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Load data for .338 Blaser Mag + .338 | 275gr | Swift A-Frame

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-26, Norma 204, Norma MRP, Ramshot Hunter

.338 Blaser Mag + .338 | 275gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | Swift A-Frame
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.435" | 36.4mm
Caliber:
.338 Blaser Mag load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.653" | 16.6mm
Shank Seated Depth:
0.653" | 16.6mm
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_B10855_C446
Last updated:
2025-02-02

Load data for 142 loads in caliber .338 Blaser Mag with .338 | 275gr | Swift A-Frame bullet and 71 powders such as Alliant Reloder-19, Alliant Reloder-26, Norma 204, Norma MRP, Ramshot Hunter. 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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  • .

    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 2208
<<locked>>
84%
54172
89%
**95
100%
ADI AR 2209
<<locked>>
95%
54099
89%
**90
99%
ADI AR 2213
<<locked>>
97%
51895
85%
**90
98%
[ADI AR 2217]*
<<locked>>
97%
38159
63%
**38
93%
ADI AR 2225
<<locked>>
97%
34490
57%
**21
96%
Accurate 2700
<<locked>>
85%
54752
90%
**79
99%
Accurate 3100
<<locked>>
97%
51648
85%
**18
100%
Accurate 4350
<<locked>>
89%
54143
89%
**61
100%
Accurate MAGPRO
<<locked>>
97%
50111
82%
**93
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
54549
90%
**05
100%
Alliant Reloder-16
<<locked>>
91%
54288
89%
**97
100%
Alliant Reloder-17
<<locked>>
86%
54505
89%
**07
100%
Alliant Reloder-19 👍
<<locked>>
95%
54578
90%
**97
99%
Alliant Reloder-22
<<locked>>
97%
51256
84%
**93
99%
Alliant Reloder-23
<<locked>>
97%
48646
80%
**34
100%
Alliant Reloder-25
<<locked>>
97%
42815
70%
**85
100%
Alliant Reloder-26 👍
<<locked>>
96%
54041
89%
**89
100%
[Hodgdon H1000]*
<<locked>>
97%
38159
63%
**38
93%
Hodgdon H414
<<locked>>
85%
54317
89%
**80
100%
Hodgdon H4350
<<locked>>
92%
54578
90%
**34
99%
Hodgdon H4831
<<locked>>
97%
48631
80%
**85
96%
Hodgdon H4831 SC
<<locked>>
97%
54433
89%
**74
97%
Hodgdon Hybrid 100V
<<locked>>
93%
54201
89%
**28
100%
Hodgdon LVR
<<locked>>
88%
54302
89%
**57
100%
Hodgdon Retumbo
<<locked>>
97%
34490
57%
**21
96%
Hodgdon Superperformance
<<locked>>
88%
54346
89%
**20
100%
Hodgdon VARGET
<<locked>>
84%
54549
90%
**98
100%
IMR 4064
<<locked>>
84%
54404
89%
**85
100%
IMR 4166 Enduron
<<locked>>
85%
54621
90%
**92
100%
IMR 4350
<<locked>>
91%
54723
90%
**41
100%
IMR 4451 Enduron
<<locked>>
86%
54520
90%
**15
100%
IMR 4831
<<locked>>
94%
54201
89%
**44
100%
IMR 4955 Enduron
<<locked>>
97%
53737
88%
**34
97%
IMR 7828 SSC
<<locked>>
97%
53708
88%
**30
98%
Lovex S065
<<locked>>
88%
54462
89%
**11
100%
Lovex S070
<<locked>>
89%
54447
89%
**31
100%
Lovex S071
<<locked>>
97%
44179
73%
**10
99%
Norma 204 👍
<<locked>>
90%
54201
89%
**70
99%
[Norma 217]*
<<locked>>
97%
30458
50%
**52
93%
Norma MRP 👍
<<locked>>
97%
53751
88%
**62
100%
Norma URP
<<locked>>
90%
54491
89%
**70
100%
Ramshot Hunter 👍
<<locked>>
91%
54172
89%
**84
100%
Ramshot Magnum
<<locked>>
97%
49676
82%
**64
99%
ReloadSwiss RS 60
<<locked>>
87%
53940
89%
**23
100%
ReloadSwiss RS 62
<<locked>>
89%
54360
89%
**90
100%
ReloadSwiss RS 70
<<locked>>
90%
54375
89%
**33
100%
ReloadSwiss RS 76
<<locked>>
97%
41452
68%
**05
98%
Rottweil R 903
<<locked>>
84%
54505
89%
**08
100%
Rottweil R 904
<<locked>>
94%
54694
90%
**51
98%
Rottweil R 905
<<locked>>
95%
54230
89%
**90
99%
Rottweil R 907
<<locked>>
87%
54752
90%
**18
100%
SNPE Vectan SP 11
<<locked>>
84%
54723
90%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54549
90%
**93
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54534
90%
**75
100%
Shooters World Long Rifle
<<locked>>
88%
54462
89%
**11
100%
Somchem S355
<<locked>>
84%
54317
89%
**02
100%
Somchem S361
<<locked>>
93%
54592
90%
**25
97%
Somchem S365
<<locked>>
92%
54201
89%
**74
100%
Somchem S385
<<locked>>
95%
54273
89%
**57
99%
Vihtavuori N135
<<locked>>
86%
54795
90%
**23
100%
Vihtavuori N150
<<locked>>
90%
54389
89%
**69
100%
Vihtavuori N160
<<locked>>
87%
54273
89%
**25
100%
Vihtavuori N165
<<locked>>
97%
47674
78%
**56
98%
Vihtavuori N550
<<locked>>
87%
54012
89%
