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Load data for .300 Norma Mag + .308 | 170gr | Impala RNFP KO

Recommended Powder(s):

.300 Norma Mag + .308 | 170gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Impala RNFP KO
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.278" | 32.5mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.143" | 3.6mm
Shank Seated Depth:
0.143" | 3.6mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2988_C365
Last updated:
2025-01-01

Load data for 114 loads in caliber .300 Norma Mag with .308 | 170gr | Impala RNFP KO bullet and 57 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 2209
<<locked>>
89%
57058
89%
**81
99%
ADI AR 2213
<<locked>>
93%
57014
89%
**23
99%
ADI AR 2217
<<locked>>
97%
48689
76%
**66
97%
ADI AR 2225
<<locked>>
97%
43961
69%
**23
99%
Accurate 3100
<<locked>>
92%
56724
89%
**09
100%
Accurate 4350
<<locked>>
84%
57116
89%
**35
100%
Accurate MAGPRO
<<locked>>
92%
56942
89%
**27
97%
Alliant Reloder-16
<<locked>>
85%
57101
89%
**77
100%
Alliant Reloder-19 👍
<<locked>>
90%
57435
90%
**81
99%
Alliant Reloder-22 👍
<<locked>>
93%
57276
90%
**10
99%
Alliant Reloder-23
<<locked>>
94%
57000
89%
**64
100%
Alliant Reloder-25 👍
<<locked>>
97%
54781
86%
**97
100%
Alliant Reloder-26
<<locked>>
89%
57174
90%
**53
100%
[Alliant Reloder-33]*
<<locked>>
97%
45730
72%
**46
92%
Hodgdon H1000
<<locked>>
97%
48689
76%
**66
97%
Hodgdon H4350
<<locked>>
87%
57246
90%
**25
100%
Hodgdon H4831
<<locked>>
95%
56884
89%
**51
98%
Hodgdon H4831 SC
<<locked>>
91%
56884
89%
**51
98%
Hodgdon Hybrid 100V
<<locked>>
87%
56927
89%
**95
100%
Hodgdon Retumbo
<<locked>>
97%
43961
69%
**23
99%
Hodgdon TrailBoss
<<locked>>
97%
35868
56%
**03
100%
IMR 4350
<<locked>>
86%
56869
89%
**12
100%
IMR 4831
<<locked>>
89%
57363
90%
**31
100%
IMR 4955 Enduron
<<locked>>
92%
57087
89%
**25
98%
IMR 7828 SSC
<<locked>>
92%
57276
90%
**40
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56289
88%
**53
91%
IMR 8133 Enduron
<<locked>>
97%
40350
63%
**25
95%
Lovex S065
<<locked>>
83%
57029
89%
**95
100%
Lovex S070
<<locked>>
84%
57145
90%
**12
100%
Lovex S071
<<locked>>
97%
56217
88%
**99
100%
Norma 204
<<locked>>
85%
56956
89%
**58
99%
Norma 217
<<locked>>
97%
40408
63%
**51
97%
Norma MRP 👍
<<locked>>
90%
56840
89%
**33
100%
Norma URP
<<locked>>
85%
57159
90%
**41
100%
Ramshot Hunter
<<locked>>
85%
57406
90%
**64
100%
Ramshot Magnum 👍
<<locked>>
93%
57014
89%
**87
100%
ReloadSwiss RS 14
<<locked>>
96%
36622
57%
**42
100%
ReloadSwiss RS 62
<<locked>>
84%
57435
90%
**64
100%
ReloadSwiss RS 70
<<locked>>
85%
57043
89%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
54810
86%
**73
100%
ReloadSwiss RS 80
<<locked>>
97%
50343
79%
**54
97%
Rottweil R 904
<<locked>>
89%
57406
90%
**35
99%
Rottweil R 905
<<locked>>
90%
57363
90%
**77
99%
SNPE Vectan Tubal 7000
<<locked>>
84%
57000
89%
**53
100%
Shooters World Long Rifle
<<locked>>
83%
57029
89%
**95
100%
Somchem S361
<<locked>>
88%
57305
90%
**02
98%
Somchem S365
<<locked>>
86%
57014
89%
**28
100%
Somchem S385
<<locked>>
89%
56637
89%
**28
100%
Vihtavuori N150
<<locked>>
85%
56826
89%
**36
100%
Vihtavuori N165
<<locked>>
95%
57043
89%
**18
100%
Vihtavuori N555
<<locked>>
90%
56942
89%
**64
100%
Vihtavuori N560
<<locked>>
92%
56710
89%
**30
98%
Vihtavuori N565
<<locked>>
96%
56884
89%
**04
98%
Vihtavuori N568
