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

Recommended Powder(s):

.300 Lapua Mag. + .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 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.300" | 7.6mm
Shank Seated Depth:
0.135" | 3.4mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B3155_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 120 loads in caliber .300 Lapua Mag. with .308 | 170gr | Lapua Lock Base bullet and 60 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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  • .

    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 2209 👍
<<locked>>
91%
54114
89%
**15
99%
ADI AR 2213
<<locked>>
94%
54201
89%
**45
98%
ADI AR 2217
<<locked>>
97%
43091
71%
**22
95%
ADI AR 2225
<<locked>>
97%
38783
64%
**79
97%
Accurate 3100
<<locked>>
94%
54563
90%
**63
100%
Accurate 4350
<<locked>>
86%
54273
89%
**79
100%
Accurate MAGPRO
<<locked>>
95%
54795
90%
**58
96%
Alliant Reloder-16
<<locked>>
87%
54462
89%
**22
100%
Alliant Reloder-19 👍
<<locked>>
91%
54099
89%
**09
99%
Alliant Reloder-22
<<locked>>
95%
54766
90%
**48
99%
Alliant Reloder-23
<<locked>>
96%
54389
89%
**15
100%
Alliant Reloder-25
<<locked>>
97%
48327
79%
**79
100%
Alliant Reloder-26 👍
<<locked>>
92%
54201
89%
**97
100%
Hodgdon H1000
<<locked>>
97%
43091
71%
**22
95%
Hodgdon H4350
<<locked>>
89%
54505
89%
**53
99%
Hodgdon H4831
<<locked>>
97%
54824
90%
**89
97%
Hodgdon H4831 SC
<<locked>>
93%
54824
90%
**89
97%
Hodgdon Hybrid 100V
<<locked>>
89%
54505
89%
**46
100%
Hodgdon LVR
<<locked>>
84%
54737
90%
**89
100%
Hodgdon Retumbo
<<locked>>
97%
38783
64%
**79
97%
Hodgdon Superperformance
<<locked>>
84%
54404
89%
**25
99%
Hodgdon TrailBoss
<<locked>>
97%
35346
58%
**64
100%
IMR 4350
<<locked>>
87%
54114
89%
**53
99%
IMR 4451 Enduron
<<locked>>
83%
54230
89%
**40
99%
IMR 4831
<<locked>>
91%
54346
89%
**69
100%
IMR 4955 Enduron
<<locked>>
94%
54491
89%
**56
97%
IMR 7828 SSC
<<locked>>
93%
54534
90%
**68
98%
Lovex S065
<<locked>>
85%
54433
89%
**27
100%
Lovex S070
<<locked>>
86%
54360
89%
**53
100%
Lovex S071
<<locked>>
97%
49269
81%
**77
100%
Norma 204
<<locked>>
87%
54505
89%
**92
99%
[Norma 217]*
<<locked>>
97%
34403
56%
**87
94%
Norma MRP 👍
<<locked>>
92%
54375
89%
**71
100%
Norma URP
<<locked>>
86%
54259
89%
**86
100%
Ramshot Hunter
<<locked>>
87%
54679
90%
**12
100%
Ramshot Magnum
<<locked>>
95%
54781
90%
**31
99%
ReloadSwiss RS 14
<<locked>>
96%
35998
59%
**03
100%
ReloadSwiss RS 60
<<locked>>
83%
54201
89%
**38
100%
ReloadSwiss RS 62
<<locked>>
86%
54578
90%
**99
100%
ReloadSwiss RS 70
<<locked>>
87%
54607
90%
**61
100%
ReloadSwiss RS 76
<<locked>>
97%
47732
78%
**12
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43178
71%
**84
93%
Rottweil R 904
<<locked>>
90%
54433
89%
**69
98%
Rottweil R 905 👍
<<locked>>
92%
54578
90%
**12
99%
Rottweil R 907
<<locked>>
84%
54766
90%
**43
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
54099
89%
**90
100%
Shooters World Long Rifle
<<locked>>
85%
54433
89%
**27
100%
Somchem S361
<<locked>>
90%
54621
90%
**36
97%
Somchem S365
<<locked>>
88%
54172
89%
**79
100%
Somchem S385
<<locked>>
91%
54636
90%
**72
99%
Vihtavuori N150
<<locked>>
87%
54578
90%
**90
100%
Vihtavuori N160
<<locked>>
84%
54592
90%
**46
100%
Vihtavuori N165
<<locked>>
97%
54302
89%
**59
99%
Vihtavuori N550
<<locked>>
84%
54360
89%
**79
100%
Vihtavuori N555
<<locked>>
92%
54433
89%
**02
100%
Vihtavuori N560
<<locked>>
94%
54810
90%
**77
97%
Vihtavuori N565
<<locked>>
97%
50981
84%
