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Load data for .300 Win. Mag. + .308 | 148gr | Hasler ARIETE

Recommended Powder(s): Alliant Reloder-17, Hodgdon H380, Rottweil R 903, SNPE Vectan SP 11, Somchem S355

.300 Win. Mag. + .308 | 148gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 148gr | Hasler ARIETE
Manufacturer SKU:
A30-148
Bullet Weight:
148gr | 9.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B7071_C380
Last updated:
2025-12-18
Recommended Twist Rate:
1:12 - 1:10

Load data for 0 loads in caliber .300 Win. Mag. with .308 | 148gr | Hasler ARIETE bullet and 0 powders such as Alliant Reloder-17, Hodgdon H380, Rottweil R 903, SNPE Vectan SP 11, Somchem S355. 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>>
85%
55463
89%
**94
100%
ADI AR 2208
<<locked>>
90%
55376
89%
**81
100%
[ADI AR 2209]*
<<locked>>
97%
46441
74%
**79
94%
Accurate 2200
<<locked>>
84%
55970
90%
**68
99%
Accurate 2495
<<locked>>
85%
56028
90%
**48
100%
Accurate 2520
<<locked>>
83%
55390
89%
**64
100%
Accurate 2700
<<locked>>
91%
55651
89%
**18
97%
[Accurate 3100]*
<<locked>>
97%
38276
61%
**85
94%
Accurate 4064
<<locked>>
90%
55869
90%
**74
100%
Accurate 4350
<<locked>>
97%
54302
87%
**23
99%
Alliant AR-Comp
<<locked>>
84%
56072
90%
**25
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
56072
90%
**28
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
55985
90%
**04
100%
Alliant Reloder-15
<<locked>>
88%
55477
89%
**17
100%
Alliant Reloder-16
<<locked>>
97%
52460
84%
**40
100%
Alliant Reloder-17 👍
<<locked>>
94%
56072
90%
**22
100%
[Alliant Reloder-19]*
<<locked>>
97%
45353
73%
**59
94%
Alliant Reloder-23
<<locked>>
97%
37188
60%
**38
98%
Alliant Reloder-26
<<locked>>
97%
41597
67%
**95
97%
Baschieri & Pellagri 107
<<locked>>
85%
55753
89%
**17
100%
Bofors RP3
<<locked>>
90%
55332
89%
**97
100%
Bofors RP7
<<locked>>
94%
55898
90%
**84
97%
Hodgdon BL-C2
<<locked>>
84%
55999
90%
**07
100%
Hodgdon Benchmark
<<locked>>
83%
55927
90%
**22
100%
Hodgdon CFE223
<<locked>>
89%
56115
90%
**50
100%
Hodgdon H380 👍
<<locked>>
90%
55434
89%
**04
99%
Hodgdon H414
<<locked>>
93%
55259
89%
**46
98%
Hodgdon H4350
<<locked>>
97%
50879
82%
**09
96%
Hodgdon H4895
<<locked>>
85%
56057
90%
**07
100%
Hodgdon Hybrid 100V
<<locked>>
97%
48646
78%
**05
100%
Hodgdon LVR
<<locked>>
95%
56101
90%
**53
99%
Hodgdon Superperformance
<<locked>>
95%
55506
89%
**79
98%
Hodgdon VARGET
<<locked>>
91%
55825
90%
**81
100%
Hodgdon TrailBoss
<<locked>>
96%
33547
54%
**86
100%
IMR 3031
<<locked>>
88%
55695
89%
**77
100%
IMR 4064
<<locked>>
92%
55970
90%
**77
100%
IMR 4166 Enduron
<<locked>>
92%
55854
90%
**61
98%
IMR 4350
<<locked>>
97%
53824
86%
**64
97%
IMR 4451 Enduron
<<locked>>
93%
55550
89%
**71
98%
IMR 4831
<<locked>>
97%
45876
74%
**59
98%
IMR 4895
<<locked>>
88%
56086
90%
**40
100%
IMR 8208 XBR
<<locked>>
84%
55840
90%
**68
100%
Lovex D073.6
<<locked>>
85%
55390
89%
**64
100%
Lovex S060
<<locked>>
86%
55695
89%
**31
100%
Lovex S062
<<locked>>
89%
55622
89%
**68
100%
Lovex S065
<<locked>>
96%
55753
89%
**87
99%
Lovex S070
<<locked>>
97%
55172
88%
**97
98%
Norma 201
<<locked>>
87%
56057
90%
**68
100%
Norma 202
<<locked>>
86%
56101
90%
**61
100%
Norma 203B
<<locked>>
89%
55521
89%
**07
100%
Norma 204
<<locked>>
97%
54737
88%
**20
96%
[Norma MRP]*
<<locked>>
97%
41394
66%
**53
94%
Norma URP
<<locked>>
97%
53621
86%
**17
99%
Ramshot Big Game
<<locked>>
88%
55521
89%
**23
100%
Ramshot Hunter
<<locked>>
97%
52953
85%
**14
98%
Ramshot TAC
<<locked>>
84%
55637
89%
**71
99%
Ramshot Wild Boar
<<locked>>
84%
56130
