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Load data for .300 Weath. Mag. + .308 | 143gr | Armscor FMJ

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Recommended Powder(s): Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550

.300 Weath. Mag. + .308 | 143gr | Armscor FMJ

Load Specifications

Bullet:
.308 | 143gr | Armscor FMJ
Bullet Weight:
143gr | 9.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.124" | 28.5mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.441" | 11.2mm
Shank Seated Depth:
0.304" | 7.7mm
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_B10910_C379

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 160 loads in caliber .300 Weath. Mag. with .308 | 143gr | Armscor FMJ bullet and 80 powders such as Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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>>
87%
57130
90%
**82
100%
ADI AR 2209
<<locked>>
97%
54795
86%
**19
97%
[ADI AR 2213]*
<<locked>>
97%
49313
77%
**46
94%
Accurate 2700
<<locked>>
88%
56898
89%
**23
98%
Accurate 3100
<<locked>>
97%
48124
75%
**58
98%
Accurate 4064
<<locked>>
85%
56797
89%
**53
100%
Accurate 4350 👍
<<locked>>
92%
56623
89%
**45
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57377
90%
**09
100%
Alliant Reloder-15
<<locked>>
85%
57363
90%
**19
100%
Alliant Reloder-16 👍
<<locked>>
94%
56855
89%
**94
100%
Alliant Reloder-17
<<locked>>
90%
57421
90%
**07
100%
Alliant Reloder-19
<<locked>>
97%
54186
85%
**12
97%
Alliant Reloder-22
<<locked>>
97%
48037
75%
**36
95%
Alliant Reloder-23
<<locked>>
97%
45223
71%
**87
100%
Alliant Reloder-25
<<locked>>
97%
39711
62%
**66
96%
Alliant Reloder-26
<<locked>>
97%
51619
81%
**84
100%
Hodgdon CFE223
<<locked>>
85%
57232
90%
**51
100%
Hodgdon H380
<<locked>>
86%
57159
90%
**05
100%
Hodgdon H414
<<locked>>
89%
56869
89%
**55
99%
Hodgdon H4350
<<locked>>
96%
57058
89%
**05
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
51735
81%
**40
94%
Hodgdon Hybrid 100V
<<locked>>
96%
57101
89%
**12
100%
Hodgdon LVR
<<locked>>
91%
56826
89%
**45
100%
Hodgdon Superperformance
<<locked>>
91%
56811
89%
**84
98%
Hodgdon VARGET
<<locked>>
87%
57130
90%
**82
100%
Hodgdon TrailBoss
<<locked>>
96%
34403
54%
**88
100%
IMR 3031
<<locked>>
84%
56869
89%
**76
100%
IMR 4064
<<locked>>
88%
57276
90%
**89
100%
IMR 4166 Enduron
<<locked>>
88%
56695
89%
**63
98%
IMR 4350
<<locked>>
94%
57087
89%
**05
98%
IMR 4451 Enduron
<<locked>>
89%
57014
89%
**86
98%
IMR 4831
<<locked>>
97%
54882
86%
**99
100%
IMR 4895
<<locked>>
84%
56797
89%
**22
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50981
80%
**81
94%
[IMR 7828 SSC]*
<<locked>>
97%
50328
79%
**76
94%
Lovex S062
<<locked>>
85%
56942
89%
**63
100%
Lovex S065
<<locked>>
92%
57072
89%
**92
99%
Lovex S070
<<locked>>
93%
56739
89%
**02
99%
Lovex S071
<<locked>>
97%
40234
63%
**97
96%
Norma 203B
<<locked>>
85%
57348
90%
**19
100%
Norma 204
<<locked>>
93%
57188
90%
**48
97%
Norma MRP
<<locked>>
97%
51126
80%
**38
98%
Norma URP
<<locked>>
93%
56724
89%
**45
100%
Ramshot Big Game
<<locked>>
84%
57087
89%
**28
100%
Ramshot Hunter
<<locked>>
94%
56652
