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Load data for .338 Rem. Ultra Mag + .338 | 250gr | Lehigh Defense Controlled Fracturing

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

.338 Rem. Ultra Mag + .338 | 250gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
2338250SP
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.700" | 43.2mm
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:
0.914" | 23.2mm
Shank Seated Depth:
0.738" | 18.7mm
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_B11076_C459
Last updated:
2025-11-05
Recommended Twist Rate:
1:11 - 1:9

Load data for 146 loads in caliber .338 Rem. Ultra Mag with .338 | 250gr | Lehigh Defense Controlled Fracturing bullet and 73 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%
56971
89%
**59
100%
ADI AR 2209 👍
<<locked>>
94%
57421
90%
**61
100%
ADI AR 2213
<<locked>>
97%
55579
87%
**67
99%
ADI AR 2217
<<locked>>
97%
40611
64%
**15
95%
ADI AR 2225
<<locked>>
97%
36216
57%
**85
97%
Accurate 2700
<<locked>>
85%
57290
90%
**43
100%
Accurate 3100
<<locked>>
97%
55608
87%
**92
100%
Accurate 4350
<<locked>>
89%
56956
89%
**18
100%
Accurate MAGPRO
<<locked>>
97%
54505
85%
**74
97%
Alliant Reloder- TS 15.5
<<locked>>
83%
57029
89%
**66
100%
Alliant Reloder-16
<<locked>>
91%
57348
90%
**64
100%
Alliant Reloder-17
<<locked>>
86%
57029
89%
**54
100%
Alliant Reloder-19 👍
<<locked>>
95%
57145
90%
**61
100%
Alliant Reloder-22
<<locked>>
97%
55129
86%
**71
100%
Alliant Reloder-23
<<locked>>
97%
52083
82%
**92
100%
Alliant Reloder-25
<<locked>>
97%
45179
71%
**43
100%
Alliant Reloder-26
<<locked>>
95%
57116
90%
**36
100%
Hodgdon H1000
<<locked>>
97%
40611
64%
**15
95%
Hodgdon H414
<<locked>>
85%
57014
89%
**48
100%
Hodgdon H4350
<<locked>>
92%
56913
89%
**98
100%
Hodgdon H4831
<<locked>>
97%
51227
80%
**56
97%
Hodgdon H4831 SC
<<locked>>
96%
56782
89%
**31
98%
Hodgdon Hybrid 100V
<<locked>>
92%
56826
89%
**79
100%
Hodgdon LVR
<<locked>>
87%
56797
89%
**21
100%
Hodgdon Retumbo
<<locked>>
97%
36216
57%
**85
97%
Hodgdon Superperformance
<<locked>>
87%
56695
89%
**71
100%
Hodgdon VARGET
<<locked>>
84%
56971
89%
**59
100%
IMR 4064
<<locked>>
84%
57232
90%
**52
100%
IMR 4166 Enduron
<<locked>>
85%
57101
89%
**59
100%
IMR 4350
<<locked>>
90%
56927
89%
**98
100%
IMR 4451 Enduron
<<locked>>
86%
57130
90%
**85
100%
IMR 4831
<<locked>>
94%
56623
89%
**98
100%
IMR 4955 Enduron
<<locked>>
97%
56710
89%
**98
98%
IMR 7828 SSC
<<locked>>
97%
56768
89%
**00
99%
[IMR 8133 Enduron]*
<<locked>>
97%
31908
50%
**83
92%
Lovex S065
<<locked>>
88%
56782
89%
**72
100%
Lovex S070
<<locked>>
89%
57406
90%
**95
100%
Lovex S071
<<locked>>
97%
46180
72%
**54
100%
Norma 204 👍
<<locked>>
90%
56782
89%
**28
99%
Norma 217
<<locked>>
97%
31995
50%
**10
95%
Norma MRP 👍
<<locked>>
96%
57014
89%
**20
100%
