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Load data for .300 Win. Mag. + .308 | 147gr | Armscor FMJ

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Win. Mag. + .308 | 147gr | Armscor FMJ

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 147gr | Armscor FMJ
Bullet Weight:
147gr | 9.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B10910_C380
Last updated:
2026-01-20
Recommended Twist Rate:
1:14 - 1:12

Load data for 182 loads in caliber .300 Win. Mag. with .308 | 147gr | Armscor FMJ bullet and 91 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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".

  • No data yet

  • 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 2206H
<<locked>>
83%
56115
90%
**17
100%
ADI AR 2208
<<locked>>
88%
55753
89%
**87
100%
ADI AR 2209
<<locked>>
97%
50763
81%
**74
95%
Accurate 2700
<<locked>>
89%
55579
89%
**28
97%
Accurate 3100
<<locked>>
97%
43439
70%
**07
96%
Accurate 4064
<<locked>>
87%
56057
90%
**81
100%
Accurate 4350
<<locked>>
94%
55317
89%
**50
100%
Alliant Power Pro 2000-MR
<<locked>>
85%
56072
90%
**41
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55970
90%
**10
100%
Alliant Reloder-15
<<locked>>
86%
56043
90%
**36
100%
Alliant Reloder-16 👍
<<locked>>
96%
56043
90%
**12
100%
Alliant Reloder-17
<<locked>>
91%
55666
89%
**15
100%
Alliant Reloder-19
<<locked>>
97%
49705
80%
**54
95%
[Alliant Reloder-22]*
<<locked>>
97%
43337
69%
**66
93%
Alliant Reloder-23
<<locked>>
97%
41017
66%
**30
99%
[Alliant Reloder-25]*
<<locked>>
97%
36318
58%
**15
94%
Alliant Reloder-26
<<locked>>
97%
46543
75%
**20
99%
Baschieri & Pellagri 107
<<locked>>
83%
55767
89%
**23
100%
[Bofors RP15]*
<<locked>>
97%
39958
64%
**90
92%
Bofors RP3
<<locked>>
88%
55550
89%
**10
100%
[Bofors RP5]*
<<locked>>
97%
43337
69%
**66
93%
Bofors RP7
<<locked>>
92%
55956
90%
**97
98%
Hodgdon CFE223
<<locked>>
86%
55593
89%
**56
100%
Hodgdon H380
<<locked>>
87%
55738
89%
**20
99%
Hodgdon H414
<<locked>>
91%
55883
90%
**69
98%
Hodgdon H4350
<<locked>>
97%
54621
88%
**91
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
47152
76%
**72
92%
Hodgdon Hybrid 100V
<<locked>>
97%
53838
86%
**00
100%
Hodgdon LVR
<<locked>>
93%
55593
89%
**59
99%
Hodgdon Superperformance
<<locked>>
93%
55724
89%
**99
98%
Hodgdon VARGET
<<locked>>
89%
55956
90%
**97
100%
Hodgdon TrailBoss
<<locked>>
96%
34316
55%
**16
100%
IMR 3031
<<locked>>
85%
55724
89%
**91
100%
IMR 4064
<<locked>>
89%
55550
89%
**81
100%
IMR 4166 Enduron
<<locked>>
90%
56014
90%
**68
98%
IMR 4350
<<locked>>
96%
56115
90%
**17
98%
IMR 4451 Enduron
<<locked>>
91%
55521
89%
**84
98%
IMR 4831
<<locked>>
97%
50328
81%
**51
99%
IMR 4895
<<locked>>
85%
56115
90%
**36
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47021
75%
**40
92%
[IMR 7828 SSC]*
<<locked>>
97%
46224
74%
**09
92%
Lovex S060
<<locked>>
84%
56043
90%
**54
100%
Lovex S062
<<locked>>
87%
55767
89%
**74
100%
Lovex S065
<<locked>>
93%
55622
89%
**87
99%
Lovex S070
<<locked>>
94%
55303
89%
**07
98%
[Lovex S071]*
<<locked>>
97%
36158
58%
**40
94%
Norma 201
<<locked>>
84%
55666
89%
**64
100%
Norma 202
<<locked>>
83%
55288
89%
**58
100%
Norma 203B
<<locked>>
87%
56130
90%
**27
100%
Norma 204
<<locked>>
95%
55738
89%
**50
96%
Norma MRP
<<locked>>
97%
46166
74%
**64
96%
Norma URP 👍
<<locked>>
95%
55956
90%
**69
100%
Ramshot Big Game
<<locked>>
86%
55622
89%
**36
100%
[Ramshot Grand]*
<<locked>>
97%
48805
78%
**77
93%
