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Load data for 8.5 x 63 R + .338 | 275gr | Speer SSP

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Vihtavuori N550

8.5 x 63 R + .338 | 275gr | Speer SSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | Speer SSP
Manufacturer SKU:
2411
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.364" | 34.6mm
Caliber:
8.5 x 63 R load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
3.260" | 82.8mm
Seated Depth:
0.584" | 14.8mm
Shank Seated Depth:
0.584" | 14.8mm
Case Capacity:
75.5 Grains of Water | 4.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B6197_C1208
Last updated:
2025-01-01

Load data for 152 loads in caliber 8.5 x 63 R with .338 | 275gr | Speer SSP bullet and 76 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, 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".

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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>>
88%
49371
90%
**41
100%
ADI AR 2209
<<locked>>
97%
44483
81%
**38
95%
Accurate 2700
<<locked>>
89%
49110
89%
**98
97%
Accurate 3100
<<locked>>
96%
36535
66%
**06
96%
Accurate 4064
<<locked>>
87%
49023
89%
**31
100%
Accurate 4350 👍
<<locked>>
95%
49487
90%
**20
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
49429
90%
**57
100%
Alliant Reloder-15
<<locked>>
86%
49472
90%
**70
100%
Alliant Reloder-16 👍
<<locked>>
96%
49008
89%
**33
100%
Alliant Reloder-17
<<locked>>
92%
49023
89%
**52
100%
Alliant Reloder-19
<<locked>>
96%
43236
78%
**24
95%
[Alliant Reloder-22]*
<<locked>>
97%
37608
68%
**65
93%
Alliant Reloder-23
<<locked>>
97%
36027
65%
**49
99%
[Alliant Reloder-25]*
<<locked>>
97%
31676
57%
**54
94%
Alliant Reloder-26
<<locked>>
97%
38856
71%
**64
98%
Hodgdon CFE223
<<locked>>
87%
49414
90%
**13
100%
Hodgdon H380
<<locked>>
87%
49414
90%
**67
99%
Hodgdon H414
<<locked>>
91%
49124
89%
**20
98%
Hodgdon H4350
<<locked>>
97%
48878
89%
**57
97%
Hodgdon Hybrid 100V
<<locked>>
97%
46427
84%
**47
100%
Hodgdon LVR
<<locked>>
93%
48747
88%
**00
99%
Hodgdon Superperformance
<<locked>>
94%
49168
89%
**46
98%
Hodgdon VARGET
<<locked>>
88%
48936
89%
**31
100%
IMR 3031
<<locked>>
85%
49472
90%
**38
100%
IMR 4064
<<locked>>
88%
49342
90%
**28
100%
IMR 4166 Enduron
<<locked>>
89%
49516
90%
**18
98%
IMR 4350
<<locked>>
95%
48747
88%
**57
97%
IMR 4451 Enduron
<<locked>>
90%
49429
90%
**41
98%
IMR 4831
<<locked>>
97%
43903
80%
**28
99%
IMR 4895
<<locked>>
85%
49197
89%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
97%
42032
76%
**46
92%
Lovex S062
<<locked>>
86%
48820
89%
**24
100%
Lovex S065
<<locked>>
93%
49139
89%
**47
99%
Lovex S070
<<locked>>
94%
48892
89%
**64
98%
[Lovex S071]*
<<locked>>
97%
31038
56%
**01
94%
Norma 201
<<locked>>
83%
49545
90%
**21
100%
Norma 202
<<locked>>
83%
49559
90%
**15
100%
Norma 203B
<<locked>>
86%
48660
88%
**57
100%
Norma 204
<<locked>>
96%
49516
90%
**00
96%
Norma MRP
<<locked>>
97%
39769
72%
**41
96%
Norma URP 👍
<<locked>>
