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Load data for .300 Norma Mag + .308 | 140gr | Hornady MonoFlex

Recommended Powder(s): Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Norma Mag + .308 | 140gr | Hornady MonoFlex

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Hornady MonoFlex
Manufacturer SKU:
30310
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.040" | 26.4mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.238" | 82.2mm
Seated Depth:
0.292" | 7.4mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2664_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:16 - 1:13

Load data for 144 loads in caliber .300 Norma Mag with .308 | 140gr | Hornady MonoFlex bullet and 72 powders such as Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
85%
57159
90%
**61
100%
ADI AR 2209
<<locked>>
96%
56898
89%
**37
98%
ADI AR 2213
<<locked>>
97%
53098
83%
**94
96%
Accurate 2700
<<locked>>
86%
57159
90%
**05
98%
Accurate 3100
<<locked>>
97%
52968
83%
**05
99%
Accurate 4064
<<locked>>
83%
57101
89%
**12
100%
Accurate 4350
<<locked>>
90%
56942
89%
**04
100%
[Accurate MAGPRO]*
<<locked>>
97%
52228
82%
**71
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
56971
89%
**61
100%
Alliant Reloder-16 👍
<<locked>>
92%
57392
90%
**73
100%
Alliant Reloder-17
<<locked>>
87%
57130
90%
**60
100%
Alliant Reloder-19
<<locked>>
96%
57014
89%
**33
98%
Alliant Reloder-22
<<locked>>
97%
52446
82%
**84
97%
Alliant Reloder-23
<<locked>>
97%
49821
78%
**28
100%
Alliant Reloder-25
<<locked>>
97%
43395
68%
**23
98%
Alliant Reloder-26
<<locked>>
96%
56855
89%
**25
100%
Hodgdon H380
<<locked>>
84%
57348
90%
**84
100%
Hodgdon H414
<<locked>>
86%
56927
89%
**27
99%
Hodgdon H4350
<<locked>>
93%
56942
89%
**71
98%
[Hodgdon H4831]*
<<locked>>
97%
49313
77%
**56
94%
Hodgdon H4831 SC
<<locked>>
97%
55593
87%
**78
95%
Hodgdon Hybrid 100V
<<locked>>
94%
57421
90%
**71
100%
Hodgdon LVR
<<locked>>
89%
57116
90%
**10
100%
Hodgdon Superperformance
<<locked>>
89%
56695
89%
**53
99%
Hodgdon VARGET
<<locked>>
86%
57159
90%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
34751
54%
**60
100%
IMR 4064
<<locked>>
86%
57377
90%
**51
100%
IMR 4166 Enduron
<<locked>>
87%
57145
90%
**45
99%
IMR 4350
<<locked>>
92%
57421
90%
**71
99%
IMR 4451 Enduron
<<locked>>
87%
57116
90%
**64
99%
IMR 4831
<<locked>>
95%
56985
89%
**84
100%
IMR 4955 Enduron
<<locked>>
97%
54317
85%
**19
95%
IMR 7828 SSC
<<locked>>
97%
54853
86%
**30
96%
Lovex S062
<<locked>>
83%
56724
89%
**32
100%
Lovex S065
<<locked>>
89%
56811
89%
**45
100%
Lovex S070
<<locked>>
90%
57087
89%
**74
99%
Lovex S071
<<locked>>
97%
43772
69%
**31
97%
Norma 204
<<locked>>
91%
57087
89%
**01
97%
Norma MRP
<<locked>>
97%
56144
88%
**86
99%
Norma URP 👍
<<locked>>
91%
57290
90%
**17
100%
Ramshot Hunter 👍
<<locked>>
91%
56724
89%
**20
99%
Ramshot Magnum
<<locked>>
97%
51184
80%
**38
97%
ReloadSwiss RS 14
<<locked>>
97%
35694
56%
**13
100%
ReloadSwiss RS 50
<<locked>>
84%
57000
89%
**55
99%
ReloadSwiss RS 60
<<locked>>
88%
56811
89%
**79
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
56942
89%
**20
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57406
90%
**89
100%
ReloadSwiss RS 76
<<locked>>
97%
42496
67%
**36
96%
Rottweil R 903
<<locked>>
86%
57290
90%
**55
100%
Rottweil R 904
<<locked>>
95%
56869
89%
**64
96%
Rottweil R 905
<<locked>>
96%
57043
89%
**20
98%
Rottweil R 907
<<locked>>
89%
57319
90%
**61
99%
SNPE Vectan SP 11
<<locked>>
85%
56913
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57116
89%
**27
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56898
89%
**99
99%
Shooters World Long Rifle
<<locked>>
89%
56811
89%
**45
100%
Shooters World Precision
<<locked>>
83%
56724
89%
**32
100%
Somchem S355
<<locked>>
86%
57217
90%
**64
100%
Somchem S361
<<locked>>
94%
57000
89%
**32
96%
Somchem S365
<<locked>>
93%
57217
90%
**27
100%
Somchem S385
<<locked>>
96%
57174
90%
**97
99%
Vihtavuori N135
<<locked>>
87%
57203
90%
**69
100%
Vihtavuori N150
<<locked>>
91%
57232
90%
**12
100%
Vihtavuori N160
<<locked>>
88%
56710
89%
**71
100%
Vihtavuori N165
<<locked>>
97%
49197
77%
**27
97%
Vihtavuori N550
<<locked>>
88%
56956
89%
**07
100%
Vihtavuori N555
<<locked>>
97%
