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Load data for .300 Lapua Mag. + .308 | 180gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum, ReloadSwiss RS 76

.300 Lapua Mag. + .308 | 180gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | A-Square MONO RN
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.030" | 26.2mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.129" | 3.3mm
Shank Seated Depth:
0.129" | 3.3mm
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_B379_C363
Last updated:
2025-02-02

Load data for 108 loads in caliber .300 Lapua Mag. with .308 | 180gr | A-Square MONO RN bullet and 54 powders such as Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum, ReloadSwiss RS 76. 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>>
89%
54317
89%
**49
99%
ADI AR 2213
<<locked>>
92%
54317
89%
**76
98%
ADI AR 2217
<<locked>>
97%
47485
78%
**48
97%
ADI AR 2225
<<locked>>
97%
42221
69%
**02
99%
Accurate 3100
<<locked>>
92%
54259
89%
**87
100%
Accurate 4350
<<locked>>
83%
54346
89%
**00
100%
Accurate MAGPRO
<<locked>>
92%
54331
89%
**86
97%
Alliant Reloder-16
<<locked>>
85%
54331
89%
**43
100%
Alliant Reloder-19
<<locked>>
89%
54288
89%
**43
99%
Alliant Reloder-22 👍
<<locked>>
92%
54447
89%
**76
99%
Alliant Reloder-23
<<locked>>
93%
54418
89%
**40
100%
Alliant Reloder-25 👍
<<locked>>
97%
53766
88%
**95
100%
Alliant Reloder-26
<<locked>>
89%
54694
90%
**12
100%
Hodgdon H1000
<<locked>>
97%
47485
78%
**48
97%
Hodgdon H4350
<<locked>>
87%
54389
89%
**87
100%
Hodgdon H4831
<<locked>>
94%
54288
89%
**23
98%
Hodgdon H4831 SC
<<locked>>
90%
54288
89%
**23
98%
Hodgdon Hybrid 100V
<<locked>>
86%
54201
89%
**64
100%
Hodgdon Retumbo
<<locked>>
97%
42221
69%
**02
99%
Hodgdon TrailBoss
<<locked>>
96%
35447
58%
**27
100%
IMR 4350
<<locked>>
85%
54273
89%
**77
100%
IMR 4831
<<locked>>
88%
54491
89%
**97
100%
IMR 4955 Enduron
<<locked>>
92%
54563
90%
**00
98%
IMR 7828 SSC
<<locked>>
91%
54781
90%
**99
99%
[IMR 7977 Enduron]*
<<locked>>
96%
54215
89%
**35
91%
[IMR 8133 Enduron]*
<<locked>>
97%
38290
63%
**97
94%
Lovex S070
<<locked>>
84%
54491
89%
**84
100%
Lovex S071
<<locked>>
97%
54259
89%
**87
100%
Norma 204
<<locked>>
85%
54766
90%
**33
99%
Norma 217
<<locked>>
97%
38348
63%
**23
97%
Norma MRP 👍
<<locked>>
90%
54476
89%
**05
100%
Norma URP
<<locked>>
84%
54549
90%
**17
100%
Ramshot Hunter
<<locked>>
85%
54636
90%
**30
100%
Ramshot Magnum 👍
<<locked>>
93%
54810
90%
**72
100%
ReloadSwiss RS 14
<<locked>>
97%
36651
60%
**73
100%
ReloadSwiss RS 62
<<locked>>
83%
54824
90%
**27
100%
ReloadSwiss RS 70
<<locked>>
84%
54723
90%
**76
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
53171
87%
**48
100%
ReloadSwiss RS 80
<<locked>>
97%
47964
79%
**17
96%
Rottweil R 904
<<locked>>
88%
54621
90%
**04
98%
Rottweil R 905
<<locked>>
89%
54085
89%
**30
99%
SNPE Vectan Tubal 7000
<<locked>>
83%
54665
90%
**31
100%
Somchem S361
<<locked>>
87%
54665
90%
**74
98%
Somchem S365
<<locked>>
86%
54288
89%
**07
100%
Somchem S385
<<locked>>
89%
54737
90%
**07
100%
Vihtavuori N150
<<locked>>
84%
54360
89%
**05
100%
Vihtavuori N165
<<locked>>
94%
54491
89%
**87
99%
Vihtavuori N555
<<locked>>
90%
54447
89%
**33
100%
Vihtavuori N560
<<locked>>
92%
54418
89%
**05
98%
Vihtavuori N565
