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Load data for .300 Win. Mag. + .308 | 150gr | Impala LW CFN

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Win. Mag. + .308 | 150gr | Impala LW CFN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Impala LW CFN
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.196" | 30.4mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.526" | 13.4mm
Shank Seated Depth:
0.526" | 13.4mm
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_B2986_C380
Last updated:
2025-12-24

Load data for 172 loads in caliber .300 Win. Mag. with .308 | 150gr | Impala LW CFN bullet and 86 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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>>
88%
55622
89%
**35
100%
ADI AR 2209
<<locked>>
97%
51053
82%
**25
95%
Accurate 2700
<<locked>>
89%
56115
90%
**82
97%
Accurate 3100
<<locked>>
97%
44657
72%
**77
97%
Accurate 4064
<<locked>>
86%
55927
90%
**22
100%
Accurate 4350
<<locked>>
94%
55230
89%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55390
89%
**48
100%
Alliant Reloder-15
<<locked>>
86%
56101
90%
**77
100%
Alliant Reloder-16 👍
<<locked>>
96%
55564
89%
**50
100%
Alliant Reloder-17
<<locked>>
91%
55303
89%
**63
100%
Alliant Reloder-19
<<locked>>
97%
50154
80%
**12
95%
[Alliant Reloder-22]*
<<locked>>
97%
44643
72%
**53
93%
Alliant Reloder-23
<<locked>>
97%
42308
68%
**13
99%
[Alliant Reloder-25]*
<<locked>>
97%
37318
60%
**99
94%
Alliant Reloder-26
<<locked>>
97%
47021
75%
**81
99%
[Bofors RP15]*
<<locked>>
97%
41365
66%
**71
92%
Bofors RP3
<<locked>>
87%
56043
90%
**64
100%
[Bofors RP5]*
<<locked>>
97%
44643
72%
**53
93%
Bofors RP7
<<locked>>
91%
55593
89%
**28
97%
Hodgdon CFE223
<<locked>>
86%
55869
90%
**04
100%
Hodgdon H380
<<locked>>
87%
55361
89%
**61
99%
Hodgdon H414
<<locked>>
90%
56028
90%
**23
98%
Hodgdon H4350
<<locked>>
97%
55579
89%
**51
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
48269
77%
**46
92%
Hodgdon Hybrid 100V
<<locked>>
97%
53896
86%
**45
100%
Hodgdon LVR
<<locked>>
92%
55767
89%
**04
99%
Hodgdon Superperformance
<<locked>>
93%
55753
89%
**43
98%
Hodgdon VARGET
<<locked>>
88%
55622
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
34447
55%
**77
100%
IMR 3031
<<locked>>
85%
55927
90%
**38
100%
IMR 4064
<<locked>>
89%
55564
89%
**28
100%
IMR 4166 Enduron
<<locked>>
89%
55985
90%
**12
98%
IMR 4350
<<locked>>
95%
55564
89%
**48
97%
IMR 4451 Enduron
<<locked>>
90%
55288
89%
**35
98%
IMR 4831
<<locked>>
97%
50865
82%
**12
99%
IMR 4895
<<locked>>
85%
56043
90%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47427
76%
**90
92%
[IMR 7828 SSC]*
<<locked>>
97%
46499
75%
**69
92%
Lovex S060
<<locked>>
83%
55332
89%
**89
100%
Lovex S062
<<locked>>
86%
55796
89%
**25
100%
Lovex S065
<<locked>>
93%
55898
90%
**41
99%
Lovex S070
<<locked>>
94%
55811
89%
**54
98%
[Lovex S071]*
<<locked>>
97%
37695
60%
**33
94%
Norma 201
<<locked>>
83%
55405
89%
**15
100%
Norma 203B
<<locked>>
86%
56014
90%
**77
100%
Norma 204
<<locked>>
95%
55796
89%
**91
96%
Norma MRP
<<locked>>
97%
46688
75%
**28
96%
Norma URP 👍
<<locked>>
95%
56086
90%
**17
100%
Ramshot Big Game
<<locked>>
86%
55811
89%
**87
100%
[Ramshot Grand]*
<<locked>>
97%
49458
79%
**38
93%
Ramshot Hunter
