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Load data for .338 Rem. Ultra Mag + .338 | 260gr | CutEdge Maximus

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma 204, Norma MRP, Rottweil R 905

.338 Rem. Ultra Mag + .338 | 260gr | CutEdge Maximus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 260gr | CutEdge Maximus
Manufacturer SKU:
Maximus
Bullet Weight:
260gr | 16.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.722" | 43.7mm
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:
0.936" | 23.8mm
Shank Seated Depth:
0.683" | 17.3mm
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_B8522_C459
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 144 loads in caliber .338 Rem. Ultra Mag with .338 | 260gr | CutEdge Maximus bullet and 72 powders such as ADI AR 2209, Alliant Reloder-19, Norma 204, 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>>
84%
57145
90%
**16
100%
ADI AR 2209 👍
<<locked>>
94%
57116
90%
**15
100%
ADI AR 2213
<<locked>>
97%
56086
88%
**38
99%
ADI AR 2217
<<locked>>
97%
40799
64%
**79
96%
ADI AR 2225
<<locked>>
97%
36303
57%
**56
98%
Accurate 2700
<<locked>>
85%
57130
90%
**97
100%
Accurate 3100
<<locked>>
97%
55434
87%
**43
100%
Accurate 4350
<<locked>>
89%
56753
89%
**75
100%
Accurate MAGPRO
<<locked>>
97%
55027
86%
**35
98%
Alliant Reloder-16
<<locked>>
90%
57130
90%
**18
100%
Alliant Reloder-17
<<locked>>
85%
56826
89%
**08
100%
Alliant Reloder-19 👍
<<locked>>
94%
57188
90%
**18
100%
Alliant Reloder-22
<<locked>>
97%
55738
87%
**38
100%
Alliant Reloder-23
<<locked>>
97%
53142
83%
**62
100%
Alliant Reloder-25
<<locked>>
97%
45527
71%
**13
100%
Alliant Reloder-26
<<locked>>
95%
57116
89%
**90
100%
Hodgdon H1000
<<locked>>
97%
40799
64%
**79
96%
Hodgdon H414
<<locked>>
85%
57159
90%
**05
100%
Hodgdon H4350
<<locked>>
92%
57319
90%
**56
100%
Hodgdon H4831
<<locked>>
97%
51547
81%
**16
98%
Hodgdon H4831 SC
<<locked>>
96%
56637
89%
**92
99%
Hodgdon Hybrid 100V
<<locked>>
92%
56985
89%
**33
100%
Hodgdon LVR
<<locked>>
87%
56782
89%
**72
100%
Hodgdon Retumbo
<<locked>>
97%
36303
57%
**56
98%
Hodgdon Superperformance
<<locked>>
87%
56695
89%
**31
100%
Hodgdon VARGET
<<locked>>
84%
56811
89%
**16
100%
IMR 4064
<<locked>>
84%
57058
89%
**07
100%
IMR 4166 Enduron
<<locked>>
85%
57334
90%
**23
100%
IMR 4350
<<locked>>
90%
57348
90%
**56
100%
IMR 4451 Enduron
<<locked>>
86%
56985
89%
**39
100%
IMR 4831
<<locked>>
94%
56985
89%
**62
100%
IMR 4955 Enduron
<<locked>>
97%
56985
89%
**66
99%
IMR 7828 SSC
<<locked>>
96%
57043
89%
**61
99%
[IMR 8133 Enduron]*
<<locked>>
97%
32169
50%
**54
93%
Lovex S065
<<locked>>
88%
56956
89%
**33
100%
Lovex S070
<<locked>>
89%
56826
89%
**52
100%
Lovex S071
<<locked>>
97%
46325
73%
**25
100%
Norma 204 👍
<<locked>>
90%
57261
90%
**98
100%
Norma 217
<<locked>>
97%
31908
50%
