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Load data for .338 Weatherby RPM + .338 | 227gr | CutEdge MTAC

Recommended Powder(s): Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

.338 Weatherby RPM + .338 | 227gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 227gr | CutEdge MTAC
Manufacturer SKU:
MTAC 338 227
Bullet Weight:
227gr | 14.7g
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_B8515_C455
Last updated:
2026-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 212 loads in caliber .338 Weatherby RPM with .338 | 227gr | CutEdge MTAC bullet and 106 powders such as Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. 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>>
92%
57885
89%
**18
100%
ADI AR 2208
<<locked>>
97%
55593
86%
**72
100%
ADI AR 2219
<<locked>>
83%
57653
89%
**69
100%
Accurate 2015
<<locked>>
89%
58160
89%
**20
100%
Accurate 2200
<<locked>>
90%
57624
89%
**79
99%
Accurate 2230
<<locked>>
86%
57856
89%
**72
100%
Accurate 2460
<<locked>>
86%
57609
89%
**72
100%
Accurate 2495
<<locked>>
92%
58044
89%
**89
100%
Accurate 2520
<<locked>>
91%
58044
89%
**08
100%
Accurate 2700
<<locked>>
97%
54491
84%
**00
96%
Accurate 4064
<<locked>>
97%
56391
87%
**89
100%
Accurate 4350
<<locked>>
97%
41669
64%
**51
97%
Alliant AR-Comp
<<locked>>
91%
57609
89%
**56
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
95%
57943
89%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55259
85%
**02
100%
Alliant Reloder-10x
<<locked>>
86%
58001
89%
**23
100%
Alliant Reloder-15
<<locked>>
96%
58465
90%
**51
100%
Alliant Reloder-16
<<locked>>
97%
42061
65%
**57
97%
Alliant Reloder-17
<<locked>>
97%
48689
75%
**05
100%
[Alliant Reloder-23]*
<<locked>>
97%
29660
46%
**11
94%
[Alliant Reloder-26]*
<<locked>>
97%
32256
50%
**16
92%
Baschieri & Pellagri 106
<<locked>>
84%
57783
89%
**77
100%
Baschieri & Pellagri 107
<<locked>>
93%
58204
90%
**44
100%
Bofors RP3
<<locked>>
97%
55027
85%
**05
100%
Bofors RP7
<<locked>>
97%
49719
76%
**80
95%
Hodgdon BL-C2
<<locked>>
91%
57725
89%
**38
100%
Hodgdon Benchmark
<<locked>>
89%
57450
88%
**39
100%
Hodgdon CFE223 👍
<<locked>>
96%
58233
90%
**87
100%
Hodgdon H322
<<locked>>
89%
58305
90%
**75
100%
Hodgdon H335
<<locked>>
84%
58030
89%
**92
100%
Hodgdon H380
<<locked>>
97%
57246
88%
**25
99%
Hodgdon H414
<<locked>>
97%
50488
78%
**82
96%
Hodgdon H4198
<<locked>>
83%
58392
90%
**90
100%
[Hodgdon H4350]*
<<locked>>
97%
41205
63%
**65
93%
Hodgdon H4895
<<locked>>
92%
58378
90%
**31
100%
Hodgdon Hybrid 100V
<<locked>>
97%
38392
59%
**59
98%
Hodgdon LVR
<<locked>>
97%
46282
71%
**07
97%
[Hodgdon Superperformance]*
<<locked>>
97%
46079
71%
**20
94%
Hodgdon VARGET
<<locked>>
97%
54969
85%
**66
100%
IMR 3031
<<locked>>
96%
57798
89%
**15
100%
IMR 4064
<<locked>>
96%
53882
83%
**46
100%
IMR 4166 Enduron
<<locked>>
97%
54346
84%
**23
97%
IMR 4198
<<locked>>
86%
57667
89%
**74
100%
[IMR 4350]*
<<locked>>
97%
43743
67%
**05
94%
