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

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

.338 Lapua 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 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.433" | 11.0mm
Shank Seated Depth:
0.433" | 11.0mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10854_C454
Last updated:
2025-02-02

Load data for 98 loads in caliber .338 Lapua Mag. with .338 | 250gr | Swift A-Frame bullet and 49 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
<<locked>>
88%
54650
90%
**03
100%
ADI AR 2213 👍
<<locked>>
91%
54621
90%
**46
99%
ADI AR 2217
<<locked>>
97%
49559
81%
**54
99%
[ADI AR 2218]*
<<locked>>
97%
43018
71%
**98
92%
ADI AR 2225
<<locked>>
97%
44802
74%
**35
100%
Accurate 3100
<<locked>>
90%
54737
90%
**48
100%
Accurate MAGPRO
<<locked>>
91%
54186
89%
**49
98%
Alliant Reloder-16
<<locked>>
84%
54795
90%
**00
100%
Alliant Reloder-19
<<locked>>
88%
54418
89%
**00
100%
Alliant Reloder-22 👍
<<locked>>
91%
54491
89%
**30
100%
Alliant Reloder-23
<<locked>>
92%
54824
90%
**94
100%
Alliant Reloder-25
<<locked>>
96%
54520
90%
**53
100%
Alliant Reloder-26
<<locked>>
88%
54346
89%
**66
100%
[Alliant Reloder-33]*
<<locked>>
97%
45847
75%
**61
94%
Hodgdon H1000
<<locked>>
97%
49559
81%
**54
99%
Hodgdon H4350
<<locked>>
86%
54737
90%
**48
100%
Hodgdon H4831
<<locked>>
93%
54795
90%
**87
99%
Hodgdon H4831 SC
<<locked>>
90%
54795
90%
**87
99%
Hodgdon Hybrid 100V
<<locked>>
85%
54708
90%
**21
100%
Hodgdon Retumbo
<<locked>>
97%
44802
74%
**35
100%
IMR 4350
<<locked>>
84%
54389
89%
**38
100%
IMR 4831
<<locked>>
87%
54607
90%
**44
100%
IMR 4955 Enduron
<<locked>>
91%
54781
90%
**54
99%
IMR 7828 SSC 👍
<<locked>>
90%
54418
89%
**46
99%
[IMR 7977 Enduron]*
<<locked>>
95%
54505
89%
**12
93%
IMR 8133 Enduron
<<locked>>
97%
40669
67%
**39
97%
Lovex S071
<<locked>>
95%
54418
89%
**44
100%
Norma 204
<<locked>>
84%
54824
90%
**84
100%
Norma 217
<<locked>>
97%
41075
67%
**75
99%
Norma MRP
<<locked>>
89%
54679
90%
**59
100%
Ramshot Hunter
<<locked>>
84%
54752
90%
**90
100%
Ramshot Magnum
<<locked>>
91%
54447
89%
**23
100%
ReloadSwiss RS 14
<<locked>>
97%
36956
61%
**99
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
54491
89%
**35
100%
ReloadSwiss RS 80
<<locked>>
97%
50299
83%
**36
98%
Rottweil R 904
<<locked>>
87%
54360
89%
**54
99%
Rottweil R 905
<<locked>>
88%
54708
90%
**00
100%
Somchem S361
<<locked>>
86%
54288
89%
**31
99%
Somchem S365
<<locked>>
84%
54723
90%
**57
100%
Somchem S385
<<locked>>
88%
54824
90%
**64
100%
Vihtavuori N150
<<locked>>
83%
54737
90%
**66
100%
Vihtavuori N165
<<locked>>
93%
54795
90%
**51
100%
[Vihtavuori N170]*
<<locked>>
97%
46847
77%
**49
93%
Vihtavuori N555
<<locked>>
88%
54433
89%
**74
100%
Vihtavuori N560 👍
<<locked>>
90%
54346
89%
**56
99%
Vihtavuori N565
<<locked>>
