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Load data for .338 Weatherby RPM + .338 | 300gr | Lapua Scenar

Recommended Powder(s): Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760

.338 Weatherby RPM + .338 | 300gr | Lapua Scenar

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Lapua Scenar
Manufacturer SKU:
4PL8013 | GB528
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.740" | 44.2mm
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
3.329" | 84.6mm
Seated Depth:
0.961" | 24.4mm
Shank Seated Depth:
0.717" | 18.2mm
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_B3204_C455
Last updated:
2025-12-16
Recommended Twist Rate:
1:11 - 1:9

Load data for 216 loads in caliber .338 Weatherby RPM with .338 | 300gr | Lapua Scenar bullet and 108 powders such as Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760. 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>>
87%
58117
89%
**51
100%
ADI AR 2208
<<locked>>
92%
57551
89%
**34
100%
ADI AR 2209
<<locked>>
97%
46775
72%
**78
97%
[ADI AR 2213]*
<<locked>>
97%
41394
64%
**13
93%
Accurate 2200
<<locked>>
85%
57522
88%
**18
100%
Accurate 2495
<<locked>>
85%
58349
90%
**95
100%
Accurate 2520
<<locked>>
85%
58465
90%
**31
100%
Accurate 2700
<<locked>>
93%
58102
89%
**11
99%
Accurate 3100
<<locked>>
96%
38595
59%
**54
98%
Accurate 4064
<<locked>>
91%
58320
90%
**24
100%
Accurate 4350
<<locked>>
96%
53954
83%
**64
100%
Alliant AR-Comp
<<locked>>
84%
58102
89%
**65
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57798
89%
**51
100%
Alliant Reloder-15
<<locked>>
89%
57667
89%
**67
100%
Alliant Reloder-16
<<locked>>
97%
52388
81%
**74
100%
Alliant Reloder-17
<<locked>>
95%
57624
89%
**52
100%
Alliant Reloder-19
<<locked>>
96%
45092
69%
**62
97%
Alliant Reloder-22
<<locked>>
97%
39798
61%
**19
95%
Alliant Reloder-23
<<locked>>
97%
37768
58%
**93
100%
Alliant Reloder-25
<<locked>>
97%
33272
51%
**14
96%
Alliant Reloder-26
<<locked>>
97%
41539
64%
**18
99%
Baschieri & Pellagri 107
<<locked>>
87%
58044
89%
**74
100%
[Bofors RP15]*
<<locked>>
97%
36521
56%
**60
94%
Bofors RP3
<<locked>>
91%
57928
89%
**64
100%
Bofors RP5
<<locked>>
97%
39798
61%
**19
95%
Bofors RP7
<<locked>>
95%
58073
89%
**51
99%
Hodgdon BL-C2
<<locked>>
85%
57551
89%
**60
100%
Hodgdon Benchmark
<<locked>>
84%
58073
89%
**78
100%
Hodgdon CFE223
<<locked>>
90%
58392
90%
**13
100%
Hodgdon H322
<<locked>>
83%
58407
90%
**92
100%
Hodgdon H380
<<locked>>
91%
57421
88%
**64
100%
Hodgdon H414 👍
<<locked>>
94%
57653
89%
**23
100%
Hodgdon H4350
<<locked>>
97%
50807
78%
**85
98%
[Hodgdon H4831]*
<<locked>>
97%
38740
60%
**31
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
43366
67%
**10
93%
Hodgdon Hybrid 100V
<<locked>>
97%
48979
75%
**78
100%
Hodgdon LVR 👍
<<locked>>
96%
57580
89%
**03
100%
Hodgdon Superperformance
<<locked>>
97%
58131
89%
**59
100%
Hodgdon VARGET
<<locked>>
92%
58073
89%
**41
100%
IMR 3031
<<locked>>
89%
57754
89%
**18
100%
IMR 4064
<<locked>>
93%
58218
90%
**34
100%
IMR 4166 Enduron
<<locked>>
93%
57696
89%
**21
100%
