top of page

Load data for .338 Weatherby RPM + .338 | 170gr | AERO SUB-I,- smax:17.7

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Shooters World Match Rifle, Winchester 748

.338 Weatherby RPM + .338 | 170gr | AERO SUB-I,- smax:17.7

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 170gr | AERO SUB-I,- smax:17.7
Bullet Weight:
170gr | 11.0g
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_B88_C455
Last updated:
2026-03-10

Load data for 190 loads in caliber .338 Weatherby RPM with .338 | 170gr | AERO SUB-I,- smax:17.7 bullet and 95 powders such as Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Shooters World Match Rifle, Winchester 748. 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>>
96%
58479
90%
**58
99%
ADI AR 2207
<<locked>>
84%
57783
89%
**10
100%
ADI AR 2208
<<locked>>
97%
50256
77%
**00
97%
ADI AR 2219
<<locked>>
87%
57696
89%
**15
100%
ADI Benchmark 8208
<<locked>>
95%
58247
90%
**25
100%
Accurate 2015
<<locked>>
92%
57870
89%
**59
100%
Accurate 2200
<<locked>>
94%
58044
89%
**05
98%
Accurate 2230
<<locked>>
90%
57450
88%
**86
99%
Accurate 2460
<<locked>>
90%
58175
90%
**12
100%
Accurate 2495
<<locked>>
96%
58015
89%
**41
100%
Accurate 2520 👍
<<locked>>
95%
58247
90%
**48
100%
Accurate 4064
<<locked>>
97%
48457
75%
**07
100%
Alliant AR-Comp
<<locked>>
95%
57928
89%
**18
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
55100
85%
**07
98%
Alliant Reloder- TS 15.5
<<locked>>
97%
48196
74%
**04
98%
Alliant Reloder-10x
<<locked>>
90%
58407
90%
**79
100%
Alliant Reloder-15
<<locked>>
97%
53069
82%
**92
98%
[Alliant Reloder-16]*
<<locked>>
97%
37724
58%
**17
92%
Alliant Reloder-17
<<locked>>
97%
42699
66%
**71
96%
Alliant Reloder-7
<<locked>>
84%
57769
89%
**07
100%
Baschieri & Pellagri 106
<<locked>>
88%
58421
90%
**10
100%
Baschieri & Pellagri 107
<<locked>>
96%
57957
89%
**68
98%
Bofors RP3
<<locked>>
97%
48356
74%
**23
98%
Hodgdon BL-C2 👍
<<locked>>
94%
57827
89%
**68
100%
Hodgdon Benchmark
<<locked>>
93%
58305
90%
**79
100%
Hodgdon CFE BLK
<<locked>>
85%
57943
89%
**36
100%
Hodgdon CFE223
<<locked>>
97%
52156
80%
**05
97%
Hodgdon H322
<<locked>>
93%
58117
89%
**25
100%
Hodgdon H335
<<locked>>
87%
57566
89%
**22
100%
Hodgdon H380
<<locked>>
97%
50517
78%
**30
96%
Hodgdon H4198
<<locked>>
86%
57870
89%
**23
100%
Hodgdon H4895
<<locked>>
96%
58117
89%
**61
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33953
52%
**08
93%
[Hodgdon LVR]*
<<locked>>
97%
41089
63%
**82
93%
Hodgdon VARGET
<<locked>>
97%
49400
76%
**84
97%
Hodgdon TrailBoss
<<locked>>
96%
32126
49%
**68
100%
IMR 3031
<<locked>>
97%
52837
81%
**99
100%
IMR 4064
<<locked>>
97%
48182
74%
**61
97%
[IMR 4166 Enduron]*
<<locked>>
97%
48602
75%
**18
92%
IMR 4198
<<locked>>
89%
58247
90%
**30
100%
[IMR 4451 Enduron]*
<<locked>>
97%
46195
71%
**02
91%
IMR 4895
<<locked>>
97%
54389
84%
**31
99%
IMR 8208 XBR
<<locked>>
95%
58247
90%
**25
100%
Lovex D073.4
<<locked>>
89%
58349
90%
**02
100%
Lovex D073.5
<<locked>>
91%
58450
90%
**12
100%
Lovex D073.6 👍
<<locked>>
97%
57986
89%
**51
100%
Lovex S060
<<locked>>
96%
57870
89%
**69
99%
Lovex S062
<<locked>>
97%
51605
79%
**33
99%
[Lovex S065]*
<<locked>>
97%
41727
64%
**30
92%
Norma 200
<<locked>>
86%
57899
89%
**46
100%
Norma 201
<<locked>>
97%
57217
88%
**09
100%
Norma 202
<<locked>>
97%
57682
89%
**22
100%
Norma 203B
<<locked>>
97%
52011
80%
**82
98%
[Norma URP]*
<<locked>>
97%
36825
57%
**00
92%
Ramshot Big Game
<<locked>>
97%
52112
80%
**95
98%
Ramshot TAC
<<locked>>
94%
58189
90%
**12
97%
Ramshot Wild Boar
<<locked>>
95%
58334
90%
**61
99%
Ramshot X-Terminator
