top of page

Load data for .338 Weatherby RPM + .338 | 225gr | CutEdge MTH

Recommended Powder(s):

.338 Weatherby RPM + .338 | 225gr | CutEdge MTH

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | CutEdge MTH
Manufacturer SKU:
MTH 338 225
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.638" | 41.6mm
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
3.329" | 84.6mm
Seated Depth:
0.859" | 21.8mm
Shank Seated Depth:
0.606" | 15.4mm
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_B8513_C455
Last updated:
2026-01-22
Recommended Twist Rate:
1:11 - 1:9

Load data for 208 loads in caliber .338 Weatherby RPM with .338 | 225gr | CutEdge MTH bullet and 104 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.

    .

    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>>
93%
58305
90%
**28
100%
ADI AR 2208
<<locked>>
97%
55143
85%
**72
99%
ADI AR 2219
<<locked>>
84%
57566
89%
**75
100%
Accurate 2015
<<locked>>
89%
57783
89%
**23
100%
Accurate 2200
<<locked>>
91%
57450
88%
**82
99%
Accurate 2230
<<locked>>
87%
57899
89%
**79
100%
Accurate 2460
<<locked>>
87%
58479
90%
**85
100%
Accurate 2495
<<locked>>
93%
58436
90%
**02
100%
Accurate 2520
<<locked>>
92%
57856
89%
**15
100%
Accurate 2700
<<locked>>
97%
53853
83%
**93
95%
Accurate 4064
<<locked>>
97%
54549
84%
**79
100%
Accurate 4350
<<locked>>
97%
40176
62%
**28
97%
Alliant AR-Comp
<<locked>>
92%
57841
89%
**66
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
95%
58073
89%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53795
83%
**82
100%
Alliant Reloder-10x
<<locked>>
87%
57682
89%
**26
100%
Alliant Reloder-15
<<locked>>
97%
57812
89%
**41
100%
Alliant Reloder-16
<<locked>>
97%
41539
64%
**51
97%
Alliant Reloder-17
<<locked>>
97%
47166
73%
**79
99%
[Alliant Reloder-23]*
<<locked>>
97%
28964
45%
**88
93%
Baschieri & Pellagri 106
<<locked>>
85%
57551
89%
**80
100%
Baschieri & Pellagri 107 👍
<<locked>>
93%
58465
90%
**54
100%
Bofors RP3
<<locked>>
97%
54056
83%
**98
100%
Bofors RP7
<<locked>>
97%
48341
74%
**61
95%
Hodgdon BL-C2
<<locked>>
92%
58117
89%
**48
100%
Hodgdon Benchmark
<<locked>>
90%
57783
89%
**52
100%
Hodgdon CFE223
<<locked>>
97%
57305
88%
**71
99%
Hodgdon H322
<<locked>>
89%
57566
89%
**75
100%
Hodgdon H335
<<locked>>
85%
58276
90%
**98
100%
Hodgdon H380
<<locked>>
97%
55201
85%
**05
99%
Hodgdon H414
<<locked>>
97%
48588
75%
**59
96%
Hodgdon H4198
<<locked>>
83%
57450
88%
**84
100%
[Hodgdon H4350]*
<<locked>>
97%
40292
62%
**49
92%
Hodgdon Hybrid 100V
<<locked>>
96%
37420
58%
**39
97%
Hodgdon LVR
<<locked>>
97%
44933
69%
**87
97%
[Hodgdon Superperformance]*
<<locked>>
97%
45484
70%
**10
94%
Hodgdon VARGET
<<locked>>
96%
53780
83%
**56
99%
IMR 3031
<<locked>>
96%
58044
89%
**21
100%
IMR 4064
<<locked>>
97%
53359
82%
**36
99%
IMR 4166 Enduron
<<locked>>
97%
53069
82%
**07
96%
IMR 4198
<<locked>>
86%
58001
89%
**84
100%
[IMR 4350]*
<<locked>>
97%
42322