Ramshot Hunter
<<locked>>
96%
55753
89%
**76
99%
[Ramshot Magnum]*
<<locked>>
97%
42380
68%
**13
93%
ReloadSwiss RS 14
<<locked>>
96%
34882
56%
**59
100%
ReloadSwiss RS 50
<<locked>>
87%
55477
89%
**91
98%
ReloadSwiss RS 52
<<locked>>
83%
55201
89%
**69
100%
ReloadSwiss RS 60
<<locked>>
90%
55985
90%
**25
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
55506
89%
**82
100%
ReloadSwiss RS 70
<<locked>>
95%
55317
89%
**15
99%
Rottweil R 902
<<locked>>
86%
55883
90%
**68
100%
Rottweil R 903
<<locked>>
90%
55477
89%
**07
100%
[Rottweil R 904]*
<<locked>>
97%
51779
83%
**31
94%
Rottweil R 905
<<locked>>
97%
48791
78%
**41
95%
Rottweil R 907
<<locked>>
92%
55956
90%
**97
98%
SNPE Vectan SP 11
<<locked>>
89%
55753
89%
**46
100%
SNPE Vectan SP 9
<<locked>>
84%
55854
90%
**04
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56072
90%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
56014
90%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
56086
90%
**48
98%
Shooters World Long Rifle
<<locked>>
93%
55622
89%
**87
99%
Shooters World Precision
<<locked>>
87%
55767
89%
**74
100%
Somchem S335
<<locked>>
83%
55564
89%
**89
100%
Somchem S355
<<locked>>
90%
55579
89%
**04
100%
[Somchem S361]*
<<locked>>
97%
53722
86%
**28
94%
Somchem S365 👍
<<locked>>
97%
53838
86%
**63
100%
Somchem S385
<<locked>>
97%
49008
79%
**09
96%
Vihtavuori N133
<<locked>>
85%
55796
89%
**72
100%
Vihtavuori N135
<<locked>>
91%
55448
89%
**22
100%
Vihtavuori N140
<<locked>>
86%
55492
89%
**31
100%
Vihtavuori N150
<<locked>>
95%
55288
89%
**58
100%
Vihtavuori N160
<<locked>>
93%
55535
89%
**10
100%
[Vihtavuori N165]*
<<locked>>
97%
40741
65%
**25
93%
Vihtavuori N540
<<locked>>
86%
55608
89%
**61
100%
Vihtavuori N550 👍
<<locked>>
93%
56101
90%
**63
100%
Vihtavuori N555
<<locked>>
97%
45614
73%
**22
99%
Winchester 6.5 StaBALL
<<locked>>
94%
56028
90%
**91
100%
Winchester 760
<<locked>>
91%
55883
90%
**69
98%
Winchester StaBALL HD
<<locked>>
97%
36854
59%
**33
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51924
83%
**45
100%
ADI AR 2208
<<locked>>
81%
44005
71%
**74
99%
[ADI AR 2209]*
<<locked>>
88%
37898
61%
**92
90%
[Accurate 2700]*
<<locked>>
81%
42308
68%
**82
94%
[Accurate 3100]*
<<locked>>
85%
29283
47%
**49
90%
Accurate 4064
<<locked>>
81%
46064
74%
**17
100%
Accurate 4350
<<locked>>
81%
34577
55%
**30
95%
Alliant Power Pro 2000-MR
<<locked>>
81%
48124
77%
**97
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
44019
71%
**97
99%
Alliant Reloder-15
<<locked>>
81%
47297
76%
**76
99%
Alliant Reloder-16
<<locked>>
81%
34185
55%
**40
95%
Alliant Reloder-17
<<locked>>
81%
38522
62%
**81
99%
[Alliant Reloder-19]*
<<locked>>
88%
36796
59%
**69
90%
[Alliant Reloder-22]*
<<locked>>
92%
36999
59%
**15
90%
[Alliant Reloder-23]*
<<locked>>
81%
24961
40%
**51
91%
[Alliant Reloder-25]*
<<locked>>
91%
30443
49%
**38
90%
[Alliant Reloder-26]*
<<locked>>
83%
28572
46%
**25
90%
Baschieri & Pellagri 107
<<locked>>
81%
51517
83%
**51
99%
[Bofors RP15]*
<<locked>>
94%
36985
59%
**12
90%
Bofors RP3
<<locked>>
81%
44222
71%
**13
100%
[Bofors RP5]*
<<locked>>
92%
36999
59%
**15
90%
[Bofors RP7]*
<<locked>>
81%
39276
63%
**62
93%
Hodgdon CFE223
<<locked>>
81%
46267
74%
**92
99%
Hodgdon H380
<<locked>>
81%
45165
72%
**23
98%
[Hodgdon H414]*
<<locked>>
81%
40045
64%
**61
94%
[Hodgdon H4350]*
<<locked>>
81%
33794
54%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
43497
