top of page

Load data for .300 Blaser Mag + .308 | 180gr | Hornady GMX

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.300 Blaser Mag + .308 | 180gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Hornady GMX
Manufacturer SKU:
30193
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.503" | 38.2mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.732" | 18.6mm
Shank Seated Depth:
0.572" | 14.5mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B2701_C351
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 142 loads in caliber .300 Blaser Mag with .308 | 180gr | Hornady GMX bullet and 71 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555. 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.

    .

    Loading_icon.gif

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%
54679
90%
**02
100%
ADI AR 2209
<<locked>>
96%
54520
89%
**90
98%
ADI AR 2213
<<locked>>
97%
50372
83%
**51
96%
[ADI AR 2225]*
<<locked>>
97%
32793
54%
**03
93%
Accurate 2700
<<locked>>
85%
54085
89%
**56
99%
Accurate 3100
<<locked>>
97%
49385
81%
**69
99%
Accurate 4350
<<locked>>
90%
54230
89%
**58
100%
[Accurate MAGPRO]*
<<locked>>
97%
48617
80%
**38
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
53940
89%
**02
100%
Alliant Reloder-16
<<locked>>
92%
54302
89%
**10
100%
Alliant Reloder-17
<<locked>>
87%
53940
89%
**04
100%
Alliant Reloder-19
<<locked>>
96%
54563
90%
**90
98%
Alliant Reloder-22
<<locked>>
97%
49530
81%
**51
97%
Alliant Reloder-23
<<locked>>
97%
46543
76%
**85
100%
Alliant Reloder-25
<<locked>>
97%
40843
67%
**10
98%
Alliant Reloder-26 👍
<<locked>>
97%
53287
87%
**79
100%
Hodgdon H380
<<locked>>
84%
54317
89%
**28
100%
Hodgdon H414
<<locked>>
87%
54491
89%
**87
99%
Hodgdon H4350
<<locked>>
93%
54143
89%
**22
99%
[Hodgdon H4831]*
<<locked>>
97%
46717
77%
**26
94%
Hodgdon H4831 SC
<<locked>>
97%
53011
87%
**41
96%
Hodgdon Hybrid 100V
<<locked>>
94%
54447
89%
**25
100%
Hodgdon LVR
<<locked>>
89%
54027
89%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32793
54%
**03
93%
Hodgdon Superperformance
<<locked>>
89%
54331
89%
**13
99%
Hodgdon VARGET
<<locked>>
85%
54462
89%
**02
100%
Hodgdon TrailBoss
<<locked>>
96%
34708
57%
**29
100%
IMR 4064
<<locked>>
85%
54766
90%
**92
100%
IMR 4166 Enduron
<<locked>>
86%
54172
89%
**76
99%
IMR 4350
<<locked>>
92%
54636
90%
**25
99%
IMR 4451 Enduron
<<locked>>
87%
54273
89%
**12
99%
IMR 4831
<<locked>>
96%
54462
89%
**48
100%
IMR 4955 Enduron
<<locked>>
97%
52011
85%
**85
96%
IMR 7828 SSC
<<locked>>
97%
51474
85%
**84
96%
Lovex S065
<<locked>>
89%
54665
90%
**12
100%
Lovex S070
<<locked>>
90%
54578
90%
**35
99%
Lovex S071
<<locked>>
97%
41568
68%
**25
98%
Norma 204
<<locked>>
91%
54665
90%
**71
98%
Norma MRP
<<locked>>
97%
52475
86%
**30
99%
Norma URP
<<locked>>
91%
54766
90%
**71
100%
Ramshot Hunter 👍
<<locked>>
92%
54404
89%
**90
100%
Ramshot Magnum
<<locked>>
97%
48182
79%
**08
98%
ReloadSwiss RS 14
<<locked>>
97%
35723
59%
**78
100%
ReloadSwiss RS 50
<<locked>>
84%
54288
89%
**08
99%
ReloadSwiss RS 60
<<locked>>
88%
54476
89%
**40
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
54447
89%
**90
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
54534
90%
**43
100%
ReloadSwiss RS 76
<<locked>>
97%
39291
64%
**13
96%
Rottweil R 903
<<locked>>
86%
54389
89%
**05
100%
Rottweil R 904
<<locked>>
95%
54375
89%
**38
97%
Rottweil R 905
<<locked>>
97%
54665
90%
**97
98%
Rottweil R 907
<<locked>>
88%
54621
90%
**15
99%
SNPE Vectan SP 11
<<locked>>
85%
54099
89%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54447
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54679
90%
**69
99%
Shooters World Long Rifle
<<locked>>
89%
54665
90%
**12
100%
Somchem S355
<<locked>>
86%
54520
89%
**02
100%
Somchem S361
<<locked>>
94%
54795
90%
**08
96%
Somchem S365
<<locked>>
93%
54215
89%
**81
100%
Somchem S385
<<locked>>
96%
54694
90%
**61
99%
Vihtavuori N135
<<locked>>
87%
54244
89%
**17
100%
Vihtavuori N150
<<locked>>
91%
54679
90%
**69
100%
Vihtavuori N160
<<locked>>
88%
54447
89%
**28
100%
Vihtavuori N165
<<locked>>
97%
46412
76%
**10
97%
Vihtavuori N550
<<locked>>
88%
54273
89%
**64
100%
Vihtavuori N555 👍
