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Load data for .338 Win Mag. + .338 | 250gr | Nosler Partition SP

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.338 Win Mag. + .338 | 250gr | Nosler Partition SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Nosler Partition SP
Manufacturer SKU:
35644
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.375" | 34.9mm
Caliber:
.338 Win Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.585" | 14.9mm
Shank Seated Depth:
0.585" | 14.9mm
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B4147_C465
Last updated:
2025-02-02

Load data for 180 loads in caliber .338 Win Mag. with .338 | 250gr | Nosler Partition SP bullet and 90 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 25.4 fps

  • .

    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.

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 2206H
<<locked>>
84%
55637
89%
**16
100%
ADI AR 2208
<<locked>>
90%
55608
89%
**07
100%
ADI AR 2209
<<locked>>
97%
47892
77%
**77
96%
[ADI AR 2213]*
<<locked>>
97%
43221
69%
**15
93%
Accurate 2700
<<locked>>
91%
55883
90%
**77
98%
Accurate 3100
<<locked>>
97%
40596
65%
**46
97%
Accurate 4064
<<locked>>
88%
55347
89%
**87
100%
Accurate 4350
<<locked>>
96%
55506
89%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
56115
90%
**33
100%
Alliant Reloder-15
<<locked>>
87%
55158
88%
**33
100%
Alliant Reloder-16 👍
<<locked>>
97%
53824
86%
**89
100%
Alliant Reloder-17
<<locked>>
93%
56101
90%
**31
100%
Alliant Reloder-19
<<locked>>
97%
46920
75%
**67
96%
Alliant Reloder-22
<<locked>>
97%
41408
66%
**15
95%
Alliant Reloder-23
<<locked>>
97%
39204
63%
**82
100%
Alliant Reloder-25
<<locked>>
97%
34243
55%
**80
96%
Alliant Reloder-26
<<locked>>
97%
43033
69%
**13
99%
Baschieri & Pellagri 107
<<locked>>
84%
55753
89%
**43
100%
Hodgdon CFE223
<<locked>>
88%
55941
90%
**79
100%
Hodgdon H380
<<locked>>
89%
55825
90%
**36
100%
Hodgdon H414 👍
<<locked>>
92%
55361
89%
**92
99%
Hodgdon H4350
<<locked>>
97%
52446
84%
**93
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
45136
72%
**02
93%
Hodgdon Hybrid 100V
<<locked>>
97%
50691
81%
**84
100%
Hodgdon LVR
<<locked>>
94%
55695
89%
**72
100%
Hodgdon Superperformance
<<locked>>
95%
55579
89%
**28
99%
Hodgdon VARGET
<<locked>>
90%
55985
90%
**10
100%
IMR 3031
<<locked>>
86%
55361
89%
**90
100%
IMR 4064
<<locked>>
90%
55709
89%
**97
100%
IMR 4166 Enduron
<<locked>>
91%
56057
90%
**93
99%
IMR 4350
<<locked>>
97%
55230
89%
**26
99%
IMR 4451 Enduron
<<locked>>
92%
55695
89%
**16
99%
IMR 4831
<<locked>>
97%
47848
77%
**61
100%
IMR 4895
<<locked>>
87%
55941
90%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45194
72%
**75
93%
[IMR 7828 SSC]*
<<locked>>
97%
43627
70%
**31
93%
Lovex D073.6
<<locked>>
84%
55550
89%
**93
100%
Lovex S060
<<locked>>
85%
55593
89%
**61
100%
Lovex S062
<<locked>>
88%
55680
89%
**93
100%
Lovex S065
<<locked>>
95%
55999
90%
**20
100%
Lovex S070
<<locked>>
96%
55695
89%
**36
99%
Lovex S071
<<locked>>
97%
33910
54%
**15
95%
Norma 201
<<locked>>
85%
55869
90%
**84
100%
Norma 202
<<locked>>
85%
55637
89%
**74
100%
Norma 203B
<<locked>>
88%
55970
90%
**39
100%
Norma 204
<<locked>>
96%
55245
89%
**69
98%
Norma MRP
<<locked>>
97%
43337
69%
**84
97%
Norma URP
<<locked>>
97%
55448
89%
**79
100%
Ramshot Big Game
<<locked>>
87%
55927
90%
**59
100%
Ramshot Hunter
<<locked>>
97%
54476
87%
**85
99%
[Ramshot Magnum]*
<<locked>>
97%
39798
64%
**59
94%
Ramshot Wild Boar
<<locked>>
