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Load data for .338 Rem. Ultra Mag + .338 | 285gr | Hornady A-MAX

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Vihtavuori N560

.338 Rem. Ultra Mag + .338 | 285gr | Hornady A-MAX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 285gr | Hornady A-MAX
Manufacturer SKU:
3338
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.824" | 46.3mm
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:
1.038" | 26.4mm
Shank Seated Depth:
0.858" | 21.8mm
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_B2757_C459
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 136 loads in caliber .338 Rem. Ultra Mag with .338 | 285gr | Hornady A-MAX bullet and 68 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, 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".

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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 2209
<<locked>>
92%
56739
89%
**93
100%
ADI AR 2213 👍
<<locked>>
95%
57029
89%
**39
100%
ADI AR 2217
<<locked>>
97%
43888
69%
**43
98%
ADI AR 2225
<<locked>>
97%
38986
61%
**10
99%
Accurate 3100
<<locked>>
95%
56956
89%
**48
100%
Accurate 4350
<<locked>>
86%
57000
89%
**48
100%
Accurate MAGPRO
<<locked>>
96%
57188
90%
**56
99%
Alliant Reloder-16
<<locked>>
88%
57348
90%
**90
100%
Alliant Reloder-17
<<locked>>
83%
57188
90%
**84
100%
Alliant Reloder-19
<<locked>>
93%
57290
90%
**00
100%
Alliant Reloder-22 👍
<<locked>>
95%
57000
89%
**33
100%
Alliant Reloder-23
<<locked>>
97%
57014
89%
**80
100%
Alliant Reloder-25
<<locked>>
97%
49661
78%
**54
100%
Alliant Reloder-26
<<locked>>
93%
57276
90%
**62
100%
[Alliant Reloder-33]*
<<locked>>
97%
39697
62%
**29
93%
Hodgdon H1000
<<locked>>
97%
43888
69%
**43
98%
Hodgdon H414
<<locked>>
83%
57319
90%
**84
100%
Hodgdon H4350
<<locked>>
90%
57348
90%
**38
100%
Hodgdon H4831
<<locked>>
97%
55419
87%
**64
99%
Hodgdon H4831 SC
<<locked>>
94%
56826
89%
**77
99%
Hodgdon Hybrid 100V
<<locked>>
90%
56913
89%
**08
100%
Hodgdon LVR
<<locked>>
85%
57217
90%
**54
100%
Hodgdon Retumbo
<<locked>>
97%
38986
61%
**10
99%
Hodgdon Superperformance
<<locked>>
85%
56898
89%
**07
100%
IMR 4166 Enduron
<<locked>>
83%
57188
90%
**02
100%
IMR 4350
<<locked>>
88%
57363
90%
**38
100%
IMR 4451 Enduron
<<locked>>
84%
56797
89%
**18
100%
IMR 4831
<<locked>>
91%
56724
89%
**34
100%
IMR 4955 Enduron
<<locked>>
95%
56855
89%
**48
99%
IMR 7828 SSC 👍
<<locked>>
94%
57101
89%
**43
100%
[IMR 7977 Enduron]*
<<locked>>
97%
52112
82%
**43
93%
IMR 8133 Enduron
<<locked>>
97%
35186
55%
**31
96%
Lovex S065
<<locked>>
86%
57406
90%
**11
100%
Lovex S070
<<locked>>
87%
57305
90%
**38
100%
Lovex S071
<<locked>>
97%
50357
79%
**59
100%
Norma 204
<<locked>>
88%
57087
89%
**74
100%
Norma 217
<<locked>>
97%
35114
55%
**54
98%
Norma MRP 👍
<<locked>>
93%
57116
89%
**56
100%
Norma URP
<<locked>>
88%
57392
90%
**57
100%
Ramshot Hunter
<<locked>>
88%
57319
90%
**84
100%
Ramshot Magnum
<<locked>>
96%
56507
89%
**13
100%
ReloadSwiss RS 60
<<locked>>
84%
56724
89%
**97
100%
ReloadSwiss RS 62
<<locked>>
86%
57145
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
87%
57058
89%
**20
100%
ReloadSwiss RS 76
<<locked>>
97%
48240
76%
**03
100%
ReloadSwiss RS 80
<<locked>>
97%
43366
68%
**98
97%
Rottweil R 904
<<locked>>
92%
57334
90%
**61
100%
Rottweil R 905
<<locked>>
93%
57072
89%
**90
100%
Rottweil R 907
<<locked>>
85%
57334
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57261
90%
**85
100%
Shooters World Long Rifle
<<locked>>
86%
57406
90%
**11
100%
Somchem S361
<<locked>>
91%
57246
90%
**31
99%
Somchem S365
<<locked>>
89%
57130
90%
**48
100%
Somchem S385
<<locked>>
92%
56869
89%
**57
100%
Vihtavuori N135
<<locked>>
83%
56797
89%
**10
100%
Vihtavuori N150
<<locked>>
88%
57000
89%
**56
100%
Vihtavuori N160
<<locked>>
85%
56594
89%
**15
100%
Vihtavuori N165
<<locked>>
97%
55564
87%
**31
100%
[Vihtavuori N170]*
<<locked>>
97%
41147
64%
**38
91%
Vihtavuori N550
<<locked>>
85%
57087
89%
**61
100%
Vihtavuori N555
<<locked>>
