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

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 H & H 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 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.582" | 14.8mm
Shank Seated Depth:
0.582" | 14.8mm
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2988_C357
Last updated:
2025-01-01

Load data for 162 loads in caliber .300 H & H Mag. with .308 | 170gr | Impala RNFP KO bullet and 81 powders such as Accurate 4350, Alliant Reloder-16, 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>>
87%
55854
90%
**44
100%
ADI AR 2209
<<locked>>
97%
53127
85%
**87
97%
[ADI AR 2213]*
<<locked>>
97%
48196
77%
**18
94%
Accurate 2700
<<locked>>
88%
55941
90%
**02
98%
Accurate 3100
<<locked>>
97%
46963
75%
**49
98%
Accurate 4064
<<locked>>
84%
55361
89%
**08
100%
Accurate 4350 👍
<<locked>>
93%
56057
90%
**20
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55927
90%
**61
100%
Alliant Reloder-15
<<locked>>
84%
55535
89%
**71
100%
Alliant Reloder-16 👍
<<locked>>
95%
56072
90%
**66
100%
Alliant Reloder-17
<<locked>>
90%
55811
89%
**72
100%
Alliant Reloder-19
<<locked>>
97%
52330
84%
**77
97%
Alliant Reloder-22
<<locked>>
97%
46920
75%
**22
96%
Alliant Reloder-23
<<locked>>
97%
43903
70%
**62
100%
Alliant Reloder-25
<<locked>>
97%
38928
62%
**74
96%
Alliant Reloder-26
<<locked>>
97%
49748
80%
**46
100%
Hodgdon CFE223
<<locked>>
85%
55579
89%
**07
100%
Hodgdon H380
<<locked>>
86%
56072
90%
**74
100%
Hodgdon H414
<<locked>>
89%
55376
89%
**20
99%
Hodgdon H4350
<<locked>>
96%
55767
89%
**67
98%
[Hodgdon H4831]*
<<locked>>
97%
44788
72%
**03
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
50299
81%
**08
94%
Hodgdon Hybrid 100V
<<locked>>
96%
55709
89%
**81
100%
Hodgdon LVR
<<locked>>
91%
55245
89%
**00
100%
Hodgdon Superperformance
<<locked>>
91%
55419
89%
**56
98%
Hodgdon VARGET
<<locked>>
87%
55448
89%
**41
100%
Hodgdon TrailBoss
<<locked>>
97%
34998
56%
**45
100%
IMR 3031
<<locked>>
83%
55376
89%
**22
100%
IMR 4064
<<locked>>
88%
56086
90%
**44
100%
IMR 4166 Enduron
<<locked>>
88%
56101
90%
**28
99%
IMR 4350
<<locked>>
94%
55898
90%
**74
98%
IMR 4451 Enduron
<<locked>>
90%
56072
90%
**58
99%
IMR 4831
<<locked>>
97%
53606
86%
**67
100%
IMR 4895
<<locked>>
83%
55332
89%
**81
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49284
79%
**59
94%
[IMR 7828 SSC]*
<<locked>>
97%
48704
78%
**48
94%
Lovex S062
<<locked>>
85%
56072
90%
**35
100%
Lovex S065
<<locked>>
91%
55608
89%
**44
99%
Lovex S070
<<locked>>
92%
55521
89%
**61
99%
Lovex S071
<<locked>>
97%
39523
63%
**08
96%
Norma 203B
<<locked>>
85%
55724
89%
**74
100%
Norma 204
<<locked>>
94%
55883
90%
**07
97%
Norma MRP
<<locked>>
97%
48965
79%
**90
97%
Norma URP
<<locked>>
94%
56028
90%
**20
100%
Ramshot Big Game
<<locked>>
84%
55579
89%
**84
100%
Ramshot Hunter 👍
<<locked>>
94%
55376
89%
**33
99%
Ramshot Magnum
<<locked>>
97%
45469
73%
**66
96%
ReloadSwiss RS 14
<<locked>>
97%
35737
57%
**88
100%
ReloadSwiss RS 50
<<locked>>
86%
55695
89%
**48
99%
ReloadSwiss RS 52
