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Load data for .300 Win. Mag. + .308 | 180gr | Sierra RN Prohunter

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Win. Mag. + .308 | 180gr | Sierra RN Prohunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sierra RN Prohunter
Manufacturer SKU:
2170
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.092" | 27.7mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.422" | 10.7mm
Shank Seated Depth:
0.422" | 10.7mm
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_B5897_C380
Last updated:
2025-01-01

Load data for 142 loads in caliber .300 Win. Mag. with .308 | 180gr | Sierra RN Prohunter bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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>>
84%
55317
89%
**12
100%
ADI AR 2209
<<locked>>
95%
56057
90%
**27
99%
ADI AR 2213
<<locked>>
97%
52895
85%
**97
97%
[ADI AR 2217]*
<<locked>>
97%
38972
62%
**08
92%
[ADI AR 2225]*
<<locked>>
97%
34418
55%
**56
94%
Accurate 2700
<<locked>>
85%
56130
90%
**95
99%
Accurate 3100
<<locked>>
97%
52591
84%
**25
100%
Accurate 4350
<<locked>>
89%
55709
89%
**87
100%
Accurate MAGPRO
<<locked>>
97%
51387
82%
**97
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
55564
89%
**28
100%
Alliant Reloder-16
<<locked>>
91%
55782
89%
**27
100%
Alliant Reloder-17
<<locked>>
86%
55796
89%
**33
100%
Alliant Reloder-19
<<locked>>
95%
56072
90%
**13
99%
Alliant Reloder-22
<<locked>>
97%
52228
84%
**04
98%
Alliant Reloder-23
<<locked>>
97%
49705
80%
**41
100%
Alliant Reloder-25
<<locked>>
97%
43250
69%
**69
99%
Alliant Reloder-26 👍
<<locked>>
96%
55564
89%
**12
100%
[Hodgdon H1000]*
<<locked>>
97%
38972
62%
**08
92%
Hodgdon H414
<<locked>>
86%
55666
89%
**07
100%
Hodgdon H4350
<<locked>>
93%
55869
90%
**58
99%
Hodgdon H4831
<<locked>>
97%
49124
79%
**76
95%
Hodgdon H4831 SC
<<locked>>
97%
55390
89%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
93%
55535
89%
**44
100%
Hodgdon LVR
<<locked>>
88%
55434
89%
**81
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34418
55%
**56
94%
Hodgdon Superperformance
<<locked>>
88%
55956
90%
**43
99%
Hodgdon VARGET
<<locked>>
84%
55317
89%
**12
100%
Hodgdon TrailBoss
<<locked>>
97%
35259
57%
**52
100%
IMR 4064
<<locked>>
85%
55753
89%
**15
100%
IMR 4166 Enduron
<<locked>>
86%
56086
90%
**18
99%
IMR 4350
<<locked>>
91%
55376
89%
**51
99%
IMR 4451 Enduron
<<locked>>
87%
56115
90%
**44
99%
IMR 4831 👍
<<locked>>
95%
55796
89%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
54723
88%
**41
97%
IMR 7828 SSC
<<locked>>
97%
54418
87%
**40
97%
Lovex S065
<<locked>>
89%
55912
90%
**38
100%
Lovex S070
<<locked>>
90%
55550
89%
**54
100%
Lovex S071
<<locked>>
97%
44193
71%
**80
99%
Norma 204
<<locked>>
91%
56043
90%
**00
98%
Norma MRP
<<locked>>
97%
55941
90%
**89
100%
Norma URP
<<locked>>
90%
56057
90%
**90
100%
Ramshot Hunter 👍
<<locked>>
91%
55724
89%
**04
100%
Ramshot Magnum
<<locked>>
97%
51358
82%
**74
99%
ReloadSwiss RS 14
<<locked>>
96%
35621
57%
**88
100%
ReloadSwiss RS 60
<<locked>>
88%
55999
90%
**53
100%
ReloadSwiss RS 62
<<locked>>
90%
56043
90%
**17
100%
ReloadSwiss RS 70
<<locked>>
90%
55332
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
41916
67%
**85
98%
Rottweil R 903
<<locked>>
85%
55854
90%
**35
100%
Rottweil R 904
<<locked>>
94%
56072
90%
**71
98%
Rottweil R 905
<<locked>>
96%
55666
89%
**07
99%
Rottweil R 907
<<locked>>
88%
55869
90%
**38
99%
SNPE Vectan SP 11
<<locked>>
84%
55927
90%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55317
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55738
89%
**89
99%
Shooters World Long Rifle
<<locked>>
89%
55912
90%
**38
100%
Somchem S355
<<locked>>
85%
55840
90%
**31
100%
Somchem S361
<<locked>>
93%
55869
90%
**35
97%
Somchem S365
<<locked>>
92%
55579
89%
**90
100%
Somchem S385
<<locked>>
95%
56014
90%
**81
99%
Vihtavuori N135
<<locked>>
86%
56057
90%
**43
100%
Vihtavuori N150
<<locked>>
90%
55608
89%
**89
100%
Vihtavuori N160
<<locked>>
88%
55883
90%
**51
100%
Vihtavuori N165
<<locked>>
97%
49153
79%
**56
98%
Vihtavuori N550
<<locked>>
88%
56086
90%
**97
100%
Vihtavuori N555 👍
<<locked>>
97%
55593
89%
**13
100%
