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

Recommended Powder(s): Alliant Reloder-17, Hodgdon LVR, SNPE Vectan SP 11, Somchem S365, Vihtavuori N550

.300 Weath. 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 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.517" | 13.1mm
Shank Seated Depth:
0.298" | 7.6mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B7069_C379
Last updated:
Mon Jul 14 2025 13:57:32 GMT+0000 (Coordinated Universal Time)
Recommended Twist Rate:
1:13 - 1:11

Load data for 178 loads in caliber .300 Weath. Mag. with .308 | 138gr | Hasler ARIETE bullet and 89 powders such as Alliant Reloder-17, Hodgdon LVR, SNPE Vectan SP 11, 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".

  • No data yet

  • 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 2206H
<<locked>>
84%
56942
89%
**61
100%
ADI AR 2208
<<locked>>
90%
57087
89%
**41
100%
ADI AR 2209
<<locked>>
97%
50009
78%
**79
95%
Accurate 2495
<<locked>>
83%
56797
89%
**02
100%
Accurate 2700
<<locked>>
90%
57058
89%
**76
97%
Accurate 3100
<<locked>>
97%
42612
67%
**92
96%
Accurate 4064
<<locked>>
89%
57261
90%
**25
100%
Accurate 4350
<<locked>>
95%
56710
89%
**91
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
56942
89%
**55
100%
Alliant Reloder-15
<<locked>>
87%
57188
90%
**74
100%
Alliant Reloder-16
<<locked>>
97%
56420
88%
**33
100%
Alliant Reloder-17 👍
<<locked>>
92%
57014
89%
**53
100%
Alliant Reloder-19
<<locked>>
97%
49559
78%
**66
95%
[Alliant Reloder-22]*
<<locked>>
97%
43076
68%
**71
93%
Alliant Reloder-23
<<locked>>
97%
40263
63%
**22
99%
[Alliant Reloder-25]*
<<locked>>
97%
35288
55%
**84
93%
Alliant Reloder-26
<<locked>>
97%
45643
72%
**02
98%
Baschieri & Pellagri 107
<<locked>>
84%
57072
89%
**68
100%
Hodgdon CFE223
<<locked>>
87%
56695
89%
**91
100%
Hodgdon H380
<<locked>>
89%
57392
90%
**64
100%
Hodgdon H414
<<locked>>
91%
56768
89%
**10
98%
Hodgdon H4350
<<locked>>
97%
54099
85%
**96
97%
Hodgdon Hybrid 100V
<<locked>>
97%
53040
83%
**05
100%
Hodgdon LVR 👍
<<locked>>
94%
56797
89%
**01
99%
Hodgdon Superperformance
<<locked>>
94%
56695
89%
**40
98%
Hodgdon VARGET
<<locked>>
90%
57087
89%
**41
100%
Hodgdon TrailBoss
<<locked>>
97%
33982
53%
**14
100%
IMR 3031
<<locked>>
87%
57014
89%
**38
100%
IMR 4064
<<locked>>
90%
57232
90%
**35
100%
IMR 4166 Enduron
<<locked>>
91%
56927
89%
**09
98%
IMR 4350
<<locked>>
96%
57072
89%
**48
98%
IMR 4451 Enduron
<<locked>>
92%
57101
89%
**41
98%
IMR 4831
<<locked>>
97%
49951
78%
**63
99%
IMR 4895
<<locked>>
87%
57377
90%
**91
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46572
73%
**38
92%
IMR 8208 XBR
<<locked>>
83%
57392
90%
**28
100%
Lovex D073.6
<<locked>>
84%
57159
90%
**32
100%
Lovex S060
<<locked>>
85%
57203
90%
**96
100%
Lovex S062
<<locked>>
88%
56898
89%
**19
100%
Lovex S065
<<locked>>
94%
57421
90%
**48
99%
Lovex S070
<<locked>>
95%
56913
89%
**58
98%
[Lovex S071]*
<<locked>>
97%
34766
54%
**12
93%
Norma 201
<<locked>>
85%
56884
89%
**19
100%
Norma 202
<<locked>>
85%
57058
89%
**05
100%
Norma 203B
<<locked>>
88%
57159
90%
**74
100%
Norma 204
<<locked>>
96%
57217
90%
**94
97%
Norma MRP
<<locked>>
97%
45353
71%
**69
96%
Norma URP
<<locked>>
96%
57014
89%
**04
100%
Ramshot Big Game
<<locked>>
87%
57290
90%
**81
100%
Ramshot Hunter
<<locked>>
97%
56985
89%
**07
99%
[Ramshot Magnum]*
<<locked>>
97%
41568
65%
**99
93%
ReloadSwiss RS 14
<<locked>>
96%
34345