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
97%
34243
55%
**39
100%
ReloadSwiss RS 50
<<locked>>
89%
55593
89%
**77
98%
ReloadSwiss RS 52
<<locked>>
86%
55608
89%
**79
100%
ReloadSwiss RS 60
<<locked>>
92%
55622
89%
**15
100%
ReloadSwiss RS 62
<<locked>>
97%
54462
87%
**46
99%
ReloadSwiss RS 70
<<locked>>
97%
54317
87%
**89
99%
Rottweil R 901
<<locked>>
84%
55448
89%
**31
100%
Rottweil R 902
<<locked>>
88%
55666
89%
**58
100%
Rottweil R 903
<<locked>>
92%
55738
89%
**97
100%
[Rottweil R 904]*
<<locked>>
97%
48124
77%
**59
93%
[Rottweil R 905]*
<<locked>>
97%
44005
71%
**46
93%
Rottweil R 907
<<locked>>
94%
55898
90%
**84
97%
SNPE Vectan SP 11 👍
<<locked>>
91%
55680
89%
**33
100%
SNPE Vectan SP 7
<<locked>>
85%
55492
89%
**74
99%
SNPE Vectan SP 9
<<locked>>
86%
55811
89%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55941
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
55390
89%
**63
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
55622
89%
**25
98%
Shooters World Long Rifle
<<locked>>
96%
55753
89%
**87
99%
Shooters World Match Rifle
<<locked>>
85%
55390
89%
**64
100%
Shooters World Precision
<<locked>>
89%
55622
89%
**68
100%
Somchem S335
<<locked>>
86%
55434
89%
**79
100%
Somchem S341
<<locked>>
85%
56072
90%
**77
100%
Somchem S355
<<locked>>
92%
55521
89%
**87
100%
[Somchem S361]*
<<locked>>
97%
49922
80%
**53
92%
Somchem S365
<<locked>>
97%
48385
78%
**68
100%
Somchem S385
<<locked>>
97%
44817
72%
**20
95%
Vihtavuori N133
<<locked>>
87%
55637
89%
**59
100%
Vihtavuori N135
<<locked>>
94%
55753
89%
**15
100%
Vihtavuori N140
<<locked>>
88%
55564
89%
**25
100%
Vihtavuori N150
<<locked>>
97%
54404
87%
**31
100%
Vihtavuori N160 👍
<<locked>>
95%
55259
89%
**04
100%
Vihtavuori N540
<<locked>>
88%
55811
89%
**58
100%
Vihtavuori N550 👍
<<locked>>
95%
56043
90%
**56
100%
Vihtavuori N555
<<locked>>
97%
40930
66%
**13
98%
Winchester 6.5 StaBALL
<<locked>>
96%
56028
90%
**84
100%
Winchester 760
<<locked>>
93%
55259
89%
**46
98%
Winchester StaBALL HD
<<locked>>
97%
32996
53%
**08
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48327
77%
**76
99%
ADI AR 2208
<<locked>>
81%
40712
65%
**95
98%
[ADI AR 2209]*
<<locked>>
91%
38014
61%
**85
90%
Accurate 2200
<<locked>>
81%
50705
81%
**82
99%
Accurate 2495
<<locked>>
81%
49023
79%
**46
100%
Accurate 2520
<<locked>>
81%
50879
82%
**05
100%
[Accurate 2700]*
<<locked>>
81%
38827
62%
**03
92%
[Accurate 3100]*
<<locked>>
89%
29399
47%
**62
90%
Accurate 4064
<<locked>>
81%
41118
66%
**18
100%
[Accurate 4350]*
<<locked>>
81%
30472
49%
**15
93%
Alliant AR-Comp
<<locked>>
81%
51213
82%
**59
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
44483
71%
**12
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
40408
65%
**22
99%
Alliant Reloder-15
<<locked>>
81%
43627
70%
**97
98%
[Alliant Reloder-16]*
<<locked>>
81%
31299
50%
**44
93%
Alliant Reloder-17
<<locked>>
81%
35215
56%
**89
97%
[Alliant Reloder-19]*
<<locked>>
91%
37347
60%
**79
90%
[Alliant Reloder-23]*
<<locked>>
84%
24236
39%
**21
90%
[Alliant Reloder-26]*
<<locked>>
87%
28747
46%
**31
90%
Baschieri & Pellagri 107
<<locked>>
81%
47921
77%
**82
99%
Bofors RP3
<<locked>>
81%
40118
64%
**18
99%
[Bofors RP7]*
<<locked>>
81%
36042
58%
**77
91%
Hodgdon BL-C2
<<locked>>
81%
50691
81%
**25
100%
Hodgdon Benchmark
<<locked>>
81%
52156
84%
**63
100%
Hodgdon CFE223
<<locked>>
81%
42351
68%
**97
98%
Hodgdon H380
<<locked>>
81%
41031
66%
**31
97%
[Hodgdon H414]*
<<locked>>
81%
36332
58%
**69
92%
[Hodgdon H4350]*
<<locked>>
84%
33852
54%
**41
90%
Hodgdon H4895
<<locked>>
81%
48820
78%