70%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31705
51%
**28
96%
Hodgdon LVR
<<locked>>
81%
37666
60%
**92
95%
[Hodgdon Superperformance]*
<<locked>>
81%
35940
58%
**66
91%
Hodgdon VARGET
<<locked>>
81%
43845
70%
**74
99%
Hodgdon TrailBoss
<<locked>>
81%
27224
44%
**55
100%
IMR 3031
<<locked>>
81%
48399
78%
**76
100%
IMR 4064
<<locked>>
81%
43207
69%
**54
99%
IMR 4166 Enduron
<<locked>>
81%
42728
69%
**15
95%
[IMR 4350]*
<<locked>>
81%
35056
56%
**74
91%
[IMR 4451 Enduron]*
<<locked>>
81%
40828
65%
**92
94%
[IMR 4831]*
<<locked>>
81%
30284
49%
**95
93%
IMR 4895
<<locked>>
81%
48588
78%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
93%
41916
67%
**28
90%
[IMR 7828 SSC]*
<<locked>>
95%
42612
68%
**27
90%
Lovex S060
<<locked>>
81%
51126
82%
**72
100%
Lovex S062
<<locked>>
81%
46383
74%
**20
100%
Lovex S065
<<locked>>
81%
38174
61%
**40
95%
[Lovex S070]*
<<locked>>
81%
36477
58%
**17
93%
[Lovex S071]*
<<locked>>
90%
29283
47%
**49
90%
Norma 201
<<locked>>
81%
50763
81%
**89
100%
Norma 202
<<locked>>
81%
51300
82%
**89
100%
Norma 203B
<<locked>>
81%
46804
75%
**66
99%
[Norma 204]*
<<locked>>
83%
37173
60%
**59
90%
[Norma MRP]*
<<locked>>
88%
33533
54%
**49
90%
Norma URP
<<locked>>
81%
34751
56%
**33
95%
Ramshot Big Game
<<locked>>
81%
46731
75%
**76
99%
[Ramshot Grand]*
<<locked>>
93%
41698
67%
**17
90%
[Ramshot Hunter]*
<<locked>>
81%
33881
54%
**03
92%
[Ramshot Magnum]*
<<locked>>
92%
35853
57%
**56
90%
ReloadSwiss RS 14
<<locked>>
81%
27731
44%
**98
100%
ReloadSwiss RS 50
<<locked>>
81%
45252
73%
**04
96%
ReloadSwiss RS 52
<<locked>>
81%
50807
81%
**00
100%
ReloadSwiss RS 60
<<locked>>
81%
41104
66%
**53
100%
ReloadSwiss RS 62
<<locked>>
81%
34214
55%
**43
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33982
54%
**33
93%
Rottweil R 902
<<locked>>
81%
48515
78%
**33
100%
Rottweil R 903
<<locked>>
81%
41742
67%
**48
99%
[Rottweil R 904]*
<<locked>>
89%
40785
65%
**12
90%
[Rottweil R 905]*
<<locked>>
88%
36071
58%
**53
90%
[Rottweil R 907]*
<<locked>>
81%
39276
63%
**62
93%
SNPE Vectan SP 11
<<locked>>
81%
42728
69%
**00
99%
SNPE Vectan SP 9
<<locked>>
81%
50401
81%
**09
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51837
83%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43424
70%
**79
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37565
60%
**80
93%
Shooters World Long Rifle
<<locked>>
81%
38174
61%
**40
95%
Shooters World Precision
<<locked>>
81%
46383
74%
**20
100%
Somchem S335
<<locked>>
81%
51372
82%
**20
100%
Somchem S355
<<locked>>
81%
42119
68%
**51
99%
[Somchem S361]*
<<locked>>
90%
43207
69%
**31
90%
Somchem S365
<<locked>>
81%
31125
50%
**74
97%
[Somchem S385]*
<<locked>>
85%
33170
53%
**57
90%
Vihtavuori N133
<<locked>>
81%
48776
78%
**64
100%
Vihtavuori N135
<<locked>>
81%
41118
66%
**79
100%
Vihtavuori N140
<<locked>>
81%
47964
77%
**07
100%
Vihtavuori N150
<<locked>>
81%
35926
58%
**87
99%
Vihtavuori N160
<<locked>>
81%
37565
60%
**62
96%
[Vihtavuori N165]*
<<locked>>
92%
34867
56%
**84
90%
Vihtavuori N540
<<locked>>
81%
47674
76%
**33
100%
Vihtavuori N550
<<locked>>
81%
38348
61%
**12
96%
[Vihtavuori N555]*
<<locked>>
81%
26890
43%
**39
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35563
57%
**03
98%
[Winchester 760]*
<<locked>>
81%
40045
64%
**61
94%
[Winchester StaBALL HD]*
<<locked>>
85%
24932
40%
**00
90%

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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