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Load data for .300 Weath. Mag. + .308 | 155gr | LOS Hunter

Recommended Powder(s):

.300 Weath. Mag. + .308 | 155gr | LOS Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | LOS Hunter
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B3528_C379
Last updated:
2026-03-10
Recommended Twist Rate:
1:13 - 1:11

Load data for 176 loads in caliber .300 Weath. Mag. with .308 | 155gr | LOS Hunter bullet and 88 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".

  • 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 2208
<<locked>>
87%
57305
90%
**77
100%
ADI AR 2209
<<locked>>
97%
54563
86%
**20
97%
[ADI AR 2213]*
<<locked>>
97%
48979
77%
**35
94%
Accurate 2700
<<locked>>
88%
57319
90%
**35
98%
Accurate 3100
<<locked>>
97%
47776
75%
**59
98%
Accurate 4064
<<locked>>
86%
57246
90%
**54
100%
Accurate 4350
<<locked>>
93%
57058
89%
**40
100%
[Accurate MAGPRO]*
<<locked>>
97%
46847
73%
**22
92%
Alliant Power Pro 2000-MR
<<locked>>
83%
56826
89%
**05
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57217
90%
**87
100%
Alliant Reloder-15
<<locked>>
84%
56826
89%
**10
100%
Alliant Reloder-16 👍
<<locked>>
94%
57246
90%
**92
100%
Alliant Reloder-17
<<locked>>
89%
56898
89%
**92
100%
Alliant Reloder-19
<<locked>>
97%
54346
85%
**10
97%
Alliant Reloder-22
<<locked>>
97%
47863
75%
**38
96%
Alliant Reloder-23
<<locked>>
97%
45353
71%
**89
100%
Alliant Reloder-25
<<locked>>
97%
39131
61%
**74
97%
Alliant Reloder-26
<<locked>>
97%
51779
81%
**82
100%
Bofors RP15
<<locked>>
97%
44106
69%
**63
95%
Bofors RP3
<<locked>>
86%
57043
89%
**87
100%
Bofors RP5
<<locked>>
97%
47863
75%
**38
96%
Bofors RP7
<<locked>>
91%
57261
90%
**84
99%
Hodgdon CFE223
<<locked>>
85%
57101
89%
**33
100%
Hodgdon H380
<<locked>>
86%
56623
89%
**04
100%
Hodgdon H414
<<locked>>
89%
56855
89%
**59
99%
Hodgdon H4350
<<locked>>
96%
57377
90%
**10
99%
[Hodgdon H4831]*
<<locked>>
97%
45469
71%
**20
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
51430
81%
**28
94%
Hodgdon Hybrid 100V
<<locked>>
96%
56695
89%
**94
100%
Hodgdon LVR
<<locked>>
91%
56753
89%
**30
100%
Hodgdon Superperformance
<<locked>>
91%
57290
90%
**92
99%
Hodgdon VARGET
<<locked>>
87%
56884
89%
**74
100%
Hodgdon TrailBoss
<<locked>>
97%
34766
54%
**09
100%
IMR 3031
<<locked>>
84%
57130
90%
**64
100%
IMR 4064
<<locked>>
88%
57058
89%
**64
100%
IMR 4166 Enduron
<<locked>>
89%
57305
90%
**61
99%
IMR 4350
<<locked>>
94%
57421
90%
**10
99%
IMR 4451 Enduron
<<locked>>
89%
56985
89%
**91
99%
IMR 4831
<<locked>>
97%
54940
86%
**91
100%
IMR 4895
<<locked>>
84%
56869
89%
**07
100%
IMR 4955 Enduron
<<locked>>
97%
50879
80%
**89
95%
IMR 7828 SSC
<<locked>>
97%
50560
79%
**87
95%
Lovex S062
<<locked>>
86%
57319
90%
**68
100%
Lovex S065
<<locked>>
92%
56956
89%
**81
100%
Lovex S070
<<locked>>
93%
56985
89%
**97
99%
Lovex S071
<<locked>>
97%
39233
61%
**79
96%
Norma 203B
<<locked>>
85%
57392
90%
**07
100%
Norma 204
<<locked>>
93%
57435
90%
**50
98%
Norma MRP
<<locked>>
97%
50647
79%
**27
98%
Norma URP
<<locked>>
93%
56623
89%
**43
100%
Ramshot Big Game
<<locked>>
84%
56797
89%
**17
100%
Ramshot Grand
<<locked>>
97%
53983
85%
**59
96%
Ramshot Hunter 👍
<<locked>>
94%
56855
89%
**50
99%
Ramshot Magnum
<<locked>>
97%
46746
73%
**99
97%
