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Load data for .300 Lapua Mag. + .308 | 165gr | Speer Grand Slam

Recommended Powder(s):

.300 Lapua Mag. + .308 | 165gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer Grand Slam
Manufacturer SKU:
2038
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.080" | 27.4mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.179" | 4.6mm
Shank Seated Depth:
0.179" | 4.6mm
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_B6156_C363
Last updated:
2025-01-01

Load data for 120 loads in caliber .300 Lapua Mag. with .308 | 165gr | Speer Grand Slam 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%
54331
89%
**58
98%
ADI AR 2213
<<locked>>
94%
54476
89%
**91
98%
ADI AR 2217
<<locked>>
97%
43062
71%
**51
95%
ADI AR 2225
<<locked>>
97%
38682
63%
**02
96%
Accurate 3100
<<locked>>
95%
54781
90%
**09
100%
Accurate 4350
<<locked>>
86%
54273
89%
**15
100%
Accurate MAGPRO
<<locked>>
95%
54331
89%
**97
96%
Alliant Reloder-16
<<locked>>
87%
54650
90%
**68
100%
Alliant Reloder-19
<<locked>>
91%
54549
90%
**48
99%
Alliant Reloder-22 👍
<<locked>>
94%
54418
89%
**81
99%
Alliant Reloder-23
<<locked>>
96%
54447
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
48269
79%
**09
100%
Alliant Reloder-26 👍
<<locked>>
92%
54505
89%
**40
100%
Hodgdon H1000
<<locked>>
97%
43062
71%
**51
95%
Hodgdon H4350
<<locked>>
89%
54723
90%
**99
99%
Hodgdon H4831
<<locked>>
97%
54244
89%
**25
97%
Hodgdon H4831 SC
<<locked>>
93%
54679
90%
**28
97%
Hodgdon Hybrid 100V
<<locked>>
89%
54172
89%
**86
100%
Hodgdon LVR
<<locked>>
85%
54781
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
38682
63%
**02
96%
Hodgdon Superperformance
<<locked>>
84%
54143
89%
**64
99%
Hodgdon TrailBoss
<<locked>>
97%
35418
58%
**96
100%
IMR 4350
<<locked>>
87%
54491
89%
**99
99%
IMR 4451 Enduron
<<locked>>
83%
54679
90%
**79
99%
IMR 4831
<<locked>>
91%
54592
90%
**05
100%
IMR 4955 Enduron
<<locked>>
94%
54665
90%
**95
97%
IMR 7828 SSC
<<locked>>
93%
54476
89%
**00
98%
Lovex S065
<<locked>>
85%
54128
89%
**66
100%
Lovex S070
<<locked>>
86%
54679
90%
**92
100%
Lovex S071
<<locked>>
97%
49443
81%
**17
99%
Norma 204
<<locked>>
87%
54317
89%
**35
98%
[Norma 217]*
<<locked>>
97%
34374
56%
**13
94%
Norma MRP 👍
<<locked>>
93%
54462
89%
**10
99%
Norma URP
<<locked>>
87%
54578
90%
**25
100%
Ramshot Hunter
<<locked>>
87%
54476
89%
**41
100%
Ramshot Magnum 👍
<<locked>>
95%
54810
90%
**77
99%
ReloadSwiss RS 14
<<locked>>
96%
36042
59%
**39
100%
ReloadSwiss RS 60
<<locked>>
84%
54259
89%
**81
100%
ReloadSwiss RS 62
<<locked>>
86%
54360
89%
**38
100%
ReloadSwiss RS 70
<<locked>>
87%
54418
89%
**91
100%
ReloadSwiss RS 76
<<locked>>
97%
47732
78%
**54
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43134
71%
**23
93%
Rottweil R 904
<<locked>>
90%
54563
90%
**12
98%
Rottweil R 905
<<locked>>
92%
54607
90%
**51
99%
Rottweil R 907
<<locked>>
84%
54476
89%
**82
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
54781
90%
**40
99%
Shooters World Long Rifle
<<locked>>
85%
54128
89%
**66
100%
Somchem S361
<<locked>>
90%
54723
90%
**76
97%
Somchem S365
<<locked>>
88%
54520
89%
**28
100%
Somchem S385
<<locked>>
91%
54302
89%
**09
99%
Vihtavuori N150
<<locked>>
86%
54317
89%
**20
100%
Vihtavuori N160
<<locked>>
84%
54737
90%
**92
100%
Vihtavuori N165
<<locked>>
97%
54259
89%
**92
99%
Vihtavuori N550
<<locked>>
84%
54360
89%
**28
100%
Vihtavuori N555
<<locked>>
93%
54346
89%
**48
100%
Vihtavuori N560
<<locked>>
94%
54418
89%
**07
97%
Vihtavuori N565
<<locked>>
97%
51053
84%
**22
97%