65%
**82
93%
IMR 4451 Enduron
<<locked>>
97%
50473
78%
**93
96%
IMR 4831
<<locked>>
97%
34838
54%
**06
95%
IMR 4895 👍
<<locked>>
96%
58291
90%
**61
100%
IMR 8208 XBR
<<locked>>
92%
58320
90%
**98
100%
Lovex D073.4
<<locked>>
86%
57609
89%
**62
100%
Lovex D073.5
<<locked>>
87%
57972
89%
**82
100%
Lovex D073.6
<<locked>>
93%
57334
88%
**08
100%
Lovex S060
<<locked>>
93%
57682
89%
**52
100%
Lovex S062
<<locked>>
97%
56797
87%
**92
100%
Lovex S065
<<locked>>
97%
46311
71%
**44
96%
[Lovex S070]*
<<locked>>
96%
43337
67%
**15
94%
Norma 200
<<locked>>
83%
58465
90%
**10
100%
Norma 201
<<locked>>
94%
58059
89%
**95
100%
Norma 202
<<locked>>
94%
57522
88%
**89
100%
Norma 203B
<<locked>>
97%
56739
87%
**31
100%
Norma URP
<<locked>>
96%
40915
63%
**28
97%
Ramshot Big Game 👍
<<locked>>
97%
58262
90%
**71
100%
[Ramshot Hunter]*
<<locked>>
97%
40756
63%
**21
94%
Ramshot TAC
<<locked>>
91%
58189
90%
**05
99%
Ramshot Wild Boar
<<locked>>
92%
58175
89%
**35
100%
Ramshot X-Terminator
<<locked>>
89%
58392
90%
**85
100%
ReloadSwiss RS 40
<<locked>>
88%
57928
89%
**79
100%
ReloadSwiss RS 50
<<locked>>
97%
56623
87%
**98
98%
ReloadSwiss RS 52 👍
<<locked>>
95%
58479
90%
**13
100%
ReloadSwiss RS 60
<<locked>>
97%
50314
77%
**44
100%
ReloadSwiss RS 62
<<locked>>
97%
40582
62%
**51
96%
ReloadSwiss RS 70
<<locked>>
97%
41887
64%
**67
95%
Rottweil R 901
<<locked>>
92%
57885
89%
**62
100%
Rottweil R 902
<<locked>>
96%
58102
89%
**85
100%
Rottweil R 903
<<locked>>
96%
49661
76%
**30
100%
Rottweil R 907
<<locked>>
97%
48341
74%
**61
95%
SNPE Vectan SP 10
<<locked>>
84%
58450
90%
**92
100%
SNPE Vectan SP 11
<<locked>>
97%
52359
81%
**95
100%
SNPE Vectan SP 7
<<locked>>
92%
58465
90%
**12
99%
SNPE Vectan SP 9
<<locked>>
94%
58204
90%
**25
100%
SNPE Vectan Tubal 3000
<<locked>>
93%
58189
90%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
54157
83%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
46354
71%
**98
95%
Shooters World Long Rifle
<<locked>>
97%
46311
71%
**44
96%
Shooters World Match Rifle
<<locked>>
93%
57334
88%
**08
100%
Shooters World Precision
<<locked>>
97%
56797
87%
**92
100%
Shooters World Tactical Rifle
<<locked>>
85%
57493
88%
**52
100%
Somchem S321
<<locked>>
89%
58247
90%
**18
100%
Somchem S335
<<locked>>
94%
58247
90%
**26
100%
Somchem S341
<<locked>>
92%
57711
89%
**02
100%
Somchem S355
<<locked>>
97%
51111
79%
**39
100%
Somchem S365
<<locked>>
97%
36289
56%
**82
99%
Vihtavuori N120
<<locked>>
84%
57740
89%
**15
100%
Vihtavuori N130
<<locked>>
90%
58320
90%
**90
100%
Vihtavuori N133
<<locked>>
95%
57479
88%
**97
100%
Vihtavuori N135
<<locked>>
97%
48936
75%
**57
100%
Vihtavuori N140
<<locked>>
96%
57421
88%
**59
100%
Vihtavuori N150
<<locked>>
97%
43062
66%
**92
100%
Vihtavuori N160
<<locked>>
97%
45527
70%
**67
97%
Vihtavuori N530
<<locked>>
89%
57479
88%
**98
100%
Vihtavuori N540
<<locked>>
96%
58320
90%
**02
100%
Vihtavuori N550
<<locked>>
