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Load data for .300 Weath. Mag. + .308 | 150gr | Impala LWH CHP

Recommended Powder(s):

.300 Weath. Mag. + .308 | 150gr | Impala LWH CHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Impala LWH CHP
Bullet Weight:
150gr | 9.7g
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_B2987_C379
Last updated:
2026-05-10

Load data for 150 loads in caliber .300 Weath. Mag. with .308 | 150gr | Impala LWH CHP bullet and 75 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".

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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>>
85%
57363
90%
**07
100%
ADI AR 2209
<<locked>>
96%
56565
89%
**82
97%
ADI AR 2213
<<locked>>
97%
52997
83%
**33
95%
Accurate 2700
<<locked>>
86%
57377
90%
**54
98%
Accurate 3100
<<locked>>
97%
53026
83%
**71
99%
Accurate 4350
<<locked>>
90%
56971
89%
**63
100%
[Accurate MAGPRO]*
<<locked>>
97%
51198
80%
**27
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
57043
89%
**17
100%
Alliant Reloder-16 👍
<<locked>>
92%
57246
90%
**19
100%
Alliant Reloder-17
<<locked>>
87%
56782
89%
**12
100%
Alliant Reloder-19
<<locked>>
96%
57217
90%
**89
98%
Alliant Reloder-22
<<locked>>
97%
52620
82%
**46
97%
Alliant Reloder-23
<<locked>>
97%
49545
78%
**84
100%
Alliant Reloder-25
<<locked>>
97%
43642
68%
**89
98%
Alliant Reloder-26 👍
<<locked>>
97%
56840
89%
**94
100%
Bofors RP15
<<locked>>
97%
47892
75%
**61
96%
Bofors RP3
<<locked>>
84%
56971
89%
**10
100%
Bofors RP5
<<locked>>
97%
52620
82%
**46
97%
Bofors RP7
<<locked>>
88%
57145
90%
**07
98%
Hodgdon H380
<<locked>>
84%
56913
89%
**20
100%
Hodgdon H414
<<locked>>
87%
57246
90%
**79
99%
Hodgdon H4350
<<locked>>
91%
57188
90%
**46
98%
[Hodgdon H4831]*
<<locked>>
97%
49153
77%
**12
93%
Hodgdon H4831 SC
<<locked>>
97%
55811
87%
**27
95%
Hodgdon Hybrid 100V
<<locked>>
94%
56985
89%
**23
100%
Hodgdon LVR
<<locked>>
89%
57087
89%
**59
100%
[Hodgdon Retumbo]*
<<locked>>
97%
42569
67%
**05
94%
Hodgdon Superperformance
<<locked>>
89%
56855
89%
**05
99%
Hodgdon VARGET
<<locked>>
83%
56623
89%
**97
100%
Hodgdon TrailBoss
<<locked>>
97%
35331
55%
**42
100%
IMR 4064
<<locked>>
86%
57319
90%
**97
100%
IMR 4166 Enduron
<<locked>>
86%
57029
89%
**91
99%
IMR 4350
<<locked>>
92%
57174
90%
**30
98%
IMR 4451 Enduron
<<locked>>
88%
57421
90%
**20
99%
IMR 4831
<<locked>>
95%
57174
90%
**43
100%
IMR 4955 Enduron
<<locked>>
97%
54592
86%
**81
95%
IMR 7828 SSC
<<locked>>
97%
54186
85%
**76
96%
Lovex S065
<<locked>>
89%
57363
90%
**07
100%
Lovex S070
<<locked>>
90%
56753
89%
**17
99%
Lovex S071
<<locked>>
97%
44947
70%
**20
97%
Norma 204
<<locked>>
91%
57029
89%
**56
97%
Norma MRP
<<locked>>
97%
55347
87%
**25
99%
Norma URP
<<locked>>
91%
57406
90%
**73
100%
Ramshot Grand
<<locked>>
96%
57087
89%
**32
97%
Ramshot Hunter 👍
<<locked>>
92%