ReloadSwiss RS 14
<<locked>>
96%
34969
55%
**49
100%
ReloadSwiss RS 50
<<locked>>
86%
57363
90%
**91
99%
ReloadSwiss RS 60
<<locked>>
88%
56753
89%
**86
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57305
90%
**63
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57377
90%
**15
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38058
60%
**61
94%
Rottweil R 902
<<locked>>
84%
57276
90%
**45
100%
Rottweil R 903
<<locked>>
88%
56942
89%
**87
100%
Rottweil R 904
<<locked>>
97%
56492
89%
**94
97%
Rottweil R 905
<<locked>>
97%
53026
83%
**91
97%
Rottweil R 907
<<locked>>
91%
57261
90%
**84
99%
SNPE Vectan SP 11
<<locked>>
87%
57348
90%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
56956
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
56855
89%
**31
99%
Shooters World Long Rifle
<<locked>>
92%
56956
89%
**81
100%
Shooters World Precision
<<locked>>
86%
57319
90%
**68
100%
Somchem S355
<<locked>>
88%
57392
90%
**87
100%
Somchem S361
<<locked>>
96%
56913
89%
**68
96%
Somchem S365
<<locked>>
96%
56681
89%
**46
100%
Somchem S385
<<locked>>
97%
53679
84%
**64
98%
Vihtavuori N133
<<locked>>
84%
56869
89%
**49
100%
Vihtavuori N135
<<locked>>
89%
56782
89%
**95
100%
Vihtavuori N140
<<locked>>
84%
57145
90%
**12
100%
Vihtavuori N150
<<locked>>
93%
56811
89%
**38
100%
Vihtavuori N160
<<locked>>
91%
56898
89%
**97
100%
Vihtavuori N165
<<locked>>
97%
45020
71%
**90
96%
Vihtavuori N540
<<locked>>
84%
57130
90%
**45
100%
Vihtavuori N550 👍
<<locked>>
91%
56985
89%
**46
100%
Vihtavuori N555
<<locked>>
97%
50256
79%
**64
100%
[Vihtavuori N560]*
<<locked>>
97%
48312
76%
**61
94%
Winchester 6.5 StaBALL
<<locked>>
92%
57377
90%
**74
100%
Winchester 760
<<locked>>
89%
56855
89%
**59
99%
Winchester StaBALL HD
<<locked>>
97%
39595
62%
**12
100%
Winchester Supreme 780
<<locked>>
97%
56159
88%
**00
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46992
74%
**07
100%
[ADI AR 2209]*
<<locked>>
83%
34374
54%
**77
90%
[ADI AR 2213]*
<<locked>>
90%
38348
60%
**99
90%
Accurate 2700
<<locked>>
81%
45281
71%
**25
96%
[Accurate 3100]*
<<locked>>
81%
27238
43%
**57
90%
Accurate 4064
<<locked>>
81%
49168
77%
**27
100%
Accurate 4350
<<locked>>
81%
37420
59%
**59
97%
[Accurate MAGPRO]*
<<locked>>
94%
42714
67%
**30
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
52533
82%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47398
74%
**33
100%
Alliant Reloder-15
<<locked>>
81%
50836
80%
**02
100%
Alliant Reloder-16
<<locked>>
81%
36912
58%
**79
97%
Alliant Reloder-17
<<locked>>
81%
42061
66%
**17
100%
[Alliant Reloder-19]*
<<locked>>
83%
33547
53%
**54
90%
[Alliant Reloder-22]*
<<locked>>
87%
33736
53%
**00
90%
[Alliant Reloder-23]*
<<locked>>
81%
26600
42%
**90
94%
[Alliant Reloder-25]*
<<locked>>
87%
28224
44%
**36
90%
[Alliant Reloder-26]*
<<locked>>
81%
28311
44%
**98
92%
[Bofors RP15]*
<<locked>>
89%
34113
53%
**13
90%
Bofors RP3
<<locked>>
81%
47805
75%
**43
100%
[Bofors RP5]*
<<locked>>
87%
33736
53%
**00
90%
Bofors RP7
<<locked>>
81%
41829
66%
**95
95%
Hodgdon CFE223
<<locked>>
81%
50415
79%
**31
100%
Hodgdon H380
<<locked>>
81%
48080
75%
**49
99%
Hodgdon H414
<<locked>>
81%
43511
68%
**07
96%
[Hodgdon H4350]*
<<locked>>
81%
35708
56%
**67
93%
[Hodgdon H4831]*
<<locked>>
93%
39436
62%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