<<locked>>
96%
55796
89%
**20
99%
[Ramshot Magnum]*
<<locked>>
97%
43323
69%
**81
93%
ReloadSwiss RS 14
<<locked>>
97%
35404
57%
**26
100%
ReloadSwiss RS 50
<<locked>>
87%
55869
90%
**41
98%
ReloadSwiss RS 52
<<locked>>
83%
55927
90%
**33
100%
ReloadSwiss RS 60
<<locked>>
89%
55651
89%
**69
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55535
89%
**30
100%
ReloadSwiss RS 70
<<locked>>
95%
55463
89%
**79
99%
Rottweil R 902
<<locked>>
85%
55840
90%
**12
100%
Rottweil R 903
<<locked>>
89%
55999
90%
**61
100%
[Rottweil R 904]*
<<locked>>
97%
52605
84%
**05
94%
Rottweil R 905
<<locked>>
97%
49342
79%
**02
95%
Rottweil R 907
<<locked>>
91%
55593
89%
**28
97%
SNPE Vectan SP 11
<<locked>>
88%
55434
89%
**84
100%
SNPE Vectan SP 9
<<locked>>
84%
55985
90%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
55883
90%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55622
89%
**89
98%
Shooters World Long Rifle
<<locked>>
93%
55898
90%
**41
99%
Shooters World Precision
<<locked>>
86%
55796
89%
**25
100%
Somchem S335
<<locked>>
83%
55912
90%
**43
100%
Somchem S355
<<locked>>
89%
55796
89%
**51
100%
[Somchem S361]*
<<locked>>
97%
54897
88%
**99
94%
Somchem S365 👍
<<locked>>
97%
54317
87%
**20
100%
Somchem S385
<<locked>>
97%
50502
81%
**92
96%
Vihtavuori N133
<<locked>>
85%
55927
90%
**23
100%
Vihtavuori N135
<<locked>>
90%
55564
89%
**66
100%
Vihtavuori N140
<<locked>>
85%
55651
89%
**76
100%
Vihtavuori N150
<<locked>>
94%
55912
90%
**12
100%
Vihtavuori N160
<<locked>>
92%
55927
90%
**71
100%
[Vihtavuori N165]*
<<locked>>
97%
42221
68%
**12
93%
Vihtavuori N540
<<locked>>
86%
56072
90%
**15
100%
Vihtavuori N550 👍
<<locked>>
92%
56101
90%
**14
100%
Vihtavuori N555
<<locked>>
97%
47021
75%
**95
99%
Winchester 6.5 StaBALL
<<locked>>
94%
55506
89%
**41
100%
Winchester 760
<<locked>>
90%
56028
90%
**23
98%
Winchester StaBALL HD
<<locked>>
97%
38203
61%
**33
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45266
73%
**44
99%
[ADI AR 2209]*
<<locked>>
87%
37579
60%
**36
90%
[Accurate 2700]*
<<locked>>
81%
43352
70%
**56
94%
[Accurate 3100]*
<<locked>>
84%
29602
47%
**13
90%
Accurate 4064
<<locked>>
81%
47863
77%
**94
100%
Accurate 4350
<<locked>>
81%
36245
58%
**17
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45513
73%
**74
100%
Alliant Reloder-15
<<locked>>
81%
48501
78%
**43
99%
Alliant Reloder-16
<<locked>>
81%
35404
57%
**23
96%
Alliant Reloder-17
<<locked>>
81%
39465
63%
**48
99%
[Alliant Reloder-19]*
<<locked>>
87%
37130
60%
**23
90%
[Alliant Reloder-22]*
<<locked>>
91%
37072
59%
**69
90%
[Alliant Reloder-23]*
<<locked>>
81%
26324
42%
**54
92%
[Alliant Reloder-25]*
<<locked>>
90%
30777
49%
**95
90%
[Alliant Reloder-26]*
<<locked>>
82%
28427
46%
**75
90%
[Bofors RP15]*
<<locked>>
94%
37681
60%
**79
90%
Bofors RP3
<<locked>>
81%
45905
74%
**94
100%
[Bofors RP5]*
<<locked>>
91%
37072
59%
**69
90%
[Bofors RP7]*
<<locked>>
81%
40756
65%
**36
93%
Hodgdon CFE223
<<locked>>
81%
47137
76%
**49
99%
Hodgdon H380
<<locked>>
81%
46093
74%
**90
98%
[Hodgdon H414]*
<<locked>>
81%
41075
66%
**31
94%
[Hodgdon H4350]*
<<locked>>
81%
34258
55%
**98
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
43859
70%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32851
53%
**15
97%
Hodgdon LVR