94%
57217
90%
**80
100%
Vihtavuori N560 👍
<<locked>>
95%
57087
89%
**56
99%
Vihtavuori N565
<<locked>>
97%
51387
81%
**64
99%
Vihtavuori N568
<<locked>>
97%
44744
70%
**11
97%
[Vihtavuori N570]*
<<locked>>
97%
42873
67%
**92
94%
Winchester 6.5 StaBALL
<<locked>>
87%
57217
90%
**95
100%
Winchester 760
<<locked>>
83%
57319
90%
**84
100%
Winchester StaBALL HD
<<locked>>
97%
54244
85%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39624
62%
**31
98%
ADI AR 2213
<<locked>>
81%
35157
55%
**72
95%
[ADI AR 2217]*
<<locked>>
82%
27238
43%
**72
90%
[ADI AR 2225]*
<<locked>>
81%
23830
37%
**19
91%
Accurate 3100
<<locked>>
81%
35360
55%
**29
99%
Accurate 4350
<<locked>>
81%
47471
74%
**29
100%
[Accurate MAGPRO]*
<<locked>>
81%
34011
53%
**65
92%
Alliant Reloder-16
<<locked>>
81%
45455
71%
**39
100%
Alliant Reloder-17
<<locked>>
81%
52315
82%
**28
100%
Alliant Reloder-19
<<locked>>
81%
39552
62%
**28
98%
Alliant Reloder-22
<<locked>>
81%
35143
55%
**85
97%
Alliant Reloder-23
<<locked>>
81%
33924
53%
**52
100%
Alliant Reloder-25
<<locked>>
81%
29631
46%
**87
98%
Alliant Reloder-26
<<locked>>
81%
37043
58%
**77
100%
[Alliant Reloder-33]*
<<locked>>
93%
34519
54%
**15
90%
[Hodgdon H1000]*
<<locked>>
82%
27238
43%
**72
90%
Hodgdon H414
<<locked>>
81%
53301
84%
**31
100%
Hodgdon H4350
<<locked>>
81%
43395
68%
**44
99%
[Hodgdon H4831]*
<<locked>>
81%
33286
52%
**93
93%
Hodgdon H4831 SC
<<locked>>
81%
36854
58%
**65
95%
Hodgdon Hybrid 100V
<<locked>>
81%
42830
67%
**34
100%
Hodgdon LVR
<<locked>>
81%
49922
78%
**62
100%
[Hodgdon Retumbo]*
<<locked>>
81%
23830
37%
**19
91%
Hodgdon Superperformance
<<locked>>
81%
48704
76%
**98
100%
IMR 4166 Enduron
<<locked>>
81%
53200
83%
**52
100%
IMR 4350
<<locked>>
81%
45585
71%
**80
99%
IMR 4451 Enduron
<<locked>>
81%
51547
81%
**46
100%
IMR 4831
<<locked>>
81%
40988
64%
**21
100%
IMR 4955 Enduron
<<locked>>
81%
37144
58%
**39
95%
IMR 7828 SSC
<<locked>>
81%
35984
56%
**01
95%
[IMR 7977 Enduron]*
<<locked>>
91%
43918
69%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
87%
26078
41%
**01
90%
Lovex S065
<<locked>>
81%
49081
77%
**06
100%
Lovex S070
<<locked>>
81%
47326
74%
**03
100%
Lovex S071
<<locked>>
81%
30458
48%
**24
97%
Norma 204
<<locked>>
81%
45643
72%
**13
99%
[Norma 217]*
<<locked>>
83%
22829
36%
**16
90%
Norma MRP
<<locked>>
81%
36738
58%
**38
98%
Norma URP
<<locked>>
81%
46383
73%
**20
100%
Ramshot Hunter
<<locked>>
81%
45281
71%
**20
100%
Ramshot Magnum
<<locked>>
81%
32314
51%
**26
96%
ReloadSwiss RS 60
<<locked>>
81%
50575
79%
**25
100%
ReloadSwiss RS 62
<<locked>>
81%
47195
74%
**49
100%
ReloadSwiss RS 70
<<locked>>
81%
45339
71%
**65
100%
ReloadSwiss RS 76
<<locked>>
81%
27688
43%
**64
95%
[ReloadSwiss RS 80]*
<<locked>>
86%
29254
46%
**93
90%
Rottweil R 904
<<locked>>
81%
40944
64%
**15
97%
Rottweil R 905
<<locked>>
81%
38943
61%
**18
98%
Rottweil R 907
<<locked>>
81%
50154
79%
**29
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48211
76%
**64
100%
Shooters World Long Rifle
<<locked>>
81%
49081
77%
**06
100%
Somchem S361
<<locked>>
81%
41481
65%
**05
96%
Somchem S365
<<locked>>
81%
43482
68%
**83
100%
Somchem S385
<<locked>>
81%
39305
62%
**01
99%
Vihtavuori N135
<<locked>>
81%
52721
83%
**60
100%
Vihtavuori N150
<<locked>>
81%
46804
73%
**38
100%
Vihtavuori N160
<<locked>>
81%
50125
79%
**36
100%
Vihtavuori N165
<<locked>>
81%
33083
52%
**73
96%
[Vihtavuori N170]*
<<locked>>
94%
37898
59%
**75
90%
Vihtavuori N550
<<locked>>
81%
50488
79%
**79
100%
Vihtavuori N555
<<locked>>
81%
38087
60%
**08
100%
Vihtavuori N560
<<locked>>
81%
35273
55%
**98
95%
[Vihtavuori N565]*
<<locked>>
81%
30110
47%
**77
93%
[Vihtavuori N568]*
<<locked>>
85%
30037
47%
**00
90%
[Vihtavuori N570]*
<<locked>>
91%
35215
55%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46992
74%
**74
100%
Winchester 760
<<locked>>
81%
53301
84%
**31
100%
Winchester StaBALL HD
<<locked>>
81%
29457
46%
**75
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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