96%
49342
90%
**16
100%
Ramshot Big Game
<<locked>>
86%
49327
89%
**87
100%
Ramshot Hunter
<<locked>>
97%
49530
90%
**36
99%
[Ramshot Magnum]*
<<locked>>
97%
36071
65%
**13
92%
ReloadSwiss RS 50
<<locked>>
87%
49414
90%
**51
99%
ReloadSwiss RS 52
<<locked>>
87%
49516
90%
**93
100%
ReloadSwiss RS 60
<<locked>>
93%
49153
89%
**69
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
48849
89%
**39
100%
ReloadSwiss RS 70
<<locked>>
96%
49182
89%
**62
100%
Rottweil R 902
<<locked>>
84%
48805
89%
**01
100%
Rottweil R 903
<<locked>>
90%
49153
89%
**60
100%
[Rottweil R 904]*
<<locked>>
97%
46137
84%
**21
94%
Rottweil R 905
<<locked>>
97%
41901
76%
**15
95%
Rottweil R 907
<<locked>>
91%
49327
89%
**41
98%
SNPE Vectan SP 11
<<locked>>
89%
48965
89%
**90
100%
SNPE Vectan SP 9
<<locked>>
84%
49356
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
48849
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
49197
89%
**08
98%
Shooters World Long Rifle
<<locked>>
93%
49139
89%
**47
99%
Shooters World Precision
<<locked>>
86%
48820
89%
**24
100%
Somchem S355
<<locked>>
89%
49110
89%
**51
100%
[Somchem S361]*
<<locked>>
97%
46992
85%
**08
93%
Somchem S365
<<locked>>
97%
45730
83%
**97
100%
Somchem S385
<<locked>>
97%
42206
77%
**92
96%
Vihtavuori N133
<<locked>>
84%
49037
89%
**29
100%
Vihtavuori N135
<<locked>>
90%
49153
89%
**85
100%
Vihtavuori N140
<<locked>>
85%
48849
89%
**88
100%
Vihtavuori N150
<<locked>>
95%
49284
89%
**24
100%
Vihtavuori N160
<<locked>>
93%
49182
89%
**77
100%
[Vihtavuori N165]*
<<locked>>
97%
35708
65%
**67
93%
Vihtavuori N540
<<locked>>
85%
49472
90%
**21
100%
Vihtavuori N550 👍
<<locked>>
93%
49168
89%
**13
100%
Vihtavuori N555
<<locked>>
97%
38899
71%
**05
99%
Winchester 6.5 StaBALL
<<locked>>
94%
48631
88%
**54
100%
Winchester 760
<<locked>>
91%
49124
89%
**20
98%
Winchester StaBALL HD
<<locked>>
97%
31604
57%
**39
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
40219
73%
**00
99%
[ADI AR 2209]*
<<locked>>
87%
32721
59%
**14
90%
[Accurate 2700]*
<<locked>>
81%
38218
69%
**28
94%
[Accurate 3100]*
<<locked>>
84%
24178
44%
**41
90%
Accurate 4064
<<locked>>
81%
41379
75%
**26
100%
Accurate 4350
<<locked>>
81%
30081
55%
**91
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
39755
72%
**16
100%
Alliant Reloder-15
<<locked>>
81%
42627
77%
**69
99%
Alliant Reloder-16
<<locked>>
81%
31111
56%
**08
96%
Alliant Reloder-17
<<locked>>
81%
34287
62%
**06
99%
[Alliant Reloder-19]*
<<locked>>
87%
32097
58%
**08
90%
[Alliant Reloder-22]*
<<locked>>
91%
31792
58%
**41
90%
[Alliant Reloder-23]*
<<locked>>
81%
22321
41%
**01
92%
[Alliant Reloder-25]*
<<locked>>
91%
26585
48%
**16
90%
[Alliant Reloder-26]*
<<locked>>
83%
24366
44%
**03
90%
Hodgdon CFE223
<<locked>>
81%
41031
74%
**85
99%
Hodgdon H380
<<locked>>
81%
40321
73%
**26
98%
Hodgdon H414
<<locked>>
81%
35491
64%
**90
95%
[Hodgdon H4350]*
<<locked>>
81%
30095
55%
**19
91%
Hodgdon Hybrid 100V
<<locked>>
81%
28427
52%
**23
97%
Hodgdon LVR
<<locked>>
