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Load data for 8.5 x 63 + .338 | 250gr | Lapua Lock Base

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

8.5 x 63 + .338 | 250gr | Lapua Lock Base

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Lapua Lock Base
Manufacturer SKU:
4PL8012 | B408
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.457" | 37.0mm
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:
0.677" | 17.2mm
Shank Seated Depth:
0.412" | 10.5mm
Case Capacity:
75.5 Grains of Water | 4.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B3197_C1207
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 194 loads in caliber 8.5 x 63 with .338 | 250gr | Lapua Lock Base bullet and 97 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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%
55434
89%
**38
100%
ADI AR 2208
<<locked>>
95%
55637
89%
**28
100%
Accurate 2015
<<locked>>
85%
55912
90%
**36
100%
Accurate 2200
<<locked>>
88%
55738
89%
**05
100%
Accurate 2230
<<locked>>
84%
56130
90%
**98
100%
Accurate 2460
<<locked>>
83%
55245
89%
**88
100%
Accurate 2495
<<locked>>
88%
55825
90%
**98
100%
Accurate 2520
<<locked>>
88%
55927
90%
**31
100%
Accurate 2700
<<locked>>
95%
55347
89%
**72
97%
[Accurate 3100]*
<<locked>>
97%
32256
52%
**16
93%
Accurate 4064
<<locked>>
94%
55332
89%
**21
100%
Accurate 4350
<<locked>>
97%
45730
73%
**75
99%
Alliant AR-Comp
<<locked>>
87%
55274
89%
**72
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
56072
90%
**54
100%
Alliant Reloder-15
<<locked>>
92%
55376
89%
**54
100%
Alliant Reloder-16
<<locked>>
97%
45397
73%
**79
99%
Alliant Reloder-17 👍
<<locked>>
97%
51996
83%
**03
100%
[Alliant Reloder-19]*
<<locked>>
97%
39407
63%
**44
92%
Alliant Reloder-23
<<locked>>
97%
32155
52%
**52
97%
Alliant Reloder-26
<<locked>>
97%
35070
56%
**67
95%
Baschieri & Pellagri 107
<<locked>>
90%
55941
90%
**67
100%
Hodgdon BL-C2
<<locked>>
88%
56072
90%
**64
100%
Hodgdon Benchmark
<<locked>>
87%
55825
90%
**69
100%
Hodgdon CFE223 👍
<<locked>>
93%
55521
89%
**97
100%
Hodgdon H322
<<locked>>
86%
55564
89%
**88
100%
Hodgdon H380
<<locked>>
94%
55376
89%
**51
99%
Hodgdon H414
<<locked>>
97%
54404
87%
**90
98%
Hodgdon H4350
<<locked>>
97%
43888
70%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
97%
41974
67%
**80
99%
Hodgdon LVR
<<locked>>
97%
49835
80%
**15
99%
Hodgdon Superperformance
<<locked>>
97%
49879
80%
**44
96%
Hodgdon VARGET
<<locked>>
95%
55941
90%
**31
100%
IMR 3031
<<locked>>
92%
55753
89%
**25
100%
IMR 4064
<<locked>>
96%
55521
89%
**15
100%
IMR 4166 Enduron
<<locked>>
96%
56028
90%
**98
98%
IMR 4350
<<locked>>
96%
46195
74%
**10
95%
IMR 4451 Enduron
<<locked>>
97%
54447
87%
**08
98%
IMR 4831
<<locked>>
96%
38725
62%
**41
97%
IMR 4895
<<locked>>
92%
55985
90%
**70
100%
IMR 8208 XBR
<<locked>>
88%
56130
90%
**15
100%
Lovex D073.5
<<locked>>
84%
55579
89%
**92
100%
Lovex D073.6
<<locked>>
89%
55172
88%
**18
100%
Lovex S060
<<locked>>
89%
55840
90%
**79
100%
Lovex S062
<<locked>>
93%
55796
89%
**18
100%
Lovex S065
<<locked>>
97%
50430
81%
**62
98%
Lovex S070
<<locked>>
96%
47645
76%
**43
97%
Norma 201
<<locked>>
90%
55622
89%
**05
100%
Norma 202
<<locked>>
90%
55811
89%
**05
100%
Norma 203B
<<locked>>
93%
55521
89%
**61
100%
[Norma 204]*
<<locked>>
97%
46847
75%
**49
94%
[Norma MRP]*
<<locked>>
97%
35331
57%
**31
92%
Norma URP
<<locked>>
96%
45063
72%
**62
99%
Ramshot Big Game 👍
<<locked>>
93%
55782
89%
**80
100%
Ramshot Hunter
<<locked>>
97%
45121
72%
**62
97%
Ramshot TAC
<<locked>>
87%
55608
89%
**21
99%
Ramshot Wild Boar
<<locked>>
88%
55376
89%
**41
100%
Ramshot X-Terminator
<<locked>>
85%
55390
89%
**95
100%
ReloadSwiss RS 40