<<locked>>
97%
52127
86%
**61
100%
Vihtavuori N560
<<locked>>
97%
49792
82%
**67
96%
[Vihtavuori N565]*
<<locked>>
97%
41800
69%
**03
93%
Winchester 6.5 StaBALL
<<locked>>
90%
54795
90%
**12
100%
Winchester 760
<<locked>>
87%
54491
89%
**87
99%
Winchester StaBALL HD
<<locked>>
97%
40872
67%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48588
80%
**03
100%
[ADI AR 2209]*
<<locked>>
81%
33591
55%
**57
91%
[ADI AR 2213]*
<<locked>>
86%
35708
59%
**30
90%
[ADI AR 2225]*
<<locked>>
94%
29588
49%
**02
90%
Accurate 2700
<<locked>>
81%
46876
77%
**31
97%
[Accurate 3100]*
<<locked>>
81%
29066
48%
**33
93%
Accurate 4350
<<locked>>
81%
39494
65%
**98
99%
[Accurate MAGPRO]*
<<locked>>
91%
39537
65%
**57
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49153
81%
**30
100%
Alliant Reloder-16
<<locked>>
81%
38363
63%
**08
99%
Alliant Reloder-17
<<locked>>
81%
43758
72%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
33402
55%
**61
92%
[Alliant Reloder-22]*
<<locked>>
83%
30864
51%
**31
90%
Alliant Reloder-23
<<locked>>
81%
28181
46%
**65
97%
[Alliant Reloder-25]*
<<locked>>
82%
25585
42%
**70
90%
Alliant Reloder-26
<<locked>>
81%
30182
50%
**77
95%
Hodgdon H380
<<locked>>
81%
50111
82%
**53
100%
Hodgdon H414
<<locked>>
81%
45078
74%
**17
98%
Hodgdon H4350
<<locked>>
81%
37173
61%
**03
95%
[Hodgdon H4831]*
<<locked>>
89%
36274
60%
**10
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
36274
60%
**10
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35853
59%
**00
99%
Hodgdon LVR
<<locked>>
81%
42119
69%
**48
99%
[Hodgdon Retumbo]*
<<locked>>
94%
29588
49%
**02
90%
Hodgdon Superperformance
<<locked>>
81%
40596
67%
**61
96%
Hodgdon VARGET
<<locked>>
81%
48240
79%
**00
100%
Hodgdon TrailBoss
<<locked>>
87%
30676
50%
**50
100%
IMR 4064
<<locked>>
81%
47718
78%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
46702
77%
**48
98%
IMR 4350
<<locked>>
81%
39044
64%
**39
95%
IMR 4451 Enduron
<<locked>>
81%
45194
74%
**48
98%
IMR 4831
<<locked>>
81%
34519
57%
**77
98%
[IMR 4955 Enduron]*
<<locked>>
84%
35331
58%
**51
90%
[IMR 7828 SSC]*
<<locked>>
86%
35549
58%
**36
90%
Lovex S065
<<locked>>
81%
42511
70%
**95
98%
Lovex S070
<<locked>>
81%
40611
67%
**79
97%
[Lovex S071]*
<<locked>>
81%
25135
41%
**15
90%
[Norma 204]*
<<locked>>
81%
38624
63%
**69
94%
[Norma MRP]*
<<locked>>
81%
30472
50%
**44
92%
Norma URP
<<locked>>
81%
39218
64%
**95
99%
Ramshot Hunter
<<locked>>
81%
38145
63%
**89
97%
[Ramshot Magnum]*
<<locked>>
84%
29950
49%
**95
90%
ReloadSwiss RS 14
<<locked>>
83%
29356
48%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
50111
82%
**40
99%
ReloadSwiss RS 60
<<locked>>
81%
42279
69%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
39392
65%
**18
98%
ReloadSwiss RS 70
<<locked>>
81%
38058
62%
**25
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30545
50%
**64
90%
Rottweil R 903
<<locked>>
81%
46702
77%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
34969
57%
**54
91%
[Rottweil R 905]*
<<locked>>
81%
32314
53%
**34
91%
Rottweil R 907
<<locked>>
81%
43511
71%
**12
97%
SNPE Vectan SP 11
<<locked>>
81%
47950
79%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48167
79%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41742
69%
**39
97%
Shooters World Long Rifle
<<locked>>
81%
42511
70%
**95
98%
Somchem S355
<<locked>>
81%
47021
77%
**90
100%
[Somchem S361]*
<<locked>>
81%
35868
59%
**48
90%
Somchem S365
<<locked>>
81%
35520
58%
**52
100%
[Somchem S385]*
<<locked>>
81%
33025
54%
**31
93%
Vihtavuori N135
<<locked>>
81%
45919
75%
**92
100%
Vihtavuori N150
<<locked>>
81%
40466
66%
**43
100%
Vihtavuori N160
<<locked>>
81%
42438
70%
**28
99%
[Vihtavuori N165]*
<<locked>>
83%
29298
48%
**20
90%
Vihtavuori N550
<<locked>>
81%
43149
71%
**74
99%
Vihtavuori N555
<<locked>>
81%
31154
51%
**41
97%
[Vihtavuori N560]*
<<locked>>
87%
35839
59%
**69
90%
[Vihtavuori N565]*
<<locked>>
91%
34824
57%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39769
65%
**66
100%
Winchester 760
<<locked>>
81%
45078
74%
**17
98%
Winchester StaBALL HD
<<locked>>
81%
24976
41%
**33
95%

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

bottom of page