Vihtavuori N560
<<locked>>
97%
52837
85%
**27
97%
Vihtavuori N565
<<locked>>
97%
44672
72%
**62
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55796
89%
**28
100%
Winchester 760
<<locked>>
86%
55666
89%
**07
100%
Winchester StaBALL HD 👍
<<locked>>
97%
45194
72%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50647
81%
**40
100%
[ADI AR 2209]*
<<locked>>
81%
35215
56%
**07
93%
[ADI AR 2213]*
<<locked>>
84%
34548
55%
**07
90%
[ADI AR 2217]*
<<locked>>
94%
35012
56%
**10
90%
[ADI AR 2225]*
<<locked>>
92%
29225
47%
**88
90%
Accurate 2700
<<locked>>
81%
48805
78%
**80
98%
[Accurate 3100]*
<<locked>>
81%
30618
49%
**75
94%
Accurate 4350
<<locked>>
81%
41568
67%
**38
99%
[Accurate MAGPRO]*
<<locked>>
89%
38769
62%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51343
82%
**62
100%
Alliant Reloder-16
<<locked>>
81%
40219
64%
**51
99%
Alliant Reloder-17
<<locked>>
81%
46122
74%
**82
100%
[Alliant Reloder-19]*
<<locked>>
81%
34940
56%
**03
93%
[Alliant Reloder-22]*
<<locked>>
81%
30835
49%
**28
90%
Alliant Reloder-23
<<locked>>
81%
29631
48%
**15
98%
[Alliant Reloder-25]*
<<locked>>
81%
26121
42%
**00
91%
Alliant Reloder-26
<<locked>>
81%
31908
51%
**26
96%
[Hodgdon H1000]*
<<locked>>
94%
35012
56%
**10
90%
Hodgdon H414
<<locked>>
81%
47601
76%
**69
99%
Hodgdon H4350
<<locked>>
81%
38914
62%
**46
96%
[Hodgdon H4831]*
<<locked>>
86%
35172
56%
**84
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35172
56%
**84
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37623
60%
**43
100%
Hodgdon LVR
<<locked>>
81%
44237
71%
**87
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29225
47%
**88
90%
Hodgdon Superperformance
<<locked>>
81%
42699
68%
**10
97%
Hodgdon VARGET
<<locked>>
81%
49980
80%
**36
100%
Hodgdon TrailBoss
<<locked>>
86%
30168
48%
**50
100%
IMR 4064
<<locked>>
81%
49647
80%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
48791
78%
**94
99%
IMR 4350
<<locked>>
81%
40654
65%
**85
96%
IMR 4451 Enduron
<<locked>>
81%
46876
75%
**90
98%
IMR 4831
<<locked>>
81%
36419
58%
**20
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34403
55%
**31
90%
[IMR 7828 SSC]*
<<locked>>
83%
34534
55%
**13
90%
Lovex S065
<<locked>>
81%
44280
71%
**35
99%
Lovex S070
<<locked>>
81%
42569
68%
**21
98%
[Lovex S071]*
<<locked>>
81%
26513
43%
**57
92%
Norma 204
<<locked>>
81%
40625
65%
**18
95%
[Norma MRP]*
<<locked>>
81%
32155
52%
**00
93%
Norma URP
<<locked>>
81%
41220
66%
**38
99%
Ramshot Hunter
<<locked>>
81%
40118
64%
**31
98%
[Ramshot Magnum]*
<<locked>>
82%
29486
47%
**79
90%
ReloadSwiss RS 14
<<locked>>
82%
28979
46%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
44382
71%
**69
100%
ReloadSwiss RS 62
<<locked>>
81%
41611
67%
**61
99%
ReloadSwiss RS 70
<<locked>>
81%
40190
64%
**74
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29443
47%
**31
90%
Rottweil R 903
<<locked>>
81%
49023
79%
**30
100%
[Rottweil R 904]*
<<locked>>
81%
36608
59%
**00
92%
[Rottweil R 905]*
<<locked>>
81%
34026
55%
**84
93%
Rottweil R 907
<<locked>>
81%
45498
73%
**54
98%
SNPE Vectan SP 11
<<locked>>
81%
50328
81%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49879
80%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43308
69%
**82
98%
Shooters World Long Rifle
<<locked>>
81%
44280
71%
**35
99%
Somchem S355
<<locked>>
81%
49153
79%
**26
100%
[Somchem S361]*
<<locked>>
81%
37275
60%
**84
91%
Somchem S365
<<locked>>
81%
37608
60%
**95
100%
[Somchem S385]*
<<locked>>
81%
34925
56%
**77
94%
Vihtavuori N135
<<locked>>
81%
47718
77%
**21
100%
Vihtavuori N150
<<locked>>
81%
42148
68%
**72
100%
Vihtavuori N160
<<locked>>
81%
44614
72%
**64
99%
[Vihtavuori N165]*
<<locked>>
81%
29153
47%
**16
90%
Vihtavuori N550
<<locked>>
81%
44976
72%
**03
99%
Vihtavuori N555
<<locked>>
81%
33011
53%
**90
98%
[Vihtavuori N560]*
<<locked>>
85%
34998
56%
**46
90%
[Vihtavuori N565]*
<<locked>>
89%
34040
55%
**23
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41800
67%
**98
100%
Winchester 760
<<locked>>
81%
47601
76%
**69
99%
Winchester StaBALL HD
<<locked>>
81%
23772
38%
**88
97%

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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