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Load data for .300 Lapua Mag. + .308 | 138gr | Hasler ARIETE

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Lapua Mag. + .308 | 138gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 138gr | Hasler ARIETE
Manufacturer SKU:
A30-138
Bullet Weight:
138gr | 8.9g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.582" | 91.0mm
Seated Depth:
0.342" | 8.7mm
Shank Seated Depth:
0.122" | 3.1mm
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_B7069_C363
Last updated:
2025-02-02
Recommended Twist Rate:
1:13 - 1:11

Load data for 158 loads in caliber .300 Lapua Mag. with .308 | 138gr | Hasler ARIETE bullet and 79 powders such as Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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 2208
<<locked>>
86%
54404
89%
**09
100%
ADI AR 2209
<<locked>>
97%
53113
87%
**61
96%
[ADI AR 2213]*
<<locked>>
97%
47718
78%
**56
93%
Accurate 2700
<<locked>>
87%
54244
89%
**50
97%
Accurate 3100
<<locked>>
97%
45614
75%
**64
97%
Accurate 4064
<<locked>>
85%
54505
89%
**79
100%
Accurate 4350
<<locked>>
92%
54288
89%
**64
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
54650
90%
**25
100%
Alliant Reloder-15
<<locked>>
84%
54708
90%
**51
100%
Alliant Reloder-16 👍
<<locked>>
94%
54650
90%
**27
100%
Alliant Reloder-17
<<locked>>
89%
54694
90%
**30
100%
Alliant Reloder-19
<<locked>>
97%
52388
86%
**35
96%
Alliant Reloder-22
<<locked>>
97%
46282
76%
**56
95%
Alliant Reloder-23
<<locked>>
97%
43352
71%
**00
100%
Alliant Reloder-25
<<locked>>
97%
37681
62%
**69
95%
Alliant Reloder-26
<<locked>>
97%
50096
82%
**01
99%
Hodgdon CFE223
<<locked>>
84%
54273
89%
**68
100%
Hodgdon H380
<<locked>>
86%
54578
90%
**38
100%
Hodgdon H414
<<locked>>
88%
54781
90%
**91
98%
Hodgdon H4350
<<locked>>
95%
54752
90%
**32
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
50111
82%
**56
93%
Hodgdon Hybrid 100V
<<locked>>
96%
54679
90%
**35
100%
Hodgdon LVR 👍
<<locked>>
91%
54650
90%
**78
99%
Hodgdon Superperformance
<<locked>>
91%
54389
89%
**01
98%
Hodgdon VARGET
<<locked>>
87%
54694
90%
**09
100%
Hodgdon TrailBoss
<<locked>>
97%
34374
56%
**37
100%
IMR 3031
<<locked>>
84%
54737
90%
**12
100%
IMR 4064
<<locked>>
87%
54273
89%
**92
100%
IMR 4166 Enduron
<<locked>>
88%
54824
90%
**89
98%
IMR 4350
<<locked>>
93%
54795
90%
**32
98%
IMR 4451 Enduron
<<locked>>
89%
54549
90%
**05
98%
IMR 4831
<<locked>>
97%
53185
87%
**25
100%
IMR 4895
<<locked>>
83%
54230
89%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49168
81%
**14
93%
[IMR 7828 SSC]*
<<locked>>
97%
48892
80%
**12
94%
Lovex S062
<<locked>>
85%
54418
89%
**96
100%
Lovex S065
<<locked>>
91%
54723
90%
**09
99%
Lovex S070
<<locked>>
92%
54215
89%
**25
98%
Lovex S071
<<locked>>
97%
37565
62%
**81
95%
Norma 203B
<<locked>>
85%
54549
90%
**32
100%
Norma 204
<<locked>>
93%
54389
89%
**51
96%
Norma MRP
<<locked>>
97%
48979
80%
**45
97%
Norma URP
<<locked>>
93%
54317
89%
**68
100%
Ramshot Big Game
<<locked>>
84%
54476
89%
**48
100%
Ramshot Hunter
<<locked>>
93%