89%
**55
99%
Ramshot Magnum
<<locked>>
97%
46789
73%
**77
96%
ReloadSwiss RS 14
<<locked>>
97%
35404
55%
**44
100%
ReloadSwiss RS 50
<<locked>>
86%
57000
89%
**86
99%
ReloadSwiss RS 52
<<locked>>
85%
57377
90%
**35
100%
ReloadSwiss RS 60
<<locked>>
90%
56826
89%
**23
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57014
89%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
56985
89%
**27
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38319
60%
**46
92%
Rottweil R 902
<<locked>>
84%
56782
89%
**50
100%
Rottweil R 903
<<locked>>
88%
56927
89%
**96
100%
Rottweil R 904
<<locked>>
97%
56666
89%
**92
96%
Rottweil R 905
<<locked>>
97%
53388
84%
**96
97%
Rottweil R 907
<<locked>>
90%
56956
89%
**92
98%
SNPE Vectan SP 11
<<locked>>
87%
56840
89%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
57145
90%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57290
90%
**33
99%
Shooters World Long Rifle
<<locked>>
92%
57072
89%
**92
99%
Shooters World Precision
<<locked>>
85%
56942
89%
**63
100%
Somchem S355
<<locked>>
88%
57014
89%
**99
100%
Somchem S361
<<locked>>
96%
57363
90%
**69
95%
Somchem S365
<<locked>>
96%
56985
89%
**61
100%
Somchem S385
<<locked>>
97%
54288
85%
**73
98%
Vihtavuori N133
<<locked>>
84%
57188
90%
**64
100%
Vihtavuori N135
<<locked>>
89%
57029
89%
**07
100%
Vihtavuori N140
<<locked>>
84%
57319
90%
**20
100%
Vihtavuori N150
<<locked>>
93%
56884
89%
**43
100%
Vihtavuori N160
<<locked>>
91%
57029
89%
**02
100%
Vihtavuori N165
<<locked>>
97%
44527
70%
**76
95%
Vihtavuori N540
<<locked>>
85%
57334
90%
**56
100%
Vihtavuori N550 👍
<<locked>>
91%
57246
90%
**51
100%
Vihtavuori N555
<<locked>>
97%
50575
79%
**69
100%
[Vihtavuori N560]*
<<locked>>
97%
48327
76%
**59
93%
Winchester 6.5 StaBALL
<<locked>>
92%
57058
89%
**76
100%
Winchester 760
<<locked>>
89%
56869
89%
**55
99%
Winchester StaBALL HD
<<locked>>
97%
39059
61%
**10
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47239
74%
**12
99%
[ADI AR 2209]*
<<locked>>
84%
36230
57%
**12
90%
[ADI AR 2213]*
<<locked>>
91%
40959
64%
**53
90%
Accurate 2700
<<locked>>
81%
45527
71%
**17
95%
[Accurate 3100]*
<<locked>>
82%
28616
45%
**82
90%
Accurate 4064
<<locked>>
81%
49864
78%
**38
100%
Accurate 4350
<<locked>>
81%
38043
60%
**74
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47355
74%
**28
100%
Alliant Reloder-15
<<locked>>
81%
50937
80%
**17
100%
Alliant Reloder-16
<<locked>>
81%
36927
58%
**77
97%
Alliant Reloder-17
<<locked>>
81%
42076
66%
**22
99%
[Alliant Reloder-19]*
<<locked>>
84%
35984
56%
**05
90%
[Alliant Reloder-22]*
<<locked>>
88%
35897
56%
**44
90%
[Alliant Reloder-23]*
<<locked>>
81%
27137
43%
**92
93%
[Alliant Reloder-25]*
<<locked>>
88%
29486
46%
**64
90%
[Alliant Reloder-26]*
<<locked>>
81%
28993
45%
**87
91%
Hodgdon CFE223
<<locked>>
81%
50154
79%
**30
99%
Hodgdon H380
<<locked>>
81%
48356
76%
**51
99%
Hodgdon H414
<<locked>>
81%
43642
68%
**99
96%
[Hodgdon H4350]*
<<locked>>
81%
35839
56%
**56
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
41989
66%
**20
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34345
54%
**59
97%
Hodgdon LVR
