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Load data for 8.5 x 55 Blaser + .338 | 250gr | Swift A-Frame

Recommended Powder(s): Accurate 4350, Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N550

8.5 x 55 Blaser + .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:
8.5 x 55 Blaser load data
Case Length (l3):
2.150" | 54.6mm
Cartridge Length (C.O.L.):
2.935" | 74.6mm
Seated Depth:
0.550" | 14.0mm
Shank Seated Depth:
0.550" | 14.0mm
Case Capacity:
77.0 Grains of Water | 5.00 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10854_C1204
Last updated:
2025-02-02

Load data for 192 loads in caliber 8.5 x 55 Blaser with .338 | 250gr | Swift A-Frame bullet and 96 powders such as Accurate 4350, Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N550. 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".

  • No data yet

  • 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 2206H
<<locked>>
86%
55216
89%
**51
100%
ADI AR 2208
<<locked>>
92%
56014
90%
**51
100%
[ADI AR 2209]*
<<locked>>
97%
44469
71%
**49
94%
Accurate 2200
<<locked>>
85%
55941
90%
**31
100%
Accurate 2495
<<locked>>
84%
55288
89%
**02
100%
Accurate 2520
<<locked>>
84%
55680
89%
**34
100%
Accurate 2700
<<locked>>
92%
55477
89%
**98
97%
Accurate 3100
<<locked>>
97%
37782
61%
**38
96%
Accurate 4064
<<locked>>
90%
55376
89%
**28
100%
Accurate 4350 👍
<<locked>>
97%
52315
84%
**80
100%
Alliant AR-Comp
<<locked>>
85%
56115
90%
**88
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
56072
90%
**70
100%
Alliant Reloder-15
<<locked>>
89%
55158
88%
**70
100%
Alliant Reloder-16
<<locked>>
97%
50328
81%
**74
100%
Alliant Reloder-17 👍
<<locked>>
96%
55840
90%
**72
100%
[Alliant Reloder-19]*
<<locked>>
97%
43903
70%
**46
94%
[Alliant Reloder-22]*
<<locked>>
97%
38551
62%
**90
92%
Alliant Reloder-23
<<locked>>
96%
35955
58%
**54
98%
[Alliant Reloder-25]*
<<locked>>
97%
32300
52%
**62
93%
Alliant Reloder-26
<<locked>>
97%
39740
64%
**85
97%
Baschieri & Pellagri 107
<<locked>>
87%
55825
90%
**84
100%
Hodgdon BL-C2
<<locked>>
85%
55796
89%
**77
100%
Hodgdon Benchmark
<<locked>>
84%
55216
89%
**79
100%
Hodgdon CFE223 👍
<<locked>>
90%
55767
89%
**20
100%
Hodgdon H322
<<locked>>
83%
55956
90%
**08
100%
Hodgdon H380
<<locked>>
91%
56101
90%
**77
100%
Hodgdon H414
<<locked>>
95%
55970
90%
**33
99%
Hodgdon H4350
<<locked>>
96%
48008
77%
**65
96%
Hodgdon Hybrid 100V
<<locked>>
97%
45948
74%
**62
100%
Hodgdon LVR 👍
<<locked>>
97%
55724
89%
**20
100%
Hodgdon Superperformance
<<locked>>
97%
54868
88%
**46
98%
Hodgdon VARGET
<<locked>>
92%
55796
89%
**44
100%
IMR 3031
<<locked>>
89%
55201
89%
**34
100%
IMR 4064
<<locked>>
93%
55680
89%
**34
100%
IMR 4166 Enduron
<<locked>>
93%
55709
89%
**21
98%
IMR 4350
<<locked>>
97%