**92
97%
[Vihtavuori N568]*
<<locked>>
97%
44425
73%
**00
93%
Winchester 6.5 StaBALL
<<locked>>
86%
54259
89%
**13
100%
Winchester StaBALL HD
<<locked>>
97%
53461
88%
**14
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38754
64%
**03
95%
[ADI AR 2213]*
<<locked>>
81%
34563
57%
**08
90%
[ADI AR 2217]*
<<locked>>
90%
34011
56%
**79
90%
[ADI AR 2225]*
<<locked>>
87%
28485
47%
**57
90%
Accurate 3100
<<locked>>
81%
34519
57%
**66
96%
Accurate 4350
<<locked>>
81%
46427
76%
**38
100%
[Accurate MAGPRO]*
<<locked>>
85%
38043
62%
**17
90%
Alliant Reloder-16
<<locked>>
81%
44425
73%
**51
100%
Alliant Reloder-19
<<locked>>
81%
38725
64%
**90
95%
[Alliant Reloder-22]*
<<locked>>
81%
34461
57%
**28
93%
Alliant Reloder-23
<<locked>>
81%
33127
54%
**95
99%
[Alliant Reloder-25]*
<<locked>>
81%
28935
48%
**84
94%
Alliant Reloder-26
<<locked>>
81%
36332
60%
**30
98%
[Hodgdon H1000]*
<<locked>>
90%
34011
56%
**79
90%
Hodgdon H4350
<<locked>>
81%
42366
70%
**23
97%
[Hodgdon H4831]*
<<locked>>
83%
34563
57%
**72
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36216
59%
**12
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41843
69%
**30
100%
Hodgdon LVR
<<locked>>
81%
48820
80%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28485
47%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
47834
79%
**10
98%
Hodgdon TrailBoss
<<locked>>
81%
28079
46%
**03
100%
IMR 4350
<<locked>>
81%
44686
73%
**79
98%
IMR 4451 Enduron
<<locked>>
81%
50749
83%
**71
99%
IMR 4831
<<locked>>
81%
40176
66%
**97
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36666
60%
**92
92%
[IMR 7828 SSC]*
<<locked>>
81%
35389
58%
**41
91%
Lovex S065
<<locked>>
81%
48124
79%
**22
99%
Lovex S070
<<locked>>
81%
46499
76%
**05
99%
[Lovex S071]*
<<locked>>
81%
29559
49%
**28
94%
Norma 204
<<locked>>
81%
44570
73%
**12
96%
[Norma 217]*
<<locked>>
91%
28805
47%
**13
90%
Norma MRP
<<locked>>
81%
35955
59%
**90
95%
Norma URP
<<locked>>
81%
45498
75%
**22
100%
Ramshot Hunter
<<locked>>
81%
44440
73%
**18
99%
[Ramshot Magnum]*
<<locked>>
81%
31821
52%
**43
92%
ReloadSwiss RS 14
<<locked>>
81%
28732
47%
**45
100%
ReloadSwiss RS 60
<<locked>>
81%
49676
82%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
46354
76%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
44599
73%
**74
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
28848
47%
**97
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
36477
60%
**20
90%
[Rottweil R 904]*
<<locked>>
81%
40205
66%
**90
94%
Rottweil R 905
<<locked>>
81%
38058
62%
**77
95%
Rottweil R 907
<<locked>>
81%
49327
81%
**48
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47152
77%
**66
99%
Shooters World Long Rifle
<<locked>>
81%
48124
79%
**22
99%
[Somchem S361]*
<<locked>>
81%
40886
67%
**67
93%
Somchem S365
<<locked>>
81%
42525
70%
**82
100%
Somchem S385
<<locked>>
81%
38609
63%
**61
96%
Vihtavuori N150
<<locked>>
81%
45818
75%
**46
100%
Vihtavuori N160
<<locked>>
81%
49153
81%
**58
100%
[Vihtavuori N165]*
<<locked>>
81%
32358
53%
**03
93%
Vihtavuori N550
<<locked>>
81%
49530
81%
**00
100%
Vihtavuori N555
<<locked>>
81%
37130
61%
**77
99%
[Vihtavuori N560]*
<<locked>>
81%
34577
57%
**31
90%
[Vihtavuori N565]*
<<locked>>
85%
33707
55%
**05
90%
[Vihtavuori N568]*
<<locked>>
92%
37768
62%
**43
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46151
76%
**85
100%
Winchester StaBALL HD
<<locked>>
81%
28326
46%
**89
99%

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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