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

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365

.300 Win. 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:
1.211" | 30.8mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.541" | 13.7mm
Shank Seated Depth:
0.541" | 13.7mm
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_B2987_C380
Last updated:
2025-12-18

Load data for 176 loads in caliber .300 Win. Mag. with .308 | 150gr | Impala LWH CHP bullet and 88 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365. 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>>
83%
56101
90%
**61
100%
ADI AR 2208
<<locked>>
88%
56072
90%
**48
100%
ADI AR 2209
<<locked>>
97%
50647
81%
**22
95%
Accurate 2700
<<locked>>
89%
55317
89%
**69
97%
Accurate 3100
<<locked>>
97%
44425
71%
**77
97%
Accurate 4064
<<locked>>
86%
56014
90%
**25
100%
Accurate 4350 👍
<<locked>>
94%
55622
89%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55811
89%
**51
100%
Alliant Reloder-15
<<locked>>
86%
55593
89%
**64
100%
Alliant Reloder-16 👍
<<locked>>
96%
56072
90%
**53
100%
Alliant Reloder-17
<<locked>>
92%
55999
90%
**76
100%
Alliant Reloder-19
<<locked>>
97%
49966
80%
**15
95%
[Alliant Reloder-22]*
<<locked>>
97%
43947
70%
**33
93%
Alliant Reloder-23
<<locked>>
97%
41785
67%
**00
99%
[Alliant Reloder-25]*
<<locked>>
97%
36999
59%
**82
94%
Alliant Reloder-26
<<locked>>
97%
47021
75%
**71
99%
[Bofors RP15]*
<<locked>>
97%
41002
66%
**67
92%
Bofors RP3
<<locked>>
87%
55927
90%
**64
100%
[Bofors RP5]*
<<locked>>
97%
43947
70%
**33
93%
Bofors RP7
<<locked>>
92%
55898
90%
**41
97%
Hodgdon CFE223
<<locked>>
86%
55985
90%
**07
100%
Hodgdon H380
<<locked>>
87%
56057
90%
**68
99%
Hodgdon H414
<<locked>>
90%
55564
89%
**10
98%
Hodgdon H4350
<<locked>>
97%
54810
88%
**35
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
47776
77%
**33
92%
Hodgdon Hybrid 100V
<<locked>>
97%
53824
86%
**45
100%
Hodgdon LVR
<<locked>>
93%
56057
90%
**04
99%
Hodgdon Superperformance
<<locked>>
93%
55738
89%
**46
98%
Hodgdon VARGET
<<locked>>
88%
55521
89%
**31
100%
Hodgdon TrailBoss
<<locked>>
96%
34664
56%
**77
100%
IMR 3031
<<locked>>
85%
55956
90%
**38
100%
IMR 4064
<<locked>>
89%
55999
90%
**31
100%
IMR 4166 Enduron
<<locked>>
89%
55709
89%
**12
98%
IMR 4350
<<locked>>
95%
55840
90%
**48
97%
IMR 4451 Enduron
<<locked>>
91%
56086
90%
**41
98%
IMR 4831
<<locked>>
97%
51372
82%
**18
99%
IMR 4895
<<locked>>
85%
55521
89%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47355
76%
**90
92%
[IMR 7828 SSC]*
<<locked>>
97%
46485
75%
**72
92%
Lovex S060
<<locked>>
84%
55912
90%
**99
100%
Lovex S062
<<locked>>
86%
55448
89%
**22
100%
Lovex S065
<<locked>>
93%
55825
90%
**41
99%
Lovex S070
<<locked>>
94%
55332
89%
**54
98%
[Lovex S071]*
<<locked>>
97%
37434
60%
**20
94%
Norma 201
<<locked>>
84%
56115
90%
**18
100%
Norma 202
<<locked>>
83%
55622
89%
**02
100%
Norma 203B
<<locked>>
86%
55506
89%
**64
100%
Norma 204
<<locked>>
95%
55738
89%
**94
96%
Norma MRP
<<locked>>
97%
46659
75%
**28
96%
Norma URP 👍
<<locked>>
95%
56057
90%
**10
100%
Ramshot Big Game
<<locked>>
86%
55767
89%
**81
100%
[Ramshot Grand]*
<<locked>>
97%
49095
79%
**25
93%
Ramshot Hunter
<<locked>>
96%
55985
90%
**23
99%
[Ramshot Magnum]*
<<locked>>
97%
43018
69%
