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Load data for .300 Lapua Mag. + .308 | 155gr | Norma Kalahari

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Lapua Mag. + .308 | 155gr | Norma Kalahari

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Norma Kalahari
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.228" | 31.2mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.327" | 8.3mm
Shank Seated Depth:
0.327" | 8.3mm
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_B3860_C363
Last updated:
2025-01-01

Load data for 132 loads in caliber .300 Lapua Mag. with .308 | 155gr | Norma Kalahari bullet and 66 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 2209
<<locked>>
94%
54462
89%
**27
98%
ADI AR 2213
<<locked>>
97%
54592
90%
**66
97%
[ADI AR 2225]*
<<locked>>
97%
35114
58%
**62
93%
Accurate 2700
<<locked>>
84%
54810
90%
**12
99%
Accurate 3100
<<locked>>
97%
53940
89%
**61
99%
Accurate 4350
<<locked>>
88%
54418
89%
**00
100%
[Accurate MAGPRO]*
<<locked>>
97%
53359
88%
**46
94%
Alliant Reloder-16
<<locked>>
90%
54578
90%
**53
100%
Alliant Reloder-17
<<locked>>
85%
54331
89%
**43
100%
Alliant Reloder-19
<<locked>>
94%
54346
89%
**17
98%
Alliant Reloder-22
<<locked>>
97%
53882
88%
**56
98%
Alliant Reloder-23
<<locked>>
97%
50850
83%
**84
100%
Alliant Reloder-25
<<locked>>
97%
44425
73%
**02
99%
Alliant Reloder-26 👍
<<locked>>
95%
54607
90%
**28
100%
Hodgdon H414
<<locked>>
84%
54317
89%
**17
99%
Hodgdon H4350
<<locked>>
91%
54259
89%
**64
99%
Hodgdon H4831
<<locked>>
97%
50241
82%
**22
95%
Hodgdon H4831 SC
<<locked>>
95%
54462
89%
**97
96%
Hodgdon Hybrid 100V
<<locked>>
92%
54737
90%
**71
100%
Hodgdon LVR
<<locked>>
87%
54549
90%
**00
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35114
58%
**62
93%
Hodgdon Superperformance
<<locked>>
87%
54766
90%
**50
99%
Hodgdon VARGET
<<locked>>
83%
54346
89%
**38
100%
Hodgdon TrailBoss
<<locked>>
97%
35244
58%
**42
100%
IMR 4064
<<locked>>
84%
54534
90%
**41
100%
IMR 4166 Enduron
<<locked>>
84%
54491
89%
**35
99%
IMR 4350
<<locked>>
90%
54737
90%
**68
99%
IMR 4451 Enduron
<<locked>>
85%
54491
89%
**61
99%
IMR 4831 👍
<<locked>>
93%
54520
90%
**94
100%
IMR 4955 Enduron
<<locked>>
96%
54447
89%
**64
96%
IMR 7828 SSC
<<locked>>
96%
54143
89%
**69
97%
Lovex S065
<<locked>>
87%
54505
89%
**41
100%
Lovex S070
<<locked>>
89%
54810
90%
**77
99%
Lovex S071
<<locked>>
97%
45107
74%
**04
98%
Norma 204
<<locked>>
89%
54172
89%
**04
98%
Norma MRP
<<locked>>
95%
54621
90%
**92
99%
Norma URP
<<locked>>
89%
54549
90%
**10
100%
Ramshot Hunter 👍
<<locked>>
90%
54752
90%
**23
100%
Ramshot Magnum
<<locked>>
97%
52634
86%
**14
98%
ReloadSwiss RS 14
<<locked>>
97%
35824
59%
**82
100%
ReloadSwiss RS 60
<<locked>>
86%
54346
89%
**73
100%
ReloadSwiss RS 62
<<locked>>
88%
54491
89%
**17
100%
ReloadSwiss RS 70
<<locked>>
89%
54505
89%
**76
100%
ReloadSwiss RS 76
<<locked>>
97%
43555
71%
**18
97%
Rottweil R 903
<<locked>>
84%
54549
90%
**58
100%
Rottweil R 904
<<locked>>
93%
54230
89%
**68
97%
Rottweil R 905
<<locked>>
94%
54607
90%
**23
98%
Rottweil R 907
<<locked>>
87%
54781
90%
**54
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
54578
90%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54288
89%
**05
99%
Shooters World Long Rifle
<<locked>>
87%
54505
89%
**41
100%
Somchem S355
<<locked>>
84%
54404
89%
**51
100%
Somchem S361
<<locked>>
92%
54404
89%
**41
96%
Somchem S365
<<locked>>
91%
54650
90%
**17
100%
Somchem S385
<<locked>>
94%
54795
90%
**87
99%
Vihtavuori N135
<<locked>>
85%
54476
89%
**59
100%
Vihtavuori N150
<<locked>>
89%
54520
89%
**12
100%
Vihtavuori N160
<<locked>>
87%
54476
89%
**64
100%
Vihtavuori N165
<<locked>>
97%
50256
82%
**95
98%
Vihtavuori N550
<<locked>>
86%
54549
90%
**00
100%
Vihtavuori N555 👍
<<locked>>
95%
54012
89%
**20
100%
Vihtavuori N560