IMR 4451 Enduron
<<locked>>
97%
52214
80%
**23
96%
IMR 4831
<<locked>>
97%
35853
55%
**26
96%
IMR 4895
<<locked>>
95%
57827
89%
**51
100%
IMR 8208 XBR
<<locked>>
91%
57943
89%
**85
100%
Lovex D073.4
<<locked>>
85%
57783
89%
**62
100%
Lovex D073.5
<<locked>>
87%
58117
89%
**75
100%
Lovex D073.6
<<locked>>
93%
57493
88%
**05
100%
Lovex S060
<<locked>>
92%
57870
89%
**52
100%
Lovex S062
<<locked>>
97%
57943
89%
**95
100%
Lovex S065
<<locked>>
97%
47384
73%
**57
97%
Lovex S070
<<locked>>
97%
44933
69%
**41
95%
Norma 201
<<locked>>
93%
57566
89%
**85
100%
Norma 202
<<locked>>
93%
58291
90%
**89
100%
Norma 203B
<<locked>>
97%
58334
90%
**48
100%
[Norma 204]*
<<locked>>
97%
43352
67%
**28
92%
Norma URP
<<locked>>
97%
42467
65%
**54
97%
Ramshot Big Game 👍
<<locked>>
96%
58334
90%
**67
100%
Ramshot Hunter
<<locked>>
97%
41379
64%
**31
95%
Ramshot TAC
<<locked>>
91%
58059
89%
**02
99%
Ramshot Wild Boar
<<locked>>
91%
58305
90%
**28
100%
Ramshot X-Terminator
<<locked>>
88%
58363
90%
**82
100%
ReloadSwiss RS 40
<<locked>>
87%
58059
89%
**75
100%
ReloadSwiss RS 50
<<locked>>
97%
57566
89%
**02
98%
ReloadSwiss RS 52 👍
<<locked>>
94%
57769
89%
**03
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52098
80%
**61
100%
ReloadSwiss RS 62
<<locked>>
97%
42032
65%
**80
97%
ReloadSwiss RS 70
<<locked>>
97%
42699
66%
**84
96%
Rottweil R 901
<<locked>>
91%
58160
89%
**59
100%
Rottweil R 902
<<locked>>
95%
57595
89%
**72
100%
Rottweil R 903
<<locked>>
97%
51605
79%
**49
100%
Rottweil R 907
<<locked>>
97%
49719
76%
**80
95%
SNPE Vectan SP 10
<<locked>>
83%
57812
89%
**82
100%
SNPE Vectan SP 11
<<locked>>
97%
53229
82%
**05
100%
SNPE Vectan SP 7
<<locked>>
92%
58291
90%
**05
99%
SNPE Vectan SP 9
<<locked>>
94%
58334
90%
**25
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
57798
89%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55724
86%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47137
73%
**11
95%
Shooters World Long Rifle
<<locked>>
97%
47384
73%
**57
97%
Shooters World Match Rifle
<<locked>>
93%
57493
88%
**05
100%
Shooters World Precision
<<locked>>
97%
57943
89%
**95
100%
Shooters World Tactical Rifle
<<locked>>
85%
58479
90%
**62
100%
Somchem S321
<<locked>>
88%
58421
90%
**15
100%
Somchem S335
<<locked>>
93%
57812
89%
**16
100%
Somchem S341
<<locked>>
92%
57798
89%
**02
100%
Somchem S355
<<locked>>
97%
52330
81%
**49
100%
Somchem S365
<<locked>>
97%
37565
58%
**05
99%
Vihtavuori N120
<<locked>>
84%
58494
90%
**18
100%
Vihtavuori N130
<<locked>>
89%
58059
89%
**77
100%
Vihtavuori N133
<<locked>>
95%
58291
90%
**97
100%
Vihtavuori N135
<<locked>>
96%
49487
76%
**54
100%
Vihtavuori N140
<<locked>>
95%
58146
89%
**62
100%
Vihtavuori N150
<<locked>>
97%
43976
68%
**02
100%
Vihtavuori N160
<<locked>>
97%
47123
73%
**93
98%
Vihtavuori N530
<<locked>>
89%
57769
89%
**98
100%
Vihtavuori N540
<<locked>>
96%
58262
90%
**95
100%
Vihtavuori N550
<<locked>>
97%
47079
72%
**33
98%
[Vihtavuori N555]*