<<locked>>
81%
40857
64%
**23
97%
[Hodgdon Superperformance]*
<<locked>>
81%
39233
61%
**23
93%
Hodgdon VARGET
<<locked>>
81%
46688
73%
**99
99%
Hodgdon TrailBoss
<<locked>>
81%
27456
43%
**24
100%
IMR 3031
<<locked>>
81%
52098
82%
**00
100%
IMR 4064
<<locked>>
81%
46267
72%
**86
99%
IMR 4166 Enduron
<<locked>>
81%
45469
71%
**46
96%
[IMR 4350]*
<<locked>>
81%
37608
59%
**05
93%
IMR 4451 Enduron
<<locked>>
81%
43555
68%
**23
95%
IMR 4831
<<locked>>
81%
33054
52%
**26
95%
IMR 4895
<<locked>>
81%
52330
82%
**43
100%
[IMR 4955 Enduron]*
<<locked>>
90%
40669
64%
**64
90%
[IMR 7828 SSC]*
<<locked>>
91%
40872
64%
**53
90%
Lovex S062
<<locked>>
81%
49879
78%
**45
100%
Lovex S065
<<locked>>
81%
41075
64%
**77
96%
[Lovex S070]*
<<locked>>
81%
39218
61%
**41
94%
[Lovex S071]*
<<locked>>
86%
28616
45%
**82
90%
Norma 203B
<<locked>>
81%
50444
79%
**04
100%
[Norma 204]*
<<locked>>
81%
37188
58%
**25
91%
[Norma MRP]*
<<locked>>
84%
32634
51%
**76
90%
Norma URP
<<locked>>
81%
37840
59%
**61
97%
Ramshot Big Game
<<locked>>
81%
50705
79%
**23
100%
[Ramshot Hunter]*
<<locked>>
81%
36767
58%
**38
94%
[Ramshot Magnum]*
<<locked>>
89%
34809
55%
**82
90%
ReloadSwiss RS 14
<<locked>>
81%
27978
44%
**67
100%
ReloadSwiss RS 50
<<locked>>
81%
48428
76%
**35
98%
ReloadSwiss RS 52
<<locked>>
81%
50082
78%
**07
100%
ReloadSwiss RS 60
<<locked>>
81%
40698
64%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
37753
59%
**87
96%
ReloadSwiss RS 70
<<locked>>
81%
36709
58%
**81
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
34824
55%
**41
90%
Rottweil R 902
<<locked>>
81%
51706
81%
**68
100%
Rottweil R 903
<<locked>>
81%
45049
71%
**79
100%
[Rottweil R 904]*
<<locked>>
85%
39044
61%
**35
90%
[Rottweil R 905]*
<<locked>>
85%
35244
55%
**99
90%
Rottweil R 907
<<locked>>
81%
42279
66%
**00
95%
SNPE Vectan SP 11
<<locked>>
81%
46354
73%
**38
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
46586
73%
**04
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40422
63%
**08
95%
Shooters World Long Rifle
<<locked>>
81%
41075
64%
**77
96%
Shooters World Precision
<<locked>>
81%
49879
78%
**45
100%
Somchem S355
<<locked>>
81%
45411
71%
**89
100%
[Somchem S361]*
<<locked>>
86%
41350
65%
**51
90%
Somchem S365
<<locked>>
81%
34011
53%
**05
99%
[Somchem S385]*
<<locked>>
82%
32851
51%
**94
90%
Vihtavuori N133
<<locked>>
81%
51750
81%
**86
100%
Vihtavuori N135
<<locked>>
81%
43976
69%
**90
100%
Vihtavuori N140
<<locked>>
81%
51387
81%
**28
100%
Vihtavuori N150
<<locked>>
81%
38986
61%
**18
99%
Vihtavuori N160
<<locked>>
81%
40988
64%
**00
97%
[Vihtavuori N165]*
<<locked>>
88%
33649
53%
**13
90%
Vihtavuori N540
<<locked>>
81%
51039
80%
**54
100%
Vihtavuori N550
<<locked>>
81%
41365
65%
**43
97%
[Vihtavuori N555]*
<<locked>>
81%
29733
47%
**71
94%
[Vihtavuori N560]*
<<locked>>
92%
41611
65%
**99
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38493
60%
**31
99%
Winchester 760
<<locked>>
81%
43642
68%
**99
96%
[Winchester StaBALL HD]*
<<locked>>
81%
24221
38%
**30
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.

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