top of page

Load data for 8.5 x 55 Blaser + .338 | 250gr | Sako Hammerhead

Recommended Powder(s):

8.5 x 55 Blaser + .338 | 250gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Sako Hammerhead
Manufacturer SKU:
211F
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
8.5 x 55 Blaser load data
Case Length (l3):
2.150" | 54.6mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
77.0 Grains of Water | 5.00 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10009_C1204
Last updated:
2026-01-22

Load data for 198 loads in caliber 8.5 x 55 Blaser with .338 | 250gr | Sako Hammerhead bullet and 99 powder(s). 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.

    .

    Loading_icon.gif

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%
55521
89%
**84
100%
ADI AR 2208
<<locked>>
92%
56101
90%
**80
100%
[ADI AR 2209]*
<<locked>>
97%
44628
72%
**82
94%
Accurate 2200
<<locked>>
85%
55637
89%
**54
100%
Accurate 2495
<<locked>>
85%
55317
89%
**28
100%
Accurate 2520
<<locked>>
85%
55811
89%
**67
100%
Accurate 2700
<<locked>>
93%
56072
90%
**34
98%
Accurate 3100
<<locked>>
97%
36898
59%
**51
96%
Accurate 4064
<<locked>>
91%
55434
89%
**57
100%
Accurate 4350
<<locked>>
97%
51750
83%
**97
100%
Alliant AR-Comp
<<locked>>
85%
55390
89%
**08
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
55927
90%
**05
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
55201
89%
**90
100%
Alliant Reloder-15
<<locked>>
89%
55390
89%
**00
100%
Alliant Reloder-16
<<locked>>
97%
49806
80%
**97
100%
Alliant Reloder-17 👍
<<locked>>
96%
55883
90%
**02
100%
[Alliant Reloder-19]*
<<locked>>
97%
43540
70%
**75
94%
[Alliant Reloder-22]*
<<locked>>
97%
37550
60%
**00
92%
Alliant Reloder-23
<<locked>>
97%
35665
57%
**77
99%
[Alliant Reloder-25]*
<<locked>>
97%
31662
51%
**82
93%
Alliant Reloder-26
<<locked>>
97%
38928
62%
**02
98%
Baschieri & Pellagri 107
<<locked>>
87%
55608
89%
**07
100%
Bofors RP3
<<locked>>
92%
55637
89%
**03
100%
[Bofors RP5]*
<<locked>>
97%
37550
60%
**00
92%
Bofors RP7
<<locked>>
96%
55898
90%
**77
98%
Hodgdon BL-C2
<<locked>>
85%
55956
90%
**07
100%
Hodgdon Benchmark
<<locked>>
84%
55535
89%
**11
100%
Hodgdon CFE223 👍
<<locked>>
90%
55593
89%
**43
100%
Hodgdon H322
<<locked>>
83%
55288
89%
**28
100%
Hodgdon H380
<<locked>>
91%
56028
90%
**07
100%
Hodgdon H414
<<locked>>
95%
56014
90%
**66
99%
Hodgdon H4350
<<locked>>
97%
48283
77%
**98
97%
Hodgdon Hybrid 100V
<<locked>>
97%
46412
74%
**95
100%
Hodgdon LVR 👍
<<locked>>
97%
55651
89%
**46
100%
Hodgdon Superperformance
<<locked>>
97%
54737
88%
**79
98%
Hodgdon VARGET
<<locked>>
92%
55521
89%
**70
100%
IMR 3031
<<locked>>
89%
55564
89%
**61
100%
IMR 4064
<<locked>>
93%
55535
89%
**64
100%
IMR 4166 Enduron
<<locked>>
93%
55361
89%
**48
99%
IMR 4350