56811
89%
**82
99%
Ramshot Magnum
<<locked>>
97%
50995
80%
**00
97%
ReloadSwiss RS 14
<<locked>>
96%
35969
56%
**91
100%
ReloadSwiss RS 50
<<locked>>
84%
57188
90%
**17
99%
ReloadSwiss RS 60
<<locked>>
86%
57087
89%
**25
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
57188
90%
**89
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56927
89%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
42395
66%
**99
95%
Rottweil R 903
<<locked>>
86%
57087
89%
**10
100%
Rottweil R 904
<<locked>>
95%
57058
89%
**27
96%
Rottweil R 905
<<locked>>
97%
56797
89%
**73
98%
Rottweil R 907
<<locked>>
88%
57145
90%
**07
98%
SNPE Vectan SP 11
<<locked>>
85%
56956
89%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57377
90%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57305
90%
**54
99%
Shooters World Long Rifle
<<locked>>
89%
57363
90%
**07
100%
Somchem S355
<<locked>>
86%
57334
90%
**07
100%
Somchem S361
<<locked>>
94%
56753
89%
**81
95%
Somchem S365
<<locked>>
93%
57305
90%
**82
100%
Somchem S385
<<locked>>
96%
57392
90%
**46
98%
Vihtavuori N150
<<locked>>
87%
57159
90%
**61
100%
Vihtavuori N160
<<locked>>
90%
57029
89%
**23
100%
Vihtavuori N165
<<locked>>
97%
50473
79%
**15
97%
Vihtavuori N550
<<locked>>
91%
57319
90%
**50
100%
Vihtavuori N555
<<locked>>
97%
55419
87%
**76
100%
Vihtavuori N560
<<locked>>
97%
55303
87%
**19
96%
[Vihtavuori N565]*
<<locked>>
97%
45005
71%
**95
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57101
89%
**97
100%
Winchester 760
<<locked>>
87%
57246
90%
**79
99%
Winchester StaBALL HD
<<locked>>
97%
44092
69%
**36
100%
Winchester Supreme 780
<<locked>>
95%
57188
90%
**33
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50343
79%
**82
100%
[ADI AR 2209]*
<<locked>>
81%
35650
56%
**23
90%
[ADI AR 2213]*
<<locked>>
88%
39987
63%
**48
90%
Accurate 2700
<<locked>>
81%
49095
77%
**13
97%
[Accurate 3100]*
<<locked>>
81%
32213
50%
**15
93%
Accurate 4350
<<locked>>
81%
42438
67%
**87
98%
[Accurate MAGPRO]*
<<locked>>
92%
44251
69%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51372
80%
**15
100%
Alliant Reloder-16
<<locked>>
81%
40263
63%
**87
98%
Alliant Reloder-17
<<locked>>
81%
46079
72%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
35491
56%
**17
91%
[Alliant Reloder-22]*
<<locked>>
84%
34403
54%
**33
90%
Alliant Reloder-23
<<locked>>
81%
30661
48%
**31
96%
[Alliant Reloder-25]*
<<locked>>
82%
28514
45%
**56
90%
Alliant Reloder-26
<<locked>>
81%
32866
51%
**59
95%
[Bofors RP15]*
<<locked>>
86%
34882
55%
**46
90%
Bofors RP3
<<locked>>
81%
52489
82%
**38
100%
[Bofors RP5]*
<<locked>>
84%
34403
54%
**33
90%
Bofors RP7
<<locked>>
81%
46122
72%
**04
96%
Hodgdon H380
<<locked>>
81%
52620
82%
**51
99%
Hodgdon H414
<<locked>>
81%
47456
74%
**99
97%
[Hodgdon H4350]*
<<locked>>
81%
42815
67%
**64
94%
[Hodgdon H4831]*
<<locked>>
91%
40683