<<locked>>
81%
38725
62%
**66
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36883
59%
**49
92%
Hodgdon VARGET
<<locked>>
81%
44454
71%
**35
99%
Hodgdon TrailBoss
<<locked>>
81%
27673
44%
**22
100%
IMR 3031
<<locked>>
81%
49603
80%
**36
100%
IMR 4064
<<locked>>
81%
44382
71%
**22
99%
IMR 4166 Enduron
<<locked>>
81%
43743
70%
**89
95%
[IMR 4350]*
<<locked>>
81%
36027
58%
**54
92%
[IMR 4451 Enduron]*
<<locked>>
81%
41698
67%
**62
94%
[IMR 4831]*
<<locked>>
81%
31734
51%
**82
94%
IMR 4895
<<locked>>
81%
49821
80%
**82
100%
[IMR 4955 Enduron]*
<<locked>>
93%
42714
68%
**99
90%
[IMR 7828 SSC]*
<<locked>>
94%
43018
69%
**90
90%
Lovex S060
<<locked>>
81%
51982
83%
**33
100%
Lovex S062
<<locked>>
81%
47718
77%
**84
100%
Lovex S065
<<locked>>
81%
39407
63%
**20
95%
[Lovex S070]*
<<locked>>
81%
37913
61%
**00
93%
[Lovex S071]*
<<locked>>
89%
29428
47%
**10
90%
Norma 201
<<locked>>
81%
51895
83%
**56
100%
Norma 203B
<<locked>>
81%
47877
77%
**30
99%
[Norma 204]*
<<locked>>
83%
37362
60%
**13
90%
[Norma MRP]*
<<locked>>
87%
33779
54%
**00
90%
Norma URP
<<locked>>
81%
36100
58%
**17
96%
Ramshot Big Game
<<locked>>
81%
47732
77%
**49
99%
[Ramshot Grand]*
<<locked>>
92%
42366
68%
**77
90%
[Ramshot Hunter]*
<<locked>>
81%
34809
56%
**87
93%
[Ramshot Magnum]*
<<locked>>
92%
36927
59%
**26
90%
ReloadSwiss RS 14
<<locked>>
81%
28021
45%
**62
100%
ReloadSwiss RS 50
<<locked>>
81%
45977
74%
**67
97%
ReloadSwiss RS 52
<<locked>>
81%
51634
83%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
41945
67%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
35520
57%
**30
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
35027
56%
**23
94%
Rottweil R 902
<<locked>>
81%
49705
80%
**00
100%
Rottweil R 903
<<locked>>
81%
43163
69%
**35
99%
[Rottweil R 904]*
<<locked>>
88%
40437
65%
**56
90%
[Rottweil R 905]*
<<locked>>
87%
36506
59%
**23
90%
[Rottweil R 907]*
<<locked>>
81%
40756
65%
**36
93%
SNPE Vectan SP 11
<<locked>>
81%
43555
70%
**71
99%
SNPE Vectan SP 9
<<locked>>
81%
51227
82%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44469
71%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38943
62%
**61
94%
Shooters World Long Rifle
<<locked>>
81%
39407
63%
**20
95%
Shooters World Precision
<<locked>>
81%
47718
77%
**84
100%
Somchem S335
<<locked>>
81%
52475
84%
**87
100%
Somchem S355
<<locked>>
81%
43424
70%
**31
99%
[Somchem S361]*
<<locked>>
90%
43482
70%
**89
90%
Somchem S365
<<locked>>
81%
32561
52%
**71
98%
[Somchem S385]*
<<locked>>
84%
33533
54%
**18
90%
Vihtavuori N133
<<locked>>
81%
49632
80%
**25
100%
Vihtavuori N135
<<locked>>
81%
42467
68%
**56
100%
Vihtavuori N140
<<locked>>
81%
48849
78%
**71
100%
Vihtavuori N150
<<locked>>
81%
37275
60%
**67
99%
Vihtavuori N160
<<locked>>
81%
38769
62%
**43
96%
[Vihtavuori N165]*
<<locked>>
91%
35114
56%
**38
90%
Vihtavuori N540
<<locked>>
81%
48820
78%
**97
100%
Vihtavuori N550
<<locked>>
81%
39421
63%
**92
97%
[Vihtavuori N555]*
<<locked>>
81%
28355
45%
**46
93%
Winchester 6.5 StaBALL
<<locked>>
81%
36666
59%
**80
98%
[Winchester 760]*
<<locked>>
81%
41075
66%
**31
94%
[Winchester StaBALL HD]*
<<locked>>
83%
25019
40%
**54
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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