<<locked>>
97%
51343
82%
**41
97%
IMR 4451 Enduron
<<locked>>
95%
55840
90%
**84
99%
IMR 4831
<<locked>>
97%
43395
70%
**59
99%
IMR 4895
<<locked>>
89%
55898
90%
**16
100%
IMR 8208 XBR
<<locked>>
85%
55506
89%
**51
100%
Lovex D073.6
<<locked>>
87%
55811
89%
**67
100%
Lovex S060
<<locked>>
87%
55288
89%
**21
100%
Lovex S062
<<locked>>
90%
55230
89%
**57
100%
Lovex S065
<<locked>>
97%
55506
89%
**77
99%
Lovex S070
<<locked>>
97%
52533
84%
**57
98%
[Lovex S071]*
<<locked>>
97%
30734
49%
**23
93%
Norma 201
<<locked>>
87%
55434
89%
**51
100%
Norma 202
<<locked>>
87%
56028
90%
**48
100%
Norma 203B
<<locked>>
90%
55434
89%
**03
100%
Norma 204
<<locked>>
97%
50908
82%
**67
96%
Norma MRP
<<locked>>
97%
39349
63%
**69
95%
Norma URP
<<locked>>
97%
50270
81%
**77
100%
Ramshot Big Game
<<locked>>
90%
55622
89%
**23
100%
Ramshot Hunter
<<locked>>
97%
49269
79%
**80
98%
Ramshot TAC
<<locked>>
85%
55796
89%
**74
99%
Ramshot Wild Boar
<<locked>>
85%
55622
89%
**93
100%
ReloadSwiss RS 50
<<locked>>
91%
55912
90%
**87
99%
ReloadSwiss RS 52
<<locked>>
87%
55666
89%
**59
100%
ReloadSwiss RS 60
<<locked>>
94%
55811
89%
**02
100%
ReloadSwiss RS 62
<<locked>>
97%
50502
81%
**10
100%
ReloadSwiss RS 70
<<locked>>
97%
51024
82%
**43
99%
Rottweil R 901
<<locked>>
85%
55898
90%
**18
100%
Rottweil R 902
<<locked>>
89%
56101
90%
**44
100%
Rottweil R 903
<<locked>>
93%
55042
88%
**87
100%
[Rottweil R 904]*
<<locked>>
97%
45484
73%
**49
93%
[Rottweil R 905]*
<<locked>>
97%
42221
68%
**52
94%
Rottweil R 907
<<locked>>
96%
55898
90%
**77
98%
SNPE Vectan SP 11
<<locked>>
93%
55608
89%
**30
100%
SNPE Vectan SP 7
<<locked>>
86%
55361
89%
**70
100%
SNPE Vectan SP 9
<<locked>>
87%
55477
89%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55463
89%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
55114
88%
**65
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55172
88%
**34
98%
Shooters World Long Rifle
<<locked>>
97%
55506
89%
**77
99%
Shooters World Match Rifle
<<locked>>
87%
55811
89%
**67
100%
Shooters World Precision
<<locked>>
90%
55230
89%
**57
100%
Somchem S335
<<locked>>
87%
55405
89%
**75
100%
Somchem S341
<<locked>>
86%
55912
90%
**74
100%
Somchem S355
<<locked>>
94%
56101
90%
**93
100%
[Somchem S361]*
<<locked>>
97%
47181
76%
**52
93%
Somchem S365
<<locked>>
97%
45861
74%
**44
100%
Somchem S385
<<locked>>
97%
42293
68%
**33
95%
Vihtavuori N130
<<locked>>
83%
55811
89%
**43
100%
Vihtavuori N133
<<locked>>
89%
55593
89%
**59
100%
Vihtavuori N135
<<locked>>
95%
55521
89%
**15
100%
Vihtavuori N140
<<locked>>
89%
55753
89%
**25
100%
Vihtavuori N150
<<locked>>
97%
52489
84%
**15
100%
Vihtavuori N160 👍
<<locked>>
97%
55825
90%
**10
100%
[Vihtavuori N165]*
<<locked>>
97%
35389
57%
**88
92%
Vihtavuori N540
<<locked>>
89%
