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Load data for .300 Norma Mag + .308 | 155gr | CutEdge MTAC

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Norma Mag + .308 | 155gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | CutEdge MTAC
Manufacturer SKU:
MTAC 308 155
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.259" | 32.0mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.604" | 91.5mm
Seated Depth:
0.145" | 3.7mm
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_B8480_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 138 loads in caliber .300 Norma Mag with .308 | 155gr | CutEdge MTAC bullet and 69 powders such as Alliant Reloder-23, Alliant Reloder-26, Somchem S385, 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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  • 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>>
83%
56898
89%
**27
100%
ADI AR 2209
<<locked>>
93%
57305
90%
**22
99%
ADI AR 2213
<<locked>>
96%
57058
89%
**51
98%
[ADI AR 2217]*
<<locked>>
97%
42264
66%
**33
94%
ADI AR 2225
<<locked>>
97%
37246
58%
**64
95%
Accurate 2700
<<locked>>
84%
56927
89%
**84
99%
Accurate 3100
<<locked>>
97%
56927
89%
**43
100%
Accurate 4350
<<locked>>
88%
57261
90%
**79
100%
Accurate MAGPRO
<<locked>>
97%
57145
90%
**58
96%
Alliant Reloder-16
<<locked>>
89%
56753
89%
**15
100%
Alliant Reloder-17
<<locked>>
85%
56898
89%
**22
100%
Alliant Reloder-19
<<locked>>
94%
57159
90%
**02
99%
Alliant Reloder-22
<<locked>>
97%
57406
90%
**51
99%
Alliant Reloder-23 👍
<<locked>>
97%
54766
86%
**76
100%
Alliant Reloder-25
<<locked>>
97%
47471
74%
**97
100%
Alliant Reloder-26 👍
<<locked>>
94%
57421
90%
**94
100%
[Hodgdon H1000]*
<<locked>>
97%
42264
66%
**33
94%
Hodgdon H414
<<locked>>
84%
56913
89%
**92
100%
Hodgdon H4350
<<locked>>
91%
57203
90%
**46
99%
Hodgdon H4831
<<locked>>
97%
53113
83%
**17
96%
Hodgdon H4831 SC
<<locked>>
95%
57130
90%
**86
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57392
90%
**36
100%
Hodgdon LVR
<<locked>>
86%
56913
89%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
37246
58%
**64
95%
Hodgdon Superperformance
<<locked>>
86%
56898
89%
**22
99%
Hodgdon VARGET
<<locked>>
83%
57290
90%
**27
100%
Hodgdon TrailBoss
<<locked>>
97%
35128
55%
**78
100%
IMR 4064
<<locked>>
84%
57101
89%
**14
100%
IMR 4166 Enduron
<<locked>>
84%
56942
89%
**14
100%
IMR 4350
<<locked>>
89%
56869
89%
**46
99%
IMR 4451 Enduron
<<locked>>
85%
57000
89%
**36
99%
IMR 4831
<<locked>>
93%
57145
90%
**63
100%
IMR 4955 Enduron
<<locked>>
96%
57072
89%
**50
97%
IMR 7828 SSC
<<locked>>
95%
57145
90%
**55
98%
Lovex S065
<<locked>>
87%
57334
90%
**27
100%
Lovex S070
<<locked>>
88%
56956
89%
**46
100%
Lovex S071
<<locked>>
97%
47732
75%
**89
99%
Norma 204
<<locked>>
89%
56942
89%
**86
99%
Norma MRP
<<locked>>
95%
57246
90%
**68
100%
Norma URP
<<locked>>
89%
57058
89%
**79
100%
Ramshot Hunter
<<locked>>
89%
57421
90%
**09
100%
Ramshot Magnum
<<locked>>
97%
56594
89%
**19
99%
ReloadSwiss RS 14
<<locked>>
96%
35679
56%
**24
100%
ReloadSwiss RS 60
<<locked>>
85%
56840
89%
**45
100%
ReloadSwiss RS 62
<<locked>>
88%
57276
90%
**99
100%
ReloadSwiss RS 70
<<locked>>
89%
56971
89%
**55
100%
ReloadSwiss RS 76
<<locked>>
97%
46673
73%
**27
99%
Rottweil R 903
<<locked>>
84%
56753
89%
**17
100%
Rottweil R 904
<<locked>>
92%
56797
89%
**50
98%
Rottweil R 905
<<locked>>
94%
56710
89%
**02
99%
Rottweil R 907
<<locked>>
86%
56913
89%
**27
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
56724
89%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57174
90%
**81
100%
Shooters World Long Rifle
<<locked>>
87%
57334
90%
**27
100%
Somchem S355
<<locked>>
84%
57334
90%
**30
100%
Somchem S361
<<locked>>
92%
57072
89%
**14
97%
Somchem S365
<<locked>>
91%
57319
90%
**82
100%
Somchem S385 👍
<<locked>>
94%
57377
90%
**73
99%
Vihtavuori N135
<<locked>>
85%
56985
89%
**31
100%
Vihtavuori N150
<<locked>>
89%
57435
90%
**87
100%
Vihtavuori N160
<<locked>>
86%
56985
89%
**46
100%
Vihtavuori N165
<<locked>>
97%
53621
84%
**91
99%
Vihtavuori N550
<<locked>>
86%
57246
90%
**79
100%