<<locked>>
84%
55216
89%
**92
100%
ReloadSwiss RS 50
<<locked>>
94%
55419
89%
**28
98%
ReloadSwiss RS 52
<<locked>>
93%
55303
89%
**80
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
50517
81%
**97
100%
ReloadSwiss RS 62
<<locked>>
97%
44991
72%
**82
98%
ReloadSwiss RS 70
<<locked>>
96%
45513
73%
**02
98%
Rottweil R 901
<<locked>>
87%
55434
89%
**69
100%
Rottweil R 902
<<locked>>
92%
55898
90%
**02
100%
Rottweil R 903
<<locked>>
96%
55085
88%
**41
100%
Rottweil R 907
<<locked>>
97%
52721
85%
**85
97%
SNPE Vectan SP 11 👍
<<locked>>
96%
55593
89%
**84
100%
SNPE Vectan SP 7
<<locked>>
89%
55985
90%
**28
99%
SNPE Vectan SP 9
<<locked>>
90%
55288
89%
**34
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
56086
90%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
55521
89%
**29
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
50894
82%
**26
97%
Shooters World Long Rifle
<<locked>>
97%
50430
81%
**62
98%
Shooters World Match Rifle
<<locked>>
89%
55172
88%
**18
100%
Shooters World Precision
<<locked>>
93%
55796
89%
**18
100%
Somchem S321
<<locked>>
85%
55796
89%
**28
100%
Somchem S335
<<locked>>
89%
55767
89%
**39
100%
Somchem S341
<<locked>>
89%
55303
89%
**21
100%
Somchem S355
<<locked>>
97%
55782
89%
**44
100%
Somchem S365
<<locked>>
96%
40292
65%
**20
100%
[Somchem S385]*
<<locked>>
97%
38014
61%
**15
93%
Vihtavuori N130
<<locked>>
86%
55724
89%
**03
100%
Vihtavuori N133
<<locked>>
91%
55434
89%
**13
100%
Vihtavuori N135
<<locked>>
97%
53838
86%
**52
100%
Vihtavuori N140
<<locked>>
92%
55622
89%
**79
100%
Vihtavuori N150
<<locked>>
97%
47514
76%
**06
100%
Vihtavuori N160
<<locked>>
97%
50807
81%
**98
99%
Vihtavuori N530
<<locked>>
86%
55695
89%
**15
100%
Vihtavuori N540
<<locked>>
92%
55405
89%
**08
100%
Vihtavuori N550
<<locked>>
97%
50285
81%
**31
99%
Vihtavuori N555
<<locked>>
96%
33939
54%
**08
97%
Winchester 6.5 StaBALL
<<locked>>
97%
48646
78%
**52
100%
Winchester 748
<<locked>>
86%
56115
90%
**54
100%
Winchester 760
<<locked>>
97%
54404
87%
**90
98%
Winchester StaBALL HD
<<locked>>
97%
28660
46%
**23
95%
Winchester StaBALL Match
<<locked>>
83%
55419
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42975
69%
**57
99%
ADI AR 2208
<<locked>>
81%
36753
59%
**33
97%
Accurate 2015
<<locked>>
81%
48617
78%
**47
100%
Accurate 2200
<<locked>>
81%
45208
72%
**57
98%
Accurate 2230
<<locked>>
81%
51416
82%
**43
100%
Accurate 2460
<<locked>>
81%
51329
82%
**39
100%
Accurate 2495
<<locked>>
81%
44092
71%
**51
100%
Accurate 2520
<<locked>>
81%
44382
71%
**77
100%
[Accurate 2700]*
<<locked>>
81%
34925
56%
**47
91%
[Accurate 3100]*
<<locked>>
92%
27470
44%
**08
90%
Accurate 4064
<<locked>>
81%
37130
60%
**59
100%
[Accurate 4350]*
<<locked>>
81%
26527
43%
**95
92%
Alliant AR-Comp
<<locked>>
81%
45092
72%
**51
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
35984
58%
**46
98%
Alliant Reloder-15
<<locked>>
81%
38740
62%
**98
98%
[Alliant Reloder-16]*
<<locked>>
81%
28326
45%
**18
93%
Alliant Reloder-17
<<locked>>
81%
31024
50%
**19
96%
[Alliant Reloder-19]*
<<locked>>
94%
36419
58%
**82
90%
[Alliant Reloder-23]*
<<locked>>
85%
22727
36%
**83
90%
[Alliant Reloder-26]*
<<locked>>
90%
27731
44%
**70
90%
Baschieri & Pellagri 107
<<locked>>
81%
42047
67%
**60
98%
Hodgdon BL-C2
<<locked>>
81%
44063
71%
**03
100%
Hodgdon Benchmark
<<locked>>
81%
47369
76%
**54
100%
Hodgdon CFE223
<<locked>>
81%
36796
59%
**01
97%
Hodgdon H322
<<locked>>
81%
48196
77%
**93
100%
Hodgdon H380
<<locked>>
81%
36579
59%
**56
96%
[Hodgdon H414]*
<<locked>>
81%
31836
51%
**00
91%
[Hodgdon H4350]*
<<locked>>
87%
32445
52%
**54
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25788
41%
**32
94%
[Hodgdon LVR]*
