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

Recommended Powder(s):

.300 Weath. 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:
<<locked>>
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5897_C379
Last updated:
2026-01-30

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 180gr | Sierra RN Prohunter bullet and 71 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>>
92%
56768
89%
**69
99%
ADI AR 2213
<<locked>>
96%
57029
89%
**12
98%
ADI AR 2217
<<locked>>
97%
43134
68%
**40
95%
ADI AR 2225
<<locked>>
97%
38421
60%
**00
97%
Accurate 2700
<<locked>>
83%
57276
90%
**54
100%
Accurate 3100
<<locked>>
96%
57392
90%
**20
100%
Accurate 4350
<<locked>>
87%
57290
90%
**36
100%
Accurate MAGPRO
<<locked>>
96%
57029
89%
**18
97%
Alliant Reloder-16
<<locked>>
89%
56956
89%
**76
100%
Alliant Reloder-17
<<locked>>
84%
56913
89%
**72
100%
Alliant Reloder-19 👍
<<locked>>
93%
57334
90%
**76
99%
Alliant Reloder-22
<<locked>>
96%
56956
89%
**02
99%
Alliant Reloder-23
<<locked>>
97%
56086
88%
**56
100%
Alliant Reloder-25
<<locked>>
97%
48675
76%
**00
100%
Alliant Reloder-26 👍
<<locked>>
93%
57290
90%
**58
100%
Baschieri & Pellagri 109
<<locked>>
97%
57392
90%
**46
96%
Bofors RP15
<<locked>>
97%
54056
85%
**66
99%
Bofors RP30
<<locked>>
97%
44527
70%
**15
96%
Bofors RP5
<<locked>>
96%
56956
89%
**02
99%
Bofors RP7
<<locked>>
86%
57392
90%
**00
100%
Hodgdon H1000
<<locked>>
97%
43134
68%
**40
95%
Hodgdon H414
<<locked>>
83%
56913
89%
**63
100%
Hodgdon H4350
<<locked>>
90%
57130
90%
**17
100%
Hodgdon H4831
<<locked>>
97%
54534
85%
**10
97%
Hodgdon H4831 SC
<<locked>>
94%
57029
89%
**53
98%
Hodgdon Hybrid 100V
<<locked>>
91%
57188
90%
**97
100%
Hodgdon LVR
<<locked>>
86%
56985
89%
**36
100%
Hodgdon Retumbo
<<locked>>
97%
38421
60%
**00
97%
Hodgdon Superperformance
<<locked>>
86%
57246
90%
**89
100%
Hodgdon TrailBoss
<<locked>>
96%
35302
55%
**95
100%
IMR 4166 Enduron
<<locked>>
84%
56869
89%
**74
100%
IMR 4350
<<locked>>
89%
57159
90%
**17
100%
IMR 4451 Enduron
<<locked>>
85%
56869
89%
**90
100%
IMR 4831
<<locked>>
92%
56927
89%
**20
100%
IMR 4955 Enduron
<<locked>>
95%
56884
89%
**17
98%
IMR 7828 SSC
<<locked>>
95%
57145
90%
**25
98%
Lovex S065
<<locked>>
87%
57392
90%
**94
100%
Lovex S070
<<locked>>
88%
57174
90%
**07
100%
Lovex S071
<<locked>>
97%
49400
77%
**95
100%
Norma 204
<<locked>>
88%
57058
89%
**53
99%
[Norma 217]*
<<locked>>
97%
34258
54%
**12
94%
Norma MRP 👍
<<locked>>
94%
56913
89%
**28
100%
Norma URP
<<locked>>
88%
57014
89%
**33
100%
Ramshot Grand
<<locked>>
93%
57188
90%
**38
99%
Ramshot Hunter
<<locked>>
89%
57058
89%
**56
100%
Ramshot Magnum
<<locked>>
96%
56623
89%
**86
100%
ReloadSwiss RS 14
<<locked>>
96%
36027
56%
**34
100%
ReloadSwiss RS 62
<<locked>>
87%
56768
89%
**49
100%
ReloadSwiss RS 70
<<locked>>
88%
57130
90%
**05
100%
ReloadSwiss RS 76
<<locked>>
97%
47413
74%
**36
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42946
67%
**05
94%
Rottweil R 904
<<locked>>
92%
56739
89%
**13
98%
Rottweil R 905 👍
<<locked>>
93%
57072
89%
**66
99%
Rottweil R 907
<<locked>>
86%
57392
90%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57145
90%
**48
100%
Shooters World Long Rifle
<<locked>>
87%
57392
90%
**94
100%
Somchem S361
<<locked>>
91%
56942
89%
**94
98%
Somchem S365
<<locked>>
90%
56565
89%
**33
100%
Somchem S385
<<locked>>
93%
57232
90%
**30
100%
Vihtavuori N135
<<locked>>
84%
57130
90%
**85
100%
Vihtavuori N150
<<locked>>
88%
56942
89%
**38
100%
Vihtavuori N160
<<locked>>
86%
57043
89%
**04
100%
Vihtavuori N165
<<locked>>
97%
54636
86%
**77
99%
Vihtavuori N550
<<locked>>
85%
57217
90%
**40
100%
Vihtavuori N555
<<locked>>
94%
57203
90%
**66
100%
Vihtavuori N560
<<locked>>
96%
56913
89%
**31
98%
Vihtavuori N565
<<locked>>
97%
50517
79%
**07
97%
[Vihtavuori N568]*
<<locked>>
97%
44193
69%
**15
93%
Winchester 6.5 StaBALL
<<locked>>
87%
57087
89%
**71
100%
Winchester 760
<<locked>>