97%
45281
70%
**10
98%
[Vihtavuori N555]*
<<locked>>
97%
30327
47%
**60
93%
Winchester 6.5 StaBALL
<<locked>>
97%
44599
69%
**34
99%
Winchester 748
<<locked>>
89%
57841
89%
**38
100%
Winchester 760
<<locked>>
97%
48588
75%
**59
96%
Winchester StaBALL Match
<<locked>>
87%
58305
90%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39479
61%
**36
98%
ADI AR 2208
<<locked>>
81%
33576
52%
**01
95%
ADI AR 2219
<<locked>>
81%
51837
80%
**03
100%
Accurate 2015
<<locked>>
81%
44556
69%
**49
100%
Accurate 2200
<<locked>>
81%
41510
64%
**39
97%
Accurate 2230
<<locked>>
81%
46804
72%
**25
99%
Accurate 2460
<<locked>>
81%
46717
72%
**34
100%
Accurate 2495
<<locked>>
81%
39015
60%
**36
100%
Accurate 2520
<<locked>>
81%
39842
61%
**59
100%
[Accurate 2700]*
<<locked>>
85%
36550
56%
**08
90%
Accurate 4064
<<locked>>
81%
32561
50%
**24
99%
[Accurate 4350]*
<<locked>>
84%
25976
40%
**10
90%
Alliant AR-Comp
<<locked>>
81%
40669
63%
**46
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
35331
54%
**36
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
32532
50%
**15
97%
Alliant Reloder-10x
<<locked>>
81%
48515
75%
**11
100%
Alliant Reloder-15
<<locked>>
81%
35128
54%
**70
96%
[Alliant Reloder-16]*
<<locked>>
84%
27818
43%
**26
90%
[Alliant Reloder-17]*
<<locked>>
81%
27847
43%
**59
93%
[Alliant Reloder-23]*
<<locked>>
92%
24961
38%
**70
90%
Baschieri & Pellagri 106
<<locked>>
81%
50850
78%
**02
100%
Baschieri & Pellagri 107
<<locked>>
81%
38218
59%
**29
96%
Bofors RP3
<<locked>>
81%
31415
48%
**08
96%
[Bofors RP7]*
<<locked>>
87%
35592
55%
**31
90%
Hodgdon BL-C2
<<locked>>
81%
39784
61%
**75
99%
Hodgdon Benchmark
<<locked>>
81%
43642
67%
**46
100%
[Hodgdon CFE223]*
<<locked>>
81%
33315
51%
**60
94%
Hodgdon H322
<<locked>>
81%
44063
68%
**92
100%
Hodgdon H335
<<locked>>
81%
50923
78%
**00
100%
[Hodgdon H380]*
<<locked>>
81%
32706
50%
**08
93%
[Hodgdon H414]*
<<locked>>
85%
33533
52%
**64
90%
Hodgdon H4198
<<locked>>
81%
53737
83%
**41
100%
[Hodgdon H4350]*
<<locked>>
94%
36419
56%
**70
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
23525
36%
**85
90%
[Hodgdon LVR]*
<<locked>>
82%
28297
44%
**33
90%
[Hodgdon Superperformance]*
<<locked>>
91%
36956
57%
**43
90%
Hodgdon VARGET
<<locked>>
81%
33243
51%
**95
95%
IMR 3031
<<locked>>
81%
35273
54%
**90
100%
IMR 4064
<<locked>>
81%
32822
50%
**78
95%
[IMR 4166 Enduron]*
<<locked>>
82%
33852
52%
**59
90%
IMR 4198
<<locked>>
81%
49400
76%
**79
100%
[IMR 4350]*
<<locked>>
91%
35694
55%
**54
90%
[IMR 4451 Enduron]*
<<locked>>
84%
33881
52%
**92
90%
[IMR 4831]*
<<locked>>
88%
26266
40%
**90
90%
IMR 4895
<<locked>>
81%
35984
55%
**97
97%
IMR 8208 XBR
<<locked>>
81%
41669
64%
**52
99%
Lovex D073.4
<<locked>>
81%
48370
74%
**44
100%
Lovex D073.5
<<locked>>
81%
46398
71%
**28
100%
Lovex D073.6
<<locked>>
81%
37536
58%
**13
99%
Lovex S060
<<locked>>
81%
40118
62%
**87
98%
Lovex S062
<<locked>>
81%
34461
53%