<<locked>>
97%
50952
80%
**45
96%
[Vihtavuori N570]*
<<locked>>
97%
48559
76%
**28
93%
Winchester 6.5 StaBALL
<<locked>>
84%
57421
90%
**76
100%
Winchester StaBALL HD
<<locked>>
94%
57029
89%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43468
68%
**25
97%
[ADI AR 2213]*
<<locked>>
81%
39059
61%
**53
94%
[ADI AR 2217]*
<<locked>>
84%
32430
51%
**56
90%
[ADI AR 2225]*
<<locked>>
81%
27253
43%
**31
90%
Accurate 3100
<<locked>>
81%
40118
63%
**07
98%
Accurate 4350
<<locked>>
81%
52431
82%
**63
100%
[Accurate MAGPRO]*
<<locked>>
81%
38580
60%
**49
91%
Alliant Reloder-16
<<locked>>
81%
49414
77%
**56
100%
Alliant Reloder-19
<<locked>>
81%
43395
68%
**18
97%
Alliant Reloder-22
<<locked>>
81%
39508
62%
**62
96%
Alliant Reloder-23
<<locked>>
81%
38203
60%
**23
100%
Alliant Reloder-25
<<locked>>
81%
33228
52%
**31
97%
Alliant Reloder-26
<<locked>>
81%
42250
66%
**77
100%
[Alliant Reloder-33]*
<<locked>>
94%
41510
65%
**54
90%
[Hodgdon H1000]*
<<locked>>
84%
32430
51%
**56
90%
Hodgdon H4350
<<locked>>
81%
47224
74%
**48
99%
[Hodgdon H4831]*
<<locked>>
81%
36796
58%
**41
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
40814
64%
**43
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47079
74%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27253
43%
**31
90%
Hodgdon TrailBoss
<<locked>>
81%
28631
45%
**42
100%
IMR 4350
<<locked>>
81%
49269
77%
**87
99%
IMR 4831
<<locked>>
81%
44991
70%
**12
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40654
64%
**07
94%
[IMR 7828 SSC]*
<<locked>>
81%
40103
63%
**85
94%
[IMR 7977 Enduron]*
<<locked>>
94%
51793
81%
**77
90%
[IMR 8133 Enduron]*
<<locked>>
89%
31604
50%
**92
90%
Lovex S065
<<locked>>
81%
53229
83%
**33
100%
Lovex S070
<<locked>>
81%
51547
81%
**20
100%
Lovex S071
<<locked>>
81%
34795
55%
**75
97%
Norma 204
<<locked>>
81%
49792
78%
**23
98%
[Norma 217]*
<<locked>>
85%
27934
44%
**97
90%
Norma MRP
<<locked>>
81%
41423
65%
**41
98%
Norma URP
<<locked>>
81%
50952
80%
**43
100%
Ramshot Hunter
<<locked>>
81%
49603
78%
**36
100%
Ramshot Magnum
<<locked>>
81%
36912
58%
**97
96%
ReloadSwiss RS 14
<<locked>>
81%
29298
46%
**85
100%
ReloadSwiss RS 62
<<locked>>
81%
52431
82%
**79
100%
ReloadSwiss RS 70
<<locked>>
81%
50009
78%
**95
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31589
49%
**12
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
35143
55%
**03
90%
Rottweil R 904
<<locked>>
81%
44541
70%
**02
96%
Rottweil R 905
<<locked>>
81%
42844
67%
**05
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
51822
81%
**71
100%
Shooters World Long Rifle
<<locked>>
81%
53229
83%
**33
100%
Somchem S361
<<locked>>
81%
45585
71%
**92
95%
Somchem S365
<<locked>>
81%
48341
76%
**04
100%
Somchem S385
<<locked>>
81%
43816
69%
**95
98%
Vihtavuori N150
<<locked>>
81%
50705
79%
**41
100%
Vihtavuori N165
<<locked>>
81%
36941
58%
**28
95%
Vihtavuori N555
<<locked>>
81%
43004
67%
**15
100%
[Vihtavuori N560]*
<<locked>>
81%
39407
62%
**76
93%
[Vihtavuori N565]*
<<locked>>
81%
34534
54%
**31
91%
[Vihtavuori N568]*
<<locked>>
87%
36172
57%
**17
90%
[Vihtavuori N570]*
<<locked>>
93%
42293
66%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51271
80%
**77
100%
Winchester StaBALL HD
<<locked>>
81%
34592
54%
**62
100%

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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