54404
89%
**78
99%
Ramshot Magnum
<<locked>>
97%
45107
74%
**00
95%
ReloadSwiss RS 14
<<locked>>
96%
34737
57%
**83
100%
ReloadSwiss RS 50
<<locked>>
85%
54447
89%
**05
99%
ReloadSwiss RS 52
<<locked>>
84%
54085
89%
**45
100%
ReloadSwiss RS 60
<<locked>>
90%
54795
90%
**56
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
54418
89%
**91
100%
ReloadSwiss RS 70
<<locked>>
93%
54708
90%
**46
100%
Rottweil R 902
<<locked>>
84%
54389
89%
**73
100%
Rottweil R 903
<<locked>>
88%
54375
89%
**25
100%
Rottweil R 904
<<locked>>
96%
54418
89%
**15
95%
Rottweil R 905
<<locked>>
97%
51271
84%
**25
96%
Rottweil R 907
<<locked>>
90%
54375
89%
**12
98%
SNPE Vectan SP 11
<<locked>>
87%
54259
89%
**45
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
54534
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
54824
90%
**59
98%
Shooters World Long Rifle
<<locked>>
91%
54723
90%
**09
99%
Shooters World Precision
<<locked>>
85%
54418
89%
**96
100%
Somchem S355
<<locked>>
88%
54665
90%
**19
100%
Somchem S361
<<locked>>
96%
54737
90%
**82
95%
Somchem S365 👍
<<locked>>
95%
54230
89%
**87
100%
Somchem S385
<<locked>>
97%
52257
86%
**96
97%
Vihtavuori N133
<<locked>>
84%
54737
90%
**87
100%
Vihtavuori N135
<<locked>>
89%
54737
90%
**46
100%
Vihtavuori N140
<<locked>>
84%
54810
90%
**50
100%
Vihtavuori N150
<<locked>>
93%
54317
89%
**66
100%
Vihtavuori N160
<<locked>>
90%
54563
90%
**25
100%
[Vihtavuori N165]*
<<locked>>
97%
43236
71%
**02
94%
Vihtavuori N540
<<locked>>
84%
54360
89%
**66
100%
Vihtavuori N550 👍
<<locked>>
90%
54375
89%
**71
100%
Vihtavuori N555
<<locked>>
97%
48312
79%
**89
99%
[Vihtavuori N560]*
<<locked>>
97%
46456
76%
**73
92%
Winchester 6.5 StaBALL
<<locked>>
92%
54172
89%
**96
100%
Winchester 760
<<locked>>
88%
54781
90%
**91
98%
Winchester StaBALL HD
<<locked>>
97%
37869
62%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45440
75%
**38
99%
[ADI AR 2209]*
<<locked>>
86%
36637
60%
**77
90%
[ADI AR 2213]*
<<locked>>
93%
41597
68%
**15
90%
Accurate 2700
<<locked>>
81%
43874
72%
**46
95%
[Accurate 3100]*
<<locked>>
85%
29022
48%
**51
90%
Accurate 4064
<<locked>>
81%
46978
77%
**61
100%
Accurate 4350
<<locked>>
81%
35578
58%
**67
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45643
75%
**61
100%
Alliant Reloder-15
<<locked>>
81%
49081
81%
**46
100%
Alliant Reloder-16
<<locked>>
81%
35360
58%
**94
96%
Alliant Reloder-17
<<locked>>
81%
40306
66%
**38
99%
[Alliant Reloder-19]*
<<locked>>
86%
35839
59%
**64
90%
[Alliant Reloder-22]*
<<locked>>
90%
36100
59%
**00
90%
[Alliant Reloder-23]*
<<locked>>
81%
25150
41%
**66
91%
[Alliant Reloder-25]*
<<locked>>
90%
29921
49%
**23
90%
[Alliant Reloder-26]*
<<locked>>
82%
28311
46%
**20
90%
Hodgdon CFE223
<<locked>>
81%
48588
80%
**53
99%
Hodgdon H380
<<locked>>
81%
46528
76%
**84
98%
Hodgdon H414
<<locked>>
81%
41771
69%
**12
95%
[Hodgdon H4350]*
<<locked>>
81%
34301
56%
**72
91%
[Hodgdon H4831 SC]*
<<locked>>
92%
42177
69%
**86
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32561
53%
**66
97%
Hodgdon LVR
<<locked>>
81%
39102
