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Load data for .300 Blaser Mag + .308 | 180gr | Sierra HP MatchKing

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

.300 Blaser Mag + .308 | 180gr | Sierra HP MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sierra HP MatchKing
Manufacturer SKU:
2220
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.280" | 32.5mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.509" | 12.9mm
Shank Seated Depth:
0.369" | 9.4mm
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_B5892_C351
Last updated:
2025-02-02
Recommended Twist Rate:
1:13 - 1:11

Load data for 140 loads in caliber .300 Blaser Mag with .308 | 180gr | Sierra HP MatchKing bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, Ramshot Hunter, 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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    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>>
83%
54723
90%
**18
100%
ADI AR 2209
<<locked>>
94%
54041
89%
**10
98%
ADI AR 2213
<<locked>>
97%
53330
88%
**20
97%
[ADI AR 2217]*
<<locked>>
97%
39044
64%
**18
92%
[ADI AR 2225]*
<<locked>>
97%
34621
57%
**79
94%
Accurate 2700
<<locked>>
84%
54636
90%
**82
99%
Accurate 3100
<<locked>>
97%
52707
87%
**35
100%
Accurate 4350
<<locked>>
89%
54505
89%
**84
100%
Accurate MAGPRO
<<locked>>
97%
51880
85%
**20
95%
Alliant Reloder-16
<<locked>>
90%
54723
90%
**33
100%
Alliant Reloder-17
<<locked>>
86%
54592
90%
**30
100%
Alliant Reloder-19
<<locked>>
94%
54114
89%
**97
98%
Alliant Reloder-22
<<locked>>
97%
52837
87%
**30
98%
Alliant Reloder-23 👍
<<locked>>
97%
50386
83%
**58
100%
Alliant Reloder-25
<<locked>>
97%
43352
71%
**79
99%
Alliant Reloder-26 👍
<<locked>>
95%
54273
89%
**02
100%
[Hodgdon H1000]*
<<locked>>
97%
39044
64%
**18
92%
Hodgdon H414
<<locked>>
85%
54157
89%
**90
99%
Hodgdon H4350
<<locked>>
92%
54418
89%
**44
99%
Hodgdon H4831
<<locked>>
97%
49632
81%
**02
96%
Hodgdon H4831 SC
<<locked>>
96%
54679
90%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
92%
54186
89%
**41
100%
Hodgdon LVR
<<locked>>
87%
54317
89%
**81
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34621
57%
**79
94%
Hodgdon Superperformance
<<locked>>
88%
54636
90%
**36
99%
Hodgdon VARGET
<<locked>>
84%
54273
89%
**15
100%
Hodgdon TrailBoss
<<locked>>
96%
34998
57%
**55
100%
IMR 4064
<<locked>>
84%
54679
90%
**08
100%
IMR 4166 Enduron
<<locked>>
85%
54795
90%
**08
99%
IMR 4350
<<locked>>
90%
54418
89%
**44
99%
IMR 4451 Enduron
<<locked>>
86%
54636
90%
**35
99%
IMR 4831
<<locked>>
94%
54201
89%
**58
100%
IMR 4955 Enduron
<<locked>>
97%
54534
90%
**51
97%
IMR 7828 SSC
<<locked>>
97%
54621
90%
**63
98%
Lovex S065
<<locked>>
88%
54302
89%
**22
100%
Lovex S070
<<locked>>
89%
54549
90%
**44
99%
Lovex S071
<<locked>>
97%
44193
73%
**94
99%
Norma 204
<<locked>>
90%
54288
89%
**81
98%
Norma MRP
<<locked>>
96%
54230
89%
**76
99%
Norma URP
<<locked>>
89%
54143
89%
**74
100%
Ramshot Hunter 👍
<<locked>>
90%
54317
89%
**04
100%
Ramshot Magnum
<<locked>>
97%
51401
84%
**81
99%
ReloadSwiss RS 14
<<locked>>
96%
35708
59%
**98
100%
ReloadSwiss RS 60
<<locked>>
86%
54041
89%
**40
100%
ReloadSwiss RS 62
<<locked>>
89%
54201
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
90%
54389
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
42119
69%
**99
98%
Rottweil R 903
<<locked>>
84%
54708
90%
**31
100%
Rottweil R 904
<<locked>>
93%
54360
89%
**54
97%
Rottweil R 905
<<locked>>
95%
54317
89%
**00
99%
Rottweil R 907
<<locked>>
87%
54418
89%
**25
99%
SNPE Vectan SP 11
<<locked>>
83%
54375
89%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54752
90%
**03
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54491
89%
**85
99%
Shooters World Long Rifle
<<locked>>
88%
54302
89%
**22
100%
Somchem S355
<<locked>>
84%
54549
90%
**22
100%
Somchem S361
<<locked>>
92%
54346
89%
**28
97%
Somchem S365
<<locked>>
92%
54288
89%
**87
100%
Somchem S385
<<locked>>
94%
54447
89%
**74
99%
Vihtavuori N135
<<locked>>
85%
54694
90%
**36
100%
Vihtavuori N150
<<locked>>
89%
54288
89%
**82
100%
Vihtavuori N160
<<locked>>
87%
54360
89%
**48
100%
Vihtavuori N165
<<locked>>
97%
49284
81%
**79
98%
Vihtavuori N550
