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Load data for .300 WSM + .308 | 170gr | Lapua Lock Base

Recommended Powder(s):

.300 WSM + .308 | 170gr | Lapua Lock Base

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Lapua Lock Base
Manufacturer SKU:
4PL7086 | B476
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.201" | 30.5mm
Caliber:
.300 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.474" | 12.0mm
Shank Seated Depth:
0.309" | 7.8mm
Case Capacity:
81.3 Grains of Water | 5.28 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3155_C378
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 192 loads in caliber .300 WSM with .308 | 170gr | Lapua Lock Base 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 30.8 fps

  • .

    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.

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%
57188
90%
**94
100%
ADI AR 2208
<<locked>>
90%
57043
89%
**77
100%
ADI AR 2209
<<locked>>
97%
48820
77%
**22
95%
[ADI AR 2213]*
<<locked>>
97%
44106
69%
**53
92%
Accurate 2200
<<locked>>
83%
56956
89%
**61
100%
Accurate 2495
<<locked>>
83%
57421
90%
**41
100%
Accurate 2700
<<locked>>
91%
56826
89%
**28
98%
Accurate 3100
<<locked>>
97%
41640
65%
**77
97%
Accurate 4064
<<locked>>
88%
57058
89%
**64
100%
Accurate 4350
<<locked>>
96%
56797
89%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
57029
89%
**97
100%
Alliant Reloder-15
<<locked>>
87%
56985
89%
**10
100%
Alliant Reloder-16 👍
<<locked>>
97%
54853
86%
**63
100%
Alliant Reloder-17
<<locked>>
93%
57392
90%
**18
100%
Alliant Reloder-19
<<locked>>
97%
47877
75%
**12
95%
[Alliant Reloder-22]*
<<locked>>
97%
42351
66%
**49
94%
Alliant Reloder-23
<<locked>>
97%
40059
63%
**07
99%
[Alliant Reloder-25]*
<<locked>>
97%
34954
55%
**92
94%
Alliant Reloder-26
<<locked>>
97%
44280
69%
**71
99%
Baschieri & Pellagri 107
<<locked>>
84%
56666
89%
**13
100%
Hodgdon BL-C2
<<locked>>
83%
57435
90%
**13
100%
Hodgdon CFE223
<<locked>>
88%
57087
89%
**49
100%
Hodgdon H380
<<locked>>
89%
56768
89%
**07
100%
Hodgdon H414 👍
<<locked>>
92%
57392
90%
**69
99%
Hodgdon H4350
<<locked>>
97%
53403
84%
**51
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46079
72%
**49
92%
Hodgdon Hybrid 100V
<<locked>>
97%
51329
80%
**35
100%
Hodgdon LVR
<<locked>>
94%
56797
89%
**43
100%
Hodgdon Superperformance
<<locked>>
95%
56985
89%
**99
99%
Hodgdon VARGET
<<locked>>
90%
57043
89%
**77
100%
Hodgdon TrailBoss
<<locked>>
96%
34243
54%
**36
100%
IMR 3031
<<locked>>
87%
57000
89%
**71
100%
IMR 4064
<<locked>>
91%
56724
89%
**64
100%
IMR 4166 Enduron
<<locked>>
91%
56782
89%
**58
99%
IMR 4350
<<locked>>
97%
56260
88%
**90
98%
IMR 4451 Enduron
<<locked>>
93%
57334
90%
**94
99%
IMR 4831
<<locked>>
97%
48820
76%
**08
99%
IMR 4895
<<locked>>
87%
56768
89%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46021
72%
**10
93%
[IMR 7828 SSC]*
<<locked>>
97%
44570
70%
**69
92%
IMR 8208 XBR
<<locked>>
83%
57145
90%
**64
100%
Lovex D073.6
<<locked>>
85%
57174
90%
**67
100%
Lovex S060
<<locked>>
85%
56985
89%
**35
100%
Lovex S062
<<locked>>
88%
57319
90%
**74
100%
Lovex S065
<<locked>>
95%
56956
89%
**87
99%
Lovex S070
<<locked>>
96%
56724
89%
**04
99%
[Lovex S071]*
<<locked>>
97%
34679
54%
**26
94%
Norma 201
<<locked>>
86%
57334
90%
**58
100%
Norma 202
<<locked>>
85%
57406
90%
**51
100%
Norma 203B
<<locked>>
88%
56826
89%
**10
100%
Norma 204
<<locked>>
96%
56463
88%
**36
97%
Norma MRP
<<locked>>
97%
44425
70%
**28
96%
Norma URP 👍
<<locked>>
97%
56623
89%
**49
100%
Ramshot Big Game
<<locked>>
87%
56971
89%
**23
100%
Ramshot Hunter
<<locked>>
97%
55753
87%
**53
99%
[Ramshot Magnum]*
<<locked>>
97%
40872
