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Load data for .338 Rem. Ultra Mag + .338 | 252gr | CutEdge MTH

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.338 Rem. Ultra Mag + .338 | 252gr | CutEdge MTH

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 252gr | CutEdge MTH
Manufacturer SKU:
MTH 338 252
Bullet Weight:
252gr | 16.3g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.749" | 44.4mm
Caliber:
.338 Rem. Ultra Mag load data
Case Length (l3):
2.760" | 70.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.963" | 24.5mm
Shank Seated Depth:
0.710" | 18.0mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B8518_C459
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 148 loads in caliber .338 Rem. Ultra Mag with .338 | 252gr | CutEdge MTH bullet and 74 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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".

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  • 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 2208
<<locked>>
85%
57261
90%
**56
100%
ADI AR 2209 👍
<<locked>>
95%
56971
89%
**48
100%
ADI AR 2213
<<locked>>
97%
54505
85%
**48
99%
ADI AR 2217
<<locked>>
97%
39624
62%
**88
95%
ADI AR 2225
<<locked>>
97%
34737
54%
**46
97%
Accurate 2700
<<locked>>
85%
56869
89%
**30
100%
Accurate 3100
<<locked>>
97%
53345
84%
**52
100%
Accurate 4350
<<locked>>
90%
56927
89%
**08
100%
Accurate MAGPRO
<<locked>>
97%
53417
84%
**51
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
57246
90%
**62
100%
Alliant Reloder-16
<<locked>>
91%
57014
89%
**48
100%
Alliant Reloder-17
<<locked>>
86%
57261
90%
**54
100%
Alliant Reloder-19 👍
<<locked>>
96%
57363
90%
**51
100%
Alliant Reloder-22
<<locked>>
97%
53896
84%
**44
99%
Alliant Reloder-23
<<locked>>
97%
50865
80%
**69
100%
Alliant Reloder-25
<<locked>>
97%
43976
69%
**16
100%
Alliant Reloder-26 👍
<<locked>>
96%
56550
89%
**26
100%
Hodgdon H1000
<<locked>>
97%
39624
62%
**88
95%
Hodgdon H380
<<locked>>
83%
57014
89%
**85
100%
Hodgdon H414
<<locked>>
86%
57232
90%
**38
100%
Hodgdon H4350
<<locked>>
93%
57261
90%
**92
100%
Hodgdon H4831
<<locked>>
97%
50183
79%
**33
97%
Hodgdon H4831 SC
<<locked>>
97%
57246
90%
**35
98%
Hodgdon Hybrid 100V
<<locked>>
93%
57174
90%
**72
100%
Hodgdon LVR
<<locked>>
88%
56985
89%
**12
100%
Hodgdon Retumbo
<<locked>>
97%
34737
54%
**46
97%
Hodgdon Superperformance
<<locked>>
88%
56985
89%
**67
100%
Hodgdon VARGET
<<locked>>
85%
57261
90%
**56
100%
IMR 4064
<<locked>>
85%
57072
89%
**43
100%
IMR 4166 Enduron
<<locked>>
86%
57406
90%
**59
100%
IMR 4350
<<locked>>
91%
57276
90%
**89
100%
IMR 4451 Enduron
<<locked>>
87%
57421
90%
**79
100%
IMR 4831
<<locked>>
95%
56869
89%
**98
100%
IMR 4955 Enduron
<<locked>>
97%
55680
87%
**79
98%
IMR 7828 SSC
<<locked>>
97%
55695
87%
**77
99%
Lovex S065
<<locked>>
89%
56869
89%
**69
100%
Lovex S070
<<locked>>
90%
56811
89%
**85
100%
Lovex S071
<<locked>>
97%
44686
70%
**31
100%
Norma 204
<<locked>>
91%
57174
90%
**31
99%
[Norma 217]*
<<locked>>
97%
30443
48%
**67
94%
Norma MRP 👍
<<locked>>
97%
57305
90%
**13
100%
Norma URP
<<locked>>
91%
57377
90%
**21
100%
Ramshot Hunter
<<locked>>
91%
57000
89%
**35
100%
Ramshot Magnum
<<locked>>
97%
52460
82%
**08
100%
ReloadSwiss RS 50
<<locked>>
83%
56898
89%
**72
100%
ReloadSwiss RS 60
<<locked>>
88%
57261
90%
**71
100%
ReloadSwiss RS 62
<<locked>>
90%
56971
89%
**35
100%
ReloadSwiss RS 70
<<locked>>
90%
56956
89%
**80
100%
ReloadSwiss RS 76
<<locked>>
97%
43120
68%
**52
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38203
60%
**31
93%
Rottweil R 903
<<locked>>
85%
56913
89%
**59
100%
Rottweil R 904
<<locked>>
94%
57217
90%
**08
99%
Rottweil R 905 👍
<<locked>>
96%
57130
90%
**48
100%
Rottweil R 907
<<locked>>
88%
57261
90%
**75
100%
SNPE Vectan SP 11
<<locked>>
84%
57246
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57072
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57348
90%
**39
100%
Shooters World Long Rifle
<<locked>>
89%
56869
89%
**69
100%
Somchem S355
<<locked>>
86%
57348
90%
**62
100%
Somchem S361
<<locked>>
93%
57232
90%
**79
98%
Somchem S365
<<locked>>
92%
56826
89%
**18
100%
Somchem S385
<<locked>>
95%
57087
89%
**12
100%
Vihtavuori N135
<<locked>>
86%
56840
89%
**70
100%
Vihtavuori N150
<<locked>>
91%
57406
90%
**26
100%
Vihtavuori N160
<<locked>>
88%
57116
89%
**79
100%
Vihtavuori N165
<<locked>>
97%
50270
79%
**10
99%
Vihtavuori N550
<<locked>>
88%
