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Load data for .338 Norma Mag. + .338 | 250gr | Swift A-Frame

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.338 Norma Mag. + .338 | 250gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Swift A-Frame
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.335" | 33.9mm
Caliber:
.338 Norma Mag. load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.199" | 5.1mm
Shank Seated Depth:
0.199" | 5.1mm
Case Capacity:
105.4 Grains of Water | 6.84 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10854_C451
Last updated:
2025-02-02

Load data for 122 loads in caliber .338 Norma Mag. with .338 | 250gr | Swift A-Frame bullet and 61 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, 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".

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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
90%
89%
100%
ADI AR 2213
93%
90%
99%
ADI AR 2217
97%
75%
98%
ADI AR 2225
97%
67%
100%
Accurate 3100
93%
89%
100%
Accurate 4350
84%
89%
100%
Accurate MAGPRO
93%
90%
98%
Alliant Reloder-16
86%
90%
100%
Alliant Reloder-19
90%
90%
100%
Alliant Reloder-22
93%
89%
100%
Alliant Reloder-23
94%
90%
100%
Alliant Reloder-25
97%
84%
100%
Alliant Reloder-26
90%
89%
100%
Alliant Reloder-33
97%
70%
93%
Hodgdon H1000
97%
75%
98%
Hodgdon H4350
88%
89%
100%
Hodgdon H4831
96%
90%
99%
Hodgdon H4831 SC
92%
89%
99%
Hodgdon Hybrid 100V
88%
90%
100%
Hodgdon LVR
83%
90%
100%
Hodgdon Retumbo
97%
67%
100%
Hodgdon Superperformance
83%
89%
100%
IMR 4350
86%
90%
100%
IMR 4831
89%
89%
100%
IMR 4955 Enduron
93%
90%
99%
IMR 7828 SSC
92%
89%
99%
IMR 7977 Enduron
97%
87%
93%
IMR 8133 Enduron
97%
61%
96%
Lovex S065
84%
90%
100%
Lovex S070
85%
90%
100%
Lovex S071
97%
86%
100%
Norma 204
86%
90%
100%
Norma 217
97%
61%
98%
Norma MRP
91%
89%
100%
Norma URP
85%
90%
100%
Ramshot Hunter
86%
90%
100%
Ramshot Magnum
94%
90%
100%
ReloadSwiss RS 14
97%
58%
100%
ReloadSwiss RS 62
84%
90%
100%
ReloadSwiss RS 70
85%
90%
100%
ReloadSwiss RS 76
97%
83%
100%
ReloadSwiss RS 80
97%
76%
97%
Rottweil R 904
89%
89%
99%
Rottweil R 905
90%
89%
100%
Rottweil R 907
83%
90%
100%
SNPE Vectan Tubal 7000
84%
89%
100%
Shooters World Long Rifle
84%
90%
100%
Somchem S361
89%
90%
99%
Somchem S365
87%
89%
100%
Somchem S385
90%
89%
100%
Vihtavuori N150
86%
90%
100%
Vihtavuori N160
83%
90%
100%
Vihtavuori N165
95%
89%
100%
Vihtavuori N170
97%
70%
92%
Vihtavuori N555
91%
90%
100%
Vihtavuori N560
93%
90%
99%
Vihtavuori N565
97%
88%
99%
Vihtavuori N568
97%
77%
97%
Vihtavuori N570
97%
74%
94%
Winchester 6.5 StaBALL
85%
89%
100%
Winchester StaBALL HD
95%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42743
67%
**93
98%
ADI AR 2213
<<locked>>
81%
38174
60%
**21
95%
[ADI AR 2217]*
<<locked>>
81%
29356
46%
**95
90%
[ADI AR 2225]*
<<locked>>
81%
26498
42%
**52
92%
Accurate 3100
<<locked>>
81%
39392
62%
**85
99%
Accurate 4350
<<locked>>
81%
51532
81%
**02
100%
[Accurate MAGPRO]*
