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Load data for 8.5 x 63 + .338 | 225gr | Hornady InterLock SP-RP

Recommended Powder(s):

8.5 x 63 + .338 | 225gr | Hornady InterLock SP-RP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Hornady InterLock SP-RP
Manufacturer SKU:
3320
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
8.5 x 63 load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
75.5 Grains of Water | 4.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10729_C1207
Last updated:
2026-03-25

Load data for 206 loads in caliber 8.5 x 63 with .338 | 225gr | Hornady InterLock SP-RP bullet and 103 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.

    .

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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>>
91%
55912
90%
**05
100%
ADI AR 2208
<<locked>>
96%
55680
89%
**85
100%
ADI Benchmark 8208
<<locked>>
89%
55898
90%
**75
100%
Accurate 2015
<<locked>>
87%
55651
89%
**00
100%
Accurate 2200
<<locked>>
89%
56072
90%
**72
99%
Accurate 2230
<<locked>>
85%
55172
88%
**52
100%
Accurate 2460
<<locked>>
85%
56086
90%
**62
100%
Accurate 2495
<<locked>>
91%
56057
90%
**75
100%
Accurate 2520
<<locked>>
89%
55956
90%
**92
100%
Accurate 2700
<<locked>>
97%
55608
89%
**26
96%
Accurate 4064
<<locked>>
96%
56130
90%
**95
100%
Accurate 4350
<<locked>>
97%
42351
68%
**70
97%
Alliant AR-Comp
<<locked>>
89%
55317
89%
**39
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
93%
55608
89%
**13
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55492
89%
**15
100%
Alliant Reloder-10x
<<locked>>
84%
55666
89%
**07
100%
Alliant Reloder-15
<<locked>>
94%
55448
89%
**18
100%
Alliant Reloder-16
<<locked>>
97%
43120
69%
**84
98%
Alliant Reloder-17
<<locked>>
97%
49182
79%
**18
100%
[Alliant Reloder-23]*
<<locked>>
97%
30197
48%
**34
94%
[Alliant Reloder-26]*
<<locked>>
97%
32561
52%
**29
92%
Baschieri & Pellagri 107
<<locked>>
91%
55869
90%
**21
99%
Bofors RP3
<<locked>>
96%
55230
89%
**15
100%
Bofors RP7
<<locked>>
97%
50357
81%
**00
95%
Hodgdon BL-C2
<<locked>>
89%
56028
90%
**25
100%
Hodgdon Benchmark
<<locked>>
88%
55477
89%
**23
100%
Hodgdon CFE223 👍
<<locked>>
95%
55999
90%
**61
99%
Hodgdon H322
<<locked>>
87%
55753
89%
**56
100%
Hodgdon H380
<<locked>>
96%
55637
89%
**12
99%
Hodgdon H414
<<locked>>
97%
51010
82%
**95
96%
[Hodgdon H4350]*
<<locked>>
97%
41756
67%
**82
93%
Hodgdon H4895
<<locked>>
90%
55332
89%
**02
100%
Hodgdon Hybrid 100V
<<locked>>
97%
39334
63%
**85
98%
Hodgdon LVR
<<locked>>
97%
46905
75%
**26
98%
Hodgdon Superperformance
<<locked>>
97%
47326
76%
**52
95%
Hodgdon VARGET
<<locked>>
96%
55419
89%
**82
100%
Hodgdon TrailBoss
<<locked>>
96%
33083
53%
**03
100%
IMR 3031
<<locked>>
94%
55317
89%
**92
100%
IMR 4064
<<locked>>
97%
55114
88%
**69
100%
IMR 4166 Enduron
<<locked>>
97%
54607
88%
**39
97%
IMR 4198
<<locked>>
84%
55419
89%
**61
100%
[IMR 4350]*