[Vihtavuori N568]*
<<locked>>
97%
44396
73%
**40
93%
Winchester 6.5 StaBALL
<<locked>>
86%
54679
90%
**63
100%
Winchester StaBALL HD 👍
<<locked>>
97%
53447
88%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38711
64%
**33
94%
[ADI AR 2213]*
<<locked>>
81%
34592
57%
**44
90%
[ADI AR 2217]*
<<locked>>
90%
34461
57%
**31
90%
[ADI AR 2225]*
<<locked>>
88%
29269
48%
**23
90%
Accurate 3100
<<locked>>
81%
34606
57%
**95
96%
Accurate 4350
<<locked>>
81%
46528
76%
**81
100%
[Accurate MAGPRO]*
<<locked>>
85%
38725
64%
**66
90%
Alliant Reloder-16
<<locked>>
81%
44309
73%
**81
100%
[Alliant Reloder-19]*
<<locked>>
81%
38783
64%
**30
94%
[Alliant Reloder-22]*
<<locked>>
81%
34389
56%
**61
93%
Alliant Reloder-23
<<locked>>
81%
33011
54%
**21
99%
[Alliant Reloder-25]*
<<locked>>
81%
28805
47%
**16
93%
Alliant Reloder-26
<<locked>>
81%
36260
60%
**69
98%
[Hodgdon H1000]*
<<locked>>
90%
34461
57%
**31
90%
Hodgdon H4350
<<locked>>
81%
42264
69%
**66
97%
[Hodgdon H4831]*
<<locked>>
83%
35317
58%
**18
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36347
60%
**51
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41756
69%
**62
100%
Hodgdon LVR
<<locked>>
81%
48776
80%
**27
100%
[Hodgdon Retumbo]*
<<locked>>
88%
29269
48%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
47587
78%
**46
98%
Hodgdon TrailBoss
<<locked>>
81%
28282
46%
**39
100%
IMR 4350
<<locked>>
81%
44527
73%
**08
97%
IMR 4451 Enduron
<<locked>>
81%
50705
83%
**17
99%
IMR 4831
<<locked>>
81%
40118
66%
**43
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36579
60%
**18
91%
[IMR 7828 SSC]*
<<locked>>
81%
35143
58%
**71
91%
Lovex S065
<<locked>>
81%
47993
79%
**64
99%
Lovex S070
<<locked>>
81%
46340
76%
**44
98%
[Lovex S071]*
<<locked>>
81%
29559
49%
**61
93%
Norma 204
<<locked>>
81%
44657
73%
**51
96%
[Norma 217]*
<<locked>>
92%
29283
48%
**59
90%
Norma MRP
<<locked>>
81%
35998
59%
**23
95%
Norma URP
<<locked>>
81%
45324
74%
**64
100%
Ramshot Hunter
<<locked>>
81%
44396
73%
**51
99%
[Ramshot Magnum]*
<<locked>>
81%
31720
52%
**75
92%
ReloadSwiss RS 14
<<locked>>
81%
28848
47%
**81
100%
ReloadSwiss RS 60
<<locked>>
81%
49530
81%
**02
100%
ReloadSwiss RS 62
<<locked>>
81%
46253
76%
**94
100%
ReloadSwiss RS 70
<<locked>>
81%
44556
73%
**07
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
29356
48%
**52
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
36999
61%
**69
90%
[Rottweil R 904]*
<<locked>>
81%
40074
66%
**17
94%
[Rottweil R 905]*
<<locked>>
81%
37898
62%
**13
94%
Rottweil R 907
<<locked>>
81%
49197
81%
**90
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
47398
78%
**08
99%
Shooters World Long Rifle
<<locked>>
81%
47993
79%
**64
99%
[Somchem S361]*
<<locked>>
81%
40872
67%
**00
93%
Somchem S365
<<locked>>
81%
42322
69%
**22
100%
Somchem S385
<<locked>>
81%
38638
63%
**00
96%
Vihtavuori N150
<<locked>>
81%
45818
75%
**85
100%
Vihtavuori N160
<<locked>>
81%
48863
80%
**97
100%
[Vihtavuori N165]*
<<locked>>
81%
32227
53%
**30
92%
Vihtavuori N550
<<locked>>
81%
49661
82%
**40
100%
Vihtavuori N555
<<locked>>
81%
36999
61%
**07
99%
[Vihtavuori N560]*
<<locked>>
82%
35375
58%
**97
90%
[Vihtavuori N565]*
<<locked>>
85%
34258
56%
**51
90%
[Vihtavuori N568]*
<<locked>>
93%
38653
63%
**89
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46093
76%
**18
100%
Winchester StaBALL HD
<<locked>>
81%
28427
47%
**21
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.

<<locked>>... you need to buy an access license to unlock the data

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