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Load data for 8.5 x 63 + .338 | 225gr | Speer Grand Slam

Recommended Powder(s):

8.5 x 63 + .338 | 225gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Speer Grand Slam
Manufacturer SKU:
2407
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.160" | 29.5mm
Caliber:
8.5 x 63 load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
3.260" | 82.8mm
Seated Depth:
0.380" | 9.6mm
Shank Seated Depth:
0.380" | 9.6mm
Case Capacity:
75.5 Grains of Water | 4.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6192_C1207
Last updated:
2025-01-01

Load data for 192 loads in caliber 8.5 x 63 with .338 | 225gr | Speer Grand Slam bullet and 96 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".

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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 2206H
<<locked>>
89%
55506
89%
**08
100%
ADI AR 2208
<<locked>>
95%
55854
90%
**95
100%
Accurate 2015
<<locked>>
85%
55593
89%
**03
100%
Accurate 2200
<<locked>>
87%
55680
89%
**72
99%
Accurate 2230
<<locked>>
83%
55216
89%
**56
100%
Accurate 2460
<<locked>>
83%
55332
89%
**56
100%
Accurate 2495
<<locked>>
88%
55608
89%
**69
100%
Accurate 2520
<<locked>>
88%
55753
89%
**98
100%
Accurate 2700
<<locked>>
95%
55927
90%
**36
96%
[Accurate 3100]*
<<locked>>
97%
32053
51%
**51
92%
Accurate 4064
<<locked>>
94%
55492
89%
**92
100%
Accurate 4350
<<locked>>
97%
45658
73%
**30
98%
Alliant AR-Comp
<<locked>>
88%
55985
90%
**52
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
56028
90%
**18
100%
Alliant Reloder-10x
<<locked>>
83%
55898
90%
**13
100%
Alliant Reloder-15
<<locked>>
93%
55854
90%
**31
100%
Alliant Reloder-16
<<locked>>
97%
45455
73%
**39
98%
Alliant Reloder-17 👍
<<locked>>
97%
52504
84%
**80
100%
Alliant Reloder-23
<<locked>>
97%
32460
52%
**97
96%
[Alliant Reloder-26]*
<<locked>>
97%
35041
56%
**98
94%
Baschieri & Pellagri 107
<<locked>>
89%
55361
89%
**25
99%
Hodgdon BL-C2
<<locked>>
88%
55825
90%
**28
100%
Hodgdon Benchmark
<<locked>>
87%
55869
90%
**39
100%
Hodgdon CFE223 👍
<<locked>>
93%
55434
89%
**61
99%
Hodgdon H322
<<locked>>
86%
55434
89%
**59
100%
Hodgdon H380
<<locked>>
94%
55506
89%
**18
99%
Hodgdon H414
<<locked>>
97%
53635
86%
**51
97%
[Hodgdon H4350]*
<<locked>>
97%
44266
71%
**34
94%
Hodgdon Hybrid 100V
<<locked>>
97%
42134
68%
**41
99%
Hodgdon LVR
<<locked>>
97%
49792
80%
**79
98%
Hodgdon Superperformance
<<locked>>
97%
49806
80%
**08
96%
Hodgdon VARGET
<<locked>>
95%
55593
89%
**89
100%
IMR 3031
<<locked>>
92%
55898
90%
**98
100%
IMR 4064
<<locked>>
95%
55361
89%
**82
100%
IMR 4166 Enduron
<<locked>>
96%
55709
89%
**62
97%
IMR 4350
<<locked>>
97%
46354
74%
**70
95%
IMR 4451 Enduron
<<locked>>
97%
54897
88%
**75
97%
IMR 4831
<<locked>>
97%
39117
63%
**98
97%
IMR 4895
<<locked>>
92%
55463
89%
**35
100%
IMR 8208 XBR
<<locked>>
88%
55535
89%
**75
100%
Lovex D073.5
<<locked>>
84%
55854
90%
**59
100%
Lovex D073.6
<<locked>>
90%
56028
90%
**98
100%
Lovex S060
<<locked>>
89%
55550
89%
**43
100%
Lovex S062
<<locked>>
93%
55985
90%
**92
100%
Lovex S065
<<locked>>
97%
50865
82%
**30
98%
Lovex S070
<<locked>>
97%
48109
77%
**03
96%
Norma 201
<<locked>>
90%
55448
89%
**72
100%
Norma 202
<<locked>>
90%
55245
89%
**66
100%
Norma 203B
<<locked>>
93%
55680
89%
**28
100%
[Norma 204]*
<<locked>>
97%
46992
75%
**10
93%
Norma URP
<<locked>>
97%
45498
73%
**23
98%
Ramshot Big Game 👍
<<locked>>
93%
55753
89%
**44
100%
Ramshot Hunter
<<locked>>
97%
45092
72%
**20
96%
Ramshot TAC
<<locked>>
87%
55680
89%
**85
99%
Ramshot Wild Boar
<<locked>>
88%
55985
90%
**21
100%
Ramshot X-Terminator
<<locked>>
85%
55332
89%
**59
100%
ReloadSwiss RS 40
