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Load data for .300 Lapua Mag. + .308 | 123gr | Lapua FMJ

Recommended Powder(s):

.300 Lapua Mag. + .308 | 123gr | Lapua FMJ

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 123gr | Lapua FMJ
Manufacturer SKU:
4PL7003 | S374
Bullet Weight:
124gr | 8.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B3141_C363
Last updated:
2026-02-09

Load data for 162 loads in caliber .300 Lapua Mag. with .308 | 123gr | Lapua FMJ bullet and 81 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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  • 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 2208
87%
89%
100%
ADI AR 2209
97%
86%
95%
Accurate 2700
87%
89%
97%
Accurate 3100
97%
75%
96%
Accurate 4064
85%
89%
100%
Accurate 4350
92%
89%
99%
Alliant Power Pro 2000-MR
83%
90%
100%
Alliant Reloder- TS 15.5
87%
90%
100%
Alliant Reloder-15
84%
89%
100%
Alliant Reloder-16
94%
89%
100%
Alliant Reloder-17
89%
89%
100%
Alliant Reloder-19
97%
85%
95%
Alliant Reloder-22
97%
76%
93%
Alliant Reloder-23
97%
71%
99%
Alliant Reloder-25
97%
62%
94%
Alliant Reloder-26
97%
81%
99%
Bofors RP3
86%
89%
100%
Bofors RP5
97%
76%
93%
Bofors RP7
90%
90%
97%
Hodgdon CFE223
84%
89%
99%
Hodgdon H380
85%
89%
99%
Hodgdon H414
89%
90%
97%
Hodgdon H4350
95%
89%
97%
Hodgdon H4831 SC
97%
82%
92%
Hodgdon Hybrid 100V
96%
89%
100%
Hodgdon LVR
91%
89%
99%
Hodgdon Superperformance
91%
90%
97%
Hodgdon VARGET
87%
90%
100%
Hodgdon TrailBoss
96%
56%
100%
IMR 3031
84%
90%
100%
IMR 4064
87%
89%
100%
IMR 4166 Enduron
88%
90%
97%
IMR 4350
94%
89%
97%
IMR 4451 Enduron
89%
89%
97%
IMR 4831
97%
87%
99%
IMR 4895
83%
90%
100%
IMR 4955 Enduron
97%
80%
92%
IMR 7828 SSC
97%
80%
92%
Lovex S062
85%
89%
100%
Lovex S065
91%
89%
98%
Lovex S070
92%
89%
97%
Lovex S071
97%
63%
94%
Norma 203B
84%
89%
100%
Norma 204
93%
90%
95%
Norma MRP
97%
80%
96%
Norma URP
93%
90%
99%
Ramshot Big Game
84%
90%
100%
Ramshot Grand
97%
85%
93%
Ramshot Hunter
94%
89%
98%
Ramshot Magnum
97%
74%
94%
ReloadSwiss RS 14
96%
57%
100%
ReloadSwiss RS 50
86%
90%
98%
ReloadSwiss RS 60
88%
90%
100%
ReloadSwiss RS 62
93%
90%
99%
ReloadSwiss RS 70
93%
89%
99%
Rottweil R 902
84%
89%
100%
Rottweil R 903
88%
89%
100%
Rottweil R 904
97%
90%
94%
Rottweil R 905
97%
83%
95%
Rottweil R 907
90%
90%
97%
SNPE Vectan SP 11
87%
90%
100%
SNPE Vectan Tubal 5000
87%
90%
100%
SNPE Vectan Tubal 7000
91%
89%
97%
Shooters World Long Rifle
91%
89%
98%
Shooters World Precision
85%
89%
100%
Somchem S355
88%
89%
100%
Somchem S361
96%
89%
93%
Somchem S365
96%
89%
100%
Somchem S385
97%
85%
96%
Vihtavuori N133
84%
89%
100%
Vihtavuori N135
89%
89%
100%
Vihtavuori N140
84%
89%
100%
Vihtavuori N150
93%
89%
100%
Vihtavuori N160
91%
90%
99%
Vihtavuori N165
97%
71%
93%
Vihtavuori N540
84%
90%
100%
Vihtavuori N550
91%
90%
99%
Vihtavuori N555
97%
80%
99%
Winchester 6.5 StaBALL
92%
89%
100%
Winchester 760
89%
90%
97%
Winchester StaBALL HD
97%
60%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45440
75%
**69
98%
[ADI AR 2209]*
<<locked>>
88%
39784
65%
**77
90%
[Accurate 2700]*
<<locked>>
81%
43859
72%
**61
94%
[Accurate 3100]*
<<locked>>
86%
31314
51%
**25
90%
Accurate 4064
<<locked>>
81%
48051
79%
**15
100%
Accurate 4350
<<locked>>
81%
36172
59%
**89
95%
Alliant Power Pro 2000-MR
<<locked>>
81%
50154
82%
**02
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
45658
75%
**96
99%
Alliant Reloder-15
<<locked>>
81%
48994
80%
**64
99%
Alliant Reloder-16
<<locked>>
81%
35578
58%
**09
95%
Alliant Reloder-17
<<locked>>
81%
40393
66%
**56
98%
[Alliant Reloder-19]*
<<locked>>
88%
39305
65%
**61
90%
[Alliant Reloder-22]*
<<locked>>
92%
39030
64%
**91
90%
[Alliant Reloder-23]*
<<locked>>