64%
**53
96%
[Hodgdon Superperformance]*
<<locked>>
81%
37347
61%
**33
93%
Hodgdon VARGET
<<locked>>
81%
45252
74%
**28
99%
Hodgdon TrailBoss
<<locked>>
81%
27064
44%
**67
100%
IMR 3031
<<locked>>
81%
50140
82%
**36
100%
IMR 4064
<<locked>>
81%
44701
73%
**12
99%
IMR 4166 Enduron
<<locked>>
81%
43772
72%
**72
96%
[IMR 4350]*
<<locked>>
81%
36056
59%
**22
92%
IMR 4451 Enduron
<<locked>>
81%
42090
69%
**56
95%
[IMR 4831]*
<<locked>>
81%
30850
51%
**17
94%
IMR 4895
<<locked>>
81%
50502
83%
**79
100%
[IMR 4955 Enduron]*
<<locked>>
91%
41060
67%
**30
90%
[IMR 7828 SSC]*
<<locked>>
92%
41089
67%
**25
90%
Lovex S062
<<locked>>
81%
47747
78%
**77
100%
Lovex S065
<<locked>>
81%
39146
64%
**90
96%
[Lovex S070]*
<<locked>>
81%
37362
61%
**64
94%
[Lovex S071]*
<<locked>>
90%
29167
48%
**51
90%
Norma 203B
<<locked>>
81%
48443
80%
**33
100%
[Norma 204]*
<<locked>>
82%
36521
60%
**61
90%
[Norma MRP]*
<<locked>>
86%
33141
54%
**51
90%
Norma URP
<<locked>>
81%
35853
59%
**74
96%
Ramshot Big Game
<<locked>>
81%
48965
80%
**43
100%
[Ramshot Hunter]*
<<locked>>
81%
35027
57%
**44
93%
[Ramshot Magnum]*
<<locked>>
91%
35143
58%
**48
90%
ReloadSwiss RS 14
<<locked>>
81%
27456
45%
**09
100%
ReloadSwiss RS 50
<<locked>>
81%
46659
77%
**68
97%
ReloadSwiss RS 52
<<locked>>
81%
48312
79%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
39059
64%
**25
99%
ReloadSwiss RS 62
<<locked>>
81%
35752
59%
**84
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
35012
57%
**84
94%
Rottweil R 902
<<locked>>
81%
49429
81%
**91
100%
Rottweil R 903
<<locked>>
81%
42917
70%
**05
99%
[Rottweil R 904]*
<<locked>>
87%
39088
64%
**00
90%
[Rottweil R 905]*
<<locked>>
86%
35404
58%
**54
90%
[Rottweil R 907]*
<<locked>>
81%
40335
66%
**10
94%
SNPE Vectan SP 11
<<locked>>
81%
44701
73%
**71
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
44875
74%
**27
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38537
63%
**31
94%
Shooters World Long Rifle
<<locked>>
81%
39146
64%
**90
96%
Shooters World Precision
<<locked>>
81%
47747
78%
**77
100%
Somchem S355
<<locked>>
81%
43439
71%
**12
99%
[Somchem S361]*
<<locked>>
88%
41829
69%
**23
90%
Somchem S365
<<locked>>
81%
32010
53%
**05
98%
[Somchem S385]*
<<locked>>
84%
33011
54%
**62
90%
Vihtavuori N133
<<locked>>
81%
50343
83%
**25
100%
Vihtavuori N135
<<locked>>
81%
42047
69%
**20
100%
Vihtavuori N140
<<locked>>
81%
49763
82%
**71
100%
Vihtavuori N150
<<locked>>
81%
36927
61%
**25
99%
Vihtavuori N160
<<locked>>
81%
39015
64%
**20
97%
[Vihtavuori N165]*
<<locked>>
90%
34069
56%
**79
90%
Vihtavuori N540
<<locked>>
81%
49530
81%
**87
100%
Vihtavuori N550
<<locked>>
81%
39653
65%
**63
97%
[Vihtavuori N555]*
<<locked>>
81%
27456
45%
**54
92%
[Vihtavuori N560]*
<<locked>>
94%
42047
69%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36840
60%
**44
98%
Winchester 760
<<locked>>
81%
41771
69%
**12
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24584
40%
**85
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.

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