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Load data for .338 Weatherby RPM + .338 | 275gr | AlaskaBulletWorks Kodiak SP SPBC

Recommended Powder(s):

.338 Weatherby RPM + .338 | 275gr | AlaskaBulletWorks Kodiak SP SPBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | AlaskaBulletWorks Kodiak SP SPBC
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
81.6 Grains of Water | 5.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B311_C455
Last updated:
2026-02-01

Load data for 214 loads in caliber .338 Weatherby RPM with .338 | 275gr | AlaskaBulletWorks Kodiak SP SPBC bullet and 107 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>>
86%
58015
89%
**92
100%
ADI AR 2208
<<locked>>
91%
58001
89%
**82
100%
ADI AR 2209
<<locked>>
97%
47282
73%
**20
96%
[ADI AR 2213]*
<<locked>>
97%
42482
65%
**57
93%
Accurate 2200
<<locked>>
84%
57783
89%
**65
100%
Accurate 2495
<<locked>>
84%
58189
90%
**36
100%
Accurate 2520
<<locked>>
84%
57899
89%
**69
100%
Accurate 2700
<<locked>>
92%
57653
89%
**49
99%
Accurate 3100
<<locked>>
97%
40306
62%
**01
98%
Accurate 4064
<<locked>>
90%
58349
90%
**65
100%
Accurate 4350
<<locked>>
97%
56101
86%
**34
100%
Alliant AR-Comp
<<locked>>
84%
57812
89%
**10
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
58479
90%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57798
89%
**98
100%
Alliant Reloder-15
<<locked>>
89%
57943
89%
**11
100%
Alliant Reloder-16
<<locked>>
97%
53751
83%
**34
100%
Alliant Reloder-17
<<locked>>
94%
57348
88%
**93
100%
Alliant Reloder-19
<<locked>>
97%
46775
72%
**20
97%
Alliant Reloder-22
<<locked>>
97%
40640
63%
**64
95%
Alliant Reloder-23
<<locked>>
97%
38406
59%
**31
100%
Alliant Reloder-25
<<locked>>
97%
33779
52%
**42
96%
Alliant Reloder-26
<<locked>>
97%
42728
66%
**69
99%
Baschieri & Pellagri 107
<<locked>>
86%
58146
89%
**18
100%
[Bofors RP15]*
<<locked>>
97%
37434
58%
**01
94%
Bofors RP3
<<locked>>
91%
58378
90%
**08
100%
Bofors RP5
<<locked>>
97%
40640
63%
**64
95%
Bofors RP7
<<locked>>
95%
58421
90%
**98
99%
Hodgdon BL-C2
<<locked>>
84%
58175
90%
**05
100%
Hodgdon Benchmark
<<locked>>
84%
58059
89%
**23
100%
Hodgdon CFE223
<<locked>>
89%
58450
90%
**54
100%
Hodgdon H380
<<locked>>
90%
57754
89%
**05
100%
Hodgdon H414 👍
<<locked>>
94%
58349
90%
**70
100%
Hodgdon H4350
<<locked>>
97%
51692
80%
**36
98%
[Hodgdon H4831]*
<<locked>>
97%
39378
61%
**65
91%
[Hodgdon H4831 SC]*
<<locked>>
97%
44498
68%
**54
93%
Hodgdon H4895
<<locked>>
85%
57667
89%
**85
100%
Hodgdon Hybrid 100V
<<locked>>
97%
49603
76%
**23
100%
Hodgdon LVR
<<locked>>
96%
57986
89%
**48
100%
Hodgdon Superperformance
<<locked>>
96%
57566
89%
**97
99%
Hodgdon VARGET
<<locked>>
92%
58320
90%
**88
100%
IMR 3031
<<locked>>
88%
58363
90%
**69
100%
IMR 4064
<<locked>>
92%
58059
89%
**72
100%
IMR 4166 Enduron
<<locked>>
93%
58102
89%
**69
99%
IMR 4350
<<locked>>
97%
54549
84%
**75
99%
IMR 4451 Enduron
<<locked>>
94%
57812
89%
**92
99%
IMR 4831
