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Load data for .300 Weath. Mag. + .308 | 159gr | Hasler Bull

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Weath. Mag. + .308 | 159gr | Hasler Bull

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 159gr | Hasler Bull
Manufacturer SKU:
B30-159
Bullet Weight:
159gr | 10.3g
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_B12168_C379
Last updated:
2026-01-21
Recommended Twist Rate:
1:12 - 1:10

Load data for 164 loads in caliber .300 Weath. Mag. with .308 | 159gr | Hasler Bull bullet and 82 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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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  • 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>>
86%
57246
90%
**38
100%
ADI AR 2209
<<locked>>
97%
57246
90%
**30
98%
ADI AR 2213
<<locked>>
97%
51474
81%
**58
96%
Accurate 2700
<<locked>>
86%
57000
89%
**89
99%
Accurate 3100
<<locked>>
97%
51039
80%
**79
99%
Accurate 4064
<<locked>>
84%
57276
90%
**05
100%
Accurate 4350
<<locked>>
91%
57392
90%
**07
100%
[Accurate MAGPRO]*
<<locked>>
97%
50531
79%
**61
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
57101
89%
**51
100%
Alliant Reloder-15
<<locked>>
83%
57377
90%
**74
100%
Alliant Reloder-16 👍
<<locked>>
93%
56985
89%
**46
100%
Alliant Reloder-17
<<locked>>
88%
56956
89%
**50
100%
Alliant Reloder-19
<<locked>>
97%
57043
89%
**23
98%
Alliant Reloder-22
<<locked>>
97%
50807
80%
**54
97%
Alliant Reloder-23
<<locked>>
97%
48312
76%
**02
100%
Alliant Reloder-25
<<locked>>
97%
42047
66%
**13
98%
Alliant Reloder-26
<<locked>>
97%
55158
86%
**96
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51242
80%
**56
92%
Bofors RP15
<<locked>>
97%
46934
74%
**82
96%
Bofors RP3
<<locked>>
85%
57319
90%
**51
100%
Bofors RP5
<<locked>>
97%
50807
80%
**54
97%
Bofors RP7
<<locked>>
89%
57145
90%
**51
99%
Hodgdon CFE223
<<locked>>
83%
57101
89%
**04
100%
Hodgdon H380
<<locked>>
85%
57363
90%
**68
100%
Hodgdon H414
<<locked>>
87%
56884
89%
**17
99%
Hodgdon H4350
<<locked>>
94%
57087
89%
**64
99%
[Hodgdon H4831]*
<<locked>>
97%
47921
75%
**30
94%
Hodgdon H4831 SC
<<locked>>
97%
54041
85%
**45
96%
Hodgdon Hybrid 100V
<<locked>>
95%
57377
90%
**61
100%
Hodgdon LVR
<<locked>>
90%
57348
90%
**10
100%
Hodgdon Superperformance 👍
<<locked>>
90%
57058
89%
**53
99%
Hodgdon VARGET
<<locked>>
86%
57246
90%
**38
100%
Hodgdon TrailBoss
<<locked>>
97%
35114
55%
**93
100%
IMR 4064
<<locked>>
87%
57232
90%
**35
100%
IMR 4166 Enduron
<<locked>>
87%
56724
89%
**22
99%
IMR 4350
<<locked>>
92%
57116
89%
**64
99%
IMR 4451 Enduron
<<locked>>
88%
57435
90%
**58
99%
IMR 4831
<<locked>>
96%
57290
90%
**91
100%
IMR 4955 Enduron
<<locked>>
97%
53345
84%
**02
96%
IMR 7828 SSC
<<locked>>
97%
53258
83%
**97
96%
Lovex S062
<<locked>>
84%
57334
90%
**18
100%
Lovex S065
<<locked>>
90%
56884
89%
**35
100%
Lovex S070
<<locked>>
91%
56956
89%
**64
99%
Lovex S071
<<locked>>
97%
42366
66%
**12
97%
Norma 203B
<<locked>>
84%
57392
90%
**71
100%
Norma 204
<<locked>>
92%
57145
90%
**04
98%
Norma MRP
<<locked>>
97%
54244
85%
**50
99%
Norma URP
<<locked>>