<<locked>>
97%
43801
70%
**15
94%
IMR 4451 Enduron
<<locked>>
97%
52417
84%
**36
96%
IMR 4831
<<locked>>
97%
36260
58%
**36
96%
IMR 4895 👍
<<locked>>
93%
55782
89%
**35
100%
IMR 8208 XBR
<<locked>>
89%
55898
90%
**75
100%
Lovex D073.4
<<locked>>
84%
55796
89%
**43
100%
Lovex D073.5
<<locked>>
85%
55753
89%
**59
100%
Lovex D073.6
<<locked>>
91%
55956
90%
**92
100%
Lovex S060
<<locked>>
91%
55405
89%
**30
100%
Lovex S062
<<locked>>
95%
55390
89%
**79
100%
Lovex S065
<<locked>>
97%
48167
77%
**77
97%
Lovex S070
<<locked>>
97%
45136
72%
**51
95%
Norma 201
<<locked>>
92%
55463
89%
**69
100%
Norma 202
<<locked>>
91%
55637
89%
**66
100%
Norma 203B
<<locked>>
95%
55332
89%
**15
100%
[Norma 204]*
<<locked>>
97%
43801
70%
**44
92%
Norma URP
<<locked>>
97%
42844
69%
**67
97%
Ramshot Big Game
<<locked>>
94%
55085
88%
**35
100%
Ramshot Hunter
<<locked>>
97%
42119
68%
**51
95%
Ramshot TAC
<<locked>>
89%
55883
90%
**85
99%
Ramshot Wild Boar
<<locked>>
89%
55390
89%
**02
100%
Ramshot X-Terminator
<<locked>>
86%
55405
89%
**56
100%
ReloadSwiss RS 14
<<locked>>
96%
33272
53%
**39
100%
ReloadSwiss RS 40
<<locked>>
85%
55071
88%
**49
100%
ReloadSwiss RS 50
<<locked>>
95%
55854
90%
**89
98%
ReloadSwiss RS 52 👍
<<locked>>
92%
55622
89%
**77
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52808
85%
**77
100%
ReloadSwiss RS 62
<<locked>>
97%
42540
68%
**93
97%
ReloadSwiss RS 70
<<locked>>
97%
43816
70%
**13
96%
Rottweil R 901
<<locked>>
89%
55825
90%
**43
100%
Rottweil R 902
<<locked>>
94%
56130
90%
**66
100%
Rottweil R 903
<<locked>>
97%
52040
83%
**66
100%
Rottweil R 907
<<locked>>
97%
50357
81%
**00
95%
SNPE Vectan SP 11
<<locked>>
97%
54012
87%
**28
100%
SNPE Vectan SP 7
<<locked>>
90%
55550
89%
**82
99%
SNPE Vectan SP 9
<<locked>>
92%
55434
89%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
55506
89%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
56043
90%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48283
77%
**34
96%
Shooters World Long Rifle
<<locked>>
97%
48167
77%
**77
97%
Shooters World Match Rifle
<<locked>>
91%
55956
90%
**92
100%
Shooters World Precision
<<locked>>
95%
55390
89%
**79
100%
Shooters World Tactical Rifle
<<locked>>
83%
55521
89%
**30
100%
Somchem S321
<<locked>>
87%
55724
89%
**89
100%
Somchem S335
<<locked>>
91%
55825
90%
**00
100%
Somchem S341
<<locked>>
90%
55999
90%
**92
100%
Somchem S355
<<locked>>
97%
53069
85%
**75
100%
Somchem S365
<<locked>>
97%
37898
61%
**21
99%
Vihtavuori N130
<<locked>>
87%
55622
89%
**61
100%
Vihtavuori N133
<<locked>>
93%
55811
89%
**80
100%
Vihtavuori N135
<<locked>>
97%
50865
82%
**80
100%
Vihtavuori N140
<<locked>>
94%
55651
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
44962
72%
**25
100%
Vihtavuori N160
<<locked>>
97%
47456
76%
**07
98%
Vihtavuori N530
<<locked>>
87%
55114
88%
**72
100%
Vihtavuori N540
<<locked>>
94%
55738
89%
**72
100%
Vihtavuori N550
<<locked>>
97%
47268