**81
93%
ReloadSwiss RS 14
<<locked>>
96%
34940
56%
**16
100%
ReloadSwiss RS 50
<<locked>>
87%
55999
90%
**41
98%
ReloadSwiss RS 52
<<locked>>
83%
55956
90%
**36
100%
ReloadSwiss RS 60
<<locked>>
89%
55767
89%
**73
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55724
89%
**33
100%
ReloadSwiss RS 70
<<locked>>
95%
56043
90%
**86
100%
Rottweil R 902
<<locked>>
85%
55709
89%
**09
100%
Rottweil R 903
<<locked>>
90%
56086
90%
**61
100%
[Rottweil R 904]*
<<locked>>
97%
52750
85%
**99
94%
Rottweil R 905
<<locked>>
97%
49284
79%
**02
95%
Rottweil R 907
<<locked>>
92%
55898
90%
**41
97%
SNPE Vectan SP 11
<<locked>>
89%
56072
90%
**97
100%
SNPE Vectan SP 9
<<locked>>
84%
56057
90%
**45
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
55912
90%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
56043
90%
**92
98%
Shooters World Long Rifle
<<locked>>
93%
55825
90%
**41
99%
Shooters World Precision
<<locked>>
86%
55448
89%
**22
100%
Somchem S335
<<locked>>
83%
55970
90%
**43
100%
Somchem S355
<<locked>>
89%
55477
89%
**45
100%
[Somchem S361]*
<<locked>>
97%
54534
87%
**99
94%
Somchem S365 👍
<<locked>>
97%
53809
86%
**07
100%
Somchem S385
<<locked>>
97%
49951
80%
**79
96%
Vihtavuori N133
<<locked>>
85%
55956
90%
**23
100%
Vihtavuori N135
<<locked>>
90%
55622
89%
**69
100%
Vihtavuori N140
<<locked>>
85%
55680
89%
**76
100%
Vihtavuori N150
<<locked>>
95%
55796
89%
**12
100%
Vihtavuori N160
<<locked>>
92%
55448
89%
**58
100%
[Vihtavuori N165]*
<<locked>>
97%
41858
67%
**99
93%
Vihtavuori N540
<<locked>>
85%
55405
89%
**02
100%
Vihtavuori N550
<<locked>>
92%
55245
89%
**97
99%
Vihtavuori N555
<<locked>>
97%
46601
75%
**86
99%
Winchester 6.5 StaBALL
<<locked>>
94%
55825
90%
**45
100%
Winchester 760
<<locked>>
90%
55564
89%
**10
98%
Winchester StaBALL HD
<<locked>>
97%
33707
54%
**07
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52707
85%
**99
100%
ADI AR 2208
<<locked>>
81%
44788
72%
**38
99%
[ADI AR 2209]*
<<locked>>
87%
37942
61%
**43
90%
[Accurate 2700]*
<<locked>>
81%
43439
70%
**46
94%
[Accurate 3100]*
<<locked>>
84%
29704
48%
**16
90%
Accurate 4064
<<locked>>
81%
47921
77%
**94
100%
Accurate 4350
<<locked>>
81%
35926
58%
**10
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45034
72%
**67
100%
Alliant Reloder-15
<<locked>>
81%
47993
77%
**36
99%
Alliant Reloder-16
<<locked>>
81%
34998
56%
**13
95%
Alliant Reloder-17
<<locked>>
81%
39523
63%
**51
99%
[Alliant Reloder-19]*
<<locked>>
87%
36912
59%
**23
90%
[Alliant Reloder-22]*
<<locked>>
91%
37173
60%
**72
90%
[Alliant Reloder-23]*
<<locked>>
81%
26121
42%
**48
92%
[Alliant Reloder-25]*
<<locked>>
90%
30748
49%
**89
90%
[Alliant Reloder-26]*
<<locked>>
82%
28921
46%
**82
90%
[Bofors RP15]*
<<locked>>
94%
37507
60%
**79
90%
Bofors RP3
<<locked>>
81%
45571
73%
**87
100%
[Bofors RP5]*
<<locked>>
91%
37173
60%
**72
90%
[Bofors RP7]*
<<locked>>
81%
40306
65%
**26
93%
Hodgdon CFE223
<<locked>>
81%
47021
75%
**46
99%
Hodgdon H380
<<locked>>
81%
46137
74%
**94
98%
[Hodgdon H414]*
<<locked>>
81%
40814
65%
**28
94%
[Hodgdon H4350]*
<<locked>>
81%
34272
55%
**98
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
43816
70%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32880
53%
**15
97%
Hodgdon LVR
<<locked>>
81%
38276
61%