<<locked>>
91%
58175
89%
**92
99%
ReloadSwiss RS 14
<<locked>>
97%
32706
50%
**14
100%
ReloadSwiss RS 40
<<locked>>
90%
57667
89%
**12
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
51358
79%
**04
94%
ReloadSwiss RS 52
<<locked>>
97%
56072
86%
**14
98%
ReloadSwiss RS 60
<<locked>>
97%
45571
70%
**59
99%
Rottweil R 901
<<locked>>
95%
57856
89%
**95
100%
Rottweil R 902
<<locked>>
97%
54331
84%
**53
99%
Rottweil R 903
<<locked>>
97%
44469
68%
**44
97%
SNPE Vectan BA6 1/2
<<locked>>
85%
58363
90%
**57
100%
SNPE Vectan SP 10
<<locked>>
87%
57798
89%
**18
100%
SNPE Vectan SP 11
<<locked>>
97%
47152
73%
**13
97%
SNPE Vectan SP 7
<<locked>>
95%
57609
89%
**12
97%
SNPE Vectan SP 9
<<locked>>
97%
57522
89%
**41
99%
SNPE Vectan Tubal 3000
<<locked>>
95%
57711
89%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
49443
76%
**15
100%
[Shooters World Long Rifle]*
<<locked>>
97%
41727
64%
**30
92%
Shooters World Match Rifle 👍
<<locked>>
97%
57986
89%
**51
100%
Shooters World Precision
<<locked>>
97%
51605
79%
**33
99%
Shooters World Tactical Rifle
<<locked>>
88%
58320
90%
**82
99%
Somchem S321
<<locked>>
91%
57624
89%
**28
100%
Somchem S335
<<locked>>
96%
57754
89%
**46
100%
Somchem S341
<<locked>>
95%
57653
89%
**12
99%
Somchem S355
<<locked>>
97%
45876
71%
**54
97%
[Somchem S365]*
<<locked>>
97%
32895
51%
**44
94%
Vihtavuori N120
<<locked>>
87%
58479
90%
**58
100%
Vihtavuori N130
<<locked>>
92%
58073
89%
**20
100%
Vihtavuori N133
<<locked>>
97%
55317
85%
**94
100%
Vihtavuori N135
<<locked>>
97%
43816
67%
**85
100%
Vihtavuori N140
<<locked>>
97%
53809
83%
**40
100%
Vihtavuori N150
<<locked>>
97%
38841
60%
**87
97%
[Vihtavuori N160]*
<<locked>>
97%
41365
64%
**66
94%
Vihtavuori N530
<<locked>>
93%
58363
90%
**35
100%
Vihtavuori N540
<<locked>>
97%
53896
83%
**69
100%
[Vihtavuori N550]*
<<locked>>
97%
41060
63%
**05
93%
Winchester 6.5 StaBALL
<<locked>>
97%
40814
63%
**13
96%
Winchester 748 👍
<<locked>>
92%
57580
89%
**68
100%
Winchester StaBALL Match
<<locked>>
90%
57638
89%
**48
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
35563
55%
**18
93%
ADI AR 2207
<<locked>>
81%
52025
80%
**31
100%
[ADI AR 2208]*
<<locked>>
82%
30893
48%
**74
90%
ADI AR 2219
<<locked>>
81%
47195
73%
**54
100%
ADI Benchmark 8208
<<locked>>
81%
37681
58%
**48
96%
Accurate 2015
<<locked>>
81%
40321
62%
**80
100%
[Accurate 2200]*
<<locked>>
81%
37826
58%
**31
92%
Accurate 2230
<<locked>>
81%
42192
65%
**30
97%
Accurate 2460
<<locked>>
81%
42148
65%
**46
98%
Accurate 2495
<<locked>>
81%
34214
53%
**25
99%
Accurate 2520
<<locked>>
81%
35636
55%
**54
97%
Accurate 4064
<<locked>>
81%
28761
44%
**84
96%
Alliant AR-Comp
<<locked>>
81%
35737
55%
**64
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
83%
33939
52%
**48
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28732
44%
**67
92%
Alliant Reloder-10x
<<locked>>
81%
44164
68%
**62
100%
[Alliant Reloder-15]*
<<locked>>
81%
31473
48%
**33
91%
[Alliant Reloder-16]*
<<locked>>
94%
34447
53%
**35
90%
[Alliant Reloder-17]*
<<locked>>
87%
30647
47%
**62
90%
Alliant Reloder-7
<<locked>>
81%
52852
81%
**44
100%
Baschieri & Pellagri 106
<<locked>>
81%
46644
72%
**43
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
34577
53%
**08
91%
[Bofors RP3]*
<<locked>>
81%
27862
43%
**57
91%
Hodgdon BL-C2
<<locked>>
81%
35969
55%
**71
95%
Hodgdon Benchmark
<<locked>>
81%
39813
61%
**54
97%
Hodgdon CFE BLK
<<locked>>
81%
51474
79%
**41
99%
[Hodgdon CFE223]*
<<locked>>
84%
33344
51%
**02
90%
Hodgdon H322
<<locked>>
81%
39769
61%
**13
99%
Hodgdon H335
<<locked>>
81%
46485
72%
**41
100%