39175
61%
**79
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34156
54%
**67
98%
Hodgdon LVR
<<locked>>
81%
40509
63%
**31
98%
[Hodgdon Superperformance]*
<<locked>>
81%
38754
61%
**18
94%
Hodgdon VARGET
<<locked>>
81%
46688
73%
**94
100%
Hodgdon TrailBoss
<<locked>>
81%
27528
43%
**52
100%
IMR 3031
<<locked>>
81%
52054
82%
**82
100%
IMR 4064
<<locked>>
81%
46050
72%
**84
100%
IMR 4166 Enduron
<<locked>>
81%
45382
71%
**44
97%
[IMR 4350]*
<<locked>>
81%
37623
59%
**10
94%
IMR 4451 Enduron
<<locked>>
81%
43526
68%
**35
96%
IMR 4831
<<locked>>
81%
32532
51%
**21
96%
IMR 4895
<<locked>>
81%
52112
82%
**38
100%
[IMR 4955 Enduron]*
<<locked>>
88%
38305
60%
**23
90%
[IMR 7828 SSC]*
<<locked>>
89%
38435
60%
**15
90%
Lovex S062
<<locked>>
81%
49356
77%
**30
100%
Lovex S065
<<locked>>
81%
40698
64%
**69
97%
Lovex S070
<<locked>>
81%
38740
61%
**46
95%
[Lovex S071]*
<<locked>>
86%
27079
42%
**51
90%
Norma 203B
<<locked>>
81%
50096
78%
**86
100%
[Norma 204]*
<<locked>>
81%
36999
58%
**36
92%
[Norma MRP]*
<<locked>>
83%
30763
48%
**41
90%
Norma URP
<<locked>>
81%
37449
59%
**66
97%
Ramshot Big Game
<<locked>>
81%
50720
79%
**15
100%
[Ramshot Grand]*
<<locked>>
87%
37449
59%
**02
90%
Ramshot Hunter
<<locked>>
81%
36434
57%
**40
95%
[Ramshot Magnum]*
<<locked>>
88%
32779
51%
**54
90%
ReloadSwiss RS 14
<<locked>>
81%
27760
44%
**85
100%
ReloadSwiss RS 50
<<locked>>
81%
48225
76%
**27
98%
ReloadSwiss RS 60
<<locked>>
81%
44831
70%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
37275
58%
**76
97%
ReloadSwiss RS 70
<<locked>>
81%
36550
57%
**95
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
32706
51%
**07
90%
Rottweil R 902
<<locked>>
81%
51082
80%
**49
100%
Rottweil R 903
<<locked>>
81%
44541
70%
**77
100%
[Rottweil R 904]*
<<locked>>
84%
36637
57%
**90
90%
[Rottweil R 905]*
<<locked>>
83%
33301
52%
**57
90%
Rottweil R 907
<<locked>>
81%
41829
66%
**95
95%
SNPE Vectan SP 11
<<locked>>
81%
46340
73%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46441
73%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39885
63%
**17
95%
Shooters World Long Rifle
<<locked>>
81%
40698
64%
**69
97%
Shooters World Precision
<<locked>>
81%
49356
77%
**30
100%
Somchem S355
<<locked>>
81%
45252
71%
**81
100%
[Somchem S361]*
<<locked>>
85%
38928
61%
**17
90%
Somchem S365
<<locked>>
81%
33779
53%
**10
99%
[Somchem S385]*
<<locked>>
81%
31285
49%
**72
90%
Vihtavuori N133
<<locked>>
81%
52069
82%
**81
100%
Vihtavuori N135
<<locked>>
81%
43845
69%
**89
100%
Vihtavuori N140
<<locked>>
81%
51169
80%
**20
100%
Vihtavuori N150
<<locked>>
81%
38508
60%
**13
100%
Vihtavuori N160
<<locked>>
81%
40785
64%
**05
98%
[Vihtavuori N165]*
<<locked>>
87%
32126
50%
**89
90%
Vihtavuori N540
<<locked>>
81%
51111
80%
**46
100%
Vihtavuori N550
<<locked>>
81%
41075
64%
**41
98%
[Vihtavuori N555]*
<<locked>>
81%
28950
45%
**69
94%
[Vihtavuori N560]*
<<locked>>
91%
39305
62%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38464
60%
**46
99%
Winchester 760
<<locked>>
81%
43511
68%
**07
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23206
36%
**21
91%
[Winchester Supreme 780]*
<<locked>>
83%
33707
53%
**35
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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