54%
**57
100%
ReloadSwiss RS 50
<<locked>>
88%
56681
89%
**38
99%
ReloadSwiss RS 52
<<locked>>
87%
56840
89%
**81
100%
ReloadSwiss RS 60
<<locked>>
93%
57029
89%
**76
100%
ReloadSwiss RS 62
<<locked>>
96%
57203
90%
**23
100%
ReloadSwiss RS 70
<<locked>>
96%
56753
89%
**69
100%
Rottweil R 902
<<locked>>
87%
56811
89%
**09
100%
Rottweil R 903
<<locked>>
91%
56724
89%
**51
100%
[Rottweil R 904]*
<<locked>>
97%
51967
81%
**59
94%
Rottweil R 905
<<locked>>
97%
47935
75%
**36
95%
Rottweil R 907
<<locked>>
93%
57101
89%
**35
98%
SNPE Vectan SP 11 👍
<<locked>>
90%
57087
89%
**91
100%
SNPE Vectan SP 7
<<locked>>
83%
56884
89%
**28
99%
SNPE Vectan SP 9
<<locked>>
85%
57058
89%
**51
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57203
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
57334
90%
**27
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56666
89%
**79
98%
Shooters World Long Rifle
<<locked>>
94%
57421
90%
**48
99%
Shooters World Match Rifle
<<locked>>
84%
57159
90%
**32
100%
Shooters World Precision
<<locked>>
88%
56898
89%
**19
100%
Somchem S335
<<locked>>
85%
57029
89%
**33
100%
Somchem S341
<<locked>>
84%
57188
90%
**25
100%
Somchem S355
<<locked>>
91%
56927
89%
**51
100%
[Somchem S361]*
<<locked>>
97%
53824
84%
**50
94%
Somchem S365 👍
<<locked>>
97%
53055
83%
**61
100%
Somchem S385
<<locked>>
97%
48733
76%
**17
96%
Vihtavuori N133
<<locked>>
87%
57435
90%
**27
100%
Vihtavuori N135
<<locked>>
92%
56768
89%
**66
100%
Vihtavuori N140
<<locked>>
87%
56985
89%
**79
100%
Vihtavuori N150
<<locked>>
96%
57232
90%
**05
100%
Vihtavuori N160
<<locked>>
93%
56985
89%
**58
100%
[Vihtavuori N165]*
<<locked>>
97%
40393
63%
**27
93%
Vihtavuori N540
<<locked>>
87%
57043
89%
**05
100%
Vihtavuori N550 👍
<<locked>>
93%
57276
90%
**04
100%
Vihtavuori N555
<<locked>>
97%
44701
70%
**10
99%
Winchester 6.5 StaBALL
<<locked>>
95%
57246
90%
**35
100%
Winchester 760
<<locked>>
91%
56768
89%
**10
98%
Winchester StaBALL HD
<<locked>>
97%
33359
52%
**18
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50937
80%
**56
100%
ADI AR 2208
<<locked>>
81%
43366
68%
**79
98%
[ADI AR 2209]*
<<locked>>
89%
38101
60%
**04
90%
Accurate 2495
<<locked>>
81%
52373
82%
**23
100%
[Accurate 2700]*
<<locked>>
81%
41336
65%
**71
93%
[Accurate 3100]*
<<locked>>
88%
30023
47%
**77
90%
Accurate 4064
<<locked>>
81%
44121
69%
**02
100%
[Accurate 4350]*
<<locked>>
81%
32996
52%
**82
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
43120
68%
**02
99%
Alliant Reloder-15
<<locked>>
81%
46253
72%
**81
99%
[Alliant Reloder-16]*
<<locked>>
81%
33243
52%
**18
94%
Alliant Reloder-17
<<locked>>
81%
37826
59%
**72
98%
[Alliant Reloder-19]*
<<locked>>
89%
37478
59%
**90
90%
[Alliant Reloder-22]*
<<locked>>
93%
37333
58%
**27
90%
[Alliant Reloder-23]*
<<locked>>
82%
24453
38%
**33
90%
[Alliant Reloder-25]*
<<locked>>
93%
31096
49%
**56
90%
[Alliant Reloder-26]*
<<locked>>
85%
29254
46%
**43
90%
Baschieri & Pellagri 107
<<locked>>
81%
51024
80%
**59
99%
Hodgdon CFE223
<<locked>>
81%
45730
72%
**94
98%
Hodgdon H380
<<locked>>
81%
43918
69%
**18
97%
[Hodgdon H414]*
<<locked>>
81%
39059
61%
**49
93%
[Hodgdon H4350]*
<<locked>>
83%
33953
53%
**56
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30443
48%
**03
95%
Hodgdon LVR
<<locked>>
81%
36463
57%
**71
95%
[Hodgdon Superperformance]*
<<locked>>
81%
35186
55%
**51
91%
Hodgdon VARGET
<<locked>>
81%
42844
67%