51010
82%
**08
97%
IMR 4451 Enduron
<<locked>>
94%
55303
89%
**48
98%
IMR 4831
<<locked>>
97%
44048
71%
**43
99%
IMR 4895
<<locked>>
89%
55622
89%
**87
100%
IMR 8208 XBR
<<locked>>
85%
55825
90%
**28
100%
Lovex D073.6
<<locked>>
87%
55970
90%
**44
100%
Lovex S060
<<locked>>
86%
55100
88%
**92
100%
Lovex S062
<<locked>>
90%
55753
89%
**34
100%
Lovex S065
<<locked>>
96%
55492
89%
**48
99%
Lovex S070
<<locked>>
97%
53316
85%
**44
98%
[Lovex S071]*
<<locked>>
97%
31749
51%
**13
93%
Norma 201
<<locked>>
87%
55956
90%
**25
100%
Norma 202
<<locked>>
87%
55608
89%
**15
100%
Norma 203B
<<locked>>
90%
56028
90%
**84
100%
Norma 204
<<locked>>
97%
51430
82%
**48
96%
Norma MRP
<<locked>>
97%
40103
64%
**52
95%
Norma URP
<<locked>>
97%
50807
81%
**57
99%
Ramshot Big Game
<<locked>>
90%
55535
89%
**93
100%
Ramshot Hunter
<<locked>>
97%
49661
80%
**54
98%
Ramshot TAC
<<locked>>
85%
55709
89%
**41
99%
Ramshot Wild Boar
<<locked>>
85%
56101
90%
**70
100%
ReloadSwiss RS 50
<<locked>>
91%
55941
90%
**57
99%
ReloadSwiss RS 52
<<locked>>
90%
55419
89%
**93
100%
ReloadSwiss RS 60
<<locked>>
97%
56072
90%
**92
100%
ReloadSwiss RS 62
<<locked>>
97%
51126
82%
**93
99%
ReloadSwiss RS 70
<<locked>>
97%
50792
81%
**10
99%
Rottweil R 901
<<locked>>
84%
55506
89%
**85
100%
Rottweil R 902
<<locked>>
88%
55666
89%
**11
100%
Rottweil R 903
<<locked>>
94%
55898
90%
**67
100%
[Rottweil R 904]*
<<locked>>
97%
45948
74%
**33
93%
[Rottweil R 905]*
<<locked>>
97%
42134
68%
**23
94%
Rottweil R 907
<<locked>>
95%
55637
89%
**44
98%
SNPE Vectan SP 11
<<locked>>
93%
55332
89%
**00
100%
SNPE Vectan SP 7
<<locked>>
86%
55999
90%
**48
100%
SNPE Vectan SP 9
<<locked>>
88%
56072
90%
**61
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55172
88%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
55956
90%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55637
89%
**05
98%
Shooters World Long Rifle
<<locked>>
96%
55492
89%
**48
99%
Shooters World Match Rifle
<<locked>>
87%
55970
90%
**44
100%
Shooters World Precision
<<locked>>
90%
55753
89%
**34
100%
Somchem S335
<<locked>>
86%
55666
89%
**56
100%
Somchem S341
<<locked>>
86%
56115
90%
**48
100%
Somchem S355
<<locked>>
93%
55434
89%
**57
100%
[Somchem S361]*
<<locked>>
97%
47210
76%
**23
92%
Somchem S365
<<locked>>
97%
45803
73%
**21
100%
Somchem S385
<<locked>>
97%
43120
69%
**20
95%
Vihtavuori N130
<<locked>>
83%
56101
90%
**16
100%
Vihtavuori N133
<<locked>>
88%
55492
89%
**29
100%
Vihtavuori N135
<<locked>>
95%
55753
89%
**88
100%
Vihtavuori N140
<<locked>>
89%
55564
89%
**95
100%
Vihtavuori N150
<<locked>>
96%
52228
84%
**85
100%
Vihtavuori N160
<<locked>>
96%
54911
88%
**70
100%
[Vihtavuori N165]*
<<locked>>
97%
36216
58%
**75
92%
Vihtavuori N530
<<locked>>
83%