Norma URP
<<locked>>
90%
57159
90%
**21
100%
Ramshot Hunter
<<locked>>
90%
56652
89%
**41
100%
Ramshot Magnum
<<locked>>
97%
53534
84%
**28
100%
ReloadSwiss RS 60
<<locked>>
87%
57174
90%
**80
100%
ReloadSwiss RS 62
<<locked>>
89%
57029
89%
**38
100%
ReloadSwiss RS 70
<<locked>>
90%
57261
90%
**90
100%
ReloadSwiss RS 76
<<locked>>
97%
44019
69%
**79
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
39436
62%
**64
94%
Rottweil R 903
<<locked>>
84%
56971
89%
**62
100%
Rottweil R 904
<<locked>>
93%
56855
89%
**05
99%
Rottweil R 905 👍
<<locked>>
95%
57421
90%
**54
100%
Rottweil R 907
<<locked>>
87%
56826
89%
**75
100%
SNPE Vectan SP 11
<<locked>>
84%
56927
89%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57435
90%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57130
90%
**39
100%
Shooters World Long Rifle
<<locked>>
88%
56782
89%
**72
100%
Somchem S355
<<locked>>
85%
57406
90%
**66
100%
Somchem S361
<<locked>>
93%
56985
89%
**79
98%
Somchem S365
<<locked>>
91%
56884
89%
**21
100%
Somchem S385
<<locked>>
95%
57000
89%
**21
100%
Vihtavuori N135
<<locked>>
86%
56637
89%
**70
100%
Vihtavuori N150
<<locked>>
90%
57203
90%
**26
100%
Vihtavuori N160
<<locked>>
87%
56884
89%
**82
100%
Vihtavuori N165
<<locked>>
97%
51314
80%
**33
99%
Vihtavuori N550
<<locked>>
87%
56927
89%
**25
100%
Vihtavuori N555
<<locked>>
96%
57319
90%
**54
100%
Vihtavuori N560
<<locked>>
97%
55187
86%
**87
98%
Vihtavuori N565
<<locked>>
97%
47384
74%
**52
97%
[Vihtavuori N568]*
<<locked>>
97%
40944
64%
**77
94%
Winchester 6.5 StaBALL
<<locked>>
89%
57058
89%
**59
100%
Winchester 760
<<locked>>
85%
57014
89%
**48
100%
Winchester StaBALL HD
<<locked>>
97%
48907
77%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52417
82%
**03
100%
ADI AR 2209
<<locked>>
81%
36680
57%
**16
95%
[ADI AR 2213]*
<<locked>>
81%
32706
51%
**41
92%
[ADI AR 2217]*
<<locked>>
88%
30690
48%
**78
90%
[ADI AR 2225]*
<<locked>>
86%
25527
40%
**80
90%
Accurate 2700
<<locked>>
81%
50372
79%
**48
99%
Accurate 3100
<<locked>>
81%
32242
51%
**95
97%
Accurate 4350
<<locked>>
81%
43598
68%
**28
100%
[Accurate MAGPRO]*
<<locked>>
83%
34040
53%
**00
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53127
83%
**16
100%
Alliant Reloder-16
<<locked>>
81%
41945
66%
**38
100%
Alliant Reloder-17
<<locked>>
81%
48399
76%
**46
100%
Alliant Reloder-19
<<locked>>
81%
36492
57%
**13
95%
[Alliant Reloder-22]*
<<locked>>
81%
32387
51%
**51
94%
Alliant Reloder-23
<<locked>>
81%
31082
49%
**31
99%
Alliant Reloder-25
<<locked>>
81%
27180
43%
**36
95%
Alliant Reloder-26
<<locked>>
81%
33591
53%
**43
99%
[Hodgdon H1000]*
<<locked>>
88%
30690
48%
**78
90%
Hodgdon H414
<<locked>>
81%
49371
77%
**36
100%
Hodgdon H4350
<<locked>>
81%
40379
63%
**36
98%
[Hodgdon H4831]*
<<locked>>
81%
31154
49%
**65
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34258