IMR 4350
<<locked>>
97%
53780
83%
**24
99%
IMR 4451 Enduron
<<locked>>
94%
57624
89%
**47
99%
IMR 4831
<<locked>>
97%
46470
71%
**62
100%
IMR 4895
<<locked>>
89%
58117
89%
**77
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43613
67%
**80
94%
[IMR 7828 SSC]*
<<locked>>
97%
41872
64%
**36
94%
IMR 8208 XBR
<<locked>>
85%
57609
89%
**08
100%
Lovex D073.6
<<locked>>
86%
57870
89%
**24
100%
Lovex S060
<<locked>>
87%
57696
89%
**88
100%
Lovex S062
<<locked>>
90%
57856
89%
**21
100%
Lovex S065
<<locked>>
97%
58276
90%
**57
100%
Lovex S070
<<locked>>
97%
55303
85%
**44
99%
Lovex S071
<<locked>>
97%
32822
50%
**49
96%
Norma 201
<<locked>>
87%
58407
90%
**18
100%
Norma 202
<<locked>>
87%
57406
88%
**98
100%
Norma 203B
<<locked>>
90%
57725
89%
**64
100%
Norma 204
<<locked>>
97%
54128
83%
**64
98%
Norma MRP
<<locked>>
97%
41597
64%
**82
97%
Norma URP
<<locked>>
97%
53403
82%
**60
100%
Ramshot Big Game
<<locked>>
90%
58247
90%
**87
100%
Ramshot Grand
<<locked>>
97%
44222
68%
**85
95%
Ramshot Hunter
<<locked>>
97%
52504
81%
**70
100%
Ramshot Magnum
<<locked>>
97%
37797
58%
**67
95%
Ramshot TAC
<<locked>>
85%
58262
90%
**47
100%
Ramshot Wild Boar
<<locked>>
85%
58102
89%
**57
100%
ReloadSwiss RS 50
<<locked>>
91%
58494
90%
**64
100%
ReloadSwiss RS 52
<<locked>>
87%
58349
90%
**20
100%
ReloadSwiss RS 60
<<locked>>
94%
58233
90%
**52
100%
ReloadSwiss RS 62
<<locked>>
97%
54099
83%
**93
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
52823
81%
**10
100%
Rottweil R 901
<<locked>>
84%
57580
89%
**75
100%
Rottweil R 902
<<locked>>
89%
58160
89%
**08
100%
Rottweil R 903
<<locked>>
93%
57841
89%
**54
100%
Rottweil R 904
<<locked>>
97%
48022
74%
**56
96%
Rottweil R 905
<<locked>>
97%
44005
68%
**52
97%
Rottweil R 907
<<locked>>
95%
58073
89%
**51
99%
SNPE Vectan SP 11
<<locked>>
93%
58189
90%
**90
100%
SNPE Vectan SP 7
<<locked>>
86%
57798
89%
**38
100%
SNPE Vectan SP 9
<<locked>>
87%
57856
89%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57783
89%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57725
89%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57870
89%
**11
99%
Shooters World Long Rifle
<<locked>>
97%
58276
90%
**57
100%
Shooters World Match Rifle
<<locked>>
86%
57870
89%
**24
100%
Shooters World Precision
<<locked>>
90%
57856
89%
**21
100%
Somchem S335
<<locked>>
87%
58044
89%
**49
100%
Somchem S341
<<locked>>
86%
58189
90%
**38
100%
Somchem S355
<<locked>>
94%
58175
89%
**51
100%
Somchem S361
<<locked>>
97%
48921
75%
**46
95%
Somchem S365
<<locked>>
97%
48602
75%
**28
100%
Somchem S385
<<locked>>
97%
44817
69%
**42
97%
Vihtavuori N130
<<locked>>
83%
58421
90%
**10
100%
Vihtavuori N133
<<locked>>
89%
58479
90%
**26
100%
Vihtavuori N135
<<locked>>
95%
58392
90%
**75
100%
Vihtavuori N140
<<locked>>
89%
57595
89%
**78
100%
Vihtavuori N150
<<locked>>
97%
54549
84%
**82
100%
Vihtavuori N160
<<locked>>
96%
57537
89%
**67
100%
Vihtavuori N165
<<locked>>
97%
37289
57%
**11
95%
Vihtavuori N530
<<locked>>
83%
58233
90%
**24
100%
Vihtavuori N540
<<locked>>
89%
