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Load data for .338 Rem. Ultra Mag + .338 | 275gr | Swift A-Frame

Recommended Powder(s): ADI AR 2213, IMR 7828 SSC, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560

.338 Rem. Ultra Mag + .338 | 275gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | Swift A-Frame
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Rem. Ultra Mag load data
Case Length (l3):
2.760" | 70.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B10855_C459
Last updated:
2026-03-23

Load data for 142 loads in caliber .338 Rem. Ultra Mag with .338 | 275gr | Swift A-Frame bullet and 71 powders such as ADI AR 2213, IMR 7828 SSC, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560. 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 2209
<<locked>>
90%
57363
90%
**66
100%
ADI AR 2213 👍
<<locked>>
93%
56724
89%
**02
100%
ADI AR 2217
<<locked>>
97%
47326
74%
**61
99%
[ADI AR 2218]*
<<locked>>
97%
40596
64%
**95
92%
ADI AR 2225
<<locked>>
97%
42250
66%
**21
100%
Accurate 3100
<<locked>>
93%
57159
90%
**10
100%
Accurate 4350
<<locked>>
84%
56840
89%
**13
100%
Accurate MAGPRO
<<locked>>
94%
57159
90%
**15
99%
Alliant Reloder-16
<<locked>>
86%
57145
90%
**49
100%
Alliant Reloder-19
<<locked>>
90%
57232
90%
**59
100%
Alliant Reloder-22
<<locked>>
93%
56855
89%
**89
100%
Alliant Reloder-23
<<locked>>
95%
57305
90%
**46
100%
Alliant Reloder-25
<<locked>>
97%
53490
84%
**69
100%
Alliant Reloder-26
<<locked>>
90%
56985
89%
**15
100%
Alliant Reloder-33
<<locked>>
97%
43410
68%
**54
95%
Baschieri & Pellagri 109
<<locked>>
95%
57188
90%
**52
98%
Bofors RP15
<<locked>>
96%
57392
90%
**95
100%
Bofors RP30
<<locked>>
97%
49559
78%
**16
99%
Bofors RP5
<<locked>>
93%
56855
89%
**89
100%
Bofors RP7
<<locked>>
84%
57130
90%
**87
100%
Hodgdon H1000
<<locked>>
97%
47326
74%
**61
99%
Hodgdon H4350
<<locked>>
88%
57058
89%
**03
100%
Hodgdon H4831
<<locked>>
96%
57188
90%
**46
99%
Hodgdon H4831 SC
<<locked>>
92%
57188
90%
**46
99%
Hodgdon Hybrid 100V
<<locked>>
88%
56971
89%
**74
100%
Hodgdon LVR
<<locked>>
83%
57043
89%
**20
100%
Hodgdon Retumbo
<<locked>>
97%
42250
66%
**21
100%
Hodgdon Superperformance
<<locked>>
83%
57101
89%
**72
100%
Hodgdon TrailBoss
<<locked>>
96%
35607
56%
**32
100%
IMR 4350
<<locked>>
87%
57421
90%
**10
100%
IMR 4831
<<locked>>
90%
56826
89%
**00
100%
IMR 4955 Enduron
<<locked>>
93%
57000
89%
**16
99%
IMR 7828 SSC 👍
<<locked>>
92%
57305
90%
**12
100%
[IMR 7977 Enduron]*
<<locked>>
97%
55477
87%
**54
94%
IMR 8133 Enduron
<<locked>>
97%
38232
60%
**49
97%
Lovex S065
<<locked>>
84%
57087
89%
**77
100%
Lovex S070
<<locked>>
85%
57145
90%
**00
100%
Lovex S071
<<locked>>
97%
54346
85%
**74
100%
Norma 204
<<locked>>
86%
57305
90%
**46
100%