**64
100%
Vihtavuori N555
<<locked>>
97%
54505
89%
**00
100%
Vihtavuori N560
<<locked>>
97%
50981
84%
**07
97%
Vihtavuori N565
<<locked>>
97%
44164
73%
**85
96%
[Vihtavuori N568]*
<<locked>>
97%
38159
63%
**00
91%
Winchester 6.5 StaBALL
<<locked>>
89%
54621
90%
**15
100%
Winchester 760
<<locked>>
85%
54317
89%
**80
100%
Winchester StaBALL HD
<<locked>>
97%
43163
71%
**93
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50111
82%
**36
100%
[ADI AR 2209]*
<<locked>>
81%
35244
58%
**59
94%
[ADI AR 2213]*
<<locked>>
81%
31836
52%
**00
90%
[ADI AR 2217]*
<<locked>>
90%
31908
52%
**93
90%
[ADI AR 2225]*
<<locked>>
88%
26716
44%
**01
90%
Accurate 2700
<<locked>>
81%
48762
80%
**93
99%
Accurate 3100
<<locked>>
81%
31662
52%
**73
96%
Accurate 4350
<<locked>>
81%
42163
69%
**80
100%
[Accurate MAGPRO]*
<<locked>>
86%
35157
58%
**08
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51082
84%
**59
100%
Alliant Reloder-16
<<locked>>
81%
40364
66%
**80
100%
Alliant Reloder-17
<<locked>>
81%
45658
75%
**82
100%
Alliant Reloder-19
<<locked>>
81%
35491
58%
**69
95%
[Alliant Reloder-22]*
<<locked>>
81%
31386
52%
**16
93%
Alliant Reloder-23
<<locked>>
81%
30226
50%
**93
99%
[Alliant Reloder-25]*
<<locked>>
81%
26701
44%
**08
94%
Alliant Reloder-26
<<locked>>
81%
32300
53%
**05
98%
[Hodgdon H1000]*
<<locked>>
90%
31908
52%
**93
90%
Hodgdon H414
<<locked>>
81%
47021
77%
**72
99%
Hodgdon H4350
<<locked>>
81%
38899
64%
**82
97%
[Hodgdon H4831]*
<<locked>>
83%
32126
53%
**70
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33170
54%
**00
91%
Hodgdon Hybrid 100V
<<locked>>
81%
37942
62%
**85
100%
Hodgdon LVR
<<locked>>
81%
44483
73%
**16
100%
[Hodgdon Retumbo]*
<<locked>>
88%
26716
44%
**01
90%
Hodgdon Superperformance
<<locked>>
81%
42032
69%
**26
98%
Hodgdon VARGET
<<locked>>
81%
49763
82%
**33
100%
IMR 4064
<<locked>>
81%
49719
82%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
48617
80%
**03
99%
IMR 4350
<<locked>>
81%
40756
67%
**15
97%
IMR 4451 Enduron
<<locked>>
81%
46702
77%
**97
99%
IMR 4831
<<locked>>
81%
36724
60%
**72
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33692
55%
**73
91%
[IMR 7828 SSC]*
<<locked>>
81%
32285
53%
**19
91%
Lovex S065
<<locked>>
81%
44425
73%
**60
99%
Lovex S070
<<locked>>
81%
42511
70%
**51
98%
[Lovex S071]*
<<locked>>
81%
27615
45%
**75
94%
Norma 204
<<locked>>
81%
40292
66%
**51
96%
[Norma 217]*
<<locked>>
92%
26324
43%
**34
90%
Norma MRP
<<locked>>
81%
32561
53%
**69
95%
Norma URP
<<locked>>
81%
41133
68%
**67
100%
Ramshot Hunter
<<locked>>
81%
39943
66%
**60
98%
[Ramshot Magnum]*
<<locked>>
81%
28906
47%
**44
92%
ReloadSwiss RS 60
<<locked>>
81%
44121
72%
**82
100%
ReloadSwiss RS 62
<<locked>>
81%
41524
68%
**93
100%
ReloadSwiss RS 70
<<locked>>
81%
39769
65%
**03
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
26716
44%
**28
90%
Rottweil R 903
<<locked>>
81%
48892
80%
**33
100%
[Rottweil R 904]*
<<locked>>
81%
36666
60%
**46
94%
[Rottweil R 905]*
<<locked>>
81%
34461
57%
**49
94%
Rottweil R 907
<<locked>>
81%
45803
75%
**80
98%
SNPE Vectan SP 11
<<locked>>
81%
49835
82%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49676
82%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43511
71%
**11
98%
Shooters World Long Rifle
<<locked>>
81%
44425
73%
**60
99%
Somchem S355
<<locked>>
81%
49110
81%
**29
100%
[Somchem S361]*
<<locked>>
81%
37304
61%
**39
93%
Somchem S365
<<locked>>
81%
37695
62%
**31
100%
Somchem S385
<<locked>>
81%
35273
58%
**46
96%
Vihtavuori N135
<<locked>>
81%
47950
79%
**34
100%
Vihtavuori N150
<<locked>>
81%
42250
69%
**98
100%
Vihtavuori N160
<<locked>>
81%
44251
73%
**83
100%
[Vihtavuori N165]*
<<locked>>
81%
29704
49%
**14
93%
Vihtavuori N550
<<locked>>
81%
45237
74%
**33
100%
Vihtavuori N555
<<locked>>
81%
33547
55%
**59
99%
[Vihtavuori N560]*
<<locked>>
81%
31981
53%
**33
90%
[Vihtavuori N565]*
<<locked>>
85%
30458
50%
**06
90%
[Vihtavuori N568]*
<<locked>>
94%
35447
58%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41510
68%
**34
100%
Winchester 760
<<locked>>
81%
47021
77%
**72
99%
Winchester StaBALL HD
<<locked>>
81%
26890
44%
**96
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.

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