<<locked>>
85%
55506
89%
**84
100%
ReloadSwiss RS 60
<<locked>>
91%
55564
89%
**82
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55738
89%
**43
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55332
89%
**76
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37681
60%
**64
93%
Rottweil R 902
<<locked>>
84%
56057
90%
**12
100%
Rottweil R 903
<<locked>>
88%
55695
89%
**58
100%
Rottweil R 904
<<locked>>
97%
55216
89%
**67
96%
Rottweil R 905
<<locked>>
97%
51605
83%
**64
97%
Rottweil R 907
<<locked>>
90%
55550
89%
**44
98%
SNPE Vectan SP 11
<<locked>>
87%
55753
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55434
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55317
89%
**92
98%
Shooters World Long Rifle
<<locked>>
91%
55608
89%
**44
99%
Shooters World Precision
<<locked>>
85%
56072
90%
**35
100%
Somchem S355
<<locked>>
88%
55825
90%
**51
100%
Somchem S361
<<locked>>
96%
55506
89%
**31
95%
Somchem S365
<<locked>>
96%
55259
89%
**30
100%
Somchem S385
<<locked>>
97%
52794
85%
**48
98%
Vihtavuori N133
<<locked>>
83%
55405
89%
**10
100%
Vihtavuori N135
<<locked>>
89%
55535
89%
**66
100%
Vihtavuori N140
<<locked>>
84%
55521
89%
**76
100%
Vihtavuori N150
<<locked>>
93%
56043
90%
**18
100%
Vihtavuori N160
<<locked>>
91%
56043
90%
**81
100%
Vihtavuori N165
<<locked>>
97%
44048
71%
**84
95%
Vihtavuori N540
<<locked>>
84%
55782
89%
**08
100%
Vihtavuori N550
<<locked>>
91%
55999
90%
**20
100%
Vihtavuori N555
<<locked>>
97%
49255
79%
**44
100%
[Vihtavuori N560]*
<<locked>>
97%
46862
75%
**31
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55811
89%
**51
100%
Winchester 760
<<locked>>
89%
55376
89%
**20
99%
Winchester StaBALL HD
<<locked>>
97%
36782
59%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46760
75%
**97
99%
[ADI AR 2209]*
<<locked>>
83%
34940
56%
**03
90%
[ADI AR 2213]*
<<locked>>
91%
39537
63%
**31
90%
Accurate 2700
<<locked>>
81%
45005
72%
**18
96%
[Accurate 3100]*
<<locked>>
81%
28413
46%
**26
91%
Accurate 4064
<<locked>>
81%
50256
81%
**33
100%
Accurate 4350
<<locked>>
81%
38247
61%
**92
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47311
76%
**20
100%
Alliant Reloder-15
<<locked>>
81%
50560
81%
**92
100%
Alliant Reloder-16
<<locked>>
81%
36767
59%
**89
97%
Alliant Reloder-17
<<locked>>
81%
41350
66%
**17
100%
[Alliant Reloder-19]*
<<locked>>
82%
33895
54%
**84
90%
[Alliant Reloder-22]*
<<locked>>
87%
34214
55%
**30
90%
Alliant Reloder-23
<<locked>>
81%
27557
44%
**56
95%
[Alliant Reloder-25]*
<<locked>>
86%
28398
46%
**69
90%
[Alliant Reloder-26]*
<<locked>>
81%
29225
47%
**48
92%
Hodgdon CFE223
<<locked>>
81%
49197
79%
**02
100%
Hodgdon H380
<<locked>>
81%
48341
78%
**46
99%
Hodgdon H414
<<locked>>
81%
43149
69%
**03
96%
[Hodgdon H4350]*
<<locked>>
81%
36027
58%
**84
93%
[Hodgdon H4831]*
<<locked>>
94%
40509
65%
**18
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
40843
65%
**21
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34650
56%
**97
98%
Hodgdon LVR
<<locked>>
81%
40611
65%
**35
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38653