<<locked>>
84%
55506
89%
**66
100%
ReloadSwiss RS 50
<<locked>>
94%
55506
89%
**92
98%
ReloadSwiss RS 52
<<locked>>
94%
55912
90%
**57
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
50836
82%
**71
100%
ReloadSwiss RS 62
<<locked>>
97%
45324
73%
**49
98%
ReloadSwiss RS 70
<<locked>>
97%
45716
73%
**62
97%
Rottweil R 901
<<locked>>
87%
55883
90%
**46
100%
Rottweil R 902
<<locked>>
92%
55898
90%
**72
100%
Rottweil R 903
<<locked>>
97%
55187
88%
**15
100%
Rottweil R 907
<<locked>>
97%
53098
85%
**52
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
55985
90%
**57
100%
SNPE Vectan SP 7
<<locked>>
88%
55434
89%
**89
99%
SNPE Vectan SP 9
<<locked>>
90%
55651
89%
**05
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
55883
90%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
55317
89%
**93
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
51082
82%
**84
96%
Shooters World Long Rifle
<<locked>>
97%
50865
82%
**30
98%
Shooters World Match Rifle
<<locked>>
90%
56028
90%
**98
100%
Shooters World Precision
<<locked>>
93%
55985
90%
**92
100%
Somchem S321
<<locked>>
85%
55811
89%
**98
100%
Somchem S335
<<locked>>
89%
55550
89%
**00
100%
Somchem S341
<<locked>>
89%
55811
89%
**92
100%
Somchem S355
<<locked>>
96%
55535
89%
**12
100%
Somchem S365
<<locked>>
97%
40596
65%
**77
100%
[Somchem S385]*
<<locked>>
97%
38000
61%
**56
92%
Vihtavuori N130
<<locked>>
85%
55158
88%
**61
100%
Vihtavuori N133
<<locked>>
91%
55695
89%
**84
100%
Vihtavuori N135
<<locked>>
97%
53998
87%
**23
100%
Vihtavuori N140
<<locked>>
92%
55941
90%
**52
100%
Vihtavuori N150
<<locked>>
97%
47587
76%
**70
100%
Vihtavuori N160
<<locked>>
97%
50140
80%
**49
99%
Vihtavuori N530
<<locked>>
86%
55521
89%
**82
100%
Vihtavuori N540
<<locked>>
92%
56028
90%
**82
100%
Vihtavuori N550
<<locked>>
97%
50705
81%
**02
99%
Vihtavuori N555
<<locked>>
97%
34142
55%
**59
96%
Winchester 6.5 StaBALL
<<locked>>
97%
48617
78%
**10
100%
Winchester 748
<<locked>>
86%
56014
90%
**21
100%
Winchester 760
<<locked>>
97%
53635
86%
**51
97%
[Winchester StaBALL HD]*
<<locked>>
97%
28747
46%
**51
94%
Winchester StaBALL Match
<<locked>>
84%
55782
89%
**18
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43076
69%
**11
99%
ADI AR 2208
<<locked>>
81%
36521
59%
**70
96%
Accurate 2015
<<locked>>
81%
48718
78%
**15
100%
Accurate 2200
<<locked>>
81%
45237
73%
**18
98%
Accurate 2230
<<locked>>
81%
50937
82%
**97
100%
Accurate 2460
<<locked>>
81%
51329
82%
**03
100%
Accurate 2495
<<locked>>
81%
43947
70%
**08
100%
Accurate 2520
<<locked>>
81%
44425
71%
**34
100%
[Accurate 2700]*
<<locked>>
81%
35070
56%
**85
90%
[Accurate 3100]*
<<locked>>
94%
29515
47%
**85
90%
Accurate 4064
<<locked>>
81%
37144
60%
**10
100%
[Accurate 4350]*
<<locked>>
81%
26629
43%
**26
91%
Alliant AR-Comp
<<locked>>
81%
44817
72%
**08
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
35810
57%
**87
98%
Alliant Reloder-10x
<<locked>>
81%
52634
84%
**70
100%
Alliant Reloder-15
<<locked>>
81%
38696
62%
**49
97%
[Alliant Reloder-16]*
<<locked>>
81%
28094
45%
**39
91%
Alliant Reloder-17
<<locked>>
81%
31096
50%
**54
95%
[Alliant Reloder-23]*
<<locked>>
87%
24294
39%
**54
90%
[Alliant Reloder-26]*
<<locked>>
91%
29211
47%
**44
90%
Baschieri & Pellagri 107
<<locked>>
81%
41756
67%
**11
97%
Hodgdon BL-C2
<<locked>>
81%
44106
71%
**57
100%
Hodgdon Benchmark
<<locked>>
81%
47297
76%
**11
100%
Hodgdon CFE223
<<locked>>
81%
36825
59%
**46
96%
Hodgdon H322
<<locked>>
81%
47718
77%
**51
100%
Hodgdon H380
<<locked>>
81%
36521
59%
**97
95%
[Hodgdon H414]*
<<locked>>
81%
32300
52%
**47
90%
[Hodgdon H4350]*
<<locked>>
89%
34534
55%
**41
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25527