<<locked>>
97%
31430
48%
**80
94%
Winchester 6.5 StaBALL
<<locked>>
97%
45252
70%
**41
99%
Winchester 748
<<locked>>
88%
57769
89%
**31
100%
Winchester 760
<<locked>>
97%
50488
78%
**82
96%
Winchester StaBALL Match
<<locked>>
86%
58073
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40132
62%
**46
98%
ADI AR 2208
<<locked>>
81%
34171
53%
**15
95%
ADI AR 2219
<<locked>>
81%
53055
82%
**13
100%
Accurate 2015
<<locked>>
81%
45556
70%
**59
100%
Accurate 2200
<<locked>>
81%
42496
65%
**52
97%
Accurate 2230
<<locked>>
81%
47834
74%
**41
100%
Accurate 2460
<<locked>>
81%
47776
74%
**41
100%
Accurate 2495
<<locked>>
81%
39697
61%
**43
100%
Accurate 2520
<<locked>>
81%
40915
63%
**72
100%
[Accurate 2700]*
<<locked>>
84%
35389
54%
**82
90%
Accurate 4064
<<locked>>
81%
33402
51%
**34
100%
[Accurate 4350]*
<<locked>>
83%
25164
39%
**83
90%
Alliant AR-Comp
<<locked>>
81%
41553
64%
**52
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
36143
56%
**52
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
33069
51%
**24
97%
Alliant Reloder-10x
<<locked>>
81%
49719
76%
**21
100%
Alliant Reloder-15
<<locked>>
81%
35752
55%
**80
96%
[Alliant Reloder-16]*
<<locked>>
83%
27369
42%
**06
90%
[Alliant Reloder-17]*
<<locked>>
81%
28529
44%
**78
94%
[Alliant Reloder-23]*
<<locked>>
90%
24511
38%
**51
90%
[Alliant Reloder-26]*
<<locked>>
94%
29733
46%
**47
90%
Baschieri & Pellagri 106
<<locked>>
81%
51837
80%
**08
100%
Baschieri & Pellagri 107
<<locked>>
81%
39102
60%
**49
97%
Bofors RP3
<<locked>>
81%
32387
50%
**24
97%
[Bofors RP7]*
<<locked>>
86%
34809
54%
**15
90%
Hodgdon BL-C2
<<locked>>
81%
41104
63%
**98
99%
Hodgdon Benchmark
<<locked>>
81%
44280
68%
**52
100%
Hodgdon CFE223
<<locked>>
81%
34055
52%
**80
95%
Hodgdon H322
<<locked>>
81%
44991
69%
**02
100%
Hodgdon H335
<<locked>>
81%
52431
81%
**16
100%
[Hodgdon H380]*
<<locked>>
81%
33504
52%
**28
94%
[Hodgdon H414]*
<<locked>>
84%
33011
51%
**47
90%
Hodgdon H4198
<<locked>>
81%
54418
84%
**44
100%
[Hodgdon H4350]*
<<locked>>
92%
35027
54%
**34
90%
Hodgdon H4895
<<locked>>
81%
40408
62%
**59
98%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23438
36%
**85
91%
[Hodgdon LVR]*
<<locked>>
81%
27818
43%
**16
90%
[Hodgdon Superperformance]*
<<locked>>
89%
35897
55%
**20
90%
Hodgdon VARGET
<<locked>>
81%
33953
52%
**01
95%
IMR 3031
<<locked>>
81%
36230
56%
**97
100%
IMR 4064
<<locked>>
81%
33359
51%
**88
95%
[IMR 4166 Enduron]*
<<locked>>
81%
33750
52%
**56
91%
IMR 4198
<<locked>>
81%
50328
77%
**85
100%
[IMR 4350]*
<<locked>>
90%
35360
54%
**47
90%
[IMR 4451 Enduron]*
<<locked>>
82%
32953
51%
**69
90%
[IMR 4831]*
<<locked>>
86%
25396
39%
**67
90%
IMR 4895
<<locked>>
81%
36637
56%
**06
97%
IMR 8208 XBR
<<locked>>
81%
42206
65%
**56
99%
Lovex D073.4
<<locked>>
81%
49458
76%
**54
100%
Lovex D073.5
<<locked>>
81%
47456
73%
**38
100%
Lovex D073.6
<<locked>>
81%
38609
59%
**29
100%
Lovex S060
<<locked>>
81%
41104
63%
**00
98%
Lovex S062
<<locked>>
81%