54%
**41
92%
Hodgdon Hybrid 100V
<<locked>>
81%
39465
62%
**33
100%
Hodgdon LVR
<<locked>>
81%
46151
72%
**67
100%
[Hodgdon Retumbo]*
<<locked>>
86%
25527
40%
**80
90%
Hodgdon Superperformance
<<locked>>
81%
44817
70%
**93
99%
Hodgdon VARGET
<<locked>>
81%
51822
81%
**93
100%
IMR 4064
<<locked>>
81%
51387
81%
**77
100%
IMR 4166 Enduron
<<locked>>
81%
50183
79%
**61
100%
IMR 4350
<<locked>>
81%
42366
66%
**69
98%
IMR 4451 Enduron
<<locked>>
81%
48414
76%
**61
99%
IMR 4831
<<locked>>
81%
37869
59%
**16
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34896
55%
**24
93%
[IMR 7828 SSC]*
<<locked>>
81%
33199
52%
**70
92%
[IMR 8133 Enduron]*
<<locked>>
94%
29443
46%
**08
90%
Lovex S065
<<locked>>
81%
45963
72%
**15
100%
Lovex S070
<<locked>>
81%
44193
69%
**02
99%
Lovex S071
<<locked>>
81%
27862
44%
**93
95%
Norma 204
<<locked>>
81%
42351
66%
**11
97%
[Norma 217]*
<<locked>>
90%
25512
40%
**19
90%
Norma MRP
<<locked>>
81%
33576
53%
**13
96%
Norma URP
<<locked>>
81%
43105
68%
**18
100%
Ramshot Hunter
<<locked>>
81%
41901
66%
**15
99%
[Ramshot Magnum]*
<<locked>>
81%
29747
47%
**82
93%
ReloadSwiss RS 60
<<locked>>
81%
46630
73%
**39
100%
ReloadSwiss RS 62
<<locked>>
81%
43497
68%
**44
100%
ReloadSwiss RS 70
<<locked>>
81%
41930
66%
**64
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
25933
41%
**19
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
32808
51%
**03
90%
Rottweil R 903
<<locked>>
81%
50952
80%
**87
100%
Rottweil R 904
<<locked>>
81%
38058
60%
**97
95%
Rottweil R 905
<<locked>>
81%
35781
56%
**00
95%
Rottweil R 907
<<locked>>
81%
47036
74%
**31
99%
SNPE Vectan SP 11
<<locked>>
81%
52315
82%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51576
81%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44976
70%
**69
99%
Shooters World Long Rifle
<<locked>>
81%
45963
72%
**15
100%
Somchem S355
<<locked>>
81%
50937
80%
**87
100%
[Somchem S361]*
<<locked>>
81%
38841
61%
**87
94%
Somchem S365
<<locked>>
81%
39682
62%
**79
100%
Somchem S385
<<locked>>
81%
36405
57%
**87
97%
Vihtavuori N135
<<locked>>
81%
49516
78%
**85
100%
Vihtavuori N150
<<locked>>
81%
43801
69%
**46
100%
Vihtavuori N160
<<locked>>
81%
46224
72%
**41
100%
[Vihtavuori N165]*
<<locked>>
81%
30632
48%
**52
94%
Vihtavuori N550
<<locked>>
81%
47021
74%
**87
100%
Vihtavuori N555
<<locked>>
81%
34867
55%
**00
99%
[Vihtavuori N560]*
<<locked>>
81%
32532
51%
**64
91%
[Vihtavuori N565]*
<<locked>>
83%
29515
46%
**88
90%
[Vihtavuori N568]*
<<locked>>
91%
34185
54%
**29
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43772
69%
**85
100%
Winchester 760
<<locked>>
81%
49371
77%
**36
100%
Winchester StaBALL HD
<<locked>>
81%
25730
40%
**34
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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