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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, ReloadSwiss RS 60, SNPE Vectan SP 11

8.5 x 63 R + .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 R 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:
55114 psi | 3800 bar
LID:
LID_B3197_C1208
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 168 loads in caliber 8.5 x 63 R with .338 | 250gr | Lapua Lock Base bullet and 84 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, 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>>
85%
49284
89%
**52
100%
ADI AR 2208
<<locked>>
91%
49385
90%
**39
99%
Accurate 2200
<<locked>>
84%
49371
90%
**23
99%
Accurate 2495
<<locked>>
84%
49197
89%
**23
100%
Accurate 2520
<<locked>>
84%
49269
89%
**49
100%
Accurate 2700
<<locked>>
91%
49081
89%
**87
96%
[Accurate 3100]*
<<locked>>
97%
32256
59%
**16
93%
Accurate 4064
<<locked>>
90%
49197
89%
**43
100%
Accurate 4350
<<locked>>
97%
45730
83%
**75
99%
Alliant AR-Comp
<<locked>>
84%
49458
90%
**03
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
49081
89%
**62
100%
Alliant Reloder-15
<<locked>>
89%
49168
89%
**72
100%
Alliant Reloder-16
<<locked>>
97%
45397
82%
**79
99%
Alliant Reloder-17 👍
<<locked>>
95%
49400
90%
**67
100%
[Alliant Reloder-19]*
<<locked>>
97%
39407
72%
**44
92%
Alliant Reloder-23
<<locked>>
97%
32155
58%
**52
97%
Alliant Reloder-26
<<locked>>
97%
35070
64%
**67
95%
Baschieri & Pellagri 107
<<locked>>
86%
49052
89%
**72
99%
Hodgdon BL-C2
<<locked>>
84%
48979
89%
**72
100%
Hodgdon CFE223 👍
<<locked>>
90%
49197
89%
**15
99%
Hodgdon H380 👍
<<locked>>
90%
49095
89%
**69
99%
Hodgdon H414
<<locked>>
94%
48936
89%
**18
97%
Hodgdon H4350
<<locked>>
97%
43888
80%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
97%
41974
76%
**80
99%
Hodgdon LVR
<<locked>>
96%
49081
89%
**08
99%
Hodgdon Superperformance
<<locked>>
96%
49168
89%
**38
96%
Hodgdon VARGET
<<locked>>
91%
48921
89%
**33
99%
IMR 3031
<<locked>>
88%
48849
89%
**43
100%
IMR 4064
<<locked>>
91%
49211
89%
**29
100%
IMR 4166 Enduron
<<locked>>
91%
49037
89%
**03
97%
IMR 4350
<<locked>>
96%
46195
84%
**10
95%
IMR 4451 Enduron
<<locked>>
93%
49458
90%
**36
97%
IMR 4831
<<locked>>
96%
38725
70%
**41
97%
IMR 4895
<<locked>>
88%
49487
90%
**85
100%
IMR 8208 XBR
<<locked>>
84%
49139
89%
**20
100%
Lovex D073.6
<<locked>>
86%
49603
90%
**52
100%
Lovex S060
<<locked>>
85%
49603
90%
**97
100%
Lovex S062
<<locked>>
89%
49516
90%
**39
100%
Lovex S065
<<locked>>
96%
48907
89%
**39
98%
Lovex S070
<<locked>>
96%
47645
86%
**43
97%
Norma 201
<<locked>>
86%
49443
90%
**26
100%
Norma 202
<<locked>>
86%
49255
89%
**26
100%
Norma 203B
<<locked>>
89%
49284
89%
**75
100%
[Norma 204]*
<<locked>>
97%
46847
85%
**49
94%
[Norma MRP]*
<<locked>>
97%
35331
64%
**31
92%
Norma URP
<<locked>>
96%
45063
82%
**62
99%
Ramshot Big Game
<<locked>>
89%
49559
90%
**02
100%
Ramshot Hunter
<<locked>>
97%
45121
82%
**62
97%
Ramshot TAC
<<locked>>
84%
49516
90%
**36
98%
Ramshot Wild Boar
<<locked>>
84%
49255
89%
**59
100%
ReloadSwiss RS 50
<<locked>>
90%
49255
89%
**46
97%
ReloadSwiss RS 52
<<locked>>
89%
48689
88%
**98
100%
