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Load data for .300 Norma Mag + .308 | 136gr | Geco ZERO

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Recommended Powder(s):

.300 Norma Mag + .308 | 136gr | Geco ZERO

Load Specifications

Bullet:
.308 | 136gr | Geco ZERO
Manufacturer SKU:
2416070
Bullet Weight:
136gr | 8.8g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.177" | 29.9mm
Caliber:
.300 Norma Mag
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.545" | 90.0mm
Seated Depth:
0.122" | 3.1mm
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_B9032_C365

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

Load data for 142 loads in caliber .300 Norma Mag with .308 | 136gr | Geco ZERO bullet and 71 powder(s). 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>>
85%
56782
89%
**87
100%
ADI AR 2209
<<locked>>
95%
57101
89%
**83
98%
ADI AR 2213
<<locked>>
97%
53809
84%
**46
96%
Accurate 2700
<<locked>>
86%
57217
90%
**48
98%
Accurate 3100
<<locked>>
97%
53214
83%
**48
99%
Accurate 4350
<<locked>>
90%
56971
89%
**40
100%
[Accurate MAGPRO]*
<<locked>>
97%
52402
82%
**10
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
56927
89%
**07
100%
Alliant Reloder-16 👍
<<locked>>
92%
57217
90%
**06
100%
Alliant Reloder-17
<<locked>>
87%
57145
90%
**02
100%
Alliant Reloder-19
<<locked>>
96%
57159
90%
**63
98%
Alliant Reloder-22
<<locked>>
97%
53055
83%
**33
97%
Alliant Reloder-23
<<locked>>
97%
50067
78%
**58
100%
Alliant Reloder-25
<<locked>>
97%
43642
68%
**66
98%
Alliant Reloder-26
<<locked>>
96%
57261
90%
**68
100%
Hodgdon H380
<<locked>>
84%
57043
89%
**10
100%
Hodgdon H414
<<locked>>
86%
56913
89%
**66
99%
Hodgdon H4350
<<locked>>
93%
57319
90%
**10
98%
[Hodgdon H4831]*
<<locked>>
97%
49516
78%
**89
94%
Hodgdon H4831 SC
<<locked>>
97%
56507
89%
**33
96%
Hodgdon Hybrid 100V
<<locked>>
94%
57305
90%
**17
100%
Hodgdon LVR
<<locked>>
89%
56956
89%
**46
100%
Hodgdon Superperformance
<<locked>>
88%
57087
89%
**86
99%
Hodgdon VARGET
<<locked>>
85%
56782
89%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
35027
55%
**00
100%
IMR 4064
<<locked>>
86%
56927
89%
**91
100%
IMR 4166 Enduron
<<locked>>
86%
57276
90%
**78
99%
IMR 4350
<<locked>>
92%
57116
90%
**14
98%
IMR 4451 Enduron
<<locked>>
87%
56942
89%
**04
99%
IMR 4831
<<locked>>
95%
57406
90%
**37
100%
IMR 4955 Enduron
<<locked>>
97%
55172
86%
**64
95%
IMR 7828 SSC
<<locked>>
97%
55666
87%
**83
96%
Lovex S062
<<locked>>
83%
56855
89%
**68
100%
Lovex S065
<<locked>>
89%
57406
90%
**94
100%
Lovex S070
<<locked>>
90%
57145
90%
**17
99%
Lovex S071
<<locked>>
97%
44570
70%
**74
97%
Norma 204
<<locked>>
91%
57029
89%
**53
97%
Norma MRP
<<locked>>
97%
56840
89%
**38
99%
Norma URP 👍
<<locked>>
91%
56913
89%
**53
100%
Ramshot Hunter 👍
<<locked>>
91%
57261
90%
**63
99%
Ramshot Magnum
<<locked>>
97%
51663
81%
**74
97%
ReloadSwiss RS 14
<<locked>>
96%
35505
56%
**46
100%
ReloadSwiss RS 50
<<locked>>
84%
57319
90%
**07
99%
ReloadSwiss RS 60
<<locked>>
88%
57087
89%
**25
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
56884
89%
**69
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57217
90%
**19
100%
ReloadSwiss RS 76
<<locked>>
97%
42946
67%
**76
96%
Rottweil R 903
<<locked>>
86%
57159
90%
**01
100%
Rottweil R 904
<<locked>>
95%
57145
90%
**17
96%
Rottweil R 905
<<locked>>
96%
57217
90%
**63
98%
Rottweil R 907
<<locked>>
88%
57377
90%
**04
98%
SNPE Vectan SP 11
<<locked>>
85%
57101
89%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57087
89%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56782
89%
**32
99%
Shooters World Long Rifle
<<locked>>
89%
57406
90%
**94
100%
Shooters World Precision
<<locked>>
83%
56855
89%
**68
100%
Somchem S355
<<locked>>
86%
56724
89%
**97
100%
Somchem S361
<<locked>>
94%
57319
90%
**68
96%
Somchem S365
<<locked>>
93%
57000
89%
**56
100%
Somchem S385
<<locked>>
96%
57261
90%
**23
98%
Vihtavuori N135
<<locked>>
87%
57290
90%
**12
100%
Vihtavuori N150
<<locked>>
91%
56927
89%
**55
100%
Vihtavuori N160
<<locked>>
88%
57188
90%
**14
100%
Vihtavuori N165
<<locked>>
97%
49081
77%
**56
96%
Vihtavuori N550
<<locked>>
88%
57305
90%
**53
100%
Vihtavuori N555