92%
57406
90%
**10
100%
Ramshot Big Game
<<locked>>
83%
57392
90%
**84
100%
Ramshot Grand
<<locked>>
97%
57058
89%
**73
97%
Ramshot Hunter 👍
<<locked>>
92%
56971
89%
**23
100%
Ramshot Magnum
<<locked>>
97%
49719
78%
**18
98%
ReloadSwiss RS 14
<<locked>>
96%
35433
56%
**29
100%
ReloadSwiss RS 50
<<locked>>
85%
57058
89%
**45
99%
ReloadSwiss RS 60
<<locked>>
86%
56637
89%
**50
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
57377
90%
**23
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57203
90%
**82
100%
ReloadSwiss RS 76
<<locked>>
97%
40669
64%
**04
96%
Rottweil R 903
<<locked>>
87%
57232
90%
**51
100%
Rottweil R 904
<<locked>>
96%
56956
89%
**64
97%
Rottweil R 905
<<locked>>
97%
55956
88%
**07
98%
Rottweil R 907
<<locked>>
89%
57145
90%
**51
99%
SNPE Vectan SP 11
<<locked>>
86%
57159
90%
**81
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57217
90%
**17
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56840
89%
**99
99%
Shooters World Long Rifle
<<locked>>
90%
56884
89%
**35
100%
Shooters World Precision
<<locked>>
84%
57334
90%
**18
100%
Somchem S355
<<locked>>
87%
57421
90%
**51
100%
Somchem S361
<<locked>>
94%
56724
89%
**28
96%
Somchem S365
<<locked>>
94%
56927
89%
**14
100%
Somchem S385
<<locked>>
97%
56753
89%
**84
99%
Vihtavuori N135
<<locked>>
88%
56782
89%
**53
100%
Vihtavuori N150
<<locked>>
92%
57246
90%
**02
100%
Vihtavuori N160
<<locked>>
89%
56855
89%
**54
100%
Vihtavuori N165
<<locked>>
97%
47732
75%
**13
97%
Vihtavuori N550
<<locked>>
89%
57072
89%
**04
100%
Vihtavuori N555
<<locked>>
97%
54041
85%
**81
100%
Vihtavuori N560
<<locked>>
97%
51227
80%
**81
95%
[Vihtavuori N565]*
<<locked>>
97%
43236
68%
**97
93%
Winchester 6.5 StaBALL
<<locked>>
91%
57319
90%
**35
100%
Winchester 760
<<locked>>
87%
56884
89%
**17
99%
Winchester StaBALL HD
<<locked>>
97%
42830
67%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49385
77%
**10
100%
[ADI AR 2209]*
<<locked>>
81%
34200
54%
**35
90%
[ADI AR 2213]*
<<locked>>
87%
37710
59%
**46
90%
Accurate 2700
<<locked>>
81%
47659
75%
**38
97%
[Accurate 3100]*
<<locked>>
81%
29675
47%
**97
92%
Accurate 4064
<<locked>>
81%
52649
83%
**33
100%
Accurate 4350
<<locked>>
81%
40393
63%
**92
98%
[Accurate MAGPRO]*
<<locked>>
92%
42177
66%
**84
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49908
78%
**30
100%
Alliant Reloder-15
<<locked>>
81%
53374
84%
**09
100%
Alliant Reloder-16
<<locked>>
81%
39059
61%
**02
98%
Alliant Reloder-17
<<locked>>
81%
44643
70%
**36
100%
[Alliant Reloder-19]*
<<locked>>
81%
34055
53%
**35
91%
[Alliant Reloder-22]*
<<locked>>
84%
32692
51%
**38
90%
Alliant Reloder-23
<<locked>>
81%
28674
45%
**33
96%
[Alliant Reloder-25]*
<<locked>>
83%
27195
43%
**80
90%
[Alliant Reloder-26]*
<<locked>>
81%
30690
48%
**44
94%
[Baschieri & Pellagri 109]*
<<locked>>
94%
46775
73%
**71
90%
[Bofors RP15]*
<<locked>>
87%
33446
52%
**57
90%
Bofors RP3
<<locked>>
81%
50676
79%
**46
100%
[Bofors RP5]*
<<locked>>
84%
32692
51%
**38
90%
Bofors RP7
<<locked>>
81%
44309
69%
**05
96%
Hodgdon CFE223
<<locked>>
81%
52953
83%
**25
100%
Hodgdon H380
<<locked>>
81%
50691
79%
**53
100%
Hodgdon H414
