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Load data for .300 Blaser Mag + .308 | 168gr | Sierra HPBT MatchKing

Recommended Powder(s):

.300 Blaser Mag + .308 | 168gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 168gr | Sierra HPBT MatchKing
Manufacturer SKU:
2200
Bullet Weight:
168gr | 10.9g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.215" | 30.9mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.444" | 11.3mm
Shank Seated Depth:
0.294" | 7.5mm
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_B5885_C351
Last updated:
2025-08-05
Recommended Twist Rate:
1:13 - 1:11

Load data for 136 loads in caliber .300 Blaser Mag with .308 | 168gr | Sierra HPBT MatchKing bullet and 68 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".

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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>>
84%
54549
90%
**10
100%
ADI AR 2209
<<locked>>
95%
54244
89%
**99
98%
ADI AR 2213
<<locked>>
97%
51808
85%
**86
96%
Accurate 2700
<<locked>>
85%
54302
89%
**71
98%
Accurate 3100
<<locked>>
97%
50749
83%
**00
99%
Accurate 4350
<<locked>>
90%
54404
89%
**79
100%
[Accurate MAGPRO]*
<<locked>>
97%
49879
82%
**69
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
54447
89%
**23
100%
Alliant Reloder-16
<<locked>>
91%
54027
89%
**12
100%
Alliant Reloder-17
<<locked>>
87%
54273
89%
**22
100%
Alliant Reloder-19
<<locked>>
96%
54534
90%
**99
98%
Alliant Reloder-22
<<locked>>
97%
50792
83%
**76
97%
Alliant Reloder-23
<<locked>>
97%
47805
78%
**13
100%
Alliant Reloder-25
<<locked>>
97%
41640
68%
**25
98%
Alliant Reloder-26 👍
<<locked>>
97%
54491
89%
**07
100%
Hodgdon H414
<<locked>>
86%
54694
90%
**02
99%
Hodgdon H4350
<<locked>>
93%
54360
89%
**40
99%
[Hodgdon H4831]*
<<locked>>
97%
47572
78%
**54
94%
Hodgdon H4831 SC
<<locked>>
97%
54215
89%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
93%
54592
90%
**36
100%
Hodgdon LVR
<<locked>>
88%
54491
89%
**76
100%
Hodgdon Superperformance
<<locked>>
88%
54273
89%
**22
99%
Hodgdon VARGET
<<locked>>
85%
54549
90%
**10
100%
Hodgdon TrailBoss
<<locked>>
96%
34664
57%
**18
100%
IMR 4064
<<locked>>
85%
54230
89%
**04
100%
IMR 4166 Enduron
<<locked>>
85%
54215
89%
**94
99%
IMR 4350
<<locked>>
91%
54041
89%
**27
99%
IMR 4451 Enduron
<<locked>>
87%
54259
89%
**17
99%
IMR 4831
<<locked>>
95%
54462
89%
**63
100%
IMR 4955 Enduron
<<locked>>
97%
52852
87%
**13
96%
IMR 7828 SSC
<<locked>>
97%
52750
87%
**12
96%
Lovex S065
<<locked>>
89%
54592
90%
**20
100%
Lovex S070
<<locked>>
90%
54317
89%
**33
99%
Lovex S071
<<locked>>
97%
42235
69%
**33
98%
Norma 204
<<locked>>
91%
54360
89%
**76
98%
Norma MRP
<<locked>>
97%
53664
88%
**58
99%
Norma URP
<<locked>>
91%
54462
89%
**79
100%
Ramshot Hunter 👍
<<locked>>
91%
54621
90%
**95
100%
Ramshot Magnum
<<locked>>
97%
49168
81%
**36
98%
ReloadSwiss RS 14
<<locked>>
96%
35259
58%
**60
100%
ReloadSwiss RS 50
<<locked>>
83%
54607
90%
**20
99%
ReloadSwiss RS 60
<<locked>>
88%
54563
90%
**54
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
54694
90%
**05
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
54186
89%
**48
100%
ReloadSwiss RS 76
<<locked>>
97%
40263
66%
**25
96%
Rottweil R 903
<<locked>>
85%
54592
90%
**23
100%
Rottweil R 904
<<locked>>
94%
54201
89%
**43
97%
Rottweil R 905
<<locked>>
96%
54462
89%
**92
98%
Rottweil R 907
<<locked>>
88%
54766
90%
**20
99%
SNPE Vectan SP 11
<<locked>>
84%
54433
89%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54404
89%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54157
89%
**74
99%
Shooters World Long Rifle
<<locked>>
89%
54592
90%
**20
100%
Somchem S355
<<locked>>
86%
54708
90%
**23
100%
Somchem S361
<<locked>>
94%
54723
90%
**10
96%
Somchem S365
<<locked>>
93%
54476
89%
**92
100%
Somchem S385
<<locked>>
96%
54766
90%
**63
99%
Vihtavuori N135
<<locked>>
86%
54041
89%
**25
100%
Vihtavuori N150
<<locked>>
90%
54143
89%
**71
100%
Vihtavuori N160
<<locked>>
88%
54317
89%
**36
100%
Vihtavuori N165
<<locked>>
97%
47384
78%
**31
97%
Vihtavuori N550
<<locked>>
