
100%
Lovex S060
<<locked>>
81%
44976
69%
**08
99%
Lovex S062
<<locked>>
81%
39871
61%
**65
99%
[Lovex S065]*
<<locked>>
81%
32735
50%
**15
93%
[Lovex S070]*
<<locked>>
81%
30806
47%
**82
90%
Norma 201
<<locked>>
81%
43990
68%
**25
100%
Norma 202
<<locked>>
81%
44019
68%
**31
100%
Norma 203B
<<locked>>
81%
39755
61%
**95
98%
[Norma 204]*
<<locked>>
89%
37594
58%
**56
90%
[Norma MRP]*
<<locked>>
94%
33924
52%
**62
90%
[Norma URP]*
<<locked>>
81%
28848
44%
**88
93%
Ramshot Big Game
<<locked>>
81%
39218
60%
**08
98%
[Ramshot Hunter]*
<<locked>>
82%
29718
46%
**08
90%
Ramshot TAC
<<locked>>
81%
46876
72%
**84
98%
Ramshot Wild Boar
<<locked>>
81%
46064
71%
**00
99%
Ramshot X-Terminator
<<locked>>
81%
50575
78%
**20
100%
ReloadSwiss RS 40
<<locked>>
81%
52707
81%
**49
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38493
59%
**43
94%
ReloadSwiss RS 52
<<locked>>
81%
42134
65%
**00
98%
ReloadSwiss RS 60
<<locked>>
81%
34519
53%
**85
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
28195
43%
**98
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28993
45%
**98
90%
Rottweil R 901
<<locked>>
81%
47805
74%
**57
100%
Rottweil R 902
<<locked>>
81%
41814
64%
**82
99%
Rottweil R 903
<<locked>>
81%
34853
54%
**00
98%
[Rottweil R 905]*
<<locked>>
94%
36158
56%
**59
90%
[Rottweil R 907]*
<<locked>>
81%
33808
52%
**24
91%
SNPE Vectan SP 11
<<locked>>
81%
35824
55%
**49
97%
SNPE Vectan SP 7
<<locked>>
81%
45208
70%
**57
98%
SNPE Vectan SP 9
<<locked>>
81%
43062
66%
**38
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45194
70%
**75
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37333
57%
**51
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31575
49%
**59
91%
[Shooters World Long Rifle]*
<<locked>>
81%
32735
50%
**15
93%
Shooters World Match Rifle
<<locked>>
81%
43482
67%
**44
100%
Shooters World Precision
<<locked>>
81%
39871
61%
**65
99%
Somchem S321
<<locked>>
81%
50821
78%
**52
100%
Somchem S335
<<locked>>
81%
45020
69%
**85
100%
Somchem S341
<<locked>>
81%
44759
69%
**57
99%
Somchem S355
<<locked>>
81%
35882
55%
**10
98%
Somchem S365
<<locked>>
81%
25846
40%
**42
95%
[Somchem S385]*
<<locked>>
91%
33214
51%
**80
90%
Vihtavuori N130
<<locked>>
81%
50372
77%
**28
100%
Vihtavuori N133
<<locked>>
81%
42540
65%
**26
100%
Vihtavuori N135
<<locked>>
81%
34809
54%
**51
100%
Vihtavuori N140
<<locked>>
81%
40988
63%
**62
100%
Vihtavuori N150
<<locked>>
81%
30632
47%
**75
98%
[Vihtavuori N160]*
<<locked>>
81%
31430
48%
**21
94%
Vihtavuori N530
<<locked>>
81%
49530
76%
**23
100%
Vihtavuori N540
<<locked>>
81%
40857
63%
**82
100%
[Vihtavuori N550]*
<<locked>>
81%
31575
49%
**60
94%
[Vihtavuori N555]*
<<locked>>
83%
23714
36%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30284
47%
**78
96%
Winchester 748
<<locked>>
81%
50140
77%
**72
100%
[Winchester 760]*
<<locked>>
81%
33489
52%
**97
91%
[Winchester StaBALL HD]*
<<locked>>
91%
24787
38%
**39
90%
Winchester StaBALL Match
<<locked>>
81%
53200
82%
**15
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

bottom of page