Norma 217
<<locked>>
97%
38072
60%
**65
99%
Norma MRP
<<locked>>
91%
57348
90%
**18
100%
Norma URP
<<locked>>
86%
57261
90%
**23
100%
Ramshot Grand 👍
<<locked>>
90%
57348
90%
**18
100%
Ramshot Hunter
<<locked>>
86%
56985
89%
**46
100%
Ramshot Magnum
<<locked>>
94%
57261
90%
**75
100%
ReloadSwiss RS 14
<<locked>>
96%
36332
57%
**68
100%
ReloadSwiss RS 62
<<locked>>
85%
57188
90%
**39
100%
ReloadSwiss RS 70
<<locked>>
85%
56695
89%
**75
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
52939
83%
**31
100%
ReloadSwiss RS 80
<<locked>>
97%
47776
75%
**30
98%
Rottweil R 904
<<locked>>
90%
57072
89%
**26
100%
Rottweil R 905
<<locked>>
91%
57087
89%
**59
100%
Rottweil R 907
<<locked>>
84%
57130
90%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57319
90%
**51
100%
Shooters World Long Rifle
<<locked>>
84%
57087
89%
**77
100%
Somchem S361
<<locked>>
89%
57305
90%
**00
99%
Somchem S365
<<locked>>
87%
57101
89%
**13
100%
Somchem S385
<<locked>>
90%
57000
89%
**26
100%
Vihtavuori N150
<<locked>>
86%
57305
90%
**28
100%
Vihtavuori N160
<<locked>>
83%
57392
90%
**93
100%
Vihtavuori N165
<<locked>>
96%
56739
89%
**10
100%
[Vihtavuori N170]*
<<locked>>
97%
44411
70%
**52
93%
Vihtavuori N550
<<locked>>
83%
57246
90%
**20
100%
Vihtavuori N555
<<locked>>
91%
57159
90%
**43
100%
Vihtavuori N560 👍
<<locked>>
93%
56855
89%
**21
100%
Vihtavuori N565
<<locked>>
97%
55970
88%
**82
100%
Vihtavuori N568
<<locked>>
97%
49110
77%
**36
98%
Vihtavuori N570
<<locked>>
97%
46992
74%
**30
95%
Winchester 6.5 StaBALL
<<locked>>
85%
57058
89%
**61
100%
Winchester StaBALL HD
<<locked>>
95%
57014
89%
**41
100%
Winchester Supreme 780
<<locked>>
90%
56840
89%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42119
66%
**36
98%
ADI AR 2213
<<locked>>
81%
37550
59%
**77
96%
[ADI AR 2217]*
<<locked>>
81%
27992
44%
**44
91%
[ADI AR 2218]*
<<locked>>
94%
36956
58%
**10
90%
[ADI AR 2225]*
<<locked>>
81%
25411
40%
**14
93%
Accurate 3100
<<locked>>
81%
37942
59%
**24
99%
Accurate 4350
<<locked>>
81%
50618
79%
**31
100%
[Accurate MAGPRO]*
<<locked>>
81%
36666
57%
**74
94%
Alliant Reloder-16
<<locked>>
81%
48341
76%
**34
100%
Alliant Reloder-19
<<locked>>
81%
42105
66%
**33
98%
Alliant Reloder-22
<<locked>>
81%
37855
59%
**90
98%
Alliant Reloder-23
<<locked>>
81%
36550
57%
**47
100%
Alliant Reloder-25
<<locked>>
81%
31676
50%
**88
99%
Alliant Reloder-26
<<locked>>
81%
40422
63%
**79
100%
[Alliant Reloder-33]*
<<locked>>
90%
33794
53%
**54
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
37434
59%
**08
92%
Bofors RP15
<<locked>>
81%
35143
55%
**31
97%
[Bofors RP30]*
<<locked>>
81%
28993
45%
**13
93%
Bofors RP5
<<locked>>
81%
37855
59%
**90
98%
Bofors RP7
<<locked>>
81%
52852
83%
**31
100%
[Hodgdon H1000]*