83%
56014
90%
**26
100%
ReloadSwiss RS 50
<<locked>>
88%
55361
89%
**16
99%
ReloadSwiss RS 52
<<locked>>
88%
55201
89%
**49
100%
ReloadSwiss RS 60
<<locked>>
94%
55912
90%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
55695
89%
**08
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
56014
90%
**48
100%
Rottweil R 902
<<locked>>
87%
55535
89%
**74
100%
Rottweil R 903
<<locked>>
91%
55637
89%
**30
100%
Rottweil R 904
<<locked>>
97%
49806
80%
**61
95%
Rottweil R 905
<<locked>>
97%
45643
73%
**48
96%
Rottweil R 907
<<locked>>
93%
55840
90%
**20
99%
SNPE Vectan SP 11
<<locked>>
90%
55680
89%
**59
100%
SNPE Vectan SP 7
<<locked>>
84%
55724
89%
**10
100%
SNPE Vectan SP 9
<<locked>>
85%
55941
90%
**20
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56014
90%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
55216
89%
**98
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
55709
89%
**74
99%
Shooters World Long Rifle
<<locked>>
95%
55999
90%
**20
100%
Shooters World Match Rifle
<<locked>>
84%
55550
89%
**93
100%
Shooters World Precision
<<locked>>
88%
55680
89%
**93
100%
Somchem S335
<<locked>>
85%
55927
90%
**15
100%
Somchem S341
<<locked>>
84%
56014
90%
**03
100%
Somchem S355
<<locked>>
91%
56014
90%
**26
100%
Somchem S361
<<locked>>
97%
51416
82%
**54
95%
Somchem S365
<<locked>>
97%
50314
81%
**36
100%
Somchem S385
<<locked>>
97%
46862
75%
**44
97%
Vihtavuori N133
<<locked>>
86%
55898
90%
**92
100%
Vihtavuori N135
<<locked>>
92%
55666
89%
**38
100%
Vihtavuori N140
<<locked>>
87%
55985
90%
**51
100%
Vihtavuori N150
<<locked>>
96%
55347
89%
**84
100%
Vihtavuori N160
<<locked>>
94%
55724
89%
**43
100%
[Vihtavuori N165]*
<<locked>>
97%
38827
62%
**93
94%
Vihtavuori N540
<<locked>>
87%
55622
89%
**77
100%
Vihtavuori N550
<<locked>>
94%
55274
89%
**75
100%
Vihtavuori N555
<<locked>>
97%
43236
69%
**41
100%
[Vihtavuori N560]*
<<locked>>
97%
41829
67%
**28
92%
Winchester 6.5 StaBALL
<<locked>>
96%
55738
89%
**30
100%
Winchester 760 👍
<<locked>>
92%
55361
89%
**92
99%
Winchester StaBALL HD
<<locked>>
97%
34940
56%
**95
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50198
80%
**41
100%
ADI AR 2208
<<locked>>
81%
42772
69%
**13
99%
[ADI AR 2209]*
<<locked>>
85%
32692
52%
**69
90%
[ADI AR 2213]*
<<locked>>
92%
37115
60%
**87
90%
Accurate 2700
<<locked>>
81%
40799
65%
**41
95%
[Accurate 3100]*
<<locked>>
81%
24381
39%
**82
90%
Accurate 4064
<<locked>>
81%
44295
71%
**36
100%
Accurate 4350
<<locked>>
81%
32996
53%
**05
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
42540
68%
**36
100%
Alliant Reloder-15
<<locked>>
81%
45629
73%
**95
100%
Alliant Reloder-16
<<locked>>
81%
33185
53%
**18
97%
Alliant Reloder-17
<<locked>>
81%
36985
59%
**26
99%
[Alliant Reloder-19]*
<<locked>>
84%
31401
50%
**52
90%
[Alliant Reloder-22]*
<<locked>>
88%
31517
51%
**98
90%
[Alliant Reloder-23]*
<<locked>>
81%
24004
38%
**98
94%
[Alliant Reloder-25]*
<<locked>>
88%
26281
42%
**57
90%
[Alliant Reloder-26]*
<<locked>>
81%
25208
40%
**73
91%
Baschieri & Pellagri 107
<<locked>>
81%
49734
80%
**61
100%
Hodgdon CFE223
<<locked>>
81%
44280
71%
**08
99%
Hodgdon H380
<<locked>>
81%
43468
70%
**52
99%
Hodgdon H414
<<locked>>
81%
38276
61%
**10
96%
[Hodgdon H4350]*
<<locked>>
81%
32024
51%
**23
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
37826
61%
**70
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30719
49%
**33
98%
Hodgdon LVR
<<locked>>
81%
36187
58%
**54
97%
[Hodgdon Superperformance]*