76%
**43
98%
[Vihtavuori N555]*
<<locked>>
97%
31618
51%
**93
94%
Winchester 6.5 StaBALL
<<locked>>
97%
45992
74%
**64
99%
Winchester 748
<<locked>>
87%
55434
89%
**08
100%
Winchester 760
<<locked>>
97%
51010
82%
**95
96%
Winchester StaBALL Match
<<locked>>
85%
55970
90%
**12
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40872
66%
**72
98%
ADI AR 2208
<<locked>>
81%
34519
55%
**28
96%
ADI Benchmark 8208
<<locked>>
81%
43062
69%
**82
99%
Accurate 2015
<<locked>>
81%
46050
74%
**72
100%
Accurate 2200
<<locked>>
81%
42815
69%
**65
97%
Accurate 2230
<<locked>>
81%
48399
78%
**54
100%
Accurate 2460
<<locked>>
81%
48341
78%
**61
100%
Accurate 2495
<<locked>>
81%
40683
65%
**62
100%
Accurate 2520
<<locked>>
81%
41785
67%
**88
100%
[Accurate 2700]*
<<locked>>
83%
35795
57%
**95
90%
Accurate 4064
<<locked>>
81%
34098
55%
**57
100%
[Accurate 4350]*
<<locked>>
83%
25759
41%
**06
90%
Alliant AR-Comp
<<locked>>
81%
42090
67%
**72
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
36811
59%
**79
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
33562
54%
**41
97%
Alliant Reloder-10x
<<locked>>
81%
50401
81%
**34
100%
Alliant Reloder-15
<<locked>>
81%
36463
58%
**06
96%
[Alliant Reloder-16]*
<<locked>>
82%
27267
44%
**10
90%
[Alliant Reloder-17]*
<<locked>>
81%
29109
47%
**98
94%
[Alliant Reloder-23]*
<<locked>>
90%
24540
39%
**64
90%
[Alliant Reloder-26]*
<<locked>>
94%
30037
48%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
39581
63%
**62
97%
Bofors RP3
<<locked>>
81%
32735
52%
**38
97%
[Bofors RP7]*
<<locked>>
85%
34287
55%
**08
90%
Hodgdon BL-C2
<<locked>>
81%
41495
67%
**08
99%
Hodgdon Benchmark
<<locked>>
81%
45049
72%
**75
100%
Hodgdon CFE223
<<locked>>
81%
34664
56%
**97
95%
Hodgdon H322
<<locked>>
81%
45469
73%
**15
100%
[Hodgdon H380]*
<<locked>>
81%
34026
55%
**44
94%
[Hodgdon H414]*
<<locked>>
84%
33083
53%
**60
90%
[Hodgdon H4350]*
<<locked>>
91%
35085
56%
**47
90%
Hodgdon H4895
<<locked>>
81%
41162
66%
**79
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23772
38%
**98
91%
[Hodgdon LVR]*
<<locked>>
81%
28369
45%
**36
90%
[Hodgdon Superperformance]*
<<locked>>
89%
36289
58%
**36
90%
Hodgdon VARGET
<<locked>>
81%
34301
55%
**18
95%
Hodgdon TrailBoss
<<locked>>
93%
31734
51%
**80
100%
IMR 3031
<<locked>>
81%
36753
59%
**13
100%
IMR 4064
<<locked>>
81%
33765
54%
**05
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34098
55%
**72
91%
IMR 4198
<<locked>>
81%
50821
81%
**02
100%
[IMR 4350]*
<<locked>>
89%
35012
56%
**44
90%
[IMR 4451 Enduron]*
<<locked>>
82%
33228
53%
**82
90%
[IMR 4831]*
<<locked>>
86%
25730
41%
**80
90%
IMR 4895
<<locked>>
81%
37478
60%
**36
97%
IMR 8208 XBR
<<locked>>
81%
43062
69%
**82
99%
Lovex D073.4
<<locked>>
81%
50357
81%
**77
100%
Lovex D073.5
<<locked>>
81%
47892
77%
**54
100%
Lovex D073.6
<<locked>>
81%
38957
62%
**46
100%
Lovex S060
<<locked>>
81%
41466
66%
**13
98%
Lovex S062
<<locked>>
81%
