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Load data for .338 Rem. Ultra Mag + .338 | 220gr | Atomic 29 HP

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.338 Rem. Ultra Mag + .338 | 220gr | Atomic 29 HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 220gr | Atomic 29 HP
Bullet Weight:
220gr | 14.3g
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_B12235_C459
Last updated:
2026-02-07

Load data for 164 loads in caliber .338 Rem. Ultra Mag with .338 | 220gr | Atomic 29 HP bullet and 82 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
85%
57305
90%
**40
100%
ADI AR 2209
<<locked>>
95%
57014
89%
**28
99%
ADI AR 2213
<<locked>>
97%
54215
85%
**15
98%
[ADI AR 2217]*
<<locked>>
97%
39639
62%
**33
94%
ADI AR 2225
<<locked>>
97%
35433
56%
**90
96%
Accurate 2700
<<locked>>
85%
57261
90%
**07
99%
Accurate 3100
<<locked>>
97%
54143
85%
**33
100%
Accurate 4350
<<locked>>
90%
57334
90%
**99
100%
Accurate MAGPRO
<<locked>>
97%
53040
83%
**15
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
57116
90%
**46
100%
Alliant Reloder-16
<<locked>>
91%
56826
89%
**28
100%
Alliant Reloder-17
<<locked>>
86%
56811
89%
**31
100%
Alliant Reloder-19
<<locked>>
95%
57334
90%
**25
99%
Alliant Reloder-22
<<locked>>
97%
53679
84%
**08
99%
Alliant Reloder-23
<<locked>>
97%
51358
80%
**49
100%
Alliant Reloder-25
<<locked>>
97%
44092
69%
**80
100%
Alliant Reloder-26 👍
<<locked>>
96%
56884
89%
**04
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
53447
84%
**20
94%
Bofors RP15
<<locked>>
97%
49255
77%
**40
98%
Bofors RP3
<<locked>>
83%
57130
90%
**49
100%
Bofors RP30
<<locked>>
97%
40509
63%
**05
95%
Bofors RP5
<<locked>>
97%
53679
84%
**08
99%
Bofors RP7
<<locked>>
88%
57072
89%
**49
100%
[Hodgdon H1000]*
<<locked>>
97%
39639
62%
**33
94%
Hodgdon H380
<<locked>>
83%
57058
89%
**59
100%
Hodgdon H414
<<locked>>
86%
57159
90%
**15
100%
Hodgdon H4350
<<locked>>
93%
56942
89%
**66
100%
Hodgdon H4831
<<locked>>
97%
50038
78%
**97
96%
Hodgdon H4831 SC
<<locked>>
97%
56768
89%
**92
98%
Hodgdon Hybrid 100V
<<locked>>
93%
56826
89%
**49
100%
Hodgdon LVR
<<locked>>
88%
57319
90%
**95
100%
Hodgdon Retumbo
<<locked>>
97%
35433
56%
**90
96%
Hodgdon Superperformance
<<locked>>
88%
57101
89%
**41
100%
Hodgdon VARGET
<<locked>>
85%
57305
90%
**40
100%
Hodgdon TrailBoss
<<locked>>
96%
34882
55%
**03
100%
IMR 4064
<<locked>>
85%
57406
90%
**33
100%
IMR 4166 Enduron
<<locked>>
86%
56956
89%
**30
100%
IMR 4350
<<locked>>
91%
57290
90%
**66
100%
IMR 4451 Enduron
<<locked>>
87%
57217
90%
**56
100%
IMR 4831
<<locked>>
95%
57319
90%
**82
100%
IMR 4955 Enduron
<<locked>>
97%
55550
87%
**43
97%
IMR 7828 SSC
<<locked>>
97%
56173
88%
**54
98%
Lovex S065
<<locked>>
89%
57217
90%
**49
100%
Lovex S070
<<locked>>
90%
56898
89%
**62
100%
Lovex S071
<<locked>>
97%
45092
71%
**95
99%
Norma 204 👍
<<locked>>
90%
57101
89%
**05
99%
[Norma 217]*
<<locked>>
97%
31125
49%
**15
93%
Norma MRP
<<locked>>
97%
57101
89%
**90
100%
Norma URP
<<locked>>
90%
57246
90%
**02
100%
Ramshot Grand
<<locked>>
95%
56811
89%
**74
99%
Ramshot Hunter 👍