35476
55%
**47
98%
[Lovex S065]*
<<locked>>
81%
28805
44%
**90
90%
[Lovex S070]*
<<locked>>
86%
32111
49%
**85
90%
Norma 201
<<locked>>
81%
39030
60%
**03
99%
Norma 202
<<locked>>
81%
39276
60%
**16
100%
Norma 203B
<<locked>>
81%
35244
54%
**70
97%
[Norma 204]*
<<locked>>
94%
39711
61%
**59
90%
[Norma URP]*
<<locked>>
82%
26353
41%
**90
90%
Ramshot Big Game
<<locked>>
81%
34650
53%
**77
96%
[Ramshot Hunter]*
<<locked>>
88%
31430
48%
**18
90%
Ramshot TAC
<<locked>>
81%
42076
65%
**59
96%
Ramshot Wild Boar
<<locked>>
81%
41321
64%
**79
98%
Ramshot X-Terminator
<<locked>>
81%
45876
71%
**05
99%
ReloadSwiss RS 40
<<locked>>
81%
47543
73%
**34
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34360
53%
**18
92%
ReloadSwiss RS 52
<<locked>>
81%
36927
57%
**65
97%
ReloadSwiss RS 60
<<locked>>
81%
30400
47%
**41
98%
[ReloadSwiss RS 62]*
<<locked>>
84%
27050
42%
**33
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
30676
47%
**08
90%
Rottweil R 901
<<locked>>
81%
43163
66%
**52
100%
Rottweil R 902
<<locked>>
81%
37115
57%
**60
98%
Rottweil R 903
<<locked>>
81%
30458
47%
**72
96%
[Rottweil R 907]*
<<locked>>
86%
34809
54%
**15
90%
SNPE Vectan SP 10
<<locked>>
81%
53272
82%
**23
100%
SNPE Vectan SP 11
<<locked>>
81%
31618
49%
**15
95%
SNPE Vectan SP 7
<<locked>>
81%
40234
62%
**33
96%
SNPE Vectan SP 9
<<locked>>
81%
38696
60%
**20
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
40973
63%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33576
52%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
31691
49%
**33
90%
[Shooters World Long Rifle]*
<<locked>>
81%
28805
44%
**90
90%
Shooters World Match Rifle
<<locked>>
81%
38609
59%
**29
100%
Shooters World Precision
<<locked>>
81%
35476
55%
**47
98%
Shooters World Tactical Rifle
<<locked>>
81%
50198
77%
**51
100%
Somchem S321
<<locked>>
81%
45542
70%
**38
100%
Somchem S335
<<locked>>
81%
40234
62%
**70
100%
Somchem S341
<<locked>>
81%
39914
61%
**33
98%
Somchem S355
<<locked>>
81%
31444
48%
**82
96%
[Somchem S365]*
<<locked>>
81%
22713
35%
**11
92%
Vihtavuori N120
<<locked>>
81%
53679
83%
**62
100%
Vihtavuori N130
<<locked>>
81%
45716
70%
**23
100%
Vihtavuori N133
<<locked>>
81%
38566
59%
**31
100%
Vihtavuori N135
<<locked>>
81%
30487
47%
**42
100%
Vihtavuori N140
<<locked>>
81%
36724
57%
**54
100%
Vihtavuori N150
<<locked>>
81%
26847
41%
**57
96%
[Vihtavuori N160]*
<<locked>>
81%
27804
43%
**96
91%
Vihtavuori N530
<<locked>>
81%
44527
69%
**08
100%
Vihtavuori N540
<<locked>>
81%
36550
56%
**74
100%
[Vihtavuori N550]*
<<locked>>
81%
27876
43%
**33
91%
[Vihtavuori N555]*
<<locked>>
89%
24729
38%
**96
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26905
41%
**51
93%
Winchester 748
<<locked>>
81%
44875
69%
**51
100%
[Winchester 760]*
<<locked>>
84%
33011
51%
**47
90%
Winchester StaBALL Match
<<locked>>
81%
47485
73%
**84
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

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