55651
89%
**51
100%
Vihtavuori N550 👍
<<locked>>
97%
55767
89%
**49
100%
Vihtavuori N555
<<locked>>
97%
38827
62%
**46
99%
Winchester 6.5 StaBALL
<<locked>>
97%
53374
86%
**64
100%
Winchester 760
<<locked>>
95%
56014
90%
**66
99%
Winchester StaBALL HD
<<locked>>
97%
31560
51%
**70
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46804
75%
**59
100%
ADI AR 2208
<<locked>>
81%
39639
64%
**28
98%
[ADI AR 2209]*
<<locked>>
89%
34650
56%
**82
90%
Accurate 2200
<<locked>>
81%
48892
78%
**65
99%
Accurate 2495
<<locked>>
81%
48646
78%
**46
100%
Accurate 2520
<<locked>>
81%
49081
79%
**82
100%
[Accurate 2700]*
<<locked>>
81%
38058
61%
**59
94%
[Accurate 3100]*
<<locked>>
86%
25570
41%
**91
90%
Accurate 4064
<<locked>>
81%
41017
66%
**60
100%
Accurate 4350
<<locked>>
81%
29907
48%
**10
95%
Alliant AR-Comp
<<locked>>
81%
49356
79%
**43
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
42467
68%
**98
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
39639
64%
**54
100%
Alliant Reloder-15
<<locked>>
81%
42308
68%
**06
99%
Alliant Reloder-16
<<locked>>
81%
30589
49%
**23
95%
Alliant Reloder-17
<<locked>>
81%
34055
55%
**38
98%
[Alliant Reloder-19]*
<<locked>>
88%
33620
54%
**72
90%
[Alliant Reloder-22]*
<<locked>>
93%
33721
54%
**15
90%
[Alliant Reloder-23]*
<<locked>>
81%
22147
36%
**06
91%
[Alliant Reloder-25]*
<<locked>>
92%
27731
44%
**67
90%
[Alliant Reloder-26]*
<<locked>>
84%
25527
41%
**54
90%
Baschieri & Pellagri 107
<<locked>>
81%
46137
74%
**72
99%
Bofors RP3
<<locked>>
81%
38885
62%
**54
99%
[Bofors RP5]*
<<locked>>
93%
33721
54%
**15
90%
[Bofors RP7]*
<<locked>>
81%
35331
57%
**42
93%
Hodgdon BL-C2
<<locked>>
81%
48762
78%
**11
100%
Hodgdon Benchmark
<<locked>>
81%
50836
82%
**49
100%
Hodgdon CFE223
<<locked>>
81%
40553
65%
**16
98%
Hodgdon H322
<<locked>>
81%
51837
83%
**85
100%
Hodgdon H380
<<locked>>
81%
40001
64%
**64
98%
[Hodgdon H414]*
<<locked>>
81%
35259
57%
**18
94%
[Hodgdon H4350]*
<<locked>>
82%
30327
49%
**47
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27978
45%
**37
96%
Hodgdon LVR
<<locked>>
81%
33315
53%
**65
95%
[Hodgdon Superperformance]*
<<locked>>
81%
31633
51%
**46
91%
Hodgdon VARGET
<<locked>>
81%
39421
63%
**24
98%
IMR 3031
<<locked>>
81%
43323
69%
**00
100%
IMR 4064
<<locked>>
81%
38986
63%
**08
99%
IMR 4166 Enduron
<<locked>>
81%
38841
62%
**82
95%
[IMR 4350]*
<<locked>>
81%
31198
50%
**73
91%
[IMR 4451 Enduron]*
<<locked>>
81%
36898
59%
**69
94%
[IMR 4831]*
<<locked>>
81%
26527
43%
**08
93%
IMR 4895
<<locked>>
81%
43410
70%
**33
100%
IMR 8208 XBR
<<locked>>
81%
49066
79%
**65
100%
Lovex D073.6
<<locked>>
81%
46137
74%
**39
100%
Lovex S060
<<locked>>
81%
46659
75%
**97
100%
Lovex S062
<<locked>>
81%
41640
67%
**60
100%
Lovex S065
<<locked>>
81%
34360
55%
