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Load data for .300 Win. Mag. + .308 | 180gr | A-Square MONO RN

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

.300 Win. Mag. + .308 | 180gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | A-Square MONO RN
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.030" | 26.2mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.360" | 9.1mm
Shank Seated Depth:
0.360" | 9.1mm
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_B379_C380
Last updated:
2025-01-01

Load data for 144 loads in caliber .300 Win. Mag. with .308 | 180gr | A-Square MONO RN bullet and 72 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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  • .

    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.

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%
56043
90%
**28
100%
ADI AR 2209
<<locked>>
94%
55448
89%
**20
99%
ADI AR 2213
<<locked>>
97%
54346
87%
**33
97%
[ADI AR 2217]*
<<locked>>
97%
39682
64%
**25
93%
ADI AR 2225
<<locked>>
97%
35186
56%
**85
95%
Accurate 2700
<<locked>>
84%
55593
89%
**92
99%
Accurate 3100
<<locked>>
97%
54273
87%
**51
100%
Accurate 4350
<<locked>>
89%
56115
90%
**87
100%
Accurate MAGPRO
<<locked>>
97%
52968
85%
**20
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
55811
89%
**38
100%
Alliant Reloder-16
<<locked>>
91%
55970
90%
**33
100%
Alliant Reloder-17
<<locked>>
86%
56115
90%
**40
100%
Alliant Reloder-19
<<locked>>
95%
55492
89%
**20
99%
Alliant Reloder-22
<<locked>>
97%
53780
86%
**27
98%
Alliant Reloder-23
<<locked>>
97%
50981
82%
**61
100%
Alliant Reloder-25
<<locked>>
97%
44092
71%
**82
99%
Alliant Reloder-26 👍
<<locked>>
95%
55347
89%
**09
100%
[Hodgdon H1000]*
<<locked>>
97%
39682
64%
**25
93%
Hodgdon H414
<<locked>>
85%
55564
89%
**04
100%
Hodgdon H4350
<<locked>>
92%
55738
89%
**58
99%
Hodgdon H4831
<<locked>>
97%
49922
80%
**99
96%
Hodgdon H4831 SC
<<locked>>
96%
55579
89%
**97
97%
Hodgdon Hybrid 100V
<<locked>>
92%
55666
89%
**51
100%
Hodgdon LVR
<<locked>>
87%
55579
89%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
35186
56%
**85
95%
Hodgdon Superperformance
<<locked>>
88%
56086
90%
**46
99%
Hodgdon VARGET
<<locked>>
84%
55579
89%
**25
100%
Hodgdon TrailBoss
<<locked>>
97%
35288
57%
**55
100%
IMR 4064
<<locked>>
84%
56043
90%
**22
100%
IMR 4166 Enduron
<<locked>>
85%
55956
90%
**18
100%
IMR 4350
<<locked>>
90%
55724
89%
**54
99%
IMR 4451 Enduron
<<locked>>
86%
55912
90%
**44
99%
IMR 4831 👍
<<locked>>
94%
55651
89%
**71
100%
IMR 4955 Enduron
<<locked>>
97%
55143
88%
**48
97%
IMR 7828 SSC
<<locked>>
97%
56072
90%
**79
98%
Lovex S065
<<locked>>
88%
55637
89%
**35
100%
Lovex S070
<<locked>>
89%
55927
90%
**54
100%
Lovex S071
<<locked>>
97%
45005
72%
**97
99%
Norma 204
<<locked>>
90%
55680
89%
**90
98%
[Norma 217]*
<<locked>>
97%
31067
50%
**90
92%
Norma MRP
<<locked>>
96%
55564
89%
**92
100%
Norma URP
<<locked>>
90%
55579
89%
**87
100%
Ramshot Hunter 👍
<<locked>>
90%
55709
89%
**13
100%
Ramshot Magnum
<<locked>>
97%
52098
84%
**90
99%
ReloadSwiss RS 14
<<locked>>
96%
35665
57%
**95
100%
ReloadSwiss RS 60
<<locked>>
87%
55535
89%
**49
100%
ReloadSwiss RS 62
<<locked>>
89%
55463
89%
**07
100%
ReloadSwiss RS 70
<<locked>>
90%
55637
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
43308
69%
**18
98%
Rottweil R 903
<<locked>>
84%
55550
89%
**31
100%
Rottweil R 904
<<locked>>
93%
55709
89%
**64
98%
Rottweil R 905
<<locked>>
95%
55782
89%
**13
99%
Rottweil R 907
<<locked>>
87%
55985
90%
**48
99%
SNPE Vectan SP 11
<<locked>>
84%
55753
89%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56086
90%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55738
89%
**95
100%
Shooters World Long Rifle
<<locked>>
88%
55637
89%
**35
100%
Somchem S355
<<locked>>
85%
55956
90%
**35
100%
Somchem S361
<<locked>>
93%
55999
90%
**38
97%
Somchem S365
<<locked>>
92%
55840
90%
**97
100%
Somchem S385
<<locked>>
95%
55317
89%
**71
99%
Vihtavuori N135
<<locked>>
85%
55245
89%
**33
100%
Vihtavuori N150
<<locked>>
89%
55680
89%
**92
100%
Vihtavuori N160
<<locked>>
87%
55985
90%
**58
100%
Vihtavuori N165
<<locked>>
97%
50082
80%
**79
98%
Vihtavuori N550
<<locked>>
87%
55622
89%
**90
100%
Vihtavuori N555 👍