81%
33373
61%
**37
96%
[Hodgdon Superperformance]*
<<locked>>
81%
31879
58%
**28
92%
Hodgdon VARGET
<<locked>>
81%
39827
72%
**93
99%
IMR 3031
<<locked>>
81%
43700
79%
**59
100%
IMR 4064
<<locked>>
81%
39407
72%
**80
99%
IMR 4166 Enduron
<<locked>>
81%
39378
71%
**54
96%
[IMR 4350]*
<<locked>>
81%
31604
57%
**52
92%
IMR 4451 Enduron
<<locked>>
81%
37159
67%
**44
95%
[IMR 4831]*
<<locked>>
81%
27006
49%
**00
94%
IMR 4895
<<locked>>
81%
43613
79%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
93%
36898
67%
**54
90%
Lovex S062
<<locked>>
81%
41901
76%
**23
100%
Lovex S065
<<locked>>
81%
34519
63%
**01
96%
[Lovex S070]*
<<locked>>
81%
32634
59%
**82
94%
[Lovex S071]*
<<locked>>
89%
24178
44%
**41
90%
Norma 201
<<locked>>
81%
46224
84%
**75
100%
Norma 202
<<locked>>
81%
46398
84%
**72
100%
Norma 203B
<<locked>>
81%
41858
76%
**59
100%
[Norma 204]*
<<locked>>
83%
32343
59%
**98
90%
[Norma MRP]*
<<locked>>
87%
28921
52%
**95
90%
Norma URP
<<locked>>
81%
30763
56%
**91
96%
Ramshot Big Game
<<locked>>
81%
41553
75%
**75
99%
[Ramshot Hunter]*
<<locked>>
81%
30095
55%
**82
93%
[Ramshot Magnum]*
<<locked>>
93%
32140
58%
**24
90%
ReloadSwiss RS 50
<<locked>>
81%
40480
73%
**13
97%
ReloadSwiss RS 52
<<locked>>
81%
40857
74%
**69
100%
ReloadSwiss RS 60
<<locked>>
81%
33228
60%
**93
99%
ReloadSwiss RS 62
<<locked>>
81%
30037
55%
**05
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
30255
55%
**05
94%
Rottweil R 902
<<locked>>
81%
44222
80%
**39
100%
Rottweil R 903
<<locked>>
81%
37217
68%
**80
99%
[Rottweil R 904]*
<<locked>>
88%
35143
64%
**31
90%
[Rottweil R 905]*
<<locked>>
87%
31343
57%
**01
90%
[Rottweil R 907]*
<<locked>>
81%
35650
65%
**11
94%
SNPE Vectan SP 11
<<locked>>
81%
38087
69%
**23
99%
SNPE Vectan SP 9
<<locked>>
81%
45353
82%
**88
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39624
72%
**21
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33489
61%
**55
94%
Shooters World Long Rifle
<<locked>>
81%
34519
63%
**01
96%
Shooters World Precision
<<locked>>
81%
41901
76%
**23
100%
Somchem S355
<<locked>>
81%
37942
69%
**83
99%
[Somchem S361]*
<<locked>>
90%
37884
69%
**64
90%
Somchem S365
<<locked>>
81%
27586
50%
**59
98%
[Somchem S385]*
<<locked>>
84%
28485
52%
**29
90%
Vihtavuori N133
<<locked>>
81%
44933
82%
**77
100%
Vihtavuori N135
<<locked>>
81%
36985
67%
**18
100%
Vihtavuori N140
<<locked>>
81%
43192
78%
**16
100%
Vihtavuori N150
<<locked>>
81%
32271
59%
**59
99%
Vihtavuori N160
<<locked>>
81%
33591
61%
**24
97%
[Vihtavuori N165]*
<<locked>>
91%
30371
55%
**49
90%
Vihtavuori N540
<<locked>>
81%
43163
78%
**39
100%
Vihtavuori N550
<<locked>>
81%
33837
61%
**54
97%
[Vihtavuori N555]*
<<locked>>
81%
23453
43%
**60
93%
Winchester 6.5 StaBALL
<<locked>>
81%
31850
58%
**78
98%
Winchester 760
<<locked>>
81%
35491
64%
**90
95%
[Winchester StaBALL HD]*
<<locked>>
84%
21234
39%
**01
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

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