**66
98%
Hodgdon TrailBoss
<<locked>>
81%
26890
42%
**44
100%
IMR 3031
<<locked>>
81%
47297
74%
**74
100%
IMR 4064
<<locked>>
81%
42134
66%
**43
98%
[IMR 4166 Enduron]*
<<locked>>
81%
41829
66%
**10
94%
[IMR 4350]*
<<locked>>
81%
33982
53%
**56
90%
[IMR 4451 Enduron]*
<<locked>>
81%
39987
63%
**97
94%
[IMR 4831]*
<<locked>>
81%
28906
45%
**51
92%
IMR 4895
<<locked>>
81%
47514
74%
**10
99%
[IMR 4955 Enduron]*
<<locked>>
94%
42728
67%
**56
90%
IMR 8208 XBR
<<locked>>
81%
53287
84%
**56
100%
Lovex D073.6
<<locked>>
81%
50778
80%
**20
100%
Lovex S060
<<locked>>
81%
50618
79%
**91
100%
Lovex S062
<<locked>>
81%
45324
71%
**18
100%
[Lovex S065]*
<<locked>>
81%
37043
58%
**28
94%
[Lovex S070]*
<<locked>>
81%
35157
55%
**82
92%
[Lovex S071]*
<<locked>>
93%
30269
47%
**84
90%
Norma 201
<<locked>>
81%
49501
78%
**87
100%
Norma 202
<<locked>>
81%
50299
79%
**04
100%
Norma 203B
<<locked>>
81%
45527
71%
**61
99%
[Norma 204]*
<<locked>>
84%
37637
59%
**81
90%
[Norma MRP]*
<<locked>>
89%
33953
53%
**64
90%
[Norma URP]*
<<locked>>
81%
33562
53%
**05
94%
Ramshot Big Game
<<locked>>
81%
46238
72%
**91
99%
[Ramshot Hunter]*
<<locked>>
81%
32837
51%
**85
92%
[Ramshot Magnum]*
<<locked>>
93%
36216
57%
**67
90%
ReloadSwiss RS 14
<<locked>>
81%
27238
43%
**86
100%
ReloadSwiss RS 50
<<locked>>
81%
44222
69%
**92
96%
ReloadSwiss RS 52
<<locked>>
81%
45382
71%
**81
100%
ReloadSwiss RS 60
<<locked>>
81%
36738
58%
**56
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
33141
52%
**15
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
32982
52%
**12
92%
Rottweil R 902
<<locked>>
81%
47050
74%
**31
100%
Rottweil R 903
<<locked>>
81%
40364
63%
**33
99%
[Rottweil R 904]*
<<locked>>
90%
40698
64%
**23
90%
[Rottweil R 905]*
<<locked>>
89%
36767
58%
**77
90%
[Rottweil R 907]*
<<locked>>
81%
38174
60%
**44
92%
SNPE Vectan SP 11
<<locked>>
81%
42061
66%
**09
98%
SNPE Vectan SP 7
<<locked>>
81%
52054
82%
**43
99%
SNPE Vectan SP 9
<<locked>>
81%
49937
78%
**20
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50952
80%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42685
67%
**84
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36172
57%
**56
92%
[Shooters World Long Rifle]*
<<locked>>
81%
37043
58%
**28
94%
Shooters World Match Rifle
<<locked>>
81%
50778
80%
**20
100%
Shooters World Precision
<<locked>>
81%
45324
71%
**18
100%
Somchem S335
<<locked>>
81%
50517
79%
**28
100%
Somchem S341
<<locked>>
81%
51866
81%
**43
100%
Somchem S355
<<locked>>
81%
40959
64%
**36
99%
[Somchem S361]*
<<locked>>
91%
43569
68%
**49
90%
Somchem S365
<<locked>>
81%
29849
47%
**33
96%
[Somchem S385]*
<<locked>>
87%
33794
53%
**79
90%
Vihtavuori N133
<<locked>>
81%
48138
75%
**79
100%
Vihtavuori N135
<<locked>>
81%
39813
62%
**74
100%
Vihtavuori N140
<<locked>>
81%
47152
74%
**12
100%
Vihtavuori N150
<<locked>>
81%
34780
54%
**66
98%
Vihtavuori N160
<<locked>>
81%
36579
57%
**51
96%
[Vihtavuori N165]*
<<locked>>
93%
35433
56%
**05
90%
Vihtavuori N540
<<locked>>
81%
46775
73%
**31
100%
Vihtavuori N550
<<locked>>
81%
37130
58%
**90
96%
[Vihtavuori N555]*
<<locked>>
81%
25686
40%
**92
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34650
54%
**79
97%
[Winchester 760]*
<<locked>>
81%
39059
61%
**49
93%
[Winchester StaBALL HD]*
<<locked>>
87%
25295
40%
**12
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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