<<locked>>
97%
47065
72%
**03
100%
IMR 4895
<<locked>>
88%
57580
89%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44092
68%
**18
94%
[IMR 7828 SSC]*
<<locked>>
97%
42728
66%
**77
93%
IMR 8208 XBR
<<locked>>
84%
57711
89%
**56
100%
Lovex D073.6
<<locked>>
86%
57899
89%
**69
100%
Lovex S060
<<locked>>
86%
57841
89%
**33
100%
Lovex S062
<<locked>>
90%
58305
90%
**69
100%
Lovex S065
<<locked>>
96%
58262
90%
**98
100%
Lovex S070
<<locked>>
97%
56376
87%
**98
99%
Lovex S071
<<locked>>
97%
33779
52%
**90
96%
Norma 201
<<locked>>
87%
57798
89%
**56
100%
Norma 202
<<locked>>
87%
58407
90%
**49
100%
Norma 203B
<<locked>>
89%
58233
90%
**08
100%
Norma 204
<<locked>>
97%
54607
84%
**11
98%
Norma MRP
<<locked>>
97%
42511
65%
**26
97%
Norma URP
<<locked>>
97%
54752
84%
**18
100%
Ramshot Big Game
<<locked>>
89%
58189
90%
**34
100%
Ramshot Grand
<<locked>>
97%
45339
70%
**29
95%
Ramshot Hunter
<<locked>>
97%
53040
82%
**15
100%
Ramshot Magnum
<<locked>>
97%
38725
60%
**01
95%
Ramshot TAC
<<locked>>
84%
57696
89%
**85
100%
Ramshot Wild Boar
<<locked>>
84%
57725
89%
**95
100%
ReloadSwiss RS 50
<<locked>>
90%
57769
89%
**95
100%
ReloadSwiss RS 52
<<locked>>
86%
57696
89%
**57
100%
ReloadSwiss RS 60
<<locked>>
93%
58334
90%
**97
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
55564
85%
**51
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
54418
84%
**74
100%
Rottweil R 901
<<locked>>
84%
58117
89%
**23
100%
Rottweil R 902
<<locked>>
88%
58001
89%
**52
100%
Rottweil R 903
<<locked>>
93%
57769
89%
**98
100%
Rottweil R 904
<<locked>>
97%
49197
76%
**03
96%
Rottweil R 905
<<locked>>
97%
45107
69%
**00
96%
Rottweil R 907
<<locked>>
95%
58421
90%
**98
99%
SNPE Vectan SP 11
<<locked>>
92%
58421
90%
**38
100%
SNPE Vectan SP 7
<<locked>>
85%
58117
89%
**88
100%
SNPE Vectan SP 9
<<locked>>
87%
57943
89%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57943
89%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
58001
89%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57740
89%
**52
99%
Shooters World Long Rifle
<<locked>>
96%
58262
90%
**98
100%
Shooters World Match Rifle
<<locked>>
86%
57899
89%
**69
100%
Shooters World Precision
<<locked>>
90%
58305
90%
**69
100%
Somchem S335
<<locked>>
86%
57609
89%
**83
100%
Somchem S341
<<locked>>
86%
58392
90%
**79
100%
Somchem S355
<<locked>>
93%
57798
89%
**88
100%
Somchem S361
<<locked>>
97%
50183
77%
**97
95%
Somchem S365
<<locked>>
97%
49530
76%
**75
100%
Somchem S385
<<locked>>
97%
46122
71%
**87
97%
Vihtavuori N133
<<locked>>
88%
58218
90%
**64
100%
Vihtavuori N135
<<locked>>
94%
58247
90%
**16
100%
Vihtavuori N140
<<locked>>
89%
58349
90%
**29
100%
Vihtavuori N150
<<locked>>
97%
56144
86%
**36
100%
Vihtavuori N160
<<locked>>
96%
58247
90%
**21
100%
Vihtavuori N165
<<locked>>
97%
38218
59%
**49
95%
Vihtavuori N540
<<locked>>
89%
58407
90%
**59
100%
Vihtavuori N550 👍
<<locked>>
96%
57943
89%
**57
100%
Vihtavuori N555
<<locked>>
97%