83%
56913
89%
**63
100%
Winchester StaBALL HD
<<locked>>
97%
52808
83%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38682
61%
**21
95%
[ADI AR 2213]*
<<locked>>
81%
34563
54%
**43
91%
[ADI AR 2217]*
<<locked>>
89%
33069
52%
**97
90%
[ADI AR 2225]*
<<locked>>
87%
27702
43%
**75
90%
Accurate 2700
<<locked>>
81%
52678
83%
**79
99%
Accurate 3100
<<locked>>
81%
34461
54%
**97
97%
Accurate 4350
<<locked>>
81%
46354
73%
**62
100%
[Accurate MAGPRO]*
<<locked>>
84%
36709
58%
**18
90%
Alliant Reloder-16
<<locked>>
81%
44498
70%
**69
100%
Alliant Reloder-17
<<locked>>
81%
51401
81%
**94
100%
Alliant Reloder-19
<<locked>>
81%
38682
61%
**21
95%
[Alliant Reloder-22]*
<<locked>>
81%
34476
54%
**52
93%
Alliant Reloder-23
<<locked>>
81%
33098
52%
**20
99%
[Alliant Reloder-25]*
<<locked>>
81%
28877
45%
**21
94%
Alliant Reloder-26
<<locked>>
81%
36071
57%
**61
98%
[Baschieri & Pellagri 109]*
<<locked>>
86%
41089
64%
**21
90%
[Bofors RP15]*
<<locked>>
81%
31981
50%
**87
92%
[Bofors RP30]*
<<locked>>
86%
31096
49%
**87
90%
[Bofors RP5]*
<<locked>>
81%
34476
54%
**52
93%
Bofors RP7
<<locked>>
81%
49385
77%
**72
99%
[Hodgdon H1000]*
<<locked>>
89%
33069
52%
**97
90%
Hodgdon H414
<<locked>>
81%
52388
82%
**84
99%
Hodgdon H4350
<<locked>>
81%
42569
67%
**51
97%
[Hodgdon H4831]*
<<locked>>
82%
33388
52%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36230
57%
**46
92%
Hodgdon Hybrid 100V
<<locked>>
81%
41989
66%
**51
100%
Hodgdon LVR
<<locked>>
81%
48762
76%
**02
100%
[Hodgdon Retumbo]*
<<locked>>
87%
27702
43%
**75
90%
Hodgdon Superperformance
<<locked>>
81%
47587
75%
**31
99%
Hodgdon TrailBoss
<<locked>>
81%
28282
44%
**47
100%
IMR 4166 Enduron
<<locked>>
81%
52518
82%
**02
99%
IMR 4350
<<locked>>
81%
44614
70%
**94
98%
IMR 4451 Enduron
<<locked>>
81%
50734
79%
**92
99%
IMR 4831
<<locked>>
81%
40248
63%
**31
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36477
57%
**13
92%
[IMR 7828 SSC]*
<<locked>>
81%
35259
55%
**69
92%
Lovex S065
<<locked>>
81%
48211
76%
**40
100%
Lovex S070
<<locked>>
81%
46369
73%
**26
99%
[Lovex S071]*
<<locked>>
81%
29559
46%
**62
94%
Norma 204
<<locked>>
81%
44730
70%
**36
97%
[Norma 217]*
<<locked>>
90%
27949
44%
**21
90%
Norma MRP
<<locked>>
81%
35795
56%
**15
96%
Norma URP
<<locked>>
81%
45353
71%
**43
100%
[Ramshot Grand]*
<<locked>>
81%
36492
57%
**18
93%
Ramshot Hunter
<<locked>>
81%
44353
70%
**36
99%
[Ramshot Magnum]*
<<locked>>
81%
31821
50%
**84
93%
ReloadSwiss RS 14
<<locked>>
81%
28921
45%
**86
100%
ReloadSwiss RS 62
<<locked>>
81%
46311
73%
**85
100%
ReloadSwiss RS 70
<<locked>>
81%
44541
70%
**92
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28123
44%
**15
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
35781
56%
**38
90%
[Rottweil R 904]*
<<locked>>
81%
40089
63%
**05
94%
Rottweil R 905
<<locked>>
81%
37971
59%
**05
95%
Rottweil R 907
<<locked>>
81%
49385
77%
**72
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47108
74%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
48211
76%
**40
100%
[Somchem S361]*
<<locked>>
81%
40857
64%
**98
94%
Somchem S365
<<locked>>
81%
42424
66%
**07
100%
Somchem S385
<<locked>>
81%
38624
61%
**95
96%
Vihtavuori N135
<<locked>>
81%
51909
81%
**17
100%
Vihtavuori N150
<<locked>>
81%
45788
72%
**61
100%
Vihtavuori N160
<<locked>>
81%
48805
76%
**72
100%
[Vihtavuori N165]*
<<locked>>
81%
32256
51%
**34
93%
Vihtavuori N550
<<locked>>
81%
49617
78%
**18
100%
Vihtavuori N555
<<locked>>
81%
37130
58%
**05
99%
[Vihtavuori N560]*
<<locked>>
81%
34548
54%
**66
91%
[Vihtavuori N565]*
<<locked>>
84%
32808
51%
**16
90%
[Vihtavuori N568]*
<<locked>>
92%
36825
58%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46180
72%
**03
100%
Winchester 760
<<locked>>
81%
52388
82%
**84
99%
Winchester StaBALL HD
<<locked>>
81%
28558
45%
**26
99%

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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