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

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.338 Blaser 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 Blaser Mag load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.553" | 14.0mm
Shank Seated Depth:
0.553" | 14.0mm
Case Capacity:
92.6 Grains of Water | 6.01 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10854_C446
Last updated:
2025-02-02

Load data for 144 loads in caliber .338 Blaser Mag with .338 | 250gr | Swift A-Frame bullet and 72 powders such as Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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>>
85%
54795
90%
**30
100%
ADI AR 2209
<<locked>>
96%
54273
89%
**18
98%
ADI AR 2213
<<locked>>
97%
49458
81%
**69
96%
[ADI AR 2225]*
<<locked>>
97%
32706
54%
**64
93%
Accurate 2700
<<locked>>
86%
54143
89%
**87
99%
Accurate 3100
<<locked>>
97%
49139
81%
**07
99%
Accurate 4350
<<locked>>
91%
54781
90%
**95
100%
[Accurate MAGPRO]*
<<locked>>
97%
47355
78%
**59
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
54157
89%
**36
100%
Alliant Reloder-16
<<locked>>
93%
54288
89%
**28
100%
Alliant Reloder-17
<<locked>>
88%
54578
90%
**48
100%
Alliant Reloder-19
<<locked>>
97%
54157
89%
**18
98%
Alliant Reloder-22
<<locked>>
97%
48327
79%
**72
97%
Alliant Reloder-23
<<locked>>
97%
46035
76%
**20
100%
Alliant Reloder-25
<<locked>>
97%
40582
67%
**61
99%
Alliant Reloder-26 👍
<<locked>>
97%
51474
84%
**87
100%
Hodgdon H380
<<locked>>
84%
54433
89%
**49
100%
Hodgdon H414
<<locked>>
87%
54215
89%
**08
99%
Hodgdon H4350
<<locked>>
94%
54215
89%
**56
99%
[Hodgdon H4831]*
<<locked>>
97%
45571
75%
**51
94%
Hodgdon H4831 SC
<<locked>>
97%
51634
85%
**52
96%
Hodgdon Hybrid 100V
<<locked>>
94%
54578
90%
**62
100%
Hodgdon LVR
<<locked>>
89%
54505
89%
**92
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32706
54%
**64
93%
Hodgdon Superperformance 👍
<<locked>>
90%
54012
89%
**44
99%
Hodgdon VARGET
<<locked>>
85%
54418
89%
**26
100%
IMR 4064
<<locked>>
85%
54128
89%
**07
100%
IMR 4166 Enduron
<<locked>>
86%
54433
89%
**07
99%
IMR 4350
<<locked>>
92%
54723
90%
**59
99%
IMR 4451 Enduron
<<locked>>
88%
54752
90%
**39
99%
IMR 4831
<<locked>>
96%
54810
90%
**85
100%
IMR 4955 Enduron
<<locked>>
97%
51314
84%
**16
96%
IMR 7828 SSC
<<locked>>
97%
50734
83%
**02
96%
Lovex S062
<<locked>>
83%
54679
90%
**07
100%
Lovex S065
<<locked>>
90%
54549
90%
**39
100%
Lovex S070
<<locked>>
91%
54491
89%
**52
99%
Lovex S071
<<locked>>
97%
41437
68%
**82
98%
Norma 203B
<<locked>>
83%
54766
90%
**56
100%
Norma 204
<<locked>>
92%
54462
89%
**98
98%
Norma MRP
<<locked>>
97%
51271
84%
**54
99%
Norma URP
<<locked>>
92%
54404
89%
**95
100%
Ramshot Hunter 👍
<<locked>>
92%
54244
89%
**12
100%
Ramshot Magnum
<<locked>>
97%
46760
77%
**33
98%
ReloadSwiss RS 50
<<locked>>
84%
54737
90%
**46
100%
ReloadSwiss RS 60
<<locked>>
89%
54172
89%
**57
100%
ReloadSwiss RS 62
<<locked>>
91%
54491
89%
**18
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
54389
89%
**67
100%
ReloadSwiss RS 76
<<locked>>
97%
39189
64%
**57
96%
Rottweil R 903
<<locked>>
86%
54723
90%
**43
100%
Rottweil R 904
<<locked>>
95%
54534
90%
**69
97%
Rottweil R 905
<<locked>>
97%
53330
88%
**98
98%
Rottweil R 907
<<locked>>
89%
54766
90%
**39
99%
SNPE Vectan SP 11
<<locked>>
85%
54621
90%
**75
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54157
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
54592
90%
**97
99%
Shooters World Long Rifle
<<locked>>
90%
54549
90%
**39
100%
Shooters World Precision
<<locked>>
83%
54679
90%
**07
100%
Somchem S355
<<locked>>
86%
54723
90%
**36
100%
Somchem S361
<<locked>>
94%
54447
89%
**39
96%
Somchem S365
<<locked>>
94%
54795
90%
**18
100%
Somchem S385
<<locked>>
97%
54317
89%
**85
99%
Vihtavuori N135
<<locked>>
87%
54346
89%
**51
100%
Vihtavuori N150
<<locked>>
91%
54592
90%
**00
100%
Vihtavuori N160
<<locked>>
89%
54549
90%
**56
100%
Vihtavuori N165
<<locked>>
97%
45194
74%
**38
97%
Vihtavuori N550
<<locked>>
89%
54520
90%
**02
100%
Vihtavuori N555 👍
<<locked>>
97%
51503
85%
**89
100%
Vihtavuori N560
<<locked>>
97%
48965
80%
**98
96%
[Vihtavuori N565]*