Vihtavuori N555 👍
<<locked>>
95%
56782
89%
**96
100%
Vihtavuori N560
<<locked>>
96%
57261
90%
**71
97%
Vihtavuori N565
<<locked>>
97%
49356
77%
**00
96%
Winchester 6.5 StaBALL
<<locked>>
88%
57188
90%
**07
100%
Winchester 760
<<locked>>
84%
56913
89%
**92
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51895
81%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53374
84%
**68
100%
[ADI AR 2209]*
<<locked>>
81%
37565
59%
**08
93%
[ADI AR 2213]*
<<locked>>
83%
35766
56%
**72
90%
[ADI AR 2217]*
<<locked>>
92%
35592
56%
**56
90%
[ADI AR 2225]*
<<locked>>
90%
29921
47%
**35
90%
Accurate 2700
<<locked>>
81%
51648
81%
**86
98%
Accurate 3100
<<locked>>
81%
32967
52%
**54
95%
Accurate 4350
<<locked>>
81%
44889
70%
**56
99%
[Accurate MAGPRO]*
<<locked>>
87%
39697
62%
**94
90%
Alliant Reloder-16
<<locked>>
81%
43105
68%
**72
100%
Alliant Reloder-17
<<locked>>
81%
50241
79%
**04
100%
[Alliant Reloder-19]*
<<locked>>
81%
37507
59%
**99
93%
[Alliant Reloder-22]*
<<locked>>
81%
33083
52%
**17
91%
Alliant Reloder-23
<<locked>>
81%
31691
50%
**84
98%
[Alliant Reloder-25]*
<<locked>>
81%
27702
43%
**56
92%
Alliant Reloder-26
<<locked>>
81%
34635
54%
**25
97%
[Hodgdon H1000]*
<<locked>>
92%
35592
56%
**56
90%
Hodgdon H414
<<locked>>
81%
51082
80%
**94
99%
Hodgdon H4350
<<locked>>
81%
41321
65%
**44
96%
[Hodgdon H4831]*
<<locked>>
85%
35984
56%
**43
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36289
57%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40611
64%
**41
100%
Hodgdon LVR
<<locked>>
81%
47500
74%
**05
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29921
47%
**35
90%
Hodgdon Superperformance
<<locked>>
81%
46499
73%
**38
98%
Hodgdon VARGET
<<locked>>
81%
53011
83%
**54
100%
Hodgdon TrailBoss
<<locked>>
81%
27876
44%
**11
100%
IMR 4064
<<locked>>
81%
52243
82%
**41
100%
IMR 4166 Enduron
<<locked>>
81%
51242
80%
**12
99%
IMR 4350
<<locked>>
81%
43410
68%
**94
97%
IMR 4451 Enduron
<<locked>>
81%
49603
78%
**99
99%
IMR 4831
<<locked>>
81%
38551
60%
**99
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35389
55%
**87
90%
[IMR 7828 SSC]*
<<locked>>
82%
35273
55%
**76
90%
Lovex S065
<<locked>>
81%
46746
73%
**43
99%
Lovex S070
<<locked>>
81%
44991
71%
**30
98%
[Lovex S071]*
<<locked>>
81%
28094
44%
**03
92%
Norma 204
<<locked>>
81%
43540
68%
**23
95%
[Norma MRP]*
<<locked>>
81%
34592
54%
**79
94%
Norma URP
<<locked>>
81%
43990
69%
**49
99%
Ramshot Hunter
<<locked>>
81%
43163
68%
**36
98%
[Ramshot Magnum]*
<<locked>>
81%
30414
48%
**21
90%
ReloadSwiss RS 14
<<locked>>
81%
28398
44%
**54
100%
ReloadSwiss RS 60
<<locked>>
81%
48283
76%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
44904
70%
**72
99%
ReloadSwiss RS 70
<<locked>>
81%
43279
68%
**92
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30342
48%
**71
90%
Rottweil R 903
<<locked>>
81%
51938
81%
**45
100%
[Rottweil R 904]*
<<locked>>
81%
39073
61%
**89
93%
[Rottweil R 905]*
<<locked>>
81%
36622
57%
**72
93%
Rottweil R 907
<<locked>>
81%
47848
75%
**63
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52518
82%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45977
72%
**90
98%
Shooters World Long Rifle
<<locked>>
81%
46746
73%
**43
99%
Somchem S355
<<locked>>
81%
51866
81%
**38
100%
[Somchem S361]*
<<locked>>
81%
39726
62%
**79
92%
Somchem S365
<<locked>>
81%
40872
64%
**00
100%
Somchem S385
<<locked>>
81%
37130
58%
**59
95%
Vihtavuori N135
<<locked>>
81%
50386
79%
**33
100%
Vihtavuori N150
<<locked>>
81%
44527
70%
**64
100%
Vihtavuori N160
<<locked>>
81%
47645
75%
**79
100%
[Vihtavuori N165]*
<<locked>>
81%
30966
49%
**89
91%
Vihtavuori N550
<<locked>>
81%
48167
75%
**22
100%
Vihtavuori N555
<<locked>>
81%
35476
56%
**69
98%
[Vihtavuori N560]*
<<locked>>
84%
36318
57%
**12
90%
[Vihtavuori N565]*
<<locked>>
87%
35346
55%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44889
70%
**04
100%
Winchester 760
<<locked>>
81%
51082
80%
**94
99%
Winchester StaBALL HD
<<locked>>
81%
26963
42%
**74
98%

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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