42453
65%
**90
100%
[Vihtavuori N560]*
<<locked>>
97%
40727
63%
**67
92%
Winchester 6.5 StaBALL
<<locked>>
97%
57377
88%
**95
100%
Winchester 760 👍
<<locked>>
94%
58349
90%
**70
100%
Winchester StaBALL HD
<<locked>>
97%
34055
52%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49676
76%
**87
100%
ADI AR 2208
<<locked>>
81%
42424
65%
**69
100%
[ADI AR 2209]*
<<locked>>
84%
31357
48%
**14
90%
[ADI AR 2213]*
<<locked>>
91%
35607
55%
**26
90%
Accurate 2200
<<locked>>
81%
51924
80%
**90
100%
Accurate 2495
<<locked>>
81%
51895
80%
**64
100%
Accurate 2520
<<locked>>
81%
52750
81%
**10
100%
Accurate 2700
<<locked>>
81%
40321
62%
**00
96%
[Accurate 3100]*
<<locked>>
81%
23496
36%
**47
90%
Accurate 4064
<<locked>>
81%
43816
67%
**88
100%
Accurate 4350
<<locked>>
81%
32503
50%
**64
97%
Alliant AR-Comp
<<locked>>
81%
53258
82%
**60
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
45890
71%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42177
65%
**85
100%
Alliant Reloder-15
<<locked>>
81%
45252
70%
**41
100%
Alliant Reloder-16
<<locked>>
81%
32822
50%
**80
97%
Alliant Reloder-17
<<locked>>
81%
36550
56%
**85
100%
[Alliant Reloder-19]*
<<locked>>
83%
30719
47%
**08
90%
[Alliant Reloder-22]*
<<locked>>
87%
30371
47%
**41
90%
[Alliant Reloder-23]*
<<locked>>
81%
23757
37%
**77
94%
[Alliant Reloder-25]*
<<locked>>
87%
25019
38%
**06
90%
[Alliant Reloder-26]*
<<locked>>
81%
24976
38%
**52
92%
Baschieri & Pellagri 107
<<locked>>
81%
49110
76%
**00
100%
[Bofors RP15]*
<<locked>>
90%
30632
47%
**47
90%
Bofors RP3
<<locked>>
81%
42192
65%
**98
100%
[Bofors RP5]*
<<locked>>
87%
30371
47%
**41
90%
Bofors RP7
<<locked>>
81%
37681
58%
**83
95%
Hodgdon BL-C2
<<locked>>
81%
52199
80%
**36
100%
Hodgdon Benchmark
<<locked>>
81%
53679
83%
**67
100%
Hodgdon CFE223
<<locked>>
81%
43859
67%
**60
99%
Hodgdon H380
<<locked>>
81%
42612
66%
**98
99%
Hodgdon H414
<<locked>>
81%
37942
58%
**69
96%
[Hodgdon H4350]*
<<locked>>
81%
31807
49%
**91
93%
[Hodgdon H4831]*
<<locked>>
94%
36477
56%
**06
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
36680
56%
**16
90%
Hodgdon H4895
<<locked>>
81%
50154
77%
**97
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30284
47%
**95
98%
Hodgdon LVR
<<locked>>
81%
35607
55%
**13
97%
[Hodgdon Superperformance]*
<<locked>>
81%
34113
52%
**13
94%
Hodgdon VARGET
<<locked>>
81%
42163
65%
**65
99%
IMR 3031
<<locked>>
81%
46180
71%
**24
100%
IMR 4064
<<locked>>
81%
41495
64%
**46
100%
IMR 4166 Enduron
<<locked>>
81%
41365
64%
**26
97%
[IMR 4350]*
<<locked>>
81%
33576
52%
**28
94%
IMR 4451 Enduron
<<locked>>
81%
39349
61%
**16
96%
IMR 4831
<<locked>>
81%
28935
45%
**75
96%
IMR 4895
<<locked>>
81%
46311
71%
**67
100%
[IMR 4955 Enduron]*
<<locked>>
89%
35012
54%
**51
90%
[IMR 7828 SSC]*
<<locked>>
91%
35404
54%
**29
90%
IMR 8208 XBR
<<locked>>
81%
51808
80%
**87
100%
Lovex D073.6
<<locked>>
81%
49255
76%
**64
100%
Lovex S060
<<locked>>
81%
49574
76%
**31
100%
Lovex S062