<<locked>>
81%
37652
59%
**21
93%
Alliant Reloder-16
<<locked>>
81%
48588
76%
**95
100%
Alliant Reloder-19
<<locked>>
81%
42685
67%
**87
98%
Alliant Reloder-22
<<locked>>
81%
38522
60%
**41
97%
Alliant Reloder-23
<<locked>>
81%
37463
59%
**08
100%
Alliant Reloder-25
<<locked>>
81%
32648
51%
**36
98%
Alliant Reloder-26
<<locked>>
81%
41234
65%
**39
100%
[Alliant Reloder-33]*
<<locked>>
92%
37565
59%
**67
90%
[Hodgdon H1000]*
<<locked>>
81%
29356
46%
**95
90%
Hodgdon H4350
<<locked>>
81%
46557
73%
**00
99%
[Hodgdon H4831]*
<<locked>>
81%
36201
57%
**36
94%
Hodgdon H4831 SC
<<locked>>
81%
40016
63%
**11
95%
Hodgdon Hybrid 100V
<<locked>>
81%
46325
73%
**90
100%
Hodgdon LVR
<<locked>>
81%
53171
83%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26498
42%
**52
92%
Hodgdon Superperformance
<<locked>>
81%
52417
82%
**74
100%
IMR 4350
<<locked>>
81%
48559
76%
**36
99%
IMR 4831
<<locked>>
81%
44280
69%
**74
100%
IMR 4955 Enduron
<<locked>>
81%
40074
63%
**85
95%
IMR 7828 SSC
<<locked>>
81%
39291
62%
**57
95%
[IMR 7977 Enduron]*
<<locked>>
92%
47427
74%
**77
90%
[IMR 8133 Enduron]*
<<locked>>
87%
28529
45%
**24
90%
Lovex S065
<<locked>>
81%
52504
82%
**72
100%
Lovex S070
<<locked>>
81%
50792
80%
**66
100%
Lovex S071
<<locked>>
81%
34185
54%
**74
98%
Norma 204
<<locked>>
81%
48820
77%
**72
99%
[Norma 217]*
<<locked>>
82%
24729
39%
**26
90%
Norma MRP
<<locked>>
81%
40451
63%
**07
99%
Norma URP
<<locked>>
81%
50140
79%
**82
100%
Ramshot Hunter
<<locked>>
81%
48762
76%
**85
100%
Ramshot Magnum
<<locked>>
81%
35998
56%
**82
97%
ReloadSwiss RS 14
<<locked>>
93%
34896
55%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
51488
81%
**21
100%
ReloadSwiss RS 70
<<locked>>
81%
49023
77%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
30850
48%
**23
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
31430
49%
**20
90%
Rottweil R 904
<<locked>>
81%
43874
69%
**64
97%
Rottweil R 905
<<locked>>
81%
42119
66%
**77
98%
Rottweil R 907
<<locked>>
81%
53403
84%
**98
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51169
80%
**20
100%
Shooters World Long Rifle
<<locked>>
81%
52504
82%
**72
100%
Somchem S361
<<locked>>
81%
44860
70%
**57
96%
Somchem S365
<<locked>>
81%
47471
74%
**46
100%
Somchem S385
<<locked>>
81%
42815
67%
**54
99%
Vihtavuori N150
<<locked>>
81%
50299
79%
**93
100%
Vihtavuori N160
<<locked>>
81%
53417
84%
**02
100%
Vihtavuori N165
<<locked>>
81%
36303
57%
**23
97%
[Vihtavuori N170]*
<<locked>>
94%
41118
64%
**28
90%
Vihtavuori N555
<<locked>>
81%
42235
66%
**80
100%
Vihtavuori N560
<<locked>>
81%
38682
61%
**57
95%
[Vihtavuori N565]*
<<locked>>
81%
33721
53%
**26
93%
[Vihtavuori N568]*
<<locked>>
84%
32590
51%
**39
90%
[Vihtavuori N570]*
<<locked>>
90%
38043
60%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50372
79%
**36
100%
Winchester StaBALL HD
<<locked>>
81%
33634
53%
**48
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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