55361
89%
**31
100%
Vihtavuori N540
<<locked>>
89%
55608
89%
**28
100%
Vihtavuori N550 👍
<<locked>>
96%
55056
88%
**13
100%
Vihtavuori N555
<<locked>>
97%
39363
63%
**26
98%
Winchester 6.5 StaBALL
<<locked>>
97%
53417
86%
**41
100%
Winchester 760
<<locked>>
95%
55970
90%
**33
99%
Winchester StaBALL HD
<<locked>>
97%
32358
52%
**51
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47413
76%
**39
100%
ADI AR 2208
<<locked>>
81%
40364
65%
**15
98%
[ADI AR 2209]*
<<locked>>
89%
35375
57%
**65
90%
Accurate 2200
<<locked>>
81%
49516
79%
**43
99%
Accurate 2495
<<locked>>
81%
50125
80%
**36
100%
Accurate 2520
<<locked>>
81%
49443
79%
**62
100%
[Accurate 2700]*
<<locked>>
81%
39001
63%
**42
93%
[Accurate 3100]*
<<locked>>
86%
26324
42%
**85
90%
Accurate 4064
<<locked>>
81%
42627
68%
**54
100%
Accurate 4350
<<locked>>
81%
31053
50%
**06
95%
Alliant AR-Comp
<<locked>>
81%
50053
80%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
40016
64%
**38
99%
Alliant Reloder-15
<<locked>>
81%
42830
69%
**87
99%
Alliant Reloder-16
<<locked>>
81%
31386
50%
**10
95%
Alliant Reloder-17
<<locked>>
81%
34867
56%
**24
98%
[Alliant Reloder-19]*
<<locked>>
89%
34635
56%
**59
90%
[Alliant Reloder-22]*
<<locked>>
93%
34722
56%
**08
90%
[Alliant Reloder-23]*
<<locked>>
81%
23482
38%
**13
92%
[Alliant Reloder-25]*
<<locked>>
93%
28877
46%
**67
90%
[Alliant Reloder-26]*
<<locked>>
84%
26585
43%
**51
90%
Baschieri & Pellagri 107
<<locked>>
81%
46514
75%
**49
99%
Hodgdon BL-C2
<<locked>>
81%
49066
79%
**88
100%
Hodgdon Benchmark
<<locked>>
81%
51140
82%
**29
100%
Hodgdon CFE223
<<locked>>
81%
41365
66%
**03
98%
Hodgdon H322
<<locked>>
81%
52243
84%
**62
100%
Hodgdon H380
<<locked>>
81%
40741
65%
**44
98%
[Hodgdon H414]*
<<locked>>
81%
35795
57%
**98
94%
[Hodgdon H4350]*
<<locked>>
82%
31183
50%
**37
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29080
47%
**34
96%
Hodgdon LVR
<<locked>>
81%
33823
54%
**49
95%
[Hodgdon Superperformance]*
<<locked>>
81%
32372
52%
**29
90%
Hodgdon VARGET
<<locked>>
81%
39972
64%
**08
98%
IMR 3031
<<locked>>
81%
43918
70%
**83
100%
IMR 4064
<<locked>>
81%
39682
64%
**95
98%
IMR 4166 Enduron
<<locked>>
81%
39392
63%
**62
95%
[IMR 4350]*
<<locked>>
81%
32111
51%
**64
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37768
61%
**56
94%
[IMR 4831]*
<<locked>>
81%
27630
44%
**08
94%
IMR 4895
<<locked>>
81%
43947
70%
**13
99%
IMR 8208 XBR
<<locked>>
81%
49168
79%
**39
100%
Lovex D073.6
<<locked>>
81%
46992
75%
**26
100%
Lovex S060
<<locked>>
81%
47166
76%
**77
100%
Lovex S062
<<locked>>
81%
42598
68%
**44
100%
Lovex S065
<<locked>>
81%
35288
57%
**16
95%
[Lovex S070]*
<<locked>>
81%
33475
54%
**96
93%
[Lovex S071]*
<<locked>>
90%
26237
42%
**82
90%
Norma 201
<<locked>>
81%
47007