<<locked>>
81%
27992
44%
**44
91%
Hodgdon H4350
<<locked>>
81%
45672
72%
**43
99%
[Hodgdon H4831]*
<<locked>>
81%
35360
55%
**88
94%
Hodgdon H4831 SC
<<locked>>
81%
39392
62%
**67
96%
Hodgdon Hybrid 100V
<<locked>>
81%
45600
71%
**33
100%
Hodgdon LVR
<<locked>>
81%
52779
83%
**67
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25411
40%
**14
93%
Hodgdon Superperformance
<<locked>>
81%
52069
82%
**07
100%
Hodgdon TrailBoss
<<locked>>
90%
32634
51%
**83
100%
IMR 4350
<<locked>>
81%
48109
75%
**79
100%
IMR 4831
<<locked>>
81%
43743
69%
**20
100%
IMR 4955 Enduron
<<locked>>
81%
39537
62%
**38
96%
IMR 7828 SSC
<<locked>>
81%
38595
60%
**13
97%
[IMR 7977 Enduron]*
<<locked>>
89%
43221
68%
**64
90%
[IMR 8133 Enduron]*
<<locked>>
85%
26252
41%
**54
90%
Lovex S065
<<locked>>
81%
51619
81%
**08
100%
Lovex S070
<<locked>>
81%
49937
78%
**05
100%
Lovex S071
<<locked>>
81%
32619
51%
**19
98%
Norma 204
<<locked>>
81%
48254
76%
**18
99%
[Norma 217]*
<<locked>>
81%
22742
36%
**55
90%
Norma MRP
<<locked>>
81%
39653
62%
**49
99%
Norma URP
<<locked>>
81%
49342
77%
**21
100%
Ramshot Grand
<<locked>>
81%
40103
63%
**56
97%
Ramshot Hunter
<<locked>>
81%
48211
76%
**21
100%
Ramshot Magnum
<<locked>>
81%
34940
55%
**28
98%
ReloadSwiss RS 14
<<locked>>
86%
31459
49%
**83
100%
ReloadSwiss RS 62
<<locked>>
81%
50531
79%
**51
100%
ReloadSwiss RS 70
<<locked>>
81%
48689
76%
**74
100%
ReloadSwiss RS 76
<<locked>>
81%
29863
47%
**78
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
28747
45%
**29
90%
Rottweil R 904
<<locked>>
81%
43453
68%
**13
98%
Rottweil R 905
<<locked>>
81%
41582
65%
**23
98%
Rottweil R 907
<<locked>>
81%
52852
83%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
50502
79%
**65
100%
Shooters World Long Rifle
<<locked>>
81%
51619
81%
**08
100%
Somchem S361
<<locked>>
81%
44063
69%
**03
97%
Somchem S365
<<locked>>
81%
46586
73%
**82
100%
Somchem S385
<<locked>>
81%
42018
66%
**03
99%
Vihtavuori N150
<<locked>>
81%
49327
77%
**29
100%
Vihtavuori N160
<<locked>>
81%
53098
83%
**34
100%
Vihtavuori N165
<<locked>>
81%
35404
55%
**72
97%
[Vihtavuori N170]*
<<locked>>
92%
37536
59%
**21
90%
Vihtavuori N550
<<locked>>
81%
53461
84%
**74
100%
Vihtavuori N555
<<locked>>
81%
40901
64%
**10
100%
Vihtavuori N560
<<locked>>
81%
37782
59%
**00
96%
[Vihtavuori N565]*
<<locked>>
81%
32692
51%
**82
94%
[Vihtavuori N568]*
<<locked>>
82%
29689
47%
**42
90%
[Vihtavuori N570]*
<<locked>>
88%
34780
54%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49893
78%
**72
100%
Winchester StaBALL HD
<<locked>>
81%
32619
51%
**83
100%
Winchester Supreme 780
<<locked>>
81%
41814
66%
**03
98%

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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