57870
89%
**15
100%
Vihtavuori N550 👍
<<locked>>
96%
57609
89%
**06
100%
Vihtavuori N555
<<locked>>
97%
41046
63%
**42
100%
[Vihtavuori N560]*
<<locked>>
97%
39914
61%
**23
93%
Winchester 6.5 StaBALL
<<locked>>
97%
56057
86%
**41
100%
Winchester 760 👍
<<locked>>
94%
57653
89%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
33489
52%
**06
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48994
75%
**42
100%
ADI AR 2208
<<locked>>
81%
41539
64%
**28
100%
[ADI AR 2209]*
<<locked>>
83%
29791
46%
**67
90%
[ADI AR 2213]*
<<locked>>
91%
34737
53%
**88
90%
Accurate 2200
<<locked>>
81%
51039
79%
**46
100%
Accurate 2495
<<locked>>
81%
51242
79%
**23
100%
Accurate 2520
<<locked>>
81%
51634
79%
**59
100%
Accurate 2700
<<locked>>
81%
40030
62%
**69
96%
[Accurate 3100]*
<<locked>>
81%
23061
35%
**36
91%
Accurate 4064
<<locked>>
81%
43236
67%
**51
100%
Accurate 4350
<<locked>>
81%
31908
49%
**39
97%
Alliant AR-Comp
<<locked>>
81%
51982
80%
**06
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
41394
64%
**47
100%
Alliant Reloder-15
<<locked>>
81%
44440
68%
**96
100%
Alliant Reloder-16
<<locked>>
81%
32213
50%
**49
98%
Alliant Reloder-17
<<locked>>
81%
35781
55%
**47
100%
[Alliant Reloder-19]*
<<locked>>
82%
29109
45%
**57
90%
[Alliant Reloder-22]*
<<locked>>
87%
29283
45%
**03
90%
Alliant Reloder-23
<<locked>>
81%
23453
36%
**65
95%
[Alliant Reloder-25]*
<<locked>>
86%
24497
38%
**88
90%
[Alliant Reloder-26]*
<<locked>>
81%
24337
37%
**27
92%
Baschieri & Pellagri 107
<<locked>>
81%
48066
74%
**56
100%
[Bofors RP15]*
<<locked>>
90%
29878
46%
**16
90%
Bofors RP3
<<locked>>
81%
41249
63%
**54
100%
[Bofors RP5]*
<<locked>>
87%
29283
45%
**03
90%
Bofors RP7
<<locked>>
81%
36999
57%
**52
95%
Hodgdon BL-C2
<<locked>>
81%
51314
79%
**88
100%
Hodgdon Benchmark
<<locked>>
81%
52620
81%
**16
100%
Hodgdon CFE223
<<locked>>
81%
42772
66%
**13
100%
Hodgdon H322
<<locked>>
81%
54273
83%
**49
100%
Hodgdon H380
<<locked>>
81%
41872
64%
**60
99%
Hodgdon H414
<<locked>>
81%
37130
57%
**31
96%
[Hodgdon H4350]*
<<locked>>
81%
31517
48%
**70
93%
[Hodgdon H4831]*
<<locked>>
94%
35563
55%
**72
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
35331
54%
**65
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29501
45%
**67
98%
Hodgdon LVR
<<locked>>
81%
35143
54%
**82
98%
[Hodgdon Superperformance]*
<<locked>>
81%
33431
51%
**78
94%
Hodgdon VARGET
<<locked>>
81%
41249
63%
**21
100%
IMR 3031
<<locked>>
81%
45701
70%
**80
100%
IMR 4064
<<locked>>
81%
41031
63%
**11
100%
IMR 4166 Enduron
<<locked>>
81%
40379
62%
**82
97%
[IMR 4350]*
<<locked>>
81%
32793
50%
**96
94%
IMR 4451 Enduron
<<locked>>
81%
38421
59%
**78
96%
IMR 4831
<<locked>>
81%
28094
43%
**41
96%
IMR 4895
<<locked>>
81%
45629
70%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
88%
33910
52%
**13
90%
[IMR 7828 SSC]*
<<locked>>
90%
34040
52%
**85
90%
IMR 8208 XBR
<<locked>>
81%
51140
79%
**36
100%
Lovex D073.6
<<locked>>
81%
48559
75%
**23
100%
Lovex S060
<<locked>>
81%
48704
75%
**83
100%
Lovex S062
<<locked>>
81%
43801
67%