<<locked>>
87%
54230
89%
**81
100%
Vihtavuori N555 👍
<<locked>>
96%
54592
90%
**20
100%
Vihtavuori N560
<<locked>>
97%
52910
87%
**46
97%
Vihtavuori N565
<<locked>>
97%
44715
73%
**82
95%
Winchester 6.5 StaBALL
<<locked>>
89%
54389
89%
**22
100%
Winchester 760
<<locked>>
85%
54157
89%
**90
99%
Winchester StaBALL HD 👍
<<locked>>
97%
45600
75%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50691
83%
**59
100%
[ADI AR 2209]*
<<locked>>
81%
35375
58%
**26
93%
[ADI AR 2213]*
<<locked>>
84%
34476
57%
**20
90%
[ADI AR 2217]*
<<locked>>
93%
34737
57%
**07
90%
[ADI AR 2225]*
<<locked>>
91%
29124
48%
**08
90%
Accurate 2700
<<locked>>
81%
48718
80%
**84
98%
[Accurate 3100]*
<<locked>>
81%
30908
51%
**98
94%
Accurate 4350
<<locked>>
81%
41930
69%
**61
99%
[Accurate MAGPRO]*
<<locked>>
88%
38305
63%
**44
90%
Alliant Reloder-16
<<locked>>
81%
40364
66%
**71
99%
Alliant Reloder-17
<<locked>>
81%
46383
76%
**99
100%
[Alliant Reloder-19]*
<<locked>>
81%
35201
58%
**26
93%
[Alliant Reloder-22]*
<<locked>>
81%
31009
51%
**51
91%
Alliant Reloder-23
<<locked>>
81%
29849
49%
**28
98%
[Alliant Reloder-25]*
<<locked>>
81%
26252
43%
**20
91%
Alliant Reloder-26
<<locked>>
81%
31966
52%
**39
96%
[Hodgdon H1000]*
<<locked>>
93%
34737
57%
**07
90%
Hodgdon H414
<<locked>>
81%
47630
78%
**85
99%
Hodgdon H4350
<<locked>>
81%
38928
64%
**56
96%
[Hodgdon H4831]*
<<locked>>
86%
35114
58%
**97
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35114
58%
**97
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38101
63%
**59
100%
Hodgdon LVR
<<locked>>
81%
44672
73%
**10
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29124
48%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
42931
70%
**26
97%
Hodgdon VARGET
<<locked>>
81%
50372
83%
**46
100%
Hodgdon TrailBoss
<<locked>>
85%
29472
48%
**44
100%
IMR 4064
<<locked>>
81%
49937
82%
**33
100%
IMR 4166 Enduron
<<locked>>
81%
48834
80%
**13
99%
IMR 4350
<<locked>>
81%
41060
67%
**98
96%
IMR 4451 Enduron
<<locked>>
81%
46992
77%
**00
98%
IMR 4831
<<locked>>
81%
36477
60%
**36
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34505
57%
**44
90%
[IMR 7828 SSC]*
<<locked>>
83%
34287
56%
**26
90%
Lovex S065
<<locked>>
81%
44411
73%
**54
99%
Lovex S070
<<locked>>
81%
42757
70%
**38
98%
[Lovex S071]*
<<locked>>
81%
26585
44%
**74
92%
Norma 204
<<locked>>
81%
40582
67%
**21
95%
[Norma MRP]*
<<locked>>
81%
32082
53%
**03
93%
Norma URP
<<locked>>
81%
41553
68%
**57
99%
Ramshot Hunter
<<locked>>
81%
40306
66%
**44
98%
[Ramshot Magnum]*
<<locked>>
82%
29283
48%
**85
90%
ReloadSwiss RS 14
<<locked>>
81%
28543
47%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
44744
73%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
41655
68%
**77
99%
ReloadSwiss RS 70
<<locked>>
81%
40190
66%
**87
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
29196
48%
**38
90%
Rottweil R 903
<<locked>>
81%
49269
81%
**49
100%
[Rottweil R 904]*
<<locked>>
81%
36622
60%
**07
92%
[Rottweil R 905]*
<<locked>>
81%
34316
56%
**03
93%
Rottweil R 907
<<locked>>
81%
45498
75%
**71
98%
SNPE Vectan SP 11
<<locked>>
81%
50386
83%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49966
82%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43627
72%
**02
98%
Shooters World Long Rifle
<<locked>>
81%
44411
73%
**54
99%
Somchem S355
<<locked>>
81%
49182
81%
**36
100%
[Somchem S361]*
<<locked>>
81%
37260
61%
**00
91%
Somchem S365
<<locked>>
81%
37942
62%
**08
100%
[Somchem S385]*
<<locked>>
81%
34896
57%
**90
94%
Vihtavuori N135
<<locked>>
81%
47877
79%
**41
100%
Vihtavuori N150
<<locked>>
81%
42235
69%
**82
100%
Vihtavuori N160
<<locked>>
81%
44570
73%
**80
100%
[Vihtavuori N165]*
<<locked>>
81%
29312
48%
**36
91%
Vihtavuori N550
<<locked>>
81%
45382
75%
**26
100%
Vihtavuori N555
<<locked>>
81%
33272
55%
**03
98%
[Vihtavuori N560]*
<<locked>>
85%
35273
58%
**69
90%
[Vihtavuori N565]*
<<locked>>
88%
33794
55%
**30
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42076
69%
**18
100%
Winchester 760
<<locked>>
81%
47630
78%
**85
99%
Winchester StaBALL HD
<<locked>>
81%
23902
39%
**08
97%

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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