<<locked>>
97%
41423
68%
**51
94%
Winchester 6.5 StaBALL
<<locked>>
91%
54186
89%
**39
100%
Winchester 760
<<locked>>
87%
54215
89%
**08
99%
Winchester StaBALL HD
<<locked>>
97%
39465
65%
**72
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48269
79%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
33663
55%
**24
92%
[ADI AR 2213]*
<<locked>>
86%
34882
57%
**74
90%
[ADI AR 2225]*
<<locked>>
93%
29080
48%
**65
90%
Accurate 2700
<<locked>>
81%
46528
76%
**72
98%
[Accurate 3100]*
<<locked>>
81%
29646
49%
**33
94%
Accurate 4350
<<locked>>
81%
39827
65%
**56
99%
[Accurate MAGPRO]*
<<locked>>
90%
38624
63%
**88
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48820
80%
**57
100%
Alliant Reloder-16
<<locked>>
81%
38130
63%
**56
99%
Alliant Reloder-17
<<locked>>
81%
43018
71%
**67
100%
[Alliant Reloder-19]*
<<locked>>
81%
33547
55%
**31
92%
[Alliant Reloder-22]*
<<locked>>
81%
29776
49%
**72
90%
Alliant Reloder-23
<<locked>>
81%
28558
47%
**56
98%
[Alliant Reloder-25]*
<<locked>>
81%
25469
42%
**54
91%
Alliant Reloder-26
<<locked>>
81%
30589
50%
**64
96%
Hodgdon H380
<<locked>>
81%
49821
82%
**80
100%
Hodgdon H414
<<locked>>
81%
44730
73%
**57
98%
Hodgdon H4350
<<locked>>
81%
37246
61%
**57
95%
[Hodgdon H4831]*
<<locked>>
88%
35288
58%
**47
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
35143
58%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36114
59%
**67
99%
Hodgdon LVR
<<locked>>
81%
41989
69%
**88
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29080
48%
**65
90%
Hodgdon Superperformance
<<locked>>
81%
40321
66%
**08
97%
Hodgdon VARGET
<<locked>>
81%
47921
79%
**28
100%
IMR 4064
<<locked>>
81%
47500
78%
**11
100%
IMR 4166 Enduron
<<locked>>
81%
46499
76%
**88
98%
IMR 4350
<<locked>>
81%
38957
64%
**93
96%
IMR 4451 Enduron
<<locked>>
81%
44875
74%
**85
98%
IMR 4831
<<locked>>
81%
34708
57%
**41
98%
[IMR 4955 Enduron]*
<<locked>>
83%
33924
56%
**85
90%
[IMR 7828 SSC]*
<<locked>>
85%
34418
56%
**74
90%
Lovex S062
<<locked>>
81%
51184
84%
**64
100%
Lovex S065
<<locked>>
81%
42656
70%
**43
99%
Lovex S070
<<locked>>
81%
40669
67%
**26
97%
[Lovex S071]*
<<locked>>
81%
25846
42%
**28
92%
Norma 203B
<<locked>>
81%
51401
84%
**07
100%
[Norma 204]*
<<locked>>
81%
38363
63%
**20
94%
[Norma MRP]*
<<locked>>
81%
30705
50%
**28
93%
Norma URP
<<locked>>
81%
39131
64%
**43
99%
Ramshot Hunter
<<locked>>
81%
37898
62%
**36
97%
[Ramshot Magnum]*
<<locked>>
83%
29109
48%
**46
90%
ReloadSwiss RS 50
<<locked>>
81%
49487
81%
**67
99%
ReloadSwiss RS 60
<<locked>>
81%
41800
69%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
39117
64%
**72
99%
ReloadSwiss RS 70
<<locked>>
81%
37942
62%
**79
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29530
48%
**98
90%
Rottweil R 903
<<locked>>
81%
46673
77%
**21
100%
[Rottweil R 904]*
<<locked>>
81%
35041
58%
**18
91%
[Rottweil R 905]*
<<locked>>
81%
32721
54%
**15
92%
Rottweil R 907
<<locked>>
81%
43511
71%
**59
97%
SNPE Vectan SP 11
<<locked>>
81%
47311
78%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47645
78%
**26
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41713
68%
**93
97%
Shooters World Long Rifle
<<locked>>
81%
42656
70%
**43
99%
Shooters World Precision
<<locked>>
81%
51184
84%
**64
100%
Somchem S355
<<locked>>
81%
47108
77%
**28
100%
[Somchem S361]*
<<locked>>
81%
35708
59%
**11
91%
Somchem S365
<<locked>>
81%
35447
58%
**10
100%
[Somchem S385]*
<<locked>>
81%
33388
55%
**11
94%
Vihtavuori N135
<<locked>>
81%
45861
75%
**33
100%
Vihtavuori N150
<<locked>>
81%
40669
67%
**93
100%
Vihtavuori N160
<<locked>>
81%
41974
69%
**65
99%
[Vihtavuori N165]*
<<locked>>
81%
28311
46%
**73
90%
Vihtavuori N550
<<locked>>
81%
42946
70%
**15
99%
Vihtavuori N555
<<locked>>
81%
31647
52%
**24
98%
[Vihtavuori N560]*
<<locked>>
86%
34693
57%
**00
90%
[Vihtavuori N565]*
<<locked>>
90%
33228
55%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39508
65%
**16
100%
Winchester 760
<<locked>>
81%
44730
73%
**57
98%
Winchester StaBALL HD
<<locked>>
81%
25628
42%
**46
97%

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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