<<locked>>
81%
34330
55%
**47
93%
Hodgdon VARGET
<<locked>>
81%
42424
68%
**10
99%
IMR 3031
<<locked>>
81%
46775
75%
**79
100%
IMR 4064
<<locked>>
81%
42076
67%
**93
99%
IMR 4166 Enduron
<<locked>>
81%
41510
67%
**64
96%
[IMR 4350]*
<<locked>>
81%
33721
54%
**56
93%
IMR 4451 Enduron
<<locked>>
81%
39566
63%
**54
96%
IMR 4831
<<locked>>
81%
29095
47%
**00
95%
IMR 4895
<<locked>>
81%
46847
75%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
90%
36463
58%
**08
90%
[IMR 7828 SSC]*
<<locked>>
92%
37231
60%
**03
90%
Lovex D073.6
<<locked>>
81%
50096
80%
**21
100%
Lovex S060
<<locked>>
81%
49661
80%
**79
100%
Lovex S062
<<locked>>
81%
44831
72%
**39
100%
Lovex S065
<<locked>>
81%
36840
59%
**08
97%
Lovex S070
<<locked>>
81%
35172
56%
**92
95%
[Lovex S071]*
<<locked>>
86%
24468
39%
**85
90%
Norma 201
<<locked>>
81%
49110
79%
**95
100%
Norma 202
<<locked>>
81%
49705
80%
**95
100%
Norma 203B
<<locked>>
81%
45121
72%
**85
100%
[Norma 204]*
<<locked>>
81%
32880
53%
**69
91%
[Norma MRP]*
<<locked>>
84%
28848
46%
**52
90%
Norma URP
<<locked>>
81%
33243
53%
**05
97%
Ramshot Big Game
<<locked>>
81%
44918
72%
**02
100%
[Ramshot Hunter]*
<<locked>>
81%
32314
52%
**92
94%
[Ramshot Magnum]*
<<locked>>
91%
31662
51%
**82
90%
Ramshot Wild Boar
<<locked>>
81%
52127
84%
**77
100%
ReloadSwiss RS 50
<<locked>>
81%
43540
70%
**33
98%
ReloadSwiss RS 52
<<locked>>
81%
44135
71%
**95
100%
ReloadSwiss RS 60
<<locked>>
81%
35897
58%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
32692
52%
**18
96%
ReloadSwiss RS 70
<<locked>>
81%
32590
52%
**21
95%
Rottweil R 902
<<locked>>
81%
46789
75%
**52
100%
Rottweil R 903
<<locked>>
81%
40161
64%
**97
100%
[Rottweil R 904]*
<<locked>>
86%
35012
56%
**92
90%
[Rottweil R 905]*
<<locked>>
85%
30980
50%
**49
90%
Rottweil R 907
<<locked>>
81%
38218
61%
**28
95%
SNPE Vectan SP 11
<<locked>>
81%
41017
66%
**39
99%
SNPE Vectan SP 7
<<locked>>
81%
51053
82%
**48
100%
SNPE Vectan SP 9
<<locked>>
81%
48501
78%
**15
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50633
81%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42264
68%
**24
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
36245
58%
**62
95%
Shooters World Long Rifle
<<locked>>
81%
36840
59%
**08
97%
Shooters World Match Rifle
<<locked>>
81%
50096
80%
**21
100%
Shooters World Precision
<<locked>>
81%
44831
72%
**39
100%
Somchem S335
<<locked>>
81%
49792
80%
**39
100%
Somchem S341
<<locked>>
81%
50734
81%
**34
100%
Somchem S355
<<locked>>
81%
40596
65%
**93
100%
[Somchem S361]*
<<locked>>
87%
37231
60%
**11
90%
Somchem S365
<<locked>>
81%
29834
48%
**62
99%
[Somchem S385]*
<<locked>>
82%
28660
46%
**77
90%
Vihtavuori N133
<<locked>>
81%
47471
76%
**87
100%
Vihtavuori N135
<<locked>>
81%
39769
64%
**24
100%
Vihtavuori N140
<<locked>>
81%
46398
74%
**33
100%
Vihtavuori N150
<<locked>>
81%
34824
56%
**65
100%
Vihtavuori N160
<<locked>>
81%
35998
58%
**31
98%
[Vihtavuori N165]*
<<locked>>
88%
30008
48%
**93
90%
Vihtavuori N540
<<locked>>
81%
46064
74%
**56
100%
Vihtavuori N550
<<locked>>
81%
36767
59%
**74
98%
[Vihtavuori N555]*
<<locked>>
81%
25730
41%
**67
94%
[Vihtavuori N560]*
<<locked>>
93%
37130
60%
**29
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34287
55%
**85
99%
Winchester 760
<<locked>>
81%
38276
61%
**10
96%
[Winchester StaBALL HD]*
<<locked>>
81%
21364
34%
**49
90%

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.

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