<<locked>>
97%
53998
89%
**82
96%
[Vihtavuori N565]*
<<locked>>
97%
46209
76%
**05
94%
Winchester 6.5 StaBALL
<<locked>>
88%
54534
90%
**41
100%
Winchester 760
<<locked>>
84%
54317
89%
**17
99%
Winchester StaBALL HD 👍
<<locked>>
97%
47137
77%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
35824
59%
**23
92%
[ADI AR 2213]*
<<locked>>
86%
37217
61%
**79
90%
[ADI AR 2225]*
<<locked>>
93%
31357
51%
**41
90%
Accurate 2700
<<locked>>
81%
49574
81%
**17
98%
[Accurate 3100]*
<<locked>>
81%
31415
52%
**85
93%
Accurate 4350
<<locked>>
81%
42583
70%
**77
99%
[Accurate MAGPRO]*
<<locked>>
90%
41365
68%
**04
90%
Alliant Reloder-16
<<locked>>
81%
40799
67%
**81
99%
Alliant Reloder-17
<<locked>>
81%
46992
77%
**18
100%
[Alliant Reloder-19]*
<<locked>>
81%
35694
59%
**20
92%
[Alliant Reloder-22]*
<<locked>>
82%
32242
53%
**64
90%
Alliant Reloder-23
<<locked>>
81%
30226
50%
**15
97%
[Alliant Reloder-25]*
<<locked>>
82%
27195
45%
**13
90%
Alliant Reloder-26
<<locked>>
81%
32590
54%
**30
95%
Hodgdon H414
<<locked>>
81%
48312
79%
**09
98%
Hodgdon H4350
<<locked>>
81%
39349
65%
**66
95%
[Hodgdon H4831]*
<<locked>>
88%
37608
62%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
37608
62%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38377
63%
**62
99%
Hodgdon LVR
<<locked>>
81%
45179
74%
**30
99%
[Hodgdon Retumbo]*
<<locked>>
93%
31357
51%
**41
90%
Hodgdon Superperformance
<<locked>>
81%
43482
71%
**43
97%
Hodgdon VARGET
<<locked>>
81%
50749
83%
**82
100%
Hodgdon TrailBoss
<<locked>>
81%
27905
46%
**75
100%
IMR 4064
<<locked>>
81%
50227
82%
**66
100%
IMR 4166 Enduron
<<locked>>
81%
49240
81%
**40
98%
IMR 4350
<<locked>>
81%
41553
68%
**12
96%
IMR 4451 Enduron
<<locked>>
81%
47529
78%
**27
98%
IMR 4831
<<locked>>
81%
36898
61%
**36
98%
[IMR 4955 Enduron]*
<<locked>>
84%
36898
61%
**94
90%
[IMR 7828 SSC]*
<<locked>>
84%
36579
60%
**76
90%
Lovex S065
<<locked>>
81%
44860
74%
**64
98%
Lovex S070
<<locked>>
81%
43236
71%
**51
97%
[Lovex S071]*
<<locked>>
81%
26789
44%
**38
90%
[Norma 204]*
<<locked>>
81%
41220
68%
**38
94%
[Norma MRP]*
<<locked>>
81%
32837
54%
**03
92%
Norma URP
<<locked>>
81%
41945
69%
**67
99%
Ramshot Hunter
<<locked>>
81%
40959
67%
**61
97%
[Ramshot Magnum]*
<<locked>>
83%
31633
52%
**25
90%
ReloadSwiss RS 14
<<locked>>
81%
28471
47%
**14
100%
ReloadSwiss RS 60
<<locked>>
81%
45310
74%
**18
100%
ReloadSwiss RS 62
<<locked>>
81%
42395
70%
**97
99%
ReloadSwiss RS 70
<<locked>>
81%
40930
67%
**10
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
31662
52%
**84
90%
Rottweil R 903
<<locked>>
81%
49821
82%
**72
100%
[Rottweil R 904]*
<<locked>>
81%
37246
61%
**13
91%
[Rottweil R 905]*
<<locked>>
81%
34853
57%
**03
92%
Rottweil R 907
<<locked>>
81%
46064
76%
**87
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
50256
82%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43990
72%
**05
97%
Shooters World Long Rifle
<<locked>>
81%
44860
74%
**64
98%
Somchem S355
<<locked>>
81%
49705
82%
**63
100%
[Somchem S361]*
<<locked>>
81%
38000
62%
**94
90%
Somchem S365
<<locked>>
81%
38551
63%
**22
100%
[Somchem S385]*
<<locked>>
81%
35491
58%
**90
93%
Vihtavuori N135
<<locked>>
81%
48414
79%
**71
100%
Vihtavuori N150
<<locked>>
81%
42554
70%
**99
100%
Vihtavuori N160
<<locked>>
81%
45223
74%
**00
99%
[Vihtavuori N165]*
<<locked>>
82%
30763
50%
**56
90%
Vihtavuori N550
<<locked>>
81%
45890
75%
**43
99%
Vihtavuori N555
<<locked>>
81%
33692
55%
**03
97%
[Vihtavuori N560]*
<<locked>>
86%
37753
62%
**15
90%
[Vihtavuori N565]*
<<locked>>
90%
36782
60%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42728
70%
**31
100%
Winchester 760
<<locked>>
81%
48312
79%
**09
98%
Winchester StaBALL HD
<<locked>>
81%
24540
40%
**75
96%

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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