**31
98%
[Lovex S065]*
<<locked>>
82%
29225
45%
**03
90%
[Lovex S070]*
<<locked>>
87%
32401
50%
**95
90%
Norma 200
<<locked>>
81%
54810
84%
**70
100%
Norma 201
<<locked>>
81%
38479
59%
**97
99%
Norma 202
<<locked>>
81%
38696
60%
**10
100%
Norma 203B
<<locked>>
81%
34505
53%
**64
96%
[Norma URP]*
<<locked>>
84%
27021
42%
**13
90%
Ramshot Big Game
<<locked>>
81%
33823
52%
**64
96%
[Ramshot Hunter]*
<<locked>>
89%
31749
49%
**28
90%
Ramshot TAC
<<locked>>
81%
41220
63%
**43
95%
Ramshot Wild Boar
<<locked>>
81%
40263
62%
**65
98%
Ramshot X-Terminator
<<locked>>
81%
44962
69%
**92
98%
ReloadSwiss RS 40
<<locked>>
81%
46456
71%
**25
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33533
52%
**98
91%
ReloadSwiss RS 52
<<locked>>
81%
36042
55%
**49
96%
ReloadSwiss RS 60
<<locked>>
81%
29675
46%
**21
97%
[ReloadSwiss RS 62]*
<<locked>>
86%
27789
43%
**59
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
31169
48%
**21
90%
Rottweil R 901
<<locked>>
81%
41959
65%
**36
100%
Rottweil R 902
<<locked>>
81%
36564
56%
**51
98%
Rottweil R 903
<<locked>>
81%
29486
45%
**52
95%
[Rottweil R 907]*
<<locked>>
87%
35592
55%
**31
90%
SNPE Vectan SP 10
<<locked>>
81%
52025
80%
**16
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
30806
47%
**98
94%
SNPE Vectan SP 7
<<locked>>
81%
39320
60%
**20
95%
SNPE Vectan SP 9
<<locked>>
81%
37753
58%
**03
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
40393
62%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33025
51%
**42
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
32561
50%
**56
90%
[Shooters World Long Rifle]*
<<locked>>
82%
29225
45%
**03
90%
Shooters World Match Rifle
<<locked>>
81%
37536
58%
**13
99%
Shooters World Precision
<<locked>>
81%
34461
53%
**31
98%
Shooters World Tactical Rifle
<<locked>>
81%
49168
76%
**44
100%
Somchem S321
<<locked>>
81%
44570
69%
**21
100%
Somchem S335
<<locked>>
81%
39697
61%
**67
100%
Somchem S341
<<locked>>
81%
39001
60%
**23
97%
Somchem S355
<<locked>>
81%
30734
47%
**65
95%
[Somchem S365]*
<<locked>>
81%
22060
34%
**85
91%
Vihtavuori N120
<<locked>>
81%
52866
81%
**62
100%
Vihtavuori N130
<<locked>>
81%
45063
69%
**20
100%
Vihtavuori N133
<<locked>>
81%
37913
58%
**24
100%
Vihtavuori N135
<<locked>>
81%
29834
46%
**29
100%
Vihtavuori N140
<<locked>>
81%
36056
55%
**44
100%
Vihtavuori N150
<<locked>>
81%
26049
40%
**37
95%
[Vihtavuori N160]*
<<locked>>
81%
27079
42%
**80
90%
Vihtavuori N530
<<locked>>
81%
43540
67%
**95
99%
Vihtavuori N540
<<locked>>
81%
35592
55%
**60
99%
[Vihtavuori N550]*
<<locked>>
81%
27108
42%
**19
90%
[Vihtavuori N555]*
<<locked>>
91%
25541
39%
**23
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26353
41%
**37
92%
Winchester 748
<<locked>>
81%
43816
67%
**41
100%
[Winchester 760]*
<<locked>>
85%
33533
52%
**64
90%
Winchester StaBALL Match
<<locked>>
81%
46557
72%
**77
99%

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