ReloadSwiss RS 60 👍
<<locked>>
96%
48907
89%
**70
100%
ReloadSwiss RS 62
<<locked>>
97%
44991
82%
**82
98%
ReloadSwiss RS 70
<<locked>>
96%
45513
83%
**02
98%
Rottweil R 901
<<locked>>
83%
49255
89%
**93
100%
Rottweil R 902
<<locked>>
88%
49545
90%
**20
100%
Rottweil R 903
<<locked>>
93%
49269
89%
**69
100%
Rottweil R 907
<<locked>>
94%
49240
89%
**33
96%
SNPE Vectan SP 11 👍
<<locked>>
92%
49211
89%
**98
100%
SNPE Vectan SP 7
<<locked>>
85%
49516
90%
**43
99%
SNPE Vectan SP 9
<<locked>>
86%
49226
89%
**52
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
49458
90%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
48892
89%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
49168
89%
**00
97%
Shooters World Long Rifle
<<locked>>
96%
48907
89%
**39
98%
Shooters World Match Rifle
<<locked>>
86%
49603
90%
**52
100%
Shooters World Precision
<<locked>>
89%
49516
90%
**39
100%
Somchem S335
<<locked>>
85%
48892
89%
**57
100%
Somchem S341
<<locked>>
85%
49153
89%
**39
100%
Somchem S355
<<locked>>
93%
49516
90%
**65
100%
Somchem S365
<<locked>>
96%
40292
73%
**20
100%
[Somchem S385]*
<<locked>>
97%
38014
69%
**15
93%
Vihtavuori N133
<<locked>>
87%
49211
89%
**38
100%
Vihtavuori N135
<<locked>>
94%
49226
89%
**00
100%
Vihtavuori N140
<<locked>>
88%
49414
90%
**06
100%
Vihtavuori N150
<<locked>>
97%
47514
86%
**06
100%
Vihtavuori N160
<<locked>>
96%
48921
89%
**75
99%
Vihtavuori N540
<<locked>>
88%
49110
89%
**29
100%
Vihtavuori N550
<<locked>>
96%
49545
90%
**21
99%
Vihtavuori N555
<<locked>>
96%
33939
62%
**08
97%
Winchester 6.5 StaBALL
<<locked>>
97%
48646
88%
**52
100%
Winchester 760
<<locked>>
94%
48936
89%
**18
97%
Winchester StaBALL HD
<<locked>>
97%
28660
52%
**23
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42975
78%
**57
99%
ADI AR 2208
<<locked>>
81%
36753
67%
**33
97%
Accurate 2200
<<locked>>
81%
45208
82%
**57
98%
Accurate 2495
<<locked>>
81%
44092
80%
**51
100%
Accurate 2520
<<locked>>
81%
44382
81%
**77
100%
[Accurate 2700]*
<<locked>>
81%
34925
63%
**47
91%
[Accurate 3100]*
<<locked>>
92%
27470
50%
**08
90%
Accurate 4064
<<locked>>
81%
37130
67%
**59
100%
[Accurate 4350]*
<<locked>>
81%
26527
48%
**95
92%
Alliant AR-Comp
<<locked>>
81%
45092
82%
**51
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
35984
65%
**46
98%
Alliant Reloder-15
<<locked>>
81%
38740
70%
**98
98%
[Alliant Reloder-16]*
<<locked>>
81%
28326
51%
**18
93%
Alliant Reloder-17
<<locked>>
81%
31024
56%
**19
96%
[Alliant Reloder-19]*
<<locked>>
94%
36419
66%
**82
90%
[Alliant Reloder-23]*
<<locked>>
85%
22727
41%
**83
90%
[Alliant Reloder-26]*
<<locked>>
90%
27731
50%
**70
90%
Baschieri & Pellagri 107
<<locked>>
81%
42047
76%
**60
98%
Hodgdon BL-C2
<<locked>>
81%
44063
80%
**03
100%
Hodgdon CFE223
<<locked>>
81%
36796
67%
**01
97%
Hodgdon H380
<<locked>>
81%
36579
66%
**56
96%
[Hodgdon H414]*
<<locked>>
81%
31836
58%
**00
91%
[Hodgdon H4350]*
<<locked>>
87%
32445
59%
**54
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25788
47%
**32
94%
[Hodgdon LVR]*
<<locked>>
81%
30197
55%
**54
93%
[Hodgdon Superperformance]*
<<locked>>
85%
33156
60%
**29
90%
Hodgdon VARGET
<<locked>>