75%
**06
100%
Norma 202
<<locked>>
81%
46746
75%
**97
100%
Norma 203B
<<locked>>
81%
42380
68%
**80
99%
[Norma 204]*
<<locked>>
85%
35143
56%
**56
90%
[Norma MRP]*
<<locked>>
89%
31488
50%
**52
90%
Norma URP
<<locked>>
81%
31517
51%
**10
95%
Ramshot Big Game
<<locked>>
81%
41814
67%
**97
99%
[Ramshot Hunter]*
<<locked>>
81%
30879
50%
**90
92%
Ramshot TAC
<<locked>>
81%
49226
79%
**56
99%
Ramshot Wild Boar
<<locked>>
81%
48907
78%
**75
100%
ReloadSwiss RS 50
<<locked>>
81%
41046
66%
**28
96%
ReloadSwiss RS 52
<<locked>>
81%
41510
67%
**00
100%
ReloadSwiss RS 60
<<locked>>
81%
33939
54%
**15
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
30618
49%
**16
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
30937
50%
**16
93%
Rottweil R 901
<<locked>>
81%
51285
82%
**26
100%
Rottweil R 902
<<locked>>
81%
44628
72%
**60
100%
Rottweil R 903
<<locked>>
81%
37956
61%
**98
99%
[Rottweil R 904]*
<<locked>>
90%
38130
61%
**88
90%
[Rottweil R 905]*
<<locked>>
89%
33852
54%
**56
90%
[Rottweil R 907]*
<<locked>>
81%
36463
58%
**26
93%
SNPE Vectan SP 11
<<locked>>
81%
38580
62%
**41
99%
SNPE Vectan SP 7
<<locked>>
81%
47805
77%
**36
99%
SNPE Vectan SP 9
<<locked>>
81%
45919
74%
**16
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
47790
77%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39958
64%
**36
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34113
55%
**67
93%
Shooters World Long Rifle
<<locked>>
81%
35288
57%
**16
95%
Shooters World Match Rifle
<<locked>>
81%
46992
75%
**26
100%
Shooters World Precision
<<locked>>
81%
42598
68%
**44
100%
Somchem S335
<<locked>>
81%
47805
77%
**51
100%
Somchem S341
<<locked>>
81%
47326
76%
**26
100%
Somchem S355
<<locked>>
81%
38696
62%
**01
99%
[Somchem S361]*
<<locked>>
92%
40930
66%
**21
90%
Somchem S365
<<locked>>
81%
28398
46%
**70
97%
[Somchem S385]*
<<locked>>
86%
30443
49%
**67
90%
Vihtavuori N130
<<locked>>
81%
52765
85%
**80
100%
Vihtavuori N133
<<locked>>
81%
45252
73%
**98
100%
Vihtavuori N135
<<locked>>
81%
37739
61%
**42
100%
Vihtavuori N140
<<locked>>
81%
43642
70%
**34
100%
Vihtavuori N150
<<locked>>
81%
33315
53%
**80
99%
Vihtavuori N160
<<locked>>
81%
33953
54%
**29
96%
[Vihtavuori N165]*
<<locked>>
93%
32605
52%
**93
90%
Vihtavuori N530
<<locked>>
81%
52069
83%
**85
100%
Vihtavuori N540
<<locked>>
81%
43627
70%
**60
100%
Vihtavuori N550
<<locked>>
81%
34418
55%
**72
96%
[Vihtavuori N555]*
<<locked>>
81%
24627
39%
**75
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32518
52%
**87
98%
[Winchester 760]*
<<locked>>
81%
35795
57%
**98
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23308
37%
**52
91%

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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