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Load data for .300 Win. Mag. + .308 | 180gr | Prvi Partizan SP

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.300 Win. Mag. + .308 | 180gr | Prvi Partizan SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Prvi Partizan SP
Manufacturer SKU:
B-066
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.201" | 30.5mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.531" | 13.5mm
Shank Seated Depth:
0.531" | 13.5mm
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_B10957_C380
Last updated:
2025-09-09

Load data for 146 loads in caliber .300 Win. Mag. with .308 | 180gr | Prvi Partizan SP bullet and 73 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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>>
85%
55724
89%
**15
100%
ADI AR 2209
<<locked>>
96%
55985
90%
**10
98%
ADI AR 2213
<<locked>>
97%
51416
82%
**71
96%
[ADI AR 2225]*
<<locked>>
97%
33402
54%
**23
93%
Accurate 2700
<<locked>>
86%
55941
90%
**79
99%
Accurate 3100
<<locked>>
97%
51140
82%
**89
99%
Accurate 4350
<<locked>>
90%
55666
89%
**81
100%
[Accurate MAGPRO]*
<<locked>>
97%
49647
80%
**51
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
55666
89%
**28
100%
Alliant Reloder-16
<<locked>>
92%
55927
90%
**30
100%
Alliant Reloder-17
<<locked>>
87%
55376
89%
**20
100%
Alliant Reloder-19
<<locked>>
96%
55477
89%
**04
98%
Alliant Reloder-22
<<locked>>
97%
50604
81%
**64
98%
Alliant Reloder-23
<<locked>>
97%
47906
77%
**02
100%
Alliant Reloder-25
<<locked>>
97%
41887
67%
**26
99%
Alliant Reloder-26 👍
<<locked>>
97%
55390
89%
**05
100%
Hodgdon H380
<<locked>>
84%
55970
90%
**41
100%
Hodgdon H414
<<locked>>
87%
55753
89%
**94
99%
Hodgdon H4350
<<locked>>
93%
55651
89%
**44
99%
Hodgdon H4831
<<locked>>
97%
47906
77%
**46
95%
Hodgdon H4831 SC
<<locked>>
97%
53983
87%
**58
96%
Hodgdon Hybrid 100V
<<locked>>
94%
56043
90%
**44
100%
Hodgdon LVR
<<locked>>
89%
55390
89%
**77
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33402
54%
**23
93%
Hodgdon Superperformance
<<locked>>
89%
55492
89%
**27
99%
Hodgdon VARGET
<<locked>>
85%
56086
90%
**18
100%
Hodgdon TrailBoss
<<locked>>
97%
35172
56%
**39
100%
IMR 4064
<<locked>>
85%
55608
89%
**05
100%
IMR 4166 Enduron
<<locked>>
86%
55564
89%
**02
99%
IMR 4350
<<locked>>
92%
55985
90%
**54
99%
IMR 4451 Enduron
<<locked>>
87%
55738
89%
**25
99%
IMR 4831 👍
<<locked>>
95%
55361
89%
**61
100%
IMR 4955 Enduron
<<locked>>
97%
53316
85%
**05
96%
IMR 7828 SSC
<<locked>>
97%
52939
85%
**04
97%
Lovex S062
<<locked>>
83%
55883
90%
**95
100%
Lovex S065
<<locked>>
89%
55550
89%
**22
100%
Lovex S070
<<locked>>
90%
55274
89%
**38
99%
Lovex S071
<<locked>>
97%
42714
68%
**48
98%
Norma 204
<<locked>>
91%
55419
89%
**84
98%
Norma MRP
<<locked>>
97%
53534
86%
**53
99%
Norma URP
<<locked>>
91%
55709
89%
**77
100%
Ramshot Hunter 👍
<<locked>>
92%
55782
89%
**07
100%
Ramshot Magnum
<<locked>>
97%
49632
80%
**31
98%
ReloadSwiss RS 14
<<locked>>
97%
35781
57%
**81
100%
ReloadSwiss RS 50
<<locked>>
84%
55767
89%
**31
100%
ReloadSwiss RS 60
<<locked>>
88%
55651
89%
**43
100%
ReloadSwiss RS 62
<<locked>>
90%
55941
90%
**07
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
55651
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
40480
65%
**33
97%
Rottweil R 903
<<locked>>
86%
55303
89%
**15
100%
Rottweil R 904
<<locked>>
95%
55680
89%
**54
97%
Rottweil R 905
<<locked>>
97%
55811
89%
**00
99%
Rottweil R 907
<<locked>>
89%
56130
90%
**31
99%
SNPE Vectan SP 11
<<locked>>
85%
55695
89%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55738
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56072
90%
**89
99%
Shooters World Long Rifle
<<locked>>
89%
55550
89%
**22
100%
Shooters World Precision
<<locked>>
83%
55883
90%
**95
100%
Somchem S355
<<locked>>
86%
56072
90%
**25
100%
Somchem S361
<<locked>>
94%
55608
89%
**18
97%
Somchem S365
<<locked>>
93%
56057
90%
**97
100%
Somchem S385
<<locked>>
96%
55912
90%
**77
99%
Vihtavuori N135
<<locked>>
87%
55782
89%
**33
100%
Vihtavuori N150
<<locked>>
91%
55695
89%
**79
100%
Vihtavuori N160
<<locked>>
88%
55593
89%
**38
100%
Vihtavuori N165
<<locked>>
97%
47601
76%
**26
98%
Vihtavuori N550
<<locked>>
88%
55796
89%
**84
100%
Vihtavuori N555 👍
<<locked>>
97%