<<locked>>
91%
56840
89%
**08
100%
Ramshot Magnum
<<locked>>
97%
52736
83%
**82
99%
ReloadSwiss RS 14
<<locked>>
96%
35723
56%
**42
100%
ReloadSwiss RS 50
<<locked>>
83%
56985
89%
**49
100%
ReloadSwiss RS 60
<<locked>>
85%
56913
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
90%
57392
90%
**15
100%
ReloadSwiss RS 70
<<locked>>
90%
57261
90%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
43047
67%
**00
98%
[ReloadSwiss RS 80]*
<<locked>>
97%
38885
61%
**82
92%
Rottweil R 903
<<locked>>
85%
57087
89%
**40
100%
Rottweil R 904
<<locked>>
94%
57435
90%
**82
98%
Rottweil R 905
<<locked>>
96%
57217
90%
**25
99%
Rottweil R 907
<<locked>>
88%
57072
89%
**49
100%
SNPE Vectan SP 11
<<locked>>
84%
57174
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57188
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57101
89%
**07
100%
Shooters World Long Rifle
<<locked>>
89%
57217
90%
**49
100%
Somchem S355
<<locked>>
85%
56840
89%
**33
100%
Somchem S361
<<locked>>
93%
56884
89%
**33
97%
Somchem S365
<<locked>>
92%
56637
89%
**89
100%
Somchem S385
<<locked>>
95%
56913
89%
**79
100%
Vihtavuori N135
<<locked>>
86%
56942
89%
**48
100%
Vihtavuori N150
<<locked>>
90%
56927
89%
**97
100%
Vihtavuori N160
<<locked>>
88%
56971
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
49922
78%
**67
99%
Vihtavuori N550
<<locked>>
88%
57043
89%
**95
100%
Vihtavuori N555 👍
<<locked>>
97%
57261
90%
**18
100%
Vihtavuori N560
<<locked>>
97%
53853
84%
**38
97%
Vihtavuori N565
<<locked>>
97%
46021
72%
**80
96%
Winchester 6.5 StaBALL
<<locked>>
89%
57145
90%
**26
100%
Winchester 760
<<locked>>
86%
57159
90%
**15
100%
Winchester StaBALL HD 👍
<<locked>>
97%
47065
74%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51401
81%
**54
100%
[ADI AR 2209]*
<<locked>>
81%
35781
56%
**41
94%
[ADI AR 2213]*
<<locked>>
82%
32982
52%
**85
90%
[ADI AR 2217]*
<<locked>>
91%
33359
52%
**75
90%
[ADI AR 2225]*
<<locked>>
89%
27760
43%
**74
90%
Accurate 2700
<<locked>>
81%
49647
78%
**89
98%
Accurate 3100
<<locked>>
81%
31343
49%
**13
95%
Accurate 4350
<<locked>>
81%
42496
67%
**66
100%
[Accurate MAGPRO]*
<<locked>>
87%
36985
58%
**07
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52185
82%
**77
100%
Alliant Reloder-16
<<locked>>
81%
40872
64%
**75
100%
Alliant Reloder-17
<<locked>>
81%
47050
74%
**97
100%
[Alliant Reloder-19]*
<<locked>>
81%
35636
56%
**38
94%
[Alliant Reloder-22]*
<<locked>>
81%
31444
49%
**72
92%
Alliant Reloder-23
<<locked>>
81%
30269
47%
**49
98%
[Alliant Reloder-25]*
<<locked>>
81%
26571
42%
**44
93%
Alliant Reloder-26
<<locked>>
81%
32619
51%
**64
97%
[Baschieri & Pellagri 109]*
<<locked>>
89%
41597
65%
**00
90%
[Bofors RP15]*
<<locked>>
81%
29283
46%
**06
90%
Bofors RP3
<<locked>>
81%
52721
83%
**90
100%
[Bofors RP30]*
<<locked>>
89%
31067
49%
**79
90%
[Bofors RP5]*
<<locked>>
81%
31444
49%
**72
92%
Bofors RP7
<<locked>>
81%
46093
72%
**75
98%
[Hodgdon H1000]*
<<locked>>
91%
33359
52%
**75
90%
Hodgdon H380
<<locked>>
81%
53345
84%
**07
100%
Hodgdon H414
<<locked>>
81%
48312
76%
**80
99%
Hodgdon H4350