**79
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28340
45%
**26
94%
[Hodgdon LVR]*
<<locked>>
81%
34200
55%
**03
94%
[Hodgdon Superperformance]*
<<locked>>
83%
34592
55%
**26
90%
Hodgdon VARGET
<<locked>>
81%
40509
65%
**95
98%
Hodgdon TrailBoss
<<locked>>
81%
26716
43%
**32
100%
IMR 3031
<<locked>>
81%
44541
71%
**97
100%
IMR 4064
<<locked>>
81%
39784
64%
**69
98%
[IMR 4166 Enduron]*
<<locked>>
81%
39537
63%
**33
94%
[IMR 4350]*
<<locked>>
83%
33852
54%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37710
60%
**20
93%
[IMR 4831]*
<<locked>>
81%
26687
43%
**80
91%
IMR 4895
<<locked>>
81%
44788
72%
**27
99%
IMR 8208 XBR
<<locked>>
81%
50705
81%
**82
100%
Lovex D073.6
<<locked>>
81%
47340
76%
**43
100%
Lovex S060
<<locked>>
81%
47950
77%
**97
99%
Lovex S062
<<locked>>
81%
42612
68%
**38
99%
[Lovex S065]*
<<locked>>
81%
34679
56%
**48
93%
[Lovex S070]*
<<locked>>
81%
32706
52%
**15
91%
Norma 201
<<locked>>
81%
46586
75%
**07
100%
Norma 202
<<locked>>
81%
47471
76%
**20
100%
Norma 203B
<<locked>>
81%
43004
69%
**84
99%
[Norma 204]*
<<locked>>
87%
38072
61%
**76
90%
[Norma MRP]*
<<locked>>
91%
34330
55%
**66
90%
[Norma URP]*
<<locked>>
81%
31053
50%
**28
93%
Ramshot Big Game
<<locked>>
81%
43062
69%
**07
99%
[Ramshot Hunter]*
<<locked>>
81%
30385
49%
**02
90%
Ramshot TAC
<<locked>>
81%
50691
81%
**95
98%
Ramshot Wild Boar
<<locked>>
81%
50343
81%
**12
100%
ReloadSwiss RS 14
<<locked>>
81%
26861
43%
**68
100%
ReloadSwiss RS 50
<<locked>>
81%
41423
66%
**08
95%
ReloadSwiss RS 52
<<locked>>
81%
46572
75%
**12
99%
ReloadSwiss RS 60
<<locked>>
81%
37608
60%
**67
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
30516
49%
**28
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
30719
49%
**35
91%
Rottweil R 901
<<locked>>
81%
50372
81%
**46
100%
Rottweil R 902
<<locked>>
81%
44411
71%
**58
100%
Rottweil R 903
<<locked>>
81%
37333
60%
**49
98%
[Rottweil R 904]*
<<locked>>
92%
40538
65%
**02
90%
[Rottweil R 905]*
<<locked>>
91%
36361
58%
**59
90%
[Rottweil R 907]*
<<locked>>
81%
36042
58%
**77
91%
SNPE Vectan SP 11
<<locked>>
81%
39044
63%
**18
98%
SNPE Vectan SP 7
<<locked>>
81%
48950
78%
**63
98%
SNPE Vectan SP 9
<<locked>>
81%
46731
75%
**30
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
48501
78%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40306
65%
**17
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33997
55%
**92
91%
[Shooters World Long Rifle]*
<<locked>>
81%
34679
56%
**48
93%
Shooters World Match Rifle
<<locked>>
81%
47340
76%
**43
100%
Shooters World Precision
<<locked>>
81%
42612
68%
**38
99%
Somchem S335
<<locked>>
81%
47718
77%
**58
100%
Somchem S341
<<locked>>
81%
48704
78%
**56
99%
Somchem S355
<<locked>>
81%
38276
61%
**66
98%
[Somchem S361]*
<<locked>>
93%
43497
70%
**22
90%
Somchem S365
<<locked>>
81%
27775
45%
**72
96%
[Somchem S385]*
<<locked>>
89%
34055
55%
**74
90%
Vihtavuori N133
<<locked>>
81%
45658
73%
**08
100%
Vihtavuori N135
<<locked>>
81%
37304
60%
**07
100%
Vihtavuori N140
<<locked>>
81%
44338
71%
**38
100%
Vihtavuori N150
<<locked>>
81%
32576
52%
**05
98%
Vihtavuori N160
<<locked>>
81%
34156
55%
**80
95%
Vihtavuori N540
<<locked>>
81%
44092
71%
**54
100%
Vihtavuori N550
<<locked>>
81%
34447
55%
**17
95%
[Vihtavuori N555]*
<<locked>>
83%
25121
40%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32489
52%
**18
97%
[Winchester 760]*
<<locked>>
81%
36332
58%
**69
92%
[Winchester StaBALL HD]*
<<locked>>
89%
25251
40%
**10
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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