95%
54781
90%
**43
99%
Vihtavuori N568
<<locked>>
97%
52069
85%
**43
98%
Vihtavuori N570
<<locked>>
97%
49559
81%
**33
95%
Winchester StaBALL HD
<<locked>>
93%
54505
89%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43932
72%
**26
98%
ADI AR 2213
<<locked>>
81%
39610
65%
**64
96%
[ADI AR 2217]*
<<locked>>
81%
30052
49%
**31
91%
[ADI AR 2218]*
<<locked>>
95%
39827
65%
**20
90%
[ADI AR 2225]*
<<locked>>
81%
27485
45%
**01
93%
Accurate 3100
<<locked>>
81%
40799
67%
**25
99%
[Accurate MAGPRO]*
<<locked>>
81%
39131
64%
**67
94%
Alliant Reloder-16
<<locked>>
81%
50401
83%
**38
100%
Alliant Reloder-19
<<locked>>
81%
44077
72%
**20
98%
Alliant Reloder-22
<<locked>>
81%
40118
66%
**80
97%
Alliant Reloder-23
<<locked>>
81%
38653
63%
**34
100%
Alliant Reloder-25
<<locked>>
81%
33736
55%
**69
99%
Alliant Reloder-26
<<locked>>
81%
43004
71%
**82
100%
[Alliant Reloder-33]*
<<locked>>
90%
36738
60%
**57
90%
[Hodgdon H1000]*
<<locked>>
81%
30052
49%
**31
91%
Hodgdon H4350
<<locked>>
81%
47616
78%
**36
99%
[Hodgdon H4831]*
<<locked>>
81%
37289
61%
**69
94%
Hodgdon H4831 SC
<<locked>>
81%
41379
68%
**57
96%
Hodgdon Hybrid 100V
<<locked>>
81%
47892
79%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27485
45%
**01
93%
IMR 4350
<<locked>>
81%
49864
82%
**66
100%
IMR 4831
<<locked>>
81%
45977
75%
**10
100%
IMR 4955 Enduron
<<locked>>
81%
41147
68%
**18
96%
IMR 7828 SSC
<<locked>>
81%
40596
67%
**03
96%
[IMR 7977 Enduron]*
<<locked>>
90%
46035
76%
**67
90%
[IMR 8133 Enduron]*
<<locked>>
84%
27789
46%
**15
90%
Lovex S071
<<locked>>
81%
35346
58%
**10
98%
Norma 204
<<locked>>
81%
50401
83%
**15
99%
[Norma 217]*
<<locked>>
81%
25077
41%
**42
91%
Norma MRP
<<locked>>
81%
42192
69%
**46
99%
Ramshot Hunter
<<locked>>
81%
50386
83%
**25
100%
Ramshot Magnum
<<locked>>
81%
37405
61%
**25
98%
ReloadSwiss RS 14
<<locked>>
91%
34301
56%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
32068
53%
**65
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
31038
51%
**20
90%
Rottweil R 904
<<locked>>
81%
45266
74%
**03
98%
Rottweil R 905
<<locked>>
81%
43598
72%
**10
98%
Somchem S361
<<locked>>
81%
46195
76%
**93
97%
Somchem S365
<<locked>>
81%
48762
80%
**79
100%
Somchem S385
<<locked>>
81%
44411
73%
**93
99%
Vihtavuori N150
<<locked>>
81%
51619
85%
**20
100%
Vihtavuori N165
<<locked>>
81%
37608
62%
**56
97%
[Vihtavuori N170]*
<<locked>>
92%
40045
66%
**18
90%
Vihtavuori N555
<<locked>>
81%
43453
71%
**07
100%
Vihtavuori N560
<<locked>>
81%
39972
66%
**97
96%
[Vihtavuori N565]*
<<locked>>
81%
35288
58%
**72
94%
[Vihtavuori N568]*
<<locked>>
83%
32184
53%
**36
90%
[Vihtavuori N570]*
<<locked>>
88%
37376
61%
**84
90%
Winchester StaBALL HD
<<locked>>
81%
35462
58%
**84
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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