64%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
40785
64%
**25
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38145
60%
**82
99%
Hodgdon LVR
<<locked>>
81%
44440
70%
**33
98%
[Hodgdon Retumbo]*
<<locked>>
91%
35795
56%
**18
90%
Hodgdon Superperformance
<<locked>>
81%
42728
67%
**33
95%
Hodgdon VARGET
<<locked>>
81%
52837
83%
**28
100%
Hodgdon TrailBoss
<<locked>>
81%
28137
44%
**81
100%
IMR 4064
<<locked>>
81%
49893
78%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
48501
76%
**33
97%
IMR 4350
<<locked>>
81%
41176
65%
**15
95%
IMR 4451 Enduron
<<locked>>
81%
46847
73%
**23
97%
IMR 4831
<<locked>>
81%
36985
58%
**49
97%
[IMR 4955 Enduron]*
<<locked>>
86%
39508
62%
**66
90%
[IMR 7828 SSC]*
<<locked>>
87%
39363
62%
**51
90%
Lovex S065
<<locked>>
81%
44817
70%
**81
98%
Lovex S070
<<locked>>
81%
43105
68%
**58
96%
[Lovex S071]*
<<locked>>
81%
28123
44%
**87
90%
[Norma 204]*
<<locked>>
81%
40770
64%
**35
93%
[Norma MRP]*
<<locked>>
81%
32938
52%
**13
91%
Norma URP
<<locked>>
81%
41684
65%
**77
98%
[Ramshot Grand]*
<<locked>>
86%
39131
61%
**48
90%
Ramshot Hunter
<<locked>>
81%
40553
64%
**64
96%
[Ramshot Magnum]*
<<locked>>
85%
33881
53%
**94
90%
ReloadSwiss RS 14
<<locked>>
81%
28790
45%
**24
100%
ReloadSwiss RS 50
<<locked>>
81%
52286
82%
**28
99%
ReloadSwiss RS 60
<<locked>>
81%
48878
77%
**91
100%
ReloadSwiss RS 62
<<locked>>
81%
42148
66%
**07
98%
ReloadSwiss RS 70
<<locked>>
81%
40451
63%
**04
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
34156
54%
**62
91%
Rottweil R 903
<<locked>>
81%
49574
78%
**86
100%
[Rottweil R 904]*
<<locked>>
82%
38029
60%
**36
90%
[Rottweil R 905]*
<<locked>>
81%
34867
55%
**07
91%
Rottweil R 907
<<locked>>
81%
46122
72%
**04
96%
SNPE Vectan SP 11
<<locked>>
81%
50357
79%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49879
78%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44005
69%
**15
96%
Shooters World Long Rifle
<<locked>>
81%
44817
70%
**81
98%
Somchem S355
<<locked>>
81%
49545
78%
**82
100%
[Somchem S361]*
<<locked>>
83%
40248
63%
**56
90%
Somchem S365
<<locked>>
81%
38218
60%
**31
100%
[Somchem S385]*
<<locked>>
81%
35766
56%
**07
92%
Vihtavuori N150
<<locked>>
81%
47326
74%
**04
100%
Vihtavuori N160
<<locked>>
81%
42873
67%
**71
98%
[Vihtavuori N165]*
<<locked>>
83%
32721
51%
**15
90%
Vihtavuori N550
<<locked>>
81%
42699
67%
**74
98%
Vihtavuori N555
<<locked>>
81%
34200
54%
**30
97%
[Vihtavuori N560]*
<<locked>>
87%
39958
63%
**84
90%
[Vihtavuori N565]*
<<locked>>
92%
38566
60%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42018
66%
**35
100%
Winchester 760
<<locked>>
81%
47456
74%
**99
97%
Winchester StaBALL HD
<<locked>>
81%
27659
43%
**08
95%
[Winchester Supreme 780]*
<<locked>>
81%
35201
55%
**77
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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