55608
87%
**07
100%
Vihtavuori N560
<<locked>>
97%
52997
83%
**17
95%
[Vihtavuori N565]*
<<locked>>
97%
44918
70%
**23
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57203
90%
**45
100%
Winchester 760
<<locked>>
86%
56927
89%
**27
99%
Winchester StaBALL HD
<<locked>>
97%
45498
71%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50285
79%
**36
100%
[ADI AR 2209]*
<<locked>>
81%
35317
55%
**44
90%
[ADI AR 2213]*
<<locked>>
88%
39450
62%
**76
90%
Accurate 2700
<<locked>>
81%
48646
76%
**51
97%
[Accurate 3100]*
<<locked>>
81%
30487
48%
**84
92%
Accurate 4064
<<locked>>
81%
53447
84%
**56
100%
Accurate 4350
<<locked>>
81%
41423
65%
**05
98%
[Accurate MAGPRO]*
<<locked>>
92%
43801
69%
**94
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50952
80%
**63
100%
Alliant Reloder-16
<<locked>>
81%
39755
62%
**05
98%
Alliant Reloder-17
<<locked>>
81%
45774
72%
**50
100%
[Alliant Reloder-19]*
<<locked>>
81%
34809
55%
**38
90%
[Alliant Reloder-22]*
<<locked>>
84%
34301
54%
**58
90%
Alliant Reloder-23
<<locked>>
81%
29356
46%
**23
96%
[Alliant Reloder-25]*
<<locked>>
84%
28427
45%
**80
90%
[Alliant Reloder-26]*
<<locked>>
81%
31778
50%
**41
94%
Hodgdon H380
<<locked>>
81%
51880
81%
**86
99%
Hodgdon H414
<<locked>>
81%
47079
74%
**36
97%
[Hodgdon H4350]*
<<locked>>
81%
38377
60%
**87
94%
[Hodgdon H4831]*
<<locked>>
91%
40103
63%
**43
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
39987
63%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37362
59%
**87
99%
Hodgdon LVR
<<locked>>
81%
44048
69%
**61
98%
Hodgdon Superperformance
<<locked>>
81%
42583
67%
**58
95%
Hodgdon VARGET
<<locked>>
81%
49777
78%
**27
100%
Hodgdon TrailBoss
<<locked>>
81%
27862
44%
**93
100%
IMR 4064
<<locked>>
81%
49284
77%
**10
100%
IMR 4166 Enduron
<<locked>>
81%
48051
75%
**68
97%
[IMR 4350]*
<<locked>>
81%
40408
63%
**30
94%
IMR 4451 Enduron
<<locked>>
81%
46528
73%
**61
97%
IMR 4831
<<locked>>
81%
35694
56%
**44
96%
[IMR 4955 Enduron]*
<<locked>>
86%
39247
62%
**94
90%
[IMR 7828 SSC]*
<<locked>>
87%
38870
61%
**69
90%
Lovex S062
<<locked>>
81%
53171
83%
**66
100%
Lovex S065
<<locked>>
81%
43845
69%
**92
98%
Lovex S070
<<locked>>
81%
42105
66%
**72
96%
[Lovex S071]*
<<locked>>
83%
27673
43%
**02
90%
[Norma 204]*
<<locked>>
81%
40030
63%
**49
93%
[Norma MRP]*
<<locked>>
81%
32010
50%
**15
90%
Norma URP
<<locked>>
81%
40727
64%
**89
98%
Ramshot Hunter
<<locked>>
81%
39740
62%
**72
96%
[Ramshot Magnum]*
<<locked>>
86%
33489
52%
**05
90%
ReloadSwiss RS 14
<<locked>>
81%
28326
44%
**36
100%
ReloadSwiss RS 50
<<locked>>
81%
51909
81%
**59
99%
ReloadSwiss RS 60
<<locked>>
81%
44034
69%
**50
100%
ReloadSwiss RS 62
<<locked>>
81%
41263
65%
**22
98%
ReloadSwiss RS 70
<<locked>>
81%
39900
63%
**25
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
33199
52%
**54
90%
Rottweil R 903
<<locked>>
81%
48457
76%
**07
100%
[Rottweil R 904]*
<<locked>>
82%
37536
59%
**54
90%
[Rottweil R 905]*
<<locked>>
81%
34156
54%
**22
90%
Rottweil R 907
<<locked>>
81%
45005
71%
**15
96%
SNPE Vectan SP 11
<<locked>>
81%
49893
78%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49501
78%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43120
68%
**36
96%
Shooters World Long Rifle
<<locked>>
81%
43845
69%
**92
98%
Shooters World Precision
<<locked>>
81%
53171
83%
**66
100%
Somchem S355
<<locked>>
81%
48544
76%
**00
100%
[Somchem S361]*
<<locked>>
83%
39856
62%
**77
90%
Somchem S365
<<locked>>
81%
37289
58%
**36
99%
[Somchem S385]*
<<locked>>
81%
34577
54%
**05
92%
Vihtavuori N135
<<locked>>
81%
47152
74%
**12
100%
Vihtavuori N150
<<locked>>
81%
41727
65%
**30
100%
Vihtavuori N160
<<locked>>
81%
44295
69%
**38
99%
[Vihtavuori N165]*
<<locked>>
85%
32634
51%
**40
90%
Vihtavuori N550
<<locked>>
81%
44701
70%
**81
99%
Vihtavuori N555
<<locked>>
81%
32576
51%
**12
96%
[Vihtavuori N560]*
<<locked>>
89%
39769
62%
**15
90%
[Vihtavuori N565]*
<<locked>>
93%
38638
61%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41510
65%
**63
100%
Winchester 760
<<locked>>
81%
47079
74%
**36
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25933
41%
**64
93%

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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