<<locked>>
96%
55521
89%
**20
100%
Vihtavuori N560
<<locked>>
97%
53461
86%
**40
97%
Vihtavuori N565
<<locked>>
97%
46064
74%
**89
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55753
89%
**28
100%
Winchester 760
<<locked>>
85%
55564
89%
**04
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46833
75%
**27
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51271
82%
**56
100%
[ADI AR 2209]*
<<locked>>
81%
35955
58%
**30
93%
[ADI AR 2213]*
<<locked>>
83%
34780
56%
**10
90%
[ADI AR 2217]*
<<locked>>
93%
34780
56%
**03
90%
[ADI AR 2225]*
<<locked>>
90%
28906
46%
**88
90%
Accurate 2700
<<locked>>
81%
49719
80%
**97
98%
Accurate 3100
<<locked>>
81%
31531
51%
**05
95%
Accurate 4350
<<locked>>
81%
42699
68%
**64
99%
[Accurate MAGPRO]*
<<locked>>
88%
38580
62%
**31
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52475
84%
**82
100%
Alliant Reloder-16
<<locked>>
81%
41118
66%
**74
99%
Alliant Reloder-17
<<locked>>
81%
47210
76%
**02
100%
[Alliant Reloder-19]*
<<locked>>
81%
35810
57%
**20
93%
[Alliant Reloder-22]*
<<locked>>
81%
31734
51%
**61
91%
Alliant Reloder-23
<<locked>>
81%
30313
49%
**31
98%
[Alliant Reloder-25]*
<<locked>>
81%
26716
43%
**20
92%
Alliant Reloder-26
<<locked>>
81%
32866
53%
**56
97%
[Hodgdon H1000]*
<<locked>>
93%
34780
56%
**03
90%
Hodgdon H414
<<locked>>
81%
48269
77%
**85
99%
Hodgdon H4350
<<locked>>
81%
39552
63%
**59
96%
[Hodgdon H4831]*
<<locked>>
86%
35534
57%
**90
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35534
57%
**90
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38580
62%
**66
100%
Hodgdon LVR
<<locked>>
81%
45165
72%
**07
99%
[Hodgdon Retumbo]*
<<locked>>
90%
28906
46%
**88
90%
Hodgdon Superperformance
<<locked>>
81%
43584
70%
**26
97%
Hodgdon VARGET
<<locked>>
81%
50952
82%
**53
100%
Hodgdon TrailBoss
<<locked>>
85%
29704
48%
**44
100%
IMR 4064
<<locked>>
81%
50546
81%
**30
100%
IMR 4166 Enduron
<<locked>>
81%
49269
79%
**10
99%
IMR 4350
<<locked>>
81%
41582
67%
**98
97%
IMR 4451 Enduron
<<locked>>
81%
47543
76%
**00
98%
IMR 4831
<<locked>>
81%
37159
60%
**33
98%
[IMR 4955 Enduron]*
<<locked>>
81%
34548
55%
**38
90%
[IMR 7828 SSC]*
<<locked>>
83%
34243
55%
**16
90%
Lovex S065
<<locked>>
81%
44976
72%
**54
99%
Lovex S070
<<locked>>
81%
43323
69%
**38
98%
[Lovex S071]*
<<locked>>
81%
27151
44%
**74
92%
Norma 204
<<locked>>
81%
41133
66%
**35
95%
[Norma 217]*
<<locked>>
94%
28906
46%
**28
90%
[Norma MRP]*
<<locked>>
81%
32953
53%
**16
94%
Norma URP
<<locked>>
81%
42264
68%
**61
99%
Ramshot Hunter
<<locked>>
81%
40756
65%
**41
98%
[Ramshot Magnum]*
<<locked>>
81%
29008
47%
**72
90%
ReloadSwiss RS 14
<<locked>>
81%
28558
46%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
45382
73%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
42612
68%
**84
99%
ReloadSwiss RS 70
<<locked>>
81%
41176
66%
**97
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
29327
47%
**25
90%
Rottweil R 903
<<locked>>
81%
50067
80%
**49
100%
[Rottweil R 904]*
<<locked>>
81%
37231
60%
**10
92%
[Rottweil R 905]*
<<locked>>
81%
34954
56%
**10
93%
Rottweil R 907
<<locked>>
81%
46267
74%
**74
98%
SNPE Vectan SP 11
<<locked>>
81%
51024
82%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50546
81%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44353
71%
**98
98%
Shooters World Long Rifle
<<locked>>
81%
44976
72%
**54
99%
Somchem S355
<<locked>>
81%
49821
80%
**33
100%
[Somchem S361]*
<<locked>>
81%
38130
61%
**07
92%
Somchem S365
<<locked>>
81%
38696
62%
**12
100%
Somchem S385
<<locked>>
81%
35694
57%
**00
95%
Vihtavuori N135
<<locked>>
81%
48515
78%
**41
100%
Vihtavuori N150
<<locked>>
81%
42801
69%
**82
100%
Vihtavuori N160
<<locked>>
81%
45498
73%
**80
100%
[Vihtavuori N165]*
<<locked>>
81%
29834
48%
**43
91%
Vihtavuori N550
<<locked>>
81%
45992
74%
**26
100%
Vihtavuori N555
<<locked>>
81%
33939
54%
**10
98%
[Vihtavuori N560]*
<<locked>>
84%
34824
56%
**43
90%
[Vihtavuori N565]*
<<locked>>
88%
33997
55%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42511
68%
**21
100%
Winchester 760
<<locked>>
81%
48269
77%
**85
99%
Winchester StaBALL HD
<<locked>>
81%
24569
39%
**18
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.

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