<<locked>>
81%
44715
69%
**95
100%
Lovex S065
<<locked>>
81%
36477
56%
**70
97%
Lovex S070
<<locked>>
81%
34722
53%
**57
95%
[Lovex S071]*
<<locked>>
85%
23380
36%
**41
90%
Norma 201
<<locked>>
81%
48646
75%
**41
100%
Norma 202
<<locked>>
81%
49327
76%
**41
100%
Norma 203B
<<locked>>
81%
44483
68%
**31
100%
[Norma 204]*
<<locked>>
81%
32750
50%
**41
91%
[Norma MRP]*
<<locked>>
83%
27528
42%
**91
90%
Norma URP
<<locked>>
81%
33011
51%
**70
97%
Ramshot Big Game
<<locked>>
81%
44527
69%
**51
100%
[Ramshot Grand]*
<<locked>>
90%
35317
54%
**39
90%
Ramshot Hunter
<<locked>>
81%
32184
50%
**57
95%
[Ramshot Magnum]*
<<locked>>
90%
30385
47%
**24
90%
Ramshot TAC
<<locked>>
81%
51909
80%
**10
100%
Ramshot Wild Boar
<<locked>>
81%
51764
80%
**23
100%
ReloadSwiss RS 50
<<locked>>
81%
42975
66%
**88
98%
ReloadSwiss RS 52
<<locked>>
81%
48254
74%
**36
100%
ReloadSwiss RS 60
<<locked>>
81%
39015
60%
**31
100%
ReloadSwiss RS 62
<<locked>>
81%
32271
50%
**83
97%
ReloadSwiss RS 70
<<locked>>
81%
32314
50%
**90
96%
Rottweil R 901
<<locked>>
81%
52924
81%
**60
100%
Rottweil R 902
<<locked>>
81%
46572
72%
**05
100%
Rottweil R 903
<<locked>>
81%
39610
61%
**49
100%
[Rottweil R 904]*
<<locked>>
85%
33518
52%
**31
90%
[Rottweil R 905]*
<<locked>>
84%
29573
45%
**91
90%
Rottweil R 907
<<locked>>
81%
37681
58%
**83
95%
SNPE Vectan SP 11
<<locked>>
81%
40553
62%
**92
100%
SNPE Vectan SP 7
<<locked>>
81%
50517
78%
**90
100%
SNPE Vectan SP 9
<<locked>>
81%
48182
74%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50125
77%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41945
65%
**83
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
35679
55%
**28
95%
Shooters World Long Rifle
<<locked>>
81%
36477
56%
**70
97%
Shooters World Match Rifle
<<locked>>
81%
49255
76%
**64
100%
Shooters World Precision
<<locked>>
81%
44715
69%
**95
100%
Somchem S335
<<locked>>
81%
49356
76%
**85
100%
Somchem S341
<<locked>>
81%
50096
77%
**83
100%
Somchem S355
<<locked>>
81%
40176
62%
**52
100%
[Somchem S361]*
<<locked>>
86%
35810
55%
**57
90%
Somchem S365
<<locked>>
81%
29588
46%
**34
99%
[Somchem S385]*
<<locked>>
81%
27601
42%
**32
90%
Vihtavuori N133
<<locked>>
81%
47210
73%
**36
100%
Vihtavuori N135
<<locked>>
81%
39392
61%
**80
100%
Vihtavuori N140
<<locked>>
81%
45992
71%
**78
100%
Vihtavuori N150
<<locked>>
81%
34476
53%
**28
100%
Vihtavuori N160
<<locked>>
81%
35679
55%
**90
98%
[Vihtavuori N165]*
<<locked>>
88%
28834
44%
**46
90%
Vihtavuori N540
<<locked>>
81%
45571
70%
**01
100%
Vihtavuori N550
<<locked>>
81%
35998
55%
**26
98%
Vihtavuori N555
<<locked>>
81%
25440
39%
**39
95%
[Vihtavuori N560]*
<<locked>>
93%
36085
56%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33837
52%
**51
99%
Winchester 760
<<locked>>
81%
37942
58%
**69
96%
[Winchester StaBALL HD]*
<<locked>>
81%
20943
32%
**27
91%

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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