**54
100%
Lovex S065
<<locked>>
81%
36143
56%
**46
97%
Lovex S070
<<locked>>
81%
34171
53%
**26
95%
[Lovex S071]*
<<locked>>
85%
22220
34%
**09
90%
Norma 201
<<locked>>
81%
48240
74%
**03
100%
Norma 202
<<locked>>
81%
48501
75%
**96
100%
Norma 203B
<<locked>>
81%
43947
68%
**93
100%
[Norma 204]*
<<locked>>
81%
31995
49%
**09
92%
[Norma MRP]*
<<locked>>
83%
26397
41%
**54
90%
Norma URP
<<locked>>
81%
32329
50%
**42
97%
Ramshot Big Game
<<locked>>
81%
43613
67%
**06
100%
[Ramshot Grand]*
<<locked>>
89%
33649
52%
**88
90%
Ramshot Hunter
<<locked>>
81%
31314
48%
**23
95%
[Ramshot Magnum]*
<<locked>>
89%
29037
45%
**83
90%
Ramshot TAC
<<locked>>
81%
50923
78%
**59
100%
Ramshot Wild Boar
<<locked>>
81%
50705
78%
**69
100%
ReloadSwiss RS 50
<<locked>>
81%
42308
65%
**51
98%
ReloadSwiss RS 52
<<locked>>
81%
47239
73%
**85
100%
ReloadSwiss RS 60
<<locked>>
81%
38189
59%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
31502
48%
**55
97%
ReloadSwiss RS 70
<<locked>>
81%
31560
49%
**59
96%
Rottweil R 901
<<locked>>
81%
51982
80%
**13
100%
Rottweil R 902
<<locked>>
81%
45614
70%
**57
100%
Rottweil R 903
<<locked>>
81%
38943
60%
**14
100%
[Rottweil R 904]*
<<locked>>
84%
32242
50%
**86
90%
[Rottweil R 905]*
<<locked>>
83%
28268
43%
**50
90%
Rottweil R 907
<<locked>>
81%
36999
57%
**52
95%
SNPE Vectan SP 11
<<locked>>
81%
39711
61%
**54
100%
SNPE Vectan SP 7
<<locked>>
81%
49371
76%
**42
100%
SNPE Vectan SP 9
<<locked>>
81%
47311
73%
**19
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49458
76%
**47
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41249
63%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
35302
54%
**00
95%
Shooters World Long Rifle
<<locked>>
81%
36143
56%
**46
97%
Shooters World Match Rifle
<<locked>>
81%
48559
75%
**23
100%
Shooters World Precision
<<locked>>
81%
43801
67%
**54
100%
Somchem S335
<<locked>>
81%
48979
75%
**51
100%
Somchem S341
<<locked>>
81%
49023
75%
**33
100%
Somchem S355
<<locked>>
81%
39784
61%
**18
100%
[Somchem S361]*
<<locked>>
86%
34824
54%
**23
90%
Somchem S365
<<locked>>
81%
28790
44%
**06
99%
[Somchem S385]*
<<locked>>
81%
26934
41%
**11
91%
Vihtavuori N130
<<locked>>
81%
54621
84%
**70
100%
Vihtavuori N133
<<locked>>
81%
46514
72%
**98
100%
Vihtavuori N135
<<locked>>
81%
38537
59%
**42
100%
Vihtavuori N140
<<locked>>
81%
45165
69%
**41
100%
Vihtavuori N150
<<locked>>
81%
33765
52%
**00
100%
Vihtavuori N160
<<locked>>
81%
34998
54%
**59
98%
[Vihtavuori N165]*
<<locked>>
87%
27963
43%
**18
90%
Vihtavuori N530
<<locked>>
81%
54404
84%
**82
100%
Vihtavuori N540
<<locked>>
81%
44802
69%
**64
100%
Vihtavuori N550
<<locked>>
81%
35302
54%
**95
98%
Vihtavuori N555
<<locked>>
81%
24845
38%
**18
95%
[Vihtavuori N560]*
<<locked>>
92%
34229
53%
**14
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33199
51%
**19
99%
Winchester 760
<<locked>>
81%
37130
57%
**31
96%
[Winchester StaBALL HD]*
<<locked>>
81%
20523
32%
**16
92%

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.

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