64%
**87
94%
Ramshot TAC
<<locked>>
83%
57072
89%
**87
100%
Ramshot Wild Boar
<<locked>>
83%
56869
89%
**97
100%
ReloadSwiss RS 14
<<locked>>
96%
34519
54%
**72
100%
ReloadSwiss RS 50
<<locked>>
89%
57087
89%
**87
99%
ReloadSwiss RS 52
<<locked>>
88%
57276
90%
**30
100%
ReloadSwiss RS 60
<<locked>>
94%
57174
90%
**31
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57116
89%
**82
100%
ReloadSwiss RS 70
<<locked>>
97%
56347
88%
**15
100%
Rottweil R 902
<<locked>>
87%
57319
90%
**54
100%
Rottweil R 903
<<locked>>
91%
56623
89%
**90
100%
Rottweil R 904
<<locked>>
97%
50763
80%
**05
95%
Rottweil R 905
<<locked>>
97%
46644
73%
**99
95%
Rottweil R 907
<<locked>>
94%
56985
89%
**87
98%
SNPE Vectan SP 11
<<locked>>
91%
57392
90%
**43
100%
SNPE Vectan SP 7
<<locked>>
84%
56594
89%
**71
100%
SNPE Vectan SP 9
<<locked>>
85%
56753
89%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57348
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56985
89%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
57421
90%
**41
99%
Shooters World Long Rifle
<<locked>>
95%
56956
89%
**87
99%
Shooters World Match Rifle
<<locked>>
85%
57174
90%
**67
100%
Shooters World Precision
<<locked>>
88%
57319
90%
**74
100%
Somchem S335
<<locked>>
85%
57276
90%
**79
100%
Somchem S341
<<locked>>
84%
56913
89%
**71
100%
Somchem S355
<<locked>>
91%
56913
89%
**90
100%
[Somchem S361]*
<<locked>>
97%
51822
81%
**89
94%
Somchem S365
<<locked>>
97%
51547
81%
**04
100%
Somchem S385
<<locked>>
97%
47935
75%
**89
97%
Vihtavuori N133
<<locked>>
86%
56478
88%
**49
100%
Vihtavuori N135
<<locked>>
93%
57174
90%
**08
100%
Vihtavuori N140
<<locked>>
87%
56768
89%
**18
100%
Vihtavuori N150
<<locked>>
97%
57174
90%
**58
100%
Vihtavuori N160
<<locked>>
94%
56855
89%
**10
100%
[Vihtavuori N165]*
<<locked>>
97%
39639
62%
**08
93%
Vihtavuori N540
<<locked>>
87%
57145
90%
**58
100%
Vihtavuori N550
<<locked>>
94%
56405
88%
**46
100%
Vihtavuori N555
<<locked>>
97%
44309
69%
**92
99%
Winchester 6.5 StaBALL
<<locked>>
96%
57029
89%
**84
100%
Winchester 760 👍
<<locked>>
92%
57392
90%
**69
99%
Winchester StaBALL HD
<<locked>>
97%
35795
56%
**23
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50807
80%
**02
100%
ADI AR 2208
<<locked>>
81%
43250
68%
**51
99%
[ADI AR 2209]*
<<locked>>
87%
35607
56%
**43
90%
[ADI AR 2213]*
<<locked>>
94%
40205
63%
**61
90%
Accurate 2200
<<locked>>
81%
52982
83%
**02
100%
Accurate 2495
<<locked>>
81%
53142
83%
**82
100%
[Accurate 2700]*
<<locked>>
81%
41321
65%
**59
94%
[Accurate 3100]*
<<locked>>
84%
27180
43%
**26
90%
Accurate 4064
<<locked>>
81%
44889
70%
**80
100%
Accurate 4350
<<locked>>
81%
33547
53%
**16
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
43062
67%
**67
100%
Alliant Reloder-15
<<locked>>
81%
46209
72%
**40
99%
Alliant Reloder-16
<<locked>>
81%
33576
53%
**30
96%
Alliant Reloder-17
<<locked>>
81%
37565
59%
**57
99%
[Alliant Reloder-19]*
<<locked>>
86%
34316
54%
**20
90%
[Alliant Reloder-22]*
<<locked>>
91%
34490
54%
**66
90%
[Alliant Reloder-23]*
<<locked>>
81%
24323
38%
**64
92%
[Alliant Reloder-25]*
<<locked>>
90%
28703
45%
**08
90%
[Alliant Reloder-26]*
<<locked>>
82%
26716
42%
**92
90%
Baschieri & Pellagri 107
<<locked>>
81%
50502
79%
**12
100%
Hodgdon BL-C2
<<locked>>
81%
53519
84%
**58
100%
Hodgdon CFE223
<<locked>>
81%
45049
71%
**53
99%
Hodgdon H380
<<locked>>
81%
44077
69%
**94
98%
Hodgdon H414
<<locked>>
81%
38899
61%
**31
95%
[Hodgdon H4350]*
<<locked>>
81%
32401
51%
**18
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
40959
64%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30806
48%
**21
97%
Hodgdon LVR
<<locked>>
81%
36695
57%