81%
25889
43%
**90
90%
[Alliant Reloder-25]*
<<locked>>
92%
32401
53%
**07
90%
[Alliant Reloder-26]*
<<locked>>
84%
30298
50%
**90
90%
Bofors RP3
<<locked>>
81%
46151
76%
**02
99%
[Bofors RP5]*
<<locked>>
92%
39030
64%
**91
90%
[Bofors RP7]*
<<locked>>
81%
40727
67%
**31
92%
Hodgdon CFE223
<<locked>>
81%
48312
79%
**74
98%
Hodgdon H380
<<locked>>
81%
46659
77%
**15
98%
[Hodgdon H414]*
<<locked>>
81%
41858
69%
**40
94%
[Hodgdon H4350]*
<<locked>>
82%
35781
59%
**17
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
45745
75%
**79
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33025
54%
**97
96%
Hodgdon LVR
<<locked>>
81%
39204
64%
**68
95%
[Hodgdon Superperformance]*
<<locked>>
81%
37710
62%
**51
91%
Hodgdon VARGET
<<locked>>
81%
45194
74%
**56
98%
Hodgdon TrailBoss
<<locked>>
81%
27325
45%
**75
100%
IMR 3031
<<locked>>
81%
50212
82%
**78
100%
IMR 4064
<<locked>>
81%
44701
73%
**40
98%
[IMR 4166 Enduron]*
<<locked>>
81%
43918
72%
**91
94%
[IMR 4350]*
<<locked>>
81%
36143
59%
**30
90%
[IMR 4451 Enduron]*
<<locked>>
81%
42105
69%
**77
94%
[IMR 4831]*
<<locked>>
81%
31488
52%
**44
93%
IMR 4895
<<locked>>
81%
50328
83%
**10
99%
[IMR 4955 Enduron]*
<<locked>>
94%
44773
73%
**30
90%
[IMR 7828 SSC]*
<<locked>>
95%
45005
74%
**25
90%
Lovex S062
<<locked>>
81%
47877
79%
**05
100%
Lovex S065
<<locked>>
81%
39682
65%
**22
95%
[Lovex S070]*
<<locked>>
81%
37724
62%
**82
92%
[Lovex S071]*
<<locked>>
91%
31430
52%
**25
90%
Norma 203B
<<locked>>
81%
48501
80%
**55
99%
[Norma 204]*
<<locked>>
84%
39682
65%
**61
90%
[Norma MRP]*
<<locked>>
88%
35665
59%
**28
90%
Norma URP
<<locked>>
81%
36216
59%
**02
95%
Ramshot Big Game
<<locked>>
81%
48834
80%
**74
99%
[Ramshot Grand]*
<<locked>>
93%
44077
72%
**05
90%
[Ramshot Hunter]*
<<locked>>
81%
35244
58%
**69
92%
[Ramshot Magnum]*
<<locked>>
92%
37782
62%
**28
90%
ReloadSwiss RS 14
<<locked>>
81%
27789
46%
**18
100%
ReloadSwiss RS 50
<<locked>>
81%
46905
77%
**86
96%
ReloadSwiss RS 60
<<locked>>
81%
42931
70%
**45
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
35969
59%
**02
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
35302
58%
**09
93%
Rottweil R 902
<<locked>>
81%
49792
82%
**25
100%
Rottweil R 903
<<locked>>
81%
43250
71%
**36
99%
[Rottweil R 904]*
<<locked>>
89%
42699
70%
**04
90%
[Rottweil R 905]*
<<locked>>
89%
38740
64%
**58
90%
[Rottweil R 907]*
<<locked>>
81%
40727
67%
**31
92%
SNPE Vectan SP 11
<<locked>>
81%
44541
73%
**92
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
45049
74%
**71
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38928
64%
**49
93%
Shooters World Long Rifle
<<locked>>
81%
39682
65%
**22
95%
Shooters World Precision
<<locked>>
81%
47877
79%
**05
100%
Somchem S355
<<locked>>
81%
43845
72%
**43
99%
[Somchem S361]*
<<locked>>
90%
45078
74%
**14
90%
Somchem S365
<<locked>>
81%
32387
53%
**33
97%
[Somchem S385]*
<<locked>>
86%
35723
59%
**43
90%
Vihtavuori N133
<<locked>>
81%
50140
82%
**63
100%
Vihtavuori N135
<<locked>>
81%
42279
69%
**64
100%
Vihtavuori N140
<<locked>>
81%
49705
82%
**12
100%
Vihtavuori N150
<<locked>>
81%
37405
61%
**59
99%
Vihtavuori N160
<<locked>>
81%
39378
65%
**48
96%
[Vihtavuori N165]*
<<locked>>
92%
37159
61%
**66
90%
Vihtavuori N540
<<locked>>
81%
49501
81%
**25
100%
Vihtavuori N550
<<locked>>
81%
39784
65%
**91
96%
[Vihtavuori N555]*
<<locked>>
81%
28268
46%
**79
91%
Winchester 6.5 StaBALL
<<locked>>
81%
37028
61%
**69
98%
[Winchester 760]*
<<locked>>
81%
41858
69%
**40
94%
[Winchester StaBALL HD]*
<<locked>>
85%
26469
43%
**59
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.

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

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