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Load data for .338 Rem. Ultra Mag + .338 | 254gr | CutEdge MTAC

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

.338 Rem. Ultra Mag + .338 | 254gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 254gr | CutEdge MTAC
Manufacturer SKU:
MTAC 338 254
Bullet Weight:
254gr | 16.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.753" | 44.5mm
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:
0.967" | 24.6mm
Shank Seated Depth:
0.714" | 18.1mm
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_B8520_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 | 254gr | CutEdge MTAC 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>>
84%
57276
90%
**49
100%
ADI AR 2209 👍
<<locked>>
95%
57392
90%
**44
100%
ADI AR 2213
<<locked>>
97%
54259
85%
**41
99%
ADI AR 2217
<<locked>>
97%
39769
62%
**79
95%
ADI AR 2225
<<locked>>
97%
35259
55%
**49
97%
Accurate 2700
<<locked>>
85%
57334
90%
**30
100%
Accurate 3100
<<locked>>
97%
53940
85%
**52
100%
Accurate 4350
<<locked>>
89%
56594
89%
**98
100%
Accurate MAGPRO
<<locked>>
97%
53548
84%
**41
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
56956
89%
**49
100%
Alliant Reloder-16
<<locked>>
91%
56739
89%
**41
100%
Alliant Reloder-17
<<locked>>
86%
56768
89%
**41
100%
Alliant Reloder-19 👍
<<locked>>
95%
57246
90%
**41
100%
Alliant Reloder-22
<<locked>>
97%
53795
84%
**35
99%
Alliant Reloder-23
<<locked>>
97%
51416
81%
**66
100%
Alliant Reloder-25
<<locked>>
97%
44454
70%
**16
100%
Alliant Reloder-26 👍
<<locked>>
96%
56884
89%
**17
100%
Hodgdon H1000
<<locked>>
97%
39769
62%
**79
95%
Hodgdon H380
<<locked>>
83%
57058
89%
**72
100%
Hodgdon H414
<<locked>>
86%
56942
89%
**25
100%
Hodgdon H4350
<<locked>>
93%
56971
89%
**75
100%
Hodgdon H4831
<<locked>>
97%
50560
79%
**33
97%
Hodgdon H4831 SC
<<locked>>
97%
57101
89%
**21
99%
Hodgdon Hybrid 100V
<<locked>>
93%
57029
89%
**59
100%
Hodgdon LVR
<<locked>>
88%
56695
89%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
35259
55%
**49
97%
Hodgdon Superperformance
<<locked>>
88%
57261
90%
**64
100%
Hodgdon VARGET
<<locked>>
84%
56927
89%
**43
100%
IMR 4064
<<locked>>
85%
57087
89%
**36
100%
IMR 4166 Enduron
<<locked>>
86%
57072
89%
**46
100%
IMR 4350
<<locked>>
91%
56985
89%
**75
100%
IMR 4451 Enduron
<<locked>>
87%
57116
90%
**62
100%
IMR 4831
<<locked>>
95%
57392
90%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
55738
87%
**72
98%
IMR 7828 SSC
<<locked>>
97%
56275
88%
**77
99%
Lovex S065
<<locked>>
89%
57348
90%
**59
100%
Lovex S070
<<locked>>
90%
56971
89%
**79
100%
Lovex S071
<<locked>>
97%
45194
71%
**31
100%
Norma 204
<<locked>>
90%
57232
90%
**18
99%
[Norma 217]*
<<locked>>
97%
30618
48%
**67
94%
Norma MRP 👍
<<locked>>
97%
57072
89%
**07
100%
Norma URP
<<locked>>
90%
56869
89%
**05
100%
Ramshot Hunter
<<locked>>
91%
57072
89%
**31
100%
Ramshot Magnum
<<locked>>
97%
52591
82%
**05
100%
ReloadSwiss RS 50
<<locked>>
83%
56927
89%
**59
100%
ReloadSwiss RS 60
<<locked>>
87%
56782
89%
**57
100%
ReloadSwiss RS 62
<<locked>>
89%
56855
89%
**21
100%
ReloadSwiss RS 70
<<locked>>
90%
57072
89%
**77
100%
ReloadSwiss RS 76
<<locked>>
97%
42931
67%
**39
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38145
60%
**21
93%
Rottweil R 903
<<locked>>
85%
56927
89%
**46
100%
Rottweil R 904
<<locked>>
94%
56927
89%
**92
99%
Rottweil R 905 👍
<<locked>>
95%
56840
89%
**35
100%
Rottweil R 907
<<locked>>
87%
56710
89%
**62
100%
SNPE Vectan SP 11
<<locked>>
84%
57290
90%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56753
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56971
89%
**23
100%
Shooters World Long Rifle
<<locked>>
89%
57348
90%
**59
100%
Somchem S355
<<locked>>
85%
57232
90%
**49
100%
Somchem S361
<<locked>>
93%
57435
90%
**69
98%
Somchem S365
<<locked>>
92%
57421
90%
**08
100%
Somchem S385
<<locked>>
95%
56956
89%
**98
100%
Vihtavuori N135
<<locked>>
86%
57290
90%
**64
100%
Vihtavuori N150
<<locked>>
90%
57203
90%
**13
100%
Vihtavuori N160
<<locked>>
88%
56826
89%
**66
100%
Vihtavuori N165
<<locked>>
97%
50343
79%
**00
99%
Vihtavuori N550
<<locked>>
88%
57043
89%
**08
100%
Vihtavuori N555
<<locked>>
97%
57130
90%
**31
100%
Vihtavuori N560
<<locked>>
97%
54215
85%
**64
98%
Vihtavuori N565
<<locked>>