**74
96%
Norma MRP 👍
<<locked>>
96%
57392
90%
**77
100%
Norma URP
<<locked>>
89%
56826
89%
**72
100%
Ramshot Hunter
<<locked>>
90%
57043
89%
**05
100%
Ramshot Magnum
<<locked>>
97%
54215
85%
**02
100%
ReloadSwiss RS 60
<<locked>>
86%
56884
89%
**31
100%
ReloadSwiss RS 62
<<locked>>
89%
57305
90%
**98
100%
ReloadSwiss RS 70
<<locked>>
89%
57087
89%
**44
100%
ReloadSwiss RS 76
<<locked>>
97%
44121
69%
**46
100%
ReloadSwiss RS 80
<<locked>>
97%
39798
62%
**38
95%
Rottweil R 903
<<locked>>
84%
57058
89%
**20
100%
Rottweil R 904
<<locked>>
93%
56811
89%
**62
99%
Rottweil R 905 👍
<<locked>>
95%
57276
90%
**12
100%
Rottweil R 907
<<locked>>
87%
57334
90%
**43
100%
SNPE Vectan SP 11
<<locked>>
84%
57246
90%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57029
89%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57130
90%
**00
100%
Shooters World Long Rifle
<<locked>>
88%
56956
89%
**33
100%
Somchem S355
<<locked>>
85%
57348
90%
**23
100%
Somchem S361
<<locked>>
93%
57377
90%
**46
99%
Somchem S365
<<locked>>
91%
57087
89%
**79
100%
Somchem S385
<<locked>>
95%
57334
90%
**85
100%
Vihtavuori N135
<<locked>>
85%
56826
89%
**31
100%
Vihtavuori N150
<<locked>>
90%
57276
90%
**84
100%
Vihtavuori N160
<<locked>>
87%
57000
89%
**43
100%
Vihtavuori N165
<<locked>>
97%
51663
81%
**93
100%
Vihtavuori N550
<<locked>>
87%
57217
90%
**79
100%
Vihtavuori N555
<<locked>>
96%
57058
89%
**05
100%
Vihtavuori N560
<<locked>>
97%
55709
87%
**57
99%
Vihtavuori N565
<<locked>>
97%
47369
74%
**20
98%
[Vihtavuori N568]*
<<locked>>
97%
41031
64%
**44
94%
Winchester 6.5 StaBALL
<<locked>>
89%
57421
90%
**23
100%
Winchester 760
<<locked>>
85%
57159
90%
**05
100%
Winchester StaBALL HD
<<locked>>
97%
49472
78%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52576
82%
**64
100%
ADI AR 2209
<<locked>>
81%
36637
57%
**80
96%
[ADI AR 2213]*
<<locked>>
81%
32532
51%
**11
92%
[ADI AR 2217]*
<<locked>>
87%
29385
46%
**19
90%
[ADI AR 2225]*
<<locked>>
85%
24395
38%
**21
90%
Accurate 2700
<<locked>>
81%
50778
80%
**15
99%
Accurate 3100
<<locked>>
81%
32082
50%
**65
97%
Accurate 4350
<<locked>>
81%
43801
69%
**88
100%
[Accurate MAGPRO]*
<<locked>>
82%
32648
51%
**34
90%
Alliant Reloder-16
<<locked>>
81%
42192
66%
**02
100%
Alliant Reloder-17
<<locked>>
81%
48805
76%
**10
100%
Alliant Reloder-19
<<locked>>
81%
36738
58%
**80
96%
[Alliant Reloder-22]*
<<locked>>
81%
32111
50%
**15
94%
Alliant Reloder-23
<<locked>>
81%
30922
48%
**95
100%
Alliant Reloder-25
<<locked>>
81%
26963
42%
**03
95%
Alliant Reloder-26
<<locked>>
81%
33576
53%
**13
99%
[Hodgdon H1000]*
<<locked>>
87%
29385
46%
**19
90%
Hodgdon H414
<<locked>>
81%
49951
78%
**03
100%
Hodgdon H4350
<<locked>>
81%
40422
63%
**00
98%
[Hodgdon H4831]*
<<locked>>
81%
30632
48%
**23
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