56985
89%
**15
100%
Vihtavuori N555
<<locked>>
97%
56550
89%
**38
100%
Vihtavuori N560
<<locked>>
97%
54099
85%
**67
98%
Vihtavuori N565
<<locked>>
97%
45484
71%
**20
97%
[Vihtavuori N568]*
<<locked>>
97%
39697
62%
**44
93%
Winchester 6.5 StaBALL
<<locked>>
89%
56956
89%
**49
100%
Winchester 760
<<locked>>
86%
57232
90%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
46557
73%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51358
80%
**80
100%
ADI AR 2209
<<locked>>
81%
35607
56%
**90
95%
[ADI AR 2213]*
<<locked>>
81%
31618
50%
**11
91%
[ADI AR 2217]*
<<locked>>
89%
30356
48%
**69
90%
[ADI AR 2225]*
<<locked>>
87%
25440
40%
**73
90%
Accurate 2700
<<locked>>
81%
49327
77%
**25
99%
Accurate 3100
<<locked>>
81%
30734
48%
**62
96%
Accurate 4350
<<locked>>
81%
42119
66%
**02
100%
[Accurate MAGPRO]*
<<locked>>
84%
33750
53%
**83
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51953
81%
**93
100%
Alliant Reloder-16
<<locked>>
81%
40756
64%
**08
100%
Alliant Reloder-17
<<locked>>
81%
47297
74%
**23
100%
Alliant Reloder-19
<<locked>>
81%
35346
55%
**83
95%
[Alliant Reloder-22]*
<<locked>>
81%
31096
49%
**24
93%
Alliant Reloder-23
<<locked>>
81%
29820
47%
**95
99%
[Alliant Reloder-25]*
<<locked>>
81%
26150
41%
**06
94%
Alliant Reloder-26
<<locked>>
81%
32329
51%
**10
98%
[Hodgdon H1000]*
<<locked>>
89%
30356
48%
**69
90%
Hodgdon H380
<<locked>>
81%
52924
83%
**33
100%
Hodgdon H414
<<locked>>
81%
48182
75%
**10
99%
Hodgdon H4350
<<locked>>
81%
39349
62%
**10
97%
[Hodgdon H4831]*
<<locked>>
82%
30908
48%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33141
52%
**15
91%
Hodgdon Hybrid 100V
<<locked>>
81%
38261
60%
**03
100%
Hodgdon LVR
<<locked>>
81%
44889
70%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
87%
25440
40%
**73
90%
Hodgdon Superperformance
<<locked>>
81%
43395
68%
**64
99%
Hodgdon VARGET
<<locked>>
81%
50749
80%
**70
100%
IMR 4064
<<locked>>
81%
50473
79%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
49139
77%
**41
99%
IMR 4350
<<locked>>
81%
41321
65%
**49
98%
IMR 4451 Enduron
<<locked>>
81%
47413
74%
**38
99%
IMR 4831
<<locked>>
81%
36593
57%
**87
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33808
53%
**92
92%
[IMR 7828 SSC]*
<<locked>>
81%
32184
50%
**34
91%
Lovex S065
<<locked>>
81%
44614
70%
**92
100%
Lovex S070
<<locked>>
81%
43062
67%
**79
99%
[Lovex S071]*
<<locked>>
81%
26411
41%
**54
94%
Norma 204
<<locked>>
81%
41263
65%
**82
97%
[Norma 217]*
<<locked>>
91%
25527
40%
**16
90%
Norma MRP
<<locked>>
81%
32430
51%
**83
96%
Norma URP
<<locked>>
81%
41872
66%
**95
100%
Ramshot Hunter
<<locked>>
81%
40828
64%
**95
99%
[Ramshot Magnum]*
<<locked>>
81%
28616
45%
**49
92%
ReloadSwiss RS 50
<<locked>>
81%
52823
83%
**13
100%
ReloadSwiss RS 60
<<locked>>
81%
45455
71%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
42221
66%
**21
100%
ReloadSwiss RS 70
<<locked>>
81%
40770
64%
**41
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
25570
40%
**06
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
32445
51%
**97
90%
Rottweil R 903
<<locked>>
81%
49647
78%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
36956
58%
**74
94%
Rottweil R 905
<<locked>>
81%
34476
54%
**67
95%
Rottweil R 907
<<locked>>
81%
46064
72%
**11
99%
SNPE Vectan SP 11
<<locked>>
81%
51227
80%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50459
79%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43671
68%
**39
99%
Shooters World Long Rifle
<<locked>>
81%
44614
70%
**92
100%
Somchem S355
<<locked>>
81%
49676
78%
**61
100%
[Somchem S361]*
<<locked>>
81%
37666
59%
**64
94%
Somchem S365
<<locked>>
81%
38348
60%
**52
100%
Somchem S385
<<locked>>
81%
34998
55%
**54
96%
Vihtavuori N135
<<locked>>
81%
48124
75%
**65
100%
Vihtavuori N150
<<locked>>
81%
42453
67%
**23
100%
Vihtavuori N160
<<locked>>
81%
45179
71%
**18
100%
[Vihtavuori N165]*
<<locked>>
81%
29385
46%
**16
93%
Vihtavuori N550
<<locked>>
81%
45847
72%
**61
100%
Vihtavuori N555
<<locked>>
81%
33301
52%
**60
99%
[Vihtavuori N560]*
<<locked>>
81%
31430
49%
**34
91%
[Vihtavuori N565]*
<<locked>>
85%
29733
47%
**92
90%
[Vihtavuori N568]*
<<locked>>
92%
33794
53%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42438
67%
**59
100%
Winchester 760
<<locked>>
81%
48182
75%
**10
99%
Winchester StaBALL HD
<<locked>>
81%
24468
38%
**98
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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