35868
58%
**60
98%
[Lovex S065]*
<<locked>>
81%
29327
47%
**10
90%
[Lovex S070]*
<<locked>>
86%
31821
51%
**82
90%
Norma 201
<<locked>>
81%
39813
64%
**26
99%
Norma 202
<<locked>>
81%
39929
64%
**33
100%
Norma 203B
<<locked>>
81%
35839
57%
**93
97%
[Norma 204]*
<<locked>>
94%
39624
64%
**69
90%
[Norma URP]*
<<locked>>
82%
26614
43%
**03
90%
Ramshot Big Game
<<locked>>
81%
35201
56%
**00
96%
[Ramshot Hunter]*
<<locked>>
87%
31009
50%
**11
90%
Ramshot TAC
<<locked>>
81%
42772
69%
**79
96%
Ramshot Wild Boar
<<locked>>
81%
41829
67%
**95
98%
Ramshot X-Terminator
<<locked>>
81%
46644
75%
**28
99%
ReloadSwiss RS 14
<<locked>>
90%
30429
49%
**86
100%
ReloadSwiss RS 40
<<locked>>
81%
48341
78%
**57
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34838
56%
**31
92%
ReloadSwiss RS 52
<<locked>>
81%
37768
61%
**92
97%
ReloadSwiss RS 60
<<locked>>
81%
31009
50%
**60
98%
[ReloadSwiss RS 62]*
<<locked>>
84%
27137
44%
**39
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
30574
49%
**15
90%
Rottweil R 901
<<locked>>
81%
43627
70%
**65
100%
Rottweil R 902
<<locked>>
81%
37753
61%
**77
98%
Rottweil R 903
<<locked>>
81%
30806
49%
**85
96%
[Rottweil R 907]*
<<locked>>
85%
34287
55%
**08
90%
SNPE Vectan SP 11
<<locked>>
81%
32271
52%
**34
95%
SNPE Vectan SP 7
<<locked>>
81%
40480
65%
**46
96%
SNPE Vectan SP 9
<<locked>>
81%
39218
63%
**36
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41423
66%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33968
54%
**65
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
31502
51%
**39
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29327
47%
**10
90%
Shooters World Match Rifle
<<locked>>
81%
38957
62%
**46
100%
Shooters World Precision
<<locked>>
81%
35868
58%
**60
98%
Shooters World Tactical Rifle
<<locked>>
81%
51053
82%
**74
100%
Somchem S321
<<locked>>
81%
45948
74%
**48
100%
Somchem S335
<<locked>>
81%
41002
66%
**93
100%
Somchem S341
<<locked>>
81%
40277
65%
**49
98%
Somchem S355
<<locked>>
81%
32039
51%
**98
96%
[Somchem S365]*
<<locked>>
81%
22931
37%
**24
92%
Vihtavuori N130
<<locked>>
81%
46224
74%
**39
100%
Vihtavuori N133
<<locked>>
81%
39059
63%
**47
100%
Vihtavuori N135
<<locked>>
81%
30980
50%
**56
100%
Vihtavuori N140
<<locked>>
81%
37115
60%
**67
100%
Vihtavuori N150
<<locked>>
81%
27209
44%
**73
96%
[Vihtavuori N160]*
<<locked>>
81%
28050
45%
**10
91%
Vihtavuori N530
<<locked>>
81%
45034
72%
**28
100%
Vihtavuori N540
<<locked>>
81%
36869
59%
**83
100%
[Vihtavuori N550]*
<<locked>>
81%
28123
45%
**49
91%
[Vihtavuori N555]*
<<locked>>
89%
24889
40%
**03
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27209
44%
**70
93%
Winchester 748
<<locked>>
81%
45194
72%
**64
100%
[Winchester 760]*
<<locked>>
84%
33083
53%
**60
90%
Winchester StaBALL Match
<<locked>>
81%
48211
77%
**10
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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