97%
46006
72%
**23
97%
[Vihtavuori N568]*
<<locked>>
97%
39885
63%
**44
93%
Winchester 6.5 StaBALL
<<locked>>
89%
56695
89%
**36
100%
Winchester 760
<<locked>>
86%
56942
89%
**25
100%
Winchester StaBALL HD
<<locked>>
97%
47718
75%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51343
80%
**74
100%
ADI AR 2209
<<locked>>
81%
35940
56%
**83
95%
[ADI AR 2213]*
<<locked>>
81%
31850
50%
**11
91%
[ADI AR 2217]*
<<locked>>
89%
30530
48%
**69
90%
[ADI AR 2225]*
<<locked>>
87%
25150
39%
**64
90%
Accurate 2700
<<locked>>
81%
49632
78%
**21
99%
Accurate 3100
<<locked>>
81%
31096
49%
**65
97%
Accurate 4350
<<locked>>
81%
42438
67%
**98
100%
[Accurate MAGPRO]*
<<locked>>
84%
33417
52%
**74
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52272
82%
**90
100%
Alliant Reloder-16
<<locked>>
81%
41133
64%
**05
100%
Alliant Reloder-17
<<locked>>
81%
47355
74%
**16
100%
Alliant Reloder-19
<<locked>>
81%
35679
56%
**77
95%
[Alliant Reloder-22]*
<<locked>>
81%
31415
49%
**24
94%
Alliant Reloder-23
<<locked>>
81%
30139
47%
**95
99%
[Alliant Reloder-25]*
<<locked>>
81%
26281
41%
**03
94%
Alliant Reloder-26
<<locked>>
81%
32445
51%
**06
98%
[Hodgdon H1000]*
<<locked>>
89%
30530
48%
**69
90%
Hodgdon H380
<<locked>>
81%
53171
83%
**20
100%
Hodgdon H414
<<locked>>
81%
48631
76%
**10
100%
Hodgdon H4350
<<locked>>
81%
39697
62%
**06
97%
[Hodgdon H4831]*
<<locked>>
82%
30763
48%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33446
52%
**15
92%
Hodgdon Hybrid 100V
<<locked>>
81%
38551
60%
**00
100%
Hodgdon LVR
<<locked>>
81%
45295
71%
**38
100%
[Hodgdon Retumbo]*
<<locked>>
87%
25150
39%
**64
90%
Hodgdon Superperformance
<<locked>>
81%
43874
69%
**64
99%
Hodgdon VARGET
<<locked>>
81%
51140
80%
**64
100%
IMR 4064
<<locked>>
81%
50459
79%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
49516
78%
**38
100%
IMR 4350
<<locked>>
81%
41684
65%
**49
98%
IMR 4451 Enduron
<<locked>>
81%
47688
75%
**31
99%
IMR 4831
<<locked>>
81%
36767
58%
**83
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33953
53%
**92
92%
[IMR 7828 SSC]*
<<locked>>
81%
32430
51%
**34
92%
Lovex S065
<<locked>>
81%
45005
71%
**88
100%
Lovex S070
<<locked>>
81%
43062
67%
**72
99%
[Lovex S071]*
<<locked>>
81%
26556
42%
**51
94%
Norma 204
<<locked>>
81%
41292
65%
**75
97%
[Norma 217]*
<<locked>>
91%
25106
39%
**00
90%
Norma MRP
<<locked>>
81%
32706
51%
**83
96%
Norma URP
<<locked>>
81%
41989
66%
**92
100%
Ramshot Hunter
<<locked>>
81%
40872
64%
**82
99%
[Ramshot Magnum]*
<<locked>>
81%
28631
45%
**42
93%
ReloadSwiss RS 50
<<locked>>
81%
53055
83%
**13
100%
ReloadSwiss RS 60
<<locked>>
81%
45614
71%
**07
100%
ReloadSwiss RS 62
<<locked>>
81%
42453
67%
**18
100%
ReloadSwiss RS 70
<<locked>>
81%
41002
64%
**31
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
25396
40%
**96
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
32372
51%
**83
90%
Rottweil R 903
<<locked>>
81%
49647
78%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
37304
58%
**74
94%
Rottweil R 905
<<locked>>
81%
34824
55%
**67
95%
Rottweil R 907
<<locked>>
81%
46050
72%
**05
99%
SNPE Vectan SP 11
<<locked>>
81%
51256
80%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50734
79%
**52
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43947
69%
**36
99%
Shooters World Long Rifle
<<locked>>
81%
45005
71%
**88
100%
Somchem S355
<<locked>>
81%
49879
78%
**54
100%
[Somchem S361]*
<<locked>>
81%
37681
59%
**51
94%
Somchem S365
<<locked>>
81%
38667
61%
**49
100%
Somchem S385
<<locked>>
81%
35346
55%
**54
96%
Vihtavuori N135
<<locked>>
81%
48530
76%
**59
100%
Vihtavuori N150
<<locked>>
81%
42815
67%
**20
100%
Vihtavuori N160
<<locked>>
81%
45382
71%
**11
100%
[Vihtavuori N165]*
<<locked>>
81%
29472
46%
**13
93%
Vihtavuori N550
<<locked>>
81%
45876
72%
**54
100%
Vihtavuori N555
<<locked>>
81%
33678
53%
**60
99%
[Vihtavuori N560]*
<<locked>>
81%
31444
49%
**28
91%
[Vihtavuori N565]*
<<locked>>
84%
29254
46%
**75
90%
[Vihtavuori N568]*
<<locked>>
92%
33475
52%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42641
67%
**52
100%
Winchester 760
<<locked>>
81%
48631
76%
**10
100%
Winchester StaBALL HD
<<locked>>
81%
24497
38%
**92
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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