**26
95%
[Lovex S070]*
<<locked>>
81%
32372
52%
**00
93%
[Lovex S071]*
<<locked>>
91%
25570
41%
**91
90%
Norma 201
<<locked>>
81%
45876
74%
**13
100%
Norma 202
<<locked>>
81%
46296
74%
**20
100%
Norma 203B
<<locked>>
81%
41814
67%
**00
99%
[Norma 204]*
<<locked>>
84%
33721
54%
**56
90%
[Norma MRP]*
<<locked>>
89%
30342
49%
**59
90%
Norma URP
<<locked>>
81%
30385
49%
**16
95%
Ramshot Big Game
<<locked>>
81%
41350
66%
**16
99%
[Ramshot Hunter]*
<<locked>>
81%
29936
48%
**00
92%
Ramshot TAC
<<locked>>
81%
48849
78%
**75
99%
Ramshot Wild Boar
<<locked>>
81%
48327
77%
**92
100%
ReloadSwiss RS 50
<<locked>>
81%
40480
65%
**51
96%
ReloadSwiss RS 52
<<locked>>
81%
44962
72%
**05
99%
ReloadSwiss RS 60
<<locked>>
81%
36230
58%
**90
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
29733
48%
**23
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
30023
48%
**23
93%
Rottweil R 901
<<locked>>
81%
50125
80%
**46
100%
Rottweil R 902
<<locked>>
81%
43642
70%
**70
100%
Rottweil R 903
<<locked>>
81%
36767
59%
**08
99%
[Rottweil R 904]*
<<locked>>
90%
36477
58%
**88
90%
[Rottweil R 905]*
<<locked>>
89%
32518
52%
**59
90%
[Rottweil R 907]*
<<locked>>
81%
35331
57%
**42
93%
SNPE Vectan SP 11
<<locked>>
81%
37884
61%
**57
99%
SNPE Vectan SP 7
<<locked>>
81%
47195
76%
**56
99%
SNPE Vectan SP 9
<<locked>>
81%
45411
73%
**36
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
47224
76%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39204
63%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33446
54%
**80
93%
Shooters World Long Rifle
<<locked>>
81%
34360
55%
**26
95%
Shooters World Match Rifle
<<locked>>
81%
46137
74%
**39
100%
Shooters World Precision
<<locked>>
81%
41640
67%
**60
100%
Somchem S335
<<locked>>
81%
46847
75%
**70
100%
Somchem S341
<<locked>>
81%
47079
75%
**52
100%
Somchem S355
<<locked>>
81%
37753
61%
**15
99%
[Somchem S361]*
<<locked>>
92%
39755
64%
**28
90%
Somchem S365
<<locked>>
81%
27282
44%
**73
97%
[Somchem S385]*
<<locked>>
86%
29617
47%
**77
90%
Vihtavuori N130
<<locked>>
81%
52475
84%
**03
100%
Vihtavuori N133
<<locked>>
81%
44454
71%
**18
100%
Vihtavuori N135
<<locked>>
81%
36912
59%
**56
100%
Vihtavuori N140
<<locked>>
81%
43381
70%
**57
100%
Vihtavuori N150
<<locked>>
81%
32271
52%
**87
99%
Vihtavuori N160
<<locked>>
81%
33301
53%
**46
96%
[Vihtavuori N165]*
<<locked>>
93%
31662
51%
**03
90%
Vihtavuori N540
<<locked>>
81%
42569
68%
**74
100%
Vihtavuori N550
<<locked>>
81%
33547
54%
**85
96%
[Vihtavuori N555]*
<<locked>>
81%
23409
38%
**72
92%
Winchester 6.5 StaBALL
<<locked>>
81%
31807
51%
**00
98%
[Winchester 760]*
<<locked>>
81%
35259
57%
**18
94%
[Winchester StaBALL HD]*
<<locked>>
85%
22263
36%
**52
90%

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

bottom of page