<<locked>>
81%
39378
62%
**67
96%
[Hodgdon H4831]*
<<locked>>
85%
34098
53%
**75
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
34098
53%
**75
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38479
60%
**64
100%
Hodgdon LVR
<<locked>>
81%
45107
71%
**12
100%
[Hodgdon Retumbo]*
<<locked>>
89%
27760
43%
**74
90%
Hodgdon Superperformance
<<locked>>
81%
43584
68%
**28
98%
Hodgdon VARGET
<<locked>>
81%
50850
80%
**48
100%
Hodgdon TrailBoss
<<locked>>
90%
31937
50%
**44
100%
IMR 4064
<<locked>>
81%
50299
79%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
49385
77%
**12
99%
IMR 4350
<<locked>>
81%
41510
65%
**07
97%
IMR 4451 Enduron
<<locked>>
81%
47630
75%
**02
99%
IMR 4831
<<locked>>
81%
37043
58%
**48
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34084
53%
**43
91%
[IMR 7828 SSC]*
<<locked>>
81%
32967
52%
**95
90%
Lovex S065
<<locked>>
81%
44904
70%
**52
99%
Lovex S070
<<locked>>
81%
43221
68%
**43
98%
[Lovex S071]*
<<locked>>
81%
26977
42%
**95
93%
Norma 204
<<locked>>
81%
41336
65%
**39
96%
[Norma 217]*
<<locked>>
93%
27804
44%
**13
90%
[Norma MRP]*
<<locked>>
81%
32895
52%
**28
94%
Norma URP
<<locked>>
81%
41930
66%
**59
99%
[Ramshot Grand]*
<<locked>>
81%
33388
52%
**11
91%
Ramshot Hunter
<<locked>>
81%
40857
64%
**56
98%
[Ramshot Magnum]*
<<locked>>
81%
29051
46%
**90
91%
ReloadSwiss RS 14
<<locked>>
85%
30414
48%
**40
100%
ReloadSwiss RS 50
<<locked>>
81%
52982
83%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
49922
78%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
42438
67%
**82
99%
ReloadSwiss RS 70
<<locked>>
81%
41002
64%
**95
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28123
44%
**10
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
35491
56%
**07
90%
Rottweil R 903
<<locked>>
81%
49792
78%
**44
100%
[Rottweil R 904]*
<<locked>>
81%
37246
58%
**28
93%
[Rottweil R 905]*
<<locked>>
81%
34824
55%
**15
94%
Rottweil R 907
<<locked>>
81%
46093
72%
**75
98%
SNPE Vectan SP 11
<<locked>>
81%
51155
80%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50459
79%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44034
69%
**07
98%
Shooters World Long Rifle
<<locked>>
81%
44904
70%
**52
99%
Somchem S355
<<locked>>
81%
49748
78%
**38
100%
[Somchem S361]*
<<locked>>
81%
37956
59%
**11
92%
Somchem S365
<<locked>>
81%
38624
61%
**20
100%
Somchem S385
<<locked>>
81%
35375
55%
**08
95%
Vihtavuori N135
<<locked>>
81%
48443
76%
**43
100%
Vihtavuori N150
<<locked>>
81%
42772
67%
**93
100%
Vihtavuori N160
<<locked>>
81%
45310
71%
**89
100%
[Vihtavuori N165]*
<<locked>>
81%
29660
46%
**60
92%
Vihtavuori N550
<<locked>>
81%
46079
72%
**35
100%
Vihtavuori N555
<<locked>>
81%
33721
53%
**18
98%
[Vihtavuori N560]*
<<locked>>
83%
33678
53%
**28
90%
[Vihtavuori N565]*
<<locked>>
87%
32489
51%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42627
67%
**20
100%
Winchester 760
<<locked>>
81%
48312
76%
**80
99%
Winchester StaBALL HD
<<locked>>
81%
24540
38%
**33
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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