41%
**54
92%
[Hodgdon LVR]*
<<locked>>
81%
30168
48%
**88
92%
[Hodgdon Superperformance]*
<<locked>>
87%
35346
57%
**20
90%
Hodgdon VARGET
<<locked>>
81%
36303
58%
**67
96%
IMR 3031
<<locked>>
81%
39320
63%
**59
100%
IMR 4064
<<locked>>
81%
35839
57%
**54
96%
[IMR 4166 Enduron]*
<<locked>>
81%
36013
58%
**18
92%
[IMR 4350]*
<<locked>>
87%
34461
55%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
81%
33939
54%
**01
91%
[IMR 4831]*
<<locked>>
83%
25179
40%
**60
90%
IMR 4895
<<locked>>
81%
39682
64%
**79
98%
IMR 8208 XBR
<<locked>>
81%
45194
72%
**25
100%
Lovex D073.5
<<locked>>
81%
50865
82%
**97
100%
Lovex D073.6
<<locked>>
81%
41800
67%
**98
100%
Lovex S060
<<locked>>
81%
43366
70%
**56
99%
Lovex S062
<<locked>>
81%
38174
61%
**10
99%
[Lovex S065]*
<<locked>>
81%
31372
50%
**56
92%
[Lovex S070]*
<<locked>>
83%
31343
50%
**72
90%
Norma 201
<<locked>>
81%
42264
68%
**69
99%
Norma 202
<<locked>>
81%
42264
68%
**79
100%
Norma 203B
<<locked>>
81%
38218
61%
**43
98%
[Norma 204]*
<<locked>>
91%
38870
62%
**59
90%
[Norma URP]*
<<locked>>
81%
27630
44%
**36
91%
Ramshot Big Game
<<locked>>
81%
37376
60%
**49
97%
[Ramshot Hunter]*
<<locked>>
85%
30690
49%
**08
90%
Ramshot TAC
<<locked>>
81%
44889
72%
**21
97%
Ramshot Wild Boar
<<locked>>
81%
44382
71%
**41
99%
Ramshot X-Terminator
<<locked>>
81%
48936
78%
**64
99%
ReloadSwiss RS 40
<<locked>>
81%
50705
81%
**97
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37028
59%
**83
93%
ReloadSwiss RS 52
<<locked>>
81%
36477
58%
**46
99%
ReloadSwiss RS 60
<<locked>>
81%
30298
49%
**44
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
26905
43%
**39
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
30110
48%
**05
90%
Rottweil R 901
<<locked>>
81%
46369
74%
**08
100%
Rottweil R 902
<<locked>>
81%
40045
64%
**23
99%
Rottweil R 903
<<locked>>
81%
33272
53%
**44
97%
[Rottweil R 907]*
<<locked>>
82%
33533
54%
**95
90%
SNPE Vectan SP 11
<<locked>>
81%
34316
55%
**90
96%
SNPE Vectan SP 7
<<locked>>
81%
43047
69%
**95
97%
SNPE Vectan SP 9
<<locked>>
81%
41263
66%
**79
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
43801
70%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36071
58%
**08
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
31415
50%
**36
90%
[Shooters World Long Rifle]*
<<locked>>
81%
31372
50%
**56
92%
Shooters World Match Rifle
<<locked>>
81%
41800
67%
**98
100%
Shooters World Precision
<<locked>>
81%
38174
61%
**10
99%
Somchem S321
<<locked>>
81%
48530
78%
**93
100%
Somchem S335
<<locked>>
81%
43366
70%
**33
100%
Somchem S341
<<locked>>
81%
42641
68%
**95
98%
Somchem S355
<<locked>>
81%
34316
55%
**51
97%
[Somchem S365]*
<<locked>>
81%
24787
40%
**87
94%
[Somchem S385]*
<<locked>>
93%
33997
55%
**74
90%
Vihtavuori N130
<<locked>>
81%
48805
78%
**79
100%
Vihtavuori N133
<<locked>>
81%
40930
66%
**80
100%
Vihtavuori N135
<<locked>>
81%
33156
53%
**98
100%
Vihtavuori N140
<<locked>>
81%
39305
63%
**10
100%
Vihtavuori N150
<<locked>>
81%
29022
47%
**16
97%
[Vihtavuori N160]*
<<locked>>
81%
30023
48%
**65
93%
Vihtavuori N530
<<locked>>
81%
47282
76%
**61
100%
Vihtavuori N540
<<locked>>
81%
39073
63%
**29
100%
[Vihtavuori N550]*
<<locked>>
81%
30371
49%
**08
93%
[Vihtavuori N555]*
<<locked>>
86%
24453
39%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29008
47%
**19
95%
Winchester 748
<<locked>>
81%
47863
77%
**13
100%
[Winchester 760]*
<<locked>>
81%
32300
52%
**47
90%
[Winchester StaBALL HD]*
<<locked>>
93%
25469
41%
**33
90%
Winchester StaBALL Match
<<locked>>
81%
50676
81%
**49
100%

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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