62%
**28
94%
Hodgdon VARGET
<<locked>>
81%
46398
74%
**90
99%
Hodgdon TrailBoss
<<locked>>
86%
30081
48%
**47
100%
IMR 3031
<<locked>>
81%
51677
83%
**66
100%
IMR 4064
<<locked>>
81%
46166
74%
**71
99%
IMR 4166 Enduron
<<locked>>
81%
45266
73%
**38
97%
[IMR 4350]*
<<locked>>
81%
37579
60%
**26
94%
IMR 4451 Enduron
<<locked>>
81%
43221
69%
**21
96%
IMR 4831
<<locked>>
81%
33141
53%
**57
96%
IMR 4895
<<locked>>
81%
51953
83%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
89%
39218
63%
**52
90%
[IMR 7828 SSC]*
<<locked>>
90%
39436
63%
**41
90%
Lovex S062
<<locked>>
81%
49574
79%
**30
100%
Lovex S065
<<locked>>
81%
41350
66%
**85
97%
Lovex S070
<<locked>>
81%
39494
63%
**66
95%
[Lovex S071]*
<<locked>>
84%
26890
43%
**80
90%
Norma 203B
<<locked>>
81%
49734
80%
**76
100%
[Norma 204]*
<<locked>>
81%
37101
59%
**49
92%
[Norma MRP]*
<<locked>>
83%
31009
50%
**70
90%
Norma URP
<<locked>>
81%
37811
61%
**82
97%
Ramshot Big Game
<<locked>>
81%
49705
80%
**92
100%
Ramshot Hunter
<<locked>>
81%
36608
59%
**62
95%
[Ramshot Magnum]*
<<locked>>
88%
33692
54%
**90
90%
ReloadSwiss RS 14
<<locked>>
83%
29109
47%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
47776
77%
**23
98%
ReloadSwiss RS 52
<<locked>>
81%
49748
80%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
40234
65%
**07
100%
ReloadSwiss RS 62
<<locked>>
81%
37449
60%
**95
97%
ReloadSwiss RS 70
<<locked>>
81%
36622
59%
**02
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
34098
55%
**62
91%
Rottweil R 902
<<locked>>
81%
51663
83%
**46
100%
Rottweil R 903
<<locked>>
81%
45252
73%
**90
100%
[Rottweil R 904]*
<<locked>>
84%
37333
60%
**16
90%
[Rottweil R 905]*
<<locked>>
83%
33228
53%
**74
90%
Rottweil R 907
<<locked>>
81%
42250
68%
**02
95%
SNPE Vectan SP 11
<<locked>>
81%
45919
74%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46209
74%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40451
65%
**26
95%
Shooters World Long Rifle
<<locked>>
81%
41350
66%
**85
97%
Shooters World Precision
<<locked>>
81%
49574
79%
**30
100%
Somchem S355
<<locked>>
81%
45281
73%
**80
100%
[Somchem S361]*
<<locked>>
86%
39769
64%
**39
90%
Somchem S365
<<locked>>
81%
34229
55%
**46
99%
[Somchem S385]*
<<locked>>
81%
32068
51%
**15
91%
Vihtavuori N133
<<locked>>
81%
51677
83%
**61
100%
Vihtavuori N135
<<locked>>
81%
44135
71%
**95
100%
Vihtavuori N140
<<locked>>
81%
51184
82%
**17
100%
Vihtavuori N150
<<locked>>
81%
38899
62%
**26
100%
Vihtavuori N160
<<locked>>
81%
40524
65%
**05
98%
[Vihtavuori N165]*
<<locked>>
86%
32111
51%
**05
90%
Vihtavuori N540
<<locked>>
81%
50908
82%
**40
100%
Vihtavuori N550
<<locked>>
81%
41191
66%
**51
98%
Vihtavuori N555
<<locked>>
81%
30023
48%
**31
95%
[Vihtavuori N560]*
<<locked>>
92%
39900
64%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38174
61%
**46
99%
Winchester 760
<<locked>>
81%
43149
69%
**03
96%
[Winchester StaBALL HD]*
<<locked>>
81%
24642
40%
**10
92%

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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