<<locked>>
97%
55854
88%
**53
100%
Vihtavuori N560
<<locked>>
97%
53403
84%
**53
95%
[Vihtavuori N565]*
<<locked>>
97%
45542
71%
**56
93%
Winchester 6.5 StaBALL
<<locked>>
90%
56913
89%
**68
100%
Winchester 760
<<locked>>
86%
56913
89%
**66
99%
Winchester StaBALL HD
<<locked>>
97%
45948
72%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50517
79%
**79
100%
[ADI AR 2209]*
<<locked>>
82%
35810
56%
**90
90%
[ADI AR 2213]*
<<locked>>
88%
39856
62%
**18
90%
Accurate 2700
<<locked>>
81%
48936
77%
**91
97%
[Accurate 3100]*
<<locked>>
81%
30690
48%
**17
91%
Accurate 4350
<<locked>>
81%
41669
65%
**41
98%
[Accurate MAGPRO]*
<<locked>>
92%
44222
69%
**46
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51140
80%
**99
100%
Alliant Reloder-16
<<locked>>
81%
39972
63%
**54
98%
Alliant Reloder-17
<<locked>>
81%
46108
72%
**05
100%
[Alliant Reloder-19]*
<<locked>>
81%
34998
55%
**71
90%
[Alliant Reloder-22]*
<<locked>>
85%
35041
55%
**07
90%
Alliant Reloder-23
<<locked>>
81%
29515
46%
**56
95%
[Alliant Reloder-25]*
<<locked>>
85%
29196
46%
**40
90%
[Alliant Reloder-26]*
<<locked>>
81%
31937
50%
**71
93%
Hodgdon H380
<<locked>>
81%
52315
82%
**32
99%
Hodgdon H414
<<locked>>
81%
47369
74%
**73
97%
[Hodgdon H4350]*
<<locked>>
81%
38551
60%
**23
93%
[Hodgdon H4831]*
<<locked>>
91%
40553
64%
**89
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
40451
63%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37608
59%
**27
99%
Hodgdon LVR
<<locked>>
81%
44309
69%
**10
98%
Hodgdon Superperformance
<<locked>>
81%
42873
67%
**10
95%
Hodgdon VARGET
<<locked>>
81%
50024
78%
**69
100%
Hodgdon TrailBoss
<<locked>>
81%
27804
44%
**29
100%
IMR 4064
<<locked>>
81%
49385
77%
**50
100%
IMR 4166 Enduron
<<locked>>
81%
48312
76%
**10
97%
[IMR 4350]*
<<locked>>
81%
40524
64%
**76
94%
IMR 4451 Enduron
<<locked>>
81%
46673
73%
**94
97%
IMR 4831
<<locked>>
81%
35955
56%
**84
96%
[IMR 4955 Enduron]*
<<locked>>
86%
39624
62%
**30
90%
[IMR 7828 SSC]*
<<locked>>
87%
39581
62%
**22
90%
Lovex S062
<<locked>>
81%
53403
84%
**19
100%
Lovex S065
<<locked>>
81%
44034
69%
**41
97%
Lovex S070
<<locked>>
81%
42366
66%
**15
96%
[Lovex S071]*
<<locked>>
83%
28442
45%
**51
90%
[Norma 204]*
<<locked>>
81%
40364
63%
**89
92%
[Norma MRP]*
<<locked>>
81%
32155
50%
**44
90%
Norma URP
<<locked>>
81%
41249
65%
**38
98%
Ramshot Hunter
<<locked>>
81%
40089
63%
**15
96%
[Ramshot Magnum]*
<<locked>>
86%
33997
53%
**51
90%
ReloadSwiss RS 14
<<locked>>
81%
28326
44%
**72
100%
ReloadSwiss RS 50
<<locked>>
81%
52243
82%
**15
99%
ReloadSwiss RS 60
<<locked>>
81%
44353
70%
**86
100%
ReloadSwiss RS 62
<<locked>>
81%
41582
65%
**61
98%
ReloadSwiss RS 70
<<locked>>
81%
40103
63%
**58
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
34142
53%
**13
90%
Rottweil R 903
<<locked>>
81%
48805
76%
**53
100%
[Rottweil R 904]*
<<locked>>
82%
38174
60%
**04
90%
[Rottweil R 905]*
<<locked>>
82%
34809
55%
**74
90%
Rottweil R 907
<<locked>>
81%
45295
71%
**68
96%
SNPE Vectan SP 11
<<locked>>
81%
50154
79%
**09
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49472
78%
**45
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43250
68%
**82
96%
Shooters World Long Rifle
<<locked>>
81%
44034
69%
**41
97%
Shooters World Precision
<<locked>>
81%
53403
84%
**19
100%
Somchem S355
<<locked>>
81%
48762
76%
**53
100%
[Somchem S361]*
<<locked>>
83%
40059
63%
**20
90%
Somchem S365
<<locked>>
81%
37449
59%
**82
99%
[Somchem S385]*
<<locked>>
81%
34635
54%
**31
91%
Vihtavuori N135
<<locked>>
81%
47413
74%
**51
100%
Vihtavuori N150
<<locked>>
81%
41814
66%
**72
100%
Vihtavuori N160
<<locked>>
81%
44338
69%
**68
98%
[Vihtavuori N165]*
<<locked>>
85%
32909
52%
**79
90%
Vihtavuori N550
<<locked>>
81%
45107
71%
**27
99%
Vihtavuori N555
<<locked>>
81%
32779
51%
**44
96%
[Vihtavuori N560]*
<<locked>>
89%
40466
63%
**58
90%
[Vihtavuori N565]*
<<locked>>
93%
39276
62%
**12
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42018
66%
**95
100%
Winchester 760
<<locked>>
81%
47369
74%
**73
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23598
37%
**03
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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