[Hodgdon H380]*
<<locked>>
85%
34156
53%
**92
90%
Hodgdon H4198
<<locked>>
81%
49763
77%
**99
100%
[Hodgdon H4895]*
<<locked>>
81%
35737
55%
**35
94%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
29617
46%
**87
90%
[Hodgdon LVR]*
<<locked>>
93%
35911
55%
**67
90%
[Hodgdon VARGET]*
<<locked>>
82%
30893
48%
**74
90%
Hodgdon TrailBoss
<<locked>>
81%
25411
39%
**17
100%
IMR 3031
<<locked>>
81%
31299
48%
**75
98%
[IMR 4064]*
<<locked>>
82%
30298
47%
**64
90%
[IMR 4166 Enduron]*
<<locked>>
92%
41945
65%
**84
90%
IMR 4198
<<locked>>
81%
45266
70%
**36
100%
[IMR 4451 Enduron]*
<<locked>>
94%
42380
65%
**20
90%
[IMR 4895]*
<<locked>>
81%
32213
50%
**66
92%
IMR 8208 XBR
<<locked>>
81%
37681
58%
**48
96%
Lovex D073.4
<<locked>>
81%
44077
68%
**72
98%
Lovex D073.5
<<locked>>
81%
41640
64%
**30
98%
Lovex D073.6
<<locked>>
81%
33214
51%
**92
96%
[Lovex S060]*
<<locked>>
81%
36695
56%
**75
94%
[Lovex S062]*
<<locked>>
81%
30908
48%
**93
93%
[Lovex S065]*
<<locked>>
93%
36854
57%
**28
90%
Norma 200
<<locked>>
81%
49719
76%
**31
100%
Norma 201
<<locked>>
81%
34621
53%
**82
95%
Norma 202
<<locked>>
81%
34563
53%
**95
98%
[Norma 203B]*
<<locked>>
81%
30763
47%
**26
91%
[Norma URP]*
<<locked>>
94%
33533
52%
**18
90%
[Ramshot Big Game]*
<<locked>>
81%
30516
47%
**20
90%
[Ramshot TAC]*
<<locked>>
81%
37739
58%
**31
91%
[Ramshot Wild Boar]*
<<locked>>
81%
36550
56%
**51
94%
Ramshot X-Terminator
<<locked>>
81%
41002
63%
**00
95%
ReloadSwiss RS 14
<<locked>>
81%
25440
39%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
42554
65%
**49
98%
[ReloadSwiss RS 50]*
<<locked>>
89%
39668
61%
**80
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
32213
50%
**12
91%
[ReloadSwiss RS 60]*
<<locked>>
81%
27064
42%
**51
91%
Rottweil R 901
<<locked>>
81%
37985
58%
**44
98%
[Rottweil R 902]*
<<locked>>
81%
32895
51%
**26
94%
[Rottweil R 903]*
<<locked>>
82%
26977
42%
**21
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
51837
80%
**72
100%
SNPE Vectan SP 10
<<locked>>
81%
47776
73%
**67
100%
[SNPE Vectan SP 11]*
<<locked>>
83%
30052
46%
**10
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
35259
54%
**85
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
34142
53%
**85
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
36767
57%
**69
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
29834
46%
**15
97%
[Shooters World Long Rifle]*
<<locked>>
93%
36854
57%
**28
90%
Shooters World Match Rifle
<<locked>>
81%
33214
51%
**92
96%
[Shooters World Precision]*
<<locked>>
81%
30908
48%
**93
93%
Shooters World Tactical Rifle
<<locked>>
81%
44831
69%
**62
97%
Somchem S321
<<locked>>
81%
40089
62%
**23
97%
Somchem S335
<<locked>>
81%
35926
55%
**69
99%
[Somchem S341]*
<<locked>>
81%
35012
54%
**95
93%
[Somchem S355]*
<<locked>>
81%
27485
42%
**21
90%
[Somchem S365]*
<<locked>>
91%
27021
42%
**61
90%
Vihtavuori N120
<<locked>>
81%
48646
75%
**26
100%
Vihtavuori N130
<<locked>>
81%
40886
63%
**54
100%
Vihtavuori N133
<<locked>>
81%
34171
53%
**30
99%
Vihtavuori N135
<<locked>>
81%
26281
40%
**88
97%
Vihtavuori N140
<<locked>>
81%
32314
50%
**30
97%
[Vihtavuori N150]*
<<locked>>
82%
24366
37%
**06
90%
[Vihtavuori N160]*
<<locked>>
91%
33953
52%
**92
90%
Vihtavuori N530
<<locked>>
81%
39537
61%
**07
97%
Vihtavuori N540
<<locked>>
81%
32111
49%
**43
97%
[Vihtavuori N550]*
<<locked>>
91%
33750
52%
**28
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
29660
46%
**34
90%
Winchester 748
<<locked>>
81%
39059
60%
**40
97%
Winchester StaBALL Match
<<locked>>
81%
41800
64%
**82
96%

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