53664
86%
**87
100%
Vihtavuori N560
<<locked>>
97%
51140
82%
**97
96%
[Vihtavuori N565]*
<<locked>>
97%
43236
69%
**26
94%
Winchester 6.5 StaBALL
<<locked>>
90%
55999
90%
**22
100%
Winchester 760
<<locked>>
87%
55753
89%
**94
99%
Winchester StaBALL HD
<<locked>>
97%
42728
69%
**58
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49414
79%
**17
100%
[ADI AR 2209]*
<<locked>>
81%
34287
55%
**80
92%
[ADI AR 2213]*
<<locked>>
85%
35099
56%
**13
90%
[ADI AR 2225]*
<<locked>>
93%
29370
47%
**95
90%
Accurate 2700
<<locked>>
81%
47906
77%
**54
98%
[Accurate 3100]*
<<locked>>
81%
29921
48%
**56
94%
Accurate 4350
<<locked>>
81%
40698
65%
**21
99%
[Accurate MAGPRO]*
<<locked>>
90%
39334
63%
**41
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50024
80%
**43
100%
Alliant Reloder-16
<<locked>>
81%
39146
63%
**25
99%
Alliant Reloder-17
<<locked>>
81%
44860
72%
**56
100%
[Alliant Reloder-19]*
<<locked>>
81%
34272
55%
**74
92%
[Alliant Reloder-22]*
<<locked>>
82%
30821
49%
**25
90%
Alliant Reloder-23
<<locked>>
81%
28892
46%
**82
97%
[Alliant Reloder-25]*
<<locked>>
81%
25382
41%
**67
90%
Alliant Reloder-26
<<locked>>
81%
30937
50%
**93
96%
Hodgdon H380
<<locked>>
81%
51024
82%
**66
100%
Hodgdon H414
<<locked>>
81%
46108
74%
**40
98%
Hodgdon H4350
<<locked>>
81%
37855
61%
**10
95%
[Hodgdon H4831]*
<<locked>>
88%
35969
58%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
36143
58%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36825
59%
**23
99%
Hodgdon LVR
<<locked>>
81%
43250
69%
**67
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29370
47%
**95
90%
Hodgdon Superperformance
<<locked>>
81%
41524
67%
**74
97%
Hodgdon VARGET
<<locked>>
81%
49197
79%
**10
100%
Hodgdon TrailBoss
<<locked>>
87%
30530
49%
**50
100%
IMR 4064
<<locked>>
81%
48631
78%
**97
100%
IMR 4166 Enduron
<<locked>>
81%
47587
76%
**67
98%
IMR 4350
<<locked>>
81%
39740
64%
**56
96%
IMR 4451 Enduron
<<locked>>
81%
45905
74%
**61
98%
IMR 4831
<<locked>>
81%
35215
56%
**87
98%
[IMR 4955 Enduron]*
<<locked>>
83%
34940
56%
**41
90%
[IMR 7828 SSC]*
<<locked>>
85%
35099
56%
**30
90%
Lovex S062
<<locked>>
81%
52301
84%
**43
100%
Lovex S065
<<locked>>
81%
43265
69%
**12
99%
Lovex S070
<<locked>>
81%
41466
66%
**89
97%
[Lovex S071]*
<<locked>>
81%
25556
41%
**28
91%
[Norma 204]*
<<locked>>
81%
39247
63%
**82
94%
[Norma MRP]*
<<locked>>
81%
31241
50%
**67
92%
Norma URP
<<locked>>
81%
40030
64%
**02
99%
Ramshot Hunter
<<locked>>
81%
38943
62%
**92
97%
[Ramshot Magnum]*
<<locked>>
83%
29849
48%
**82
90%
ReloadSwiss RS 14
<<locked>>
82%
28993
46%
**40
100%
ReloadSwiss RS 50
<<locked>>
81%
50894
82%
**49
99%
ReloadSwiss RS 60
<<locked>>
81%
43308
69%
**43
100%
ReloadSwiss RS 62
<<locked>>
81%
40234
65%
**31
99%
ReloadSwiss RS 70
<<locked>>
81%
39015
63%
**44
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
30269
49%
**51
90%
Rottweil R 903
<<locked>>
81%
47703
76%
**00
100%
[Rottweil R 904]*
<<locked>>
81%
35621
57%
**64
91%
[Rottweil R 905]*
<<locked>>
81%
33272
53%
**61
92%
Rottweil R 907
<<locked>>
81%
44367
71%
**28
97%
SNPE Vectan SP 11
<<locked>>
81%
48979
79%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48573
78%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42380
68%
**52
97%
Shooters World Long Rifle
<<locked>>
81%
43265
69%
**12
99%
Shooters World Precision
<<locked>>
81%
52301
84%
**43
100%
Somchem S355
<<locked>>
81%
47877
77%
**97
100%
[Somchem S361]*
<<locked>>
81%
36274
58%
**57
91%
Somchem S365
<<locked>>
81%
36361
58%
**62
100%
[Somchem S385]*
<<locked>>
81%
33953
54%
**54
94%
Vihtavuori N135
<<locked>>
81%
46615
75%
**98
100%
Vihtavuori N150
<<locked>>
81%
41191
66%
**49
100%
Vihtavuori N160
<<locked>>
81%
43511
70%
**44
99%
[Vihtavuori N165]*
<<locked>>
82%
29109
47%
**10
90%
Vihtavuori N550
<<locked>>
81%
43874
70%
**87
99%
Vihtavuori N555
<<locked>>
81%
32068
51%
**57
97%
[Vihtavuori N560]*
<<locked>>
86%
35534
57%
**56
90%
[Vihtavuori N565]*
<<locked>>
90%
34519
55%
**30
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40582
65%
**75
100%
Winchester 760
<<locked>>
81%
46108
74%
**40
98%
Winchester StaBALL HD
<<locked>>
81%
25396
41%
**52
96%

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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