34098
53%
**05
92%
Hodgdon Hybrid 100V
<<locked>>
81%
39784
62%
**97
100%
Hodgdon LVR
<<locked>>
81%
46572
73%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
85%
24395
38%
**21
90%
Hodgdon Superperformance
<<locked>>
81%
45150
71%
**61
99%
Hodgdon VARGET
<<locked>>
81%
52170
82%
**61
100%
IMR 4064
<<locked>>
81%
51721
81%
**41
100%
IMR 4166 Enduron
<<locked>>
81%
50270
79%
**21
100%
IMR 4350
<<locked>>
81%
42424
66%
**33
98%
IMR 4451 Enduron
<<locked>>
81%
48834
77%
**25
100%
IMR 4831
<<locked>>
81%
37753
59%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
81%
34737
54%
**88
93%
[IMR 7828 SSC]*
<<locked>>
81%
33373
52%
**41
93%
[IMR 8133 Enduron]*
<<locked>>
93%
28355
44%
**56
90%
Lovex S065
<<locked>>
81%
45861
72%
**72
100%
Lovex S070
<<locked>>
81%
44222
69%
**69
99%
Lovex S071
<<locked>>
81%
27383
43%
**54
95%
Norma 204
<<locked>>
81%
42453
67%
**75
98%
[Norma 217]*
<<locked>>
89%
24569
39%
**64
90%
Norma MRP
<<locked>>
81%
33765
53%
**87
97%
Norma URP
<<locked>>
81%
43134
68%
**85
100%
Ramshot Hunter
<<locked>>
81%
42061
66%
**79
99%
[Ramshot Magnum]*
<<locked>>
81%
29501
46%
**49
94%
ReloadSwiss RS 60
<<locked>>
81%
46891
73%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
43569
68%
**11
100%
ReloadSwiss RS 70
<<locked>>
81%
42206
66%
**31
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
25222
40%
**73
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
31270
49%
**41
90%
Rottweil R 903
<<locked>>
81%
51024
80%
**48
100%
Rottweil R 904
<<locked>>
81%
38348
60%
**74
95%
Rottweil R 905
<<locked>>
81%
35694
56%
**60
96%
Rottweil R 907
<<locked>>
81%
47210
74%
**02
99%
SNPE Vectan SP 11
<<locked>>
81%
52605
82%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51648
81%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45121
71%
**29
99%
Shooters World Long Rifle
<<locked>>
81%
45861
72%
**72
100%
Somchem S355
<<locked>>
81%
50966
80%
**44
100%
[Somchem S361]*
<<locked>>
81%
38682
61%
**51
94%
Somchem S365
<<locked>>
81%
39711
62%
**43
100%
Somchem S385
<<locked>>
81%
36274
57%
**47
97%
Vihtavuori N135
<<locked>>
81%
49443
77%
**46
100%
Vihtavuori N150
<<locked>>
81%
43613
68%
**10
100%
Vihtavuori N160
<<locked>>
81%
46644
73%
**05
100%
[Vihtavuori N165]*
<<locked>>
81%
30327
48%
**16
94%
Vihtavuori N550
<<locked>>
81%
47137
74%
**48
100%
Vihtavuori N555
<<locked>>
81%
34519
54%
**57
99%
[Vihtavuori N560]*
<<locked>>
81%
32416
51%
**28
92%
[Vihtavuori N565]*
<<locked>>
82%
28384
44%
**33
90%
[Vihtavuori N568]*
<<locked>>
90%
32343
51%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43801
69%
**46
100%
Winchester 760
<<locked>>
81%
49951
78%
**03
100%
Winchester StaBALL HD
<<locked>>
81%
25773
40%
**98
100%

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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