81%
36376
66%
**26
97%
IMR 3031
<<locked>>
81%
39233
71%
**08
100%
IMR 4064
<<locked>>
81%
35868
65%
**06
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36201
66%
**80
93%
[IMR 4350]*
<<locked>>
84%
31807
58%
**44
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34026
62%
**64
92%
[IMR 4831]*
<<locked>>
81%
24163
44%
**03
91%
IMR 4895
<<locked>>
81%
39566
72%
**28
99%
IMR 8208 XBR
<<locked>>
81%
45063
82%
**64
100%
Lovex D073.6
<<locked>>
81%
41568
75%
**38
100%
Lovex S060
<<locked>>
81%
43265
78%
**98
99%
Lovex S062
<<locked>>
81%
38072
69%
**62
99%
[Lovex S065]*
<<locked>>
81%
31343
57%
**21
93%
[Lovex S070]*
<<locked>>
81%
29501
54%
**98
90%
Norma 201
<<locked>>
81%
42235
77%
**15
100%
Norma 202
<<locked>>
81%
42293
77%
**24
100%
Norma 203B
<<locked>>
81%
37971
69%
**92
98%
[Norma 204]*
<<locked>>
89%
36695
67%
**69
90%
[Norma MRP]*
<<locked>>
94%
32576
59%
**65
90%
[Norma URP]*
<<locked>>
81%
27717
50%
**05
92%
Ramshot Big Game
<<locked>>
81%
37507
68%
**08
98%
[Ramshot Hunter]*
<<locked>>
83%
28645
52%
**21
90%
Ramshot TAC
<<locked>>
81%
44976
82%
**67
97%
Ramshot Wild Boar
<<locked>>
81%
44425
81%
**90
99%
[ReloadSwiss RS 50]*
<<locked>>
81%
36970
67%
**36
94%
ReloadSwiss RS 52
<<locked>>
81%
36535
66%
**01
99%
ReloadSwiss RS 60
<<locked>>
81%
30240
55%
**03
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
26818
49%
**08
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
28036
51%
**21
90%
Rottweil R 901
<<locked>>
81%
46137
84%
**47
100%
Rottweil R 902
<<locked>>
81%
40364
73%
**78
99%
Rottweil R 903
<<locked>>
81%
33388
61%
**03
98%
[Rottweil R 907]*
<<locked>>
81%
32489
59%
**34
90%
SNPE Vectan SP 11
<<locked>>
81%
34243
62%
**46
97%
SNPE Vectan SP 7
<<locked>>
81%
43308
79%
**47
98%
SNPE Vectan SP 9
<<locked>>
81%
41452
75%
**31
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
43816
80%
**78
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36114
66%
**67
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30052
55%
**72
90%
[Shooters World Long Rifle]*
<<locked>>
81%
31343
57%
**21
93%
Shooters World Match Rifle
<<locked>>
81%
41568
75%
**38
100%
Shooters World Precision
<<locked>>
81%
38072
69%
**62
99%
Somchem S335
<<locked>>
81%
43337
79%
**82
100%
Somchem S341
<<locked>>
81%
42931
78%
**44
99%
Somchem S355
<<locked>>
81%
34418
62%
**10
98%
Somchem S365
<<locked>>
81%
24831
45%
**62
95%
[Somchem S385]*
<<locked>>
91%
31981
58%
**93
90%
Vihtavuori N133
<<locked>>
81%
41060
75%
**29
100%
Vihtavuori N135
<<locked>>
81%
33576
61%
**64
100%
Vihtavuori N140
<<locked>>
81%
39421
72%
**59
100%
Vihtavuori N150
<<locked>>
81%
29370
53%
**91
98%
[Vihtavuori N160]*
<<locked>>
81%
30037
55%
**34
94%
Vihtavuori N540
<<locked>>
81%
39334
71%
**82
100%
[Vihtavuori N550]*
<<locked>>
81%
30429
55%
**73
94%
[Vihtavuori N555]*
<<locked>>
84%
22858
41%
**16
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29109
53%
**91
96%
[Winchester 760]*
<<locked>>
81%
31836
58%
**00
91%
[Winchester StaBALL HD]*
<<locked>>
92%
24395
44%
**78
91%

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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