<<locked>>
96%
54694
90%
**89
98%
Vihtavuori N568
<<locked>>
97%
49603
81%
**40
96%
[Vihtavuori N570]*
<<locked>>
97%
47297
78%
**23
93%
Winchester 6.5 StaBALL
<<locked>>
84%
54520
89%
**48
100%
Winchester StaBALL HD
<<locked>>
94%
54230
89%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42119
69%
**17
97%
[ADI AR 2213]*
<<locked>>
81%
37507
62%
**28
93%
[ADI AR 2217]*
<<locked>>
85%
31662
52%
**74
90%
[ADI AR 2225]*
<<locked>>
82%
26643
44%
**46
90%
Accurate 3100
<<locked>>
81%
37927
62%
**85
98%
Accurate 4350
<<locked>>
81%
50618
83%
**48
100%
[Accurate MAGPRO]*
<<locked>>
81%
36898
61%
**28
91%
Alliant Reloder-16
<<locked>>
81%
48269
79%
**44
100%
Alliant Reloder-19
<<locked>>
81%
42090
69%
**10
97%
Alliant Reloder-22
<<locked>>
81%
37695
62%
**41
95%
Alliant Reloder-23
<<locked>>
81%
36477
60%
**08
100%
Alliant Reloder-25
<<locked>>
81%
31676
52%
**16
97%
Alliant Reloder-26
<<locked>>
81%
40509
67%
**56
100%
[Hodgdon H1000]*
<<locked>>
85%
31662
52%
**74
90%
Hodgdon H4350
<<locked>>
81%
45730
75%
**36
98%
[Hodgdon H4831]*
<<locked>>
81%
35433
58%
**33
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39233
64%
**21
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45585
75%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
82%
26643
44%
**46
90%
Hodgdon TrailBoss
<<locked>>
81%
28413
47%
**73
100%
IMR 4350
<<locked>>
81%
48124
79%
**76
99%
IMR 4831
<<locked>>
81%
43598
72%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39392
65%
**98
94%
[IMR 7828 SSC]*
<<locked>>
81%
38580
63%
**64
94%
[IMR 7977 Enduron]*
<<locked>>
94%
50285
83%
**66
90%
[IMR 8133 Enduron]*
<<locked>>
90%
31227
51%
**10
90%
Lovex S070
<<locked>>
81%
49980
82%
**08
100%
Lovex S071
<<locked>>
81%
32532
53%
**48
96%
Norma 204
<<locked>>
81%
48515
80%
**25
98%
[Norma 217]*
<<locked>>
86%
27050
44%
**02
90%
Norma MRP
<<locked>>
81%
39842
65%
**20
98%
Norma URP
<<locked>>
81%
49371
81%
**28
100%
Ramshot Hunter
<<locked>>
81%
48370
79%
**22
100%
Ramshot Magnum
<<locked>>
81%
34998
57%
**75
95%
ReloadSwiss RS 14
<<locked>>
81%
29109
48%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
50618
83%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
48834
80%
**81
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29863
49%
**90
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
34156
56%
**02
90%
Rottweil R 904
<<locked>>
81%
43236
71%
**84
96%
Rottweil R 905
<<locked>>
81%
41582
68%
**94
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
50705
83%
**69
100%
Somchem S361
<<locked>>
81%
44208
73%
**77
95%
Somchem S365
<<locked>>
81%
46673
77%
**89
100%
Somchem S385
<<locked>>
81%
41974
69%
**80
98%
Vihtavuori N150
<<locked>>
81%
49139
81%
**30
100%
Vihtavuori N165
<<locked>>
81%
35418
58%
**23
95%
Vihtavuori N555
<<locked>>
81%
40814
67%
**90
100%
[Vihtavuori N560]*
<<locked>>
81%
37782
62%
**61
93%
[Vihtavuori N565]*
<<locked>>
81%
32677
54%
**07
91%
[Vihtavuori N568]*
<<locked>>
88%
35578
58%
**18
90%
[Vihtavuori N570]*
<<locked>>
93%
41191
68%
**89
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50038
82%
**79
100%
Winchester StaBALL HD
<<locked>>
81%
32837
54%
**31
100%

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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