<<locked>>
81%
30197
48%
**54
93%
[Hodgdon Superperformance]*
<<locked>>
85%
33156
53%
**29
90%
Hodgdon VARGET
<<locked>>
81%
36376
58%
**26
97%
IMR 3031
<<locked>>
81%
39233
63%
**08
100%
IMR 4064
<<locked>>
81%
35868
58%
**06
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36201
58%
**80
93%
[IMR 4350]*
<<locked>>
84%
31807
51%
**44
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34026
55%
**64
92%
[IMR 4831]*
<<locked>>
81%
24163
39%
**03
91%
IMR 4895
<<locked>>
81%
39566
63%
**28
99%
IMR 8208 XBR
<<locked>>
81%
45063
72%
**64
100%
Lovex D073.5
<<locked>>
81%
50995
82%
**36
100%
Lovex D073.6
<<locked>>
81%
41568
67%
**38
100%
Lovex S060
<<locked>>
81%
43265
69%
**98
99%
Lovex S062
<<locked>>
81%
38072
61%
**62
99%
[Lovex S065]*
<<locked>>
81%
31343
50%
**21
93%
[Lovex S070]*
<<locked>>
81%
29501
47%
**98
90%
Norma 201
<<locked>>
81%
42235
68%
**15
100%
Norma 202
<<locked>>
81%
42293
68%
**24
100%
Norma 203B
<<locked>>
81%
37971
61%
**92
98%
[Norma 204]*
<<locked>>
89%
36695
59%
**69
90%
[Norma MRP]*
<<locked>>
94%
32576
52%
**65
90%
[Norma URP]*
<<locked>>
81%
27717
44%
**05
92%
Ramshot Big Game
<<locked>>
81%
37507
60%
**08
98%
[Ramshot Hunter]*
<<locked>>
83%
28645
46%
**21
90%
Ramshot TAC
<<locked>>
81%
44976
72%
**67
97%
Ramshot Wild Boar
<<locked>>
81%
44425
71%
**90
99%
Ramshot X-Terminator
<<locked>>
81%
48704
78%
**03
100%
ReloadSwiss RS 40
<<locked>>
81%
50734
81%
**33
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36970
59%
**36
94%
ReloadSwiss RS 52
<<locked>>
81%
36535
59%
**01
99%
ReloadSwiss RS 60
<<locked>>
81%
30240
48%
**03
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
26818
43%
**08
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
28036
45%
**21
90%
Rottweil R 901
<<locked>>
81%
46137
74%
**47
100%
Rottweil R 902
<<locked>>
81%
40364
65%
**78
99%
Rottweil R 903
<<locked>>
81%
33388
54%
**03
98%
[Rottweil R 907]*
<<locked>>
81%
32489
52%
**34
90%
SNPE Vectan SP 11
<<locked>>
81%
34243
55%
**46
97%
SNPE Vectan SP 7
<<locked>>
81%
43308
69%
**47
98%
SNPE Vectan SP 9
<<locked>>
81%
41452
66%
**31
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
43816
70%
**78
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36114
58%
**67
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30052
48%
**72
90%
[Shooters World Long Rifle]*
<<locked>>
81%
31343
50%
**21
93%
Shooters World Match Rifle
<<locked>>
81%
41568
67%
**38
100%
Shooters World Precision
<<locked>>
81%
38072
61%
**62
99%
Somchem S321
<<locked>>
81%
48849
78%
**36
100%
Somchem S335
<<locked>>
81%
43337
69%
**82
100%
Somchem S341
<<locked>>
81%
42931
69%
**44
99%
Somchem S355
<<locked>>
81%
34418
55%
**10
98%
Somchem S365
<<locked>>
81%
24831
40%
**62
95%
[Somchem S385]*
<<locked>>
91%
31981
51%
**93
90%
Vihtavuori N130
<<locked>>
81%
48675
78%
**15
100%
Vihtavuori N133
<<locked>>
81%
41060
66%
**29
100%
Vihtavuori N135
<<locked>>
81%
33576
54%
**64
100%
Vihtavuori N140
<<locked>>
81%
39421
63%
**59
100%
Vihtavuori N150
<<locked>>
81%
29370
47%
**91
98%
[Vihtavuori N160]*
<<locked>>
81%
30037
48%
**34
94%
Vihtavuori N530
<<locked>>
81%
47659
76%
**10
100%
Vihtavuori N540
<<locked>>
81%
39334
63%
**82
100%
[Vihtavuori N550]*
<<locked>>
81%
30429
49%
**73
94%
[Vihtavuori N555]*
<<locked>>
84%
22858
37%
**16
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29109
47%
**91
96%
Winchester 748
<<locked>>
81%
48022
77%
**52
100%
[Winchester 760]*
<<locked>>
81%
31836
51%
**00
91%
[Winchester StaBALL HD]*
<<locked>>
92%
24395
39%
**78
91%
Winchester StaBALL Match
<<locked>>
81%
50821
81%
**88
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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