**56
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36970
59%
**43
92%
Hodgdon VARGET
<<locked>>
81%
44469
71%
**35
99%
Hodgdon TrailBoss
<<locked>>
81%
27760
45%
**26
100%
IMR 3031
<<locked>>
81%
49400
79%
**33
100%
IMR 4064
<<locked>>
81%
43903
70%
**15
99%
IMR 4166 Enduron
<<locked>>
81%
43439
70%
**76
95%
[IMR 4350]*
<<locked>>
81%
35911
58%
**44
91%
[IMR 4451 Enduron]*
<<locked>>
81%
41727
67%
**62
94%
[IMR 4831]*
<<locked>>
81%
31430
50%
**75
94%
IMR 4895
<<locked>>
81%
49313
79%
**66
100%
[IMR 4955 Enduron]*
<<locked>>
93%
42815
69%
**92
90%
[IMR 7828 SSC]*
<<locked>>
94%
42975
69%
**90
90%
Lovex S060
<<locked>>
81%
51851
83%
**30
100%
Lovex S062
<<locked>>
81%
47384
76%
**77
100%
Lovex S065
<<locked>>
81%
39421
63%
**20
95%
[Lovex S070]*
<<locked>>
81%
37463
60%
**90
93%
[Lovex S071]*
<<locked>>
89%
29704
48%
**16
90%
Norma 201
<<locked>>
81%
51938
83%
**46
100%
Norma 202
<<locked>>
81%
52127
84%
**53
100%
Norma 203B
<<locked>>
81%
47543
76%
**27
99%
[Norma 204]*
<<locked>>
83%
37710
60%
**26
90%
[Norma MRP]*
<<locked>>
87%
33982
54%
**13
90%
Norma URP
<<locked>>
81%
35650
57%
**07
95%
Ramshot Big Game
<<locked>>
81%
47442
76%
**36
99%
[Ramshot Grand]*
<<locked>>
93%
42888
69%
**90
90%
[Ramshot Hunter]*
<<locked>>
81%
34867
56%
**87
93%
[Ramshot Magnum]*
<<locked>>
92%
36622
59%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
28137
45%
**62
100%
ReloadSwiss RS 50
<<locked>>
81%
46050
74%
**58
96%
ReloadSwiss RS 52
<<locked>>
81%
51663
83%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
41814
67%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
35563
57%
**20
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34969
56%
**13
94%
Rottweil R 902
<<locked>>
81%
49545
79%
**00
100%
Rottweil R 903
<<locked>>
81%
42815
69%
**18
99%
[Rottweil R 904]*
<<locked>>
88%
40350
65%
**56
90%
[Rottweil R 905]*
<<locked>>
88%
36579
59%
**17
90%
[Rottweil R 907]*
<<locked>>
81%
40306
65%
**26
93%
SNPE Vectan SP 11
<<locked>>
81%
43584
70%
**71
99%
SNPE Vectan SP 9
<<locked>>
81%
51285
82%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44498
71%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38406
62%
**51
93%
Shooters World Long Rifle
<<locked>>
81%
39421
63%
**20
95%
Shooters World Precision
<<locked>>
81%
47384
76%
**77
100%
Somchem S335
<<locked>>
81%
52344
84%
**84
100%
Somchem S355
<<locked>>
81%
43439
70%
**22
99%
[Somchem S361]*
<<locked>>
90%
43308
69%
**79
90%
Somchem S365
<<locked>>
81%
32140
52%
**61
98%
[Somchem S385]*
<<locked>>
84%
33750
54%
**21
90%
Vihtavuori N133
<<locked>>
81%
49632
80%
**25
100%
Vihtavuori N135
<<locked>>
81%
42119
68%
**49
100%
Vihtavuori N140
<<locked>>
81%
48863
78%
**71
100%
Vihtavuori N150
<<locked>>
81%
37289
60%
**67
99%
Vihtavuori N160
<<locked>>
81%
38479
62%
**40
96%
[Vihtavuori N165]*
<<locked>>
91%
35186
56%
**48
90%
Vihtavuori N540
<<locked>>
81%
48863
78%
**97
100%
Vihtavuori N550
<<locked>>
81%
39465
63%
**92
97%
[Vihtavuori N555]*
<<locked>>
81%
28384
46%
**36
93%
Winchester 6.5 StaBALL
<<locked>>
81%
36463
58%
**77
98%
[Winchester 760]*
<<locked>>
81%
40814
65%
**28
94%
[Winchester StaBALL HD]*
<<locked>>
83%
25222
40%
**64
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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