**79
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34925
55%
**59
92%
Hodgdon VARGET
<<locked>>
81%
42685
67%
**35
99%
Hodgdon TrailBoss
<<locked>>
87%
29834
47%
**47
100%
IMR 3031
<<locked>>
81%
47297
74%
**33
100%
IMR 4064
<<locked>>
81%
42293
66%
**18
99%
IMR 4166 Enduron
<<locked>>
81%
41916
66%
**85
95%
[IMR 4350]*
<<locked>>
81%
34142
53%
**61
92%
IMR 4451 Enduron
<<locked>>
81%
40016
63%
**82
95%
[IMR 4831]*
<<locked>>
81%
29486
46%
**92
94%
IMR 4895
<<locked>>
81%
47456
74%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
92%
39784
62%
**85
90%
[IMR 7828 SSC]*
<<locked>>
94%
40089
63%
**74
90%
IMR 8208 XBR
<<locked>>
81%
53084
83%
**99
100%
Lovex D073.6
<<locked>>
81%
50821
80%
**76
100%
Lovex S060
<<locked>>
81%
50154
79%
**30
100%
Lovex S062
<<locked>>
81%
45208
71%
**80
100%
Lovex S065
<<locked>>
81%
37289
58%
**26
96%
[Lovex S070]*
<<locked>>
81%
35636
56%
**03
94%
[Lovex S071]*
<<locked>>
89%
26963
42%
**20
90%
Norma 201
<<locked>>
81%
49661
78%
**49
100%
Norma 202
<<locked>>
81%
50285
79%
**49
100%
Norma 203B
<<locked>>
81%
45701
72%
**30
100%
[Norma 204]*
<<locked>>
82%
34998
55%
**16
90%
[Norma MRP]*
<<locked>>
87%
31575
49%
**10
90%
Norma URP
<<locked>>
81%
33721
53%
**16
96%
Ramshot Big Game
<<locked>>
81%
45498
71%
**43
100%
[Ramshot Hunter]*
<<locked>>
81%
32793
51%
**90
93%
[Ramshot Magnum]*
<<locked>>
92%
34098
53%
**26
90%
Ramshot TAC
<<locked>>
81%
53200
83%
**22
99%
Ramshot Wild Boar
<<locked>>
81%
52881
83%
**41
100%
ReloadSwiss RS 14
<<locked>>
82%
28355
44%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
44121
69%
**71
97%
ReloadSwiss RS 52
<<locked>>
81%
44831
70%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
36463
57%
**44
99%
ReloadSwiss RS 62
<<locked>>
81%
33257
52%
**30
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33098
52%
**26
94%
Rottweil R 902
<<locked>>
81%
47297
74%
**97
100%
Rottweil R 903
<<locked>>
81%
40712
64%
**25
99%
[Rottweil R 904]*
<<locked>>
88%
37724
59%
**49
90%
[Rottweil R 905]*
<<locked>>
86%
33388
52%
**07
90%
[Rottweil R 907]*
<<locked>>
81%
38450
60%
**39
94%
SNPE Vectan SP 11
<<locked>>
81%
41640
65%
**77
99%
SNPE Vectan SP 7
<<locked>>
81%
51822
81%
**99
99%
SNPE Vectan SP 9
<<locked>>
81%
49139
77%
**66
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51126
80%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42728
67%
**56
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36695
58%
**70
94%
Shooters World Long Rifle
<<locked>>
81%
37289
58%
**26
96%
Shooters World Match Rifle
<<locked>>
81%
50821
80%
**76
100%
Shooters World Precision
<<locked>>
81%
45208
71%
**80
100%
Somchem S335
<<locked>>
81%
50328
79%
**84
100%
Somchem S341
<<locked>>
81%
51488
81%
**95
100%
Somchem S355
<<locked>>
81%
41104
64%
**21
99%
[Somchem S361]*
<<locked>>
89%
40625
64%
**79
90%
Somchem S365
<<locked>>
81%
30269
47%
**67
98%
[Somchem S385]*
<<locked>>
84%
30937
48%
**18
90%
Vihtavuori N133
<<locked>>
81%
47892
75%
**25
100%
Vihtavuori N135
<<locked>>
81%
40176
63%
**52
100%
Vihtavuori N140
<<locked>>
81%
46949
74%
**71
100%
Vihtavuori N150
<<locked>>
81%
35230
55%
**74
99%
Vihtavuori N160
<<locked>>
81%
36535
57%
**49
97%
[Vihtavuori N165]*
<<locked>>
91%
32764
51%
**51
90%
Vihtavuori N540
<<locked>>
81%
46673
73%
**94
100%
Vihtavuori N550
<<locked>>
81%
37333
58%
**98
97%
[Vihtavuori N555]*
<<locked>>
81%
26121
41%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
81%
34838
55%
**93
98%
Winchester 760
<<locked>>
81%
38899
61%
**31
95%
[Winchester StaBALL HD]*
<<locked>>
84%
23206
36%
**70
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.

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