88%
54186
89%
**72
100%
Vihtavuori N555 👍
<<locked>>
97%
53519
88%
**89
100%
Vihtavuori N560
<<locked>>
97%
50836
83%
**02
96%
[Vihtavuori N565]*
<<locked>>
97%
43047
71%
**25
93%
Winchester 6.5 StaBALL
<<locked>>
89%
54114
89%
**04
100%
Winchester 760
<<locked>>
86%
54694
90%
**02
99%
Winchester StaBALL HD
<<locked>>
97%
42438
70%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49240
81%
**25
100%
[ADI AR 2209]*
<<locked>>
81%
34069
56%
**66
91%
[ADI AR 2213]*
<<locked>>
87%
36811
60%
**51
90%
Accurate 2700
<<locked>>
81%
47195
77%
**46
97%
[Accurate 3100]*
<<locked>>
81%
29631
49%
**34
93%
Accurate 4350
<<locked>>
81%
40321
66%
**20
99%
[Accurate MAGPRO]*
<<locked>>
91%
40988
67%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49806
82%
**48
100%
Alliant Reloder-16
<<locked>>
81%
38943
64%
**23
99%
Alliant Reloder-17
<<locked>>
81%
44483
73%
**61
100%
[Alliant Reloder-19]*
<<locked>>
81%
33997
56%
**66
91%
[Alliant Reloder-22]*
<<locked>>
83%
31763
52%
**43
90%
Alliant Reloder-23
<<locked>>
81%
28601
47%
**61
96%
[Alliant Reloder-25]*
<<locked>>
83%
26382
43%
**88
90%
Alliant Reloder-26
<<locked>>
81%
30574
50%
**72
95%
Hodgdon H414
<<locked>>
81%
45803
75%
**31
98%
[Hodgdon H4350]*
<<locked>>
81%
37739
62%
**05
94%
[Hodgdon H4831]*
<<locked>>
89%
37101
61%
**21
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
37101
61%
**21
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36347
60%
**15
99%
Hodgdon LVR
<<locked>>
81%
42888
70%
**69
99%
Hodgdon Superperformance
<<locked>>
81%
41118
67%
**66
96%
Hodgdon VARGET
<<locked>>
81%
48733
80%
**12
100%
Hodgdon TrailBoss
<<locked>>
81%
27702
45%
**63
100%
IMR 4064
<<locked>>
81%
48225
79%
**99
100%
IMR 4166 Enduron
<<locked>>
81%
47239
78%
**72
98%
IMR 4350
<<locked>>
81%
39378
65%
**51
95%
IMR 4451 Enduron
<<locked>>
81%
45585
75%
**56
97%
IMR 4831
<<locked>>
81%
34853
57%
**82
97%
[IMR 4955 Enduron]*
<<locked>>
85%
36216
59%
**66
90%
[IMR 7828 SSC]*
<<locked>>
86%
36593
60%
**64
90%
Lovex S065
<<locked>>
81%
43033
71%
**10
98%
Lovex S070
<<locked>>
81%
41133
68%
**87
97%
[Lovex S071]*
<<locked>>
81%
25686
42%
**13
90%
[Norma 204]*
<<locked>>
81%
39088
64%
**74
93%
[Norma MRP]*
<<locked>>
81%
30763
51%
**39
91%
Norma URP
<<locked>>
81%
39798
65%
**07
98%
Ramshot Hunter
<<locked>>
81%
38754
64%
**97
97%
[Ramshot Magnum]*
<<locked>>
85%
31096
51%
**03
90%
ReloadSwiss RS 14
<<locked>>
81%
28355
47%
**09
100%
ReloadSwiss RS 50
<<locked>>
81%
50662
83%
**61
99%
ReloadSwiss RS 60
<<locked>>
81%
42960
71%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
39900
65%
**30
98%
ReloadSwiss RS 70
<<locked>>
81%
38595
63%
**33
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
31270
51%
**66
90%
Rottweil R 903
<<locked>>
81%
47456
78%
**12
100%
[Rottweil R 904]*
<<locked>>
81%
35447
58%
**52
90%
[Rottweil R 905]*
<<locked>>
81%
32764
54%
**39
91%
Rottweil R 907
<<locked>>
81%
44106
72%
**26
97%
SNPE Vectan SP 11
<<locked>>
81%
48515
80%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48312
79%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42047
69%
**54
97%
Shooters World Long Rifle
<<locked>>
81%
43033
71%
**10
98%
Somchem S355
<<locked>>
81%
47616
78%
**08
100%
[Somchem S361]*
<<locked>>
82%
36898
61%
**59
90%
Somchem S365
<<locked>>
81%
36071
59%
**61
100%
[Somchem S385]*
<<locked>>
81%
33576
55%
**33
93%
Vihtavuori N135
<<locked>>
81%
46224
76%
**07
100%
Vihtavuori N150
<<locked>>
81%
40640
67%
**41
100%
Vihtavuori N160
<<locked>>
81%
42975
71%
**40
99%
[Vihtavuori N165]*
<<locked>>
83%
29994
49%
**31
90%
Vihtavuori N550
<<locked>>
81%
43656
72%
**85
99%
Vihtavuori N555
<<locked>>
81%
31676
52%
**49
97%
[Vihtavuori N560]*
<<locked>>
87%
36941
61%
**94
90%
[Vihtavuori N565]*
<<locked>>
92%
36216
59%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40466
66%
**71
100%
Winchester 760
<<locked>>
81%
45803
75%
**31
98%
Winchester StaBALL HD
<<locked>>
81%
25280
42%
**28
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

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