<<locked>>
81%
46064
72%
**17
97%
[Hodgdon H4350]*
<<locked>>
81%
37826
59%
**80
94%
[Hodgdon H4831]*
<<locked>>
90%
38247
60%
**23
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
38624
61%
**30
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36535
57%
**84
99%
Hodgdon LVR
<<locked>>
81%
43105
68%
**48
98%
Hodgdon Superperformance
<<locked>>
81%
41524
65%
**54
96%
Hodgdon VARGET
<<locked>>
81%
48921
77%
**97
100%
Hodgdon TrailBoss
<<locked>>
81%
27905
44%
**32
100%
IMR 4064
<<locked>>
81%
48399
76%
**81
100%
IMR 4166 Enduron
<<locked>>
81%
47471
74%
**51
98%
IMR 4350
<<locked>>
81%
39740
62%
**30
95%
IMR 4451 Enduron
<<locked>>
81%
45730
72%
**48
97%
IMR 4831
<<locked>>
81%
35099
55%
**54
97%
[IMR 4955 Enduron]*
<<locked>>
86%
37608
59%
**71
90%
[IMR 7828 SSC]*
<<locked>>
87%
37333
58%
**56
90%
Lovex S062
<<locked>>
81%
51909
81%
**36
100%
Lovex S065
<<locked>>
81%
43236
68%
**92
98%
Lovex S070
<<locked>>
81%
41278
65%
**66
96%
[Lovex S071]*
<<locked>>
82%
26484
42%
**98
90%
Norma 203B
<<locked>>
81%
52721
83%
**92
100%
[Norma 204]*
<<locked>>
81%
39204
61%
**49
93%
[Norma MRP]*
<<locked>>
81%
31154
49%
**15
91%
Norma URP
<<locked>>
81%
39842
62%
**82
98%
Ramshot Big Game
<<locked>>
81%
53505
84%
**15
100%
[Ramshot Grand]*
<<locked>>
85%
36985
58%
**49
90%
Ramshot Hunter
<<locked>>
81%
38885
61%
**72
96%
[Ramshot Magnum]*
<<locked>>
85%
31879
50%
**98
90%
ReloadSwiss RS 14
<<locked>>
81%
28224
44%
**68
100%
ReloadSwiss RS 50
<<locked>>
81%
50734
79%
**40
99%
ReloadSwiss RS 60
<<locked>>
81%
47398
74%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
40234
63%
**15
98%
ReloadSwiss RS 70
<<locked>>
81%
38885
61%
**18
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
32372
51%
**67
91%
Rottweil R 903
<<locked>>
81%
47485
74%
**90
100%
[Rottweil R 904]*
<<locked>>
81%
36085
57%
**44
90%
[Rottweil R 905]*
<<locked>>
81%
33025
52%
**12
91%
Rottweil R 907
<<locked>>
81%
44309
69%
**05
96%
SNPE Vectan SP 11
<<locked>>
81%
48805
76%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48675
76%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42250
66%
**26
96%
Shooters World Long Rifle
<<locked>>
81%
43236
68%
**92
98%
Shooters World Precision
<<locked>>
81%
51909
81%
**36
100%
Somchem S355
<<locked>>
81%
47848
75%
**94
100%
[Somchem S361]*
<<locked>>
82%
37956
59%
**54
90%
Somchem S365
<<locked>>
81%
36477
57%
**40
100%
[Somchem S385]*
<<locked>>
81%
33837
53%
**12
92%
Vihtavuori N135
<<locked>>
81%
46456
73%
**95
100%
Vihtavuori N150
<<locked>>
81%
40988
64%
**20
100%
Vihtavuori N160
<<locked>>
81%
43207
68%
**22
99%
[Vihtavuori N165]*
<<locked>>
84%
31038
49%
**23
90%
Vihtavuori N550
<<locked>>
81%
43584
68%
**64
99%
Vihtavuori N555
<<locked>>
81%
31865
50%
**12
96%
[Vihtavuori N560]*
<<locked>>
88%
38508
60%
**92
90%
[Vihtavuori N565]*
<<locked>>
92%
36666
57%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40698
64%
**53
100%
Winchester 760
<<locked>>
81%
46064
72%
**17
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25367
40%
**93
94%

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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