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Load data for .300 Win. Mag. + .308 | 190gr | Sierra HP MatchKing

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Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Win. Mag. + .308 | 190gr | Sierra HP MatchKing

Load Specifications

Bullet:
.308 | 190gr | Sierra HP MatchKing
Manufacturer SKU:
2210
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.365" | 34.7mm
Caliber:
.300 Win. Mag.
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.695" | 17.7mm
Shank Seated Depth:
0.450" | 11.4mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5898_C380
Recommended Twist Rate:
1:12 - 1:10

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

Load data for 146 loads in caliber .300 Win. Mag. with .308 | 190gr | Sierra HP MatchKing bullet and 73 powders such as Alliant Reloder-26, Norma 204, 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".

    • 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) 

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 9.5 fps

  • .

    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>>
84%
55985
90%
**46
100%
ADI AR 2209
<<locked>>
95%
56115
90%
**41
99%
ADI AR 2213
<<locked>>
97%
52402
84%
**15
97%
[ADI AR 2217]*
<<locked>>
97%
38435
62%
**23
93%
ADI AR 2225
<<locked>>
97%
34055
55%
**80
95%
Accurate 2700
<<locked>>
85%
56115
90%
**13
99%
Accurate 3100
<<locked>>
97%
51909
83%
**36
100%
Accurate 4350
<<locked>>
89%
55259
89%
**95
100%
Accurate MAGPRO
<<locked>>
97%
51445
82%
**15
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
56014
90%
**49
100%
Alliant Reloder-16
<<locked>>
91%
55492
89%
**38
100%
Alliant Reloder-17
<<locked>>
87%
55724
89%
**51
100%
Alliant Reloder-19
<<locked>>
95%
55288
89%
**25
99%
Alliant Reloder-22
<<locked>>
97%
51692
83%
**08
98%
Alliant Reloder-23
<<locked>>
97%
48950
78%
**49
100%
Alliant Reloder-25
<<locked>>
97%
42670
68%
**84
99%
Alliant Reloder-26 👍
<<locked>>
96%
55695
89%
**36
100%
[Hodgdon H1000]*
<<locked>>
97%
38435
62%
**23
93%
Hodgdon H380
<<locked>>
83%
55811
89%
**66
100%
Hodgdon H414
<<locked>>
86%
56028
90%
**31
100%
Hodgdon H4350
<<locked>>
93%
55492
89%
**66
99%
Hodgdon H4831
<<locked>>
97%
48617
78%
**97
96%
Hodgdon H4831 SC
<<locked>>
97%
54868
88%
**95
97%
Hodgdon Hybrid 100V
<<locked>>
93%
56043
90%
**72
100%
Hodgdon LVR
<<locked>>
88%
55767
89%
**99
100%
Hodgdon Retumbo
<<locked>>
97%
34055
55%
**80
95%
Hodgdon Superperformance
<<locked>>
88%
55434
89%
**48
99%
Hodgdon VARGET
<<locked>>
85%
55477
89%
**33
100%
Hodgdon TrailBoss
<<locked>>
96%
34824
56%
**80
100%
IMR 4064
<<locked>>
85%
55767
89%
**30
100%
IMR 4166 Enduron
<<locked>>
86%
55811
89%
**36
100%
IMR 4350
<<locked>>
91%
55970
90%
**79
99%
IMR 4451 Enduron
<<locked>>
87%
56101
90%
**62
100%
IMR 4831
<<locked>>
95%
55361
89%
**82
100%
IMR 4955 Enduron
<<locked>>
97%
54027
87%
**49
97%
IMR 7828 SSC
<<locked>>
97%
54099
87%
**54
98%
Lovex S065
<<locked>>
89%
55985
90%
**49
100%
Lovex S070
<<locked>>
90%
55999
90%
**76
100%
Lovex S071
<<locked>>
97%
43526
70%
**95
99%
Norma 204 👍
<<locked>>
91%
55579
89%
**05
99%
Norma MRP
<<locked>>
97%
55361
89%
**04
100%
Norma URP
<<locked>>
90%
55637
89%
**08
100%
Ramshot Hunter 👍
<<locked>>
91%
56043
90%
**38
100%
Ramshot Magnum
<<locked>>
97%
50647
81%
**79
99%
ReloadSwiss RS 14
<<locked>>
96%
35563
57%
**19
100%
ReloadSwiss RS 50
<<locked>>
83%
55448
89%
**46
100%
ReloadSwiss RS 60
<<locked>>
87%
55274
89%
**64
100%
ReloadSwiss RS 62
<<locked>>
90%
55579
89%
**22
100%
ReloadSwiss RS 70
<<locked>>
91%
55535
89%
**77
100%
ReloadSwiss RS 76
<<locked>>
97%
41495
67%
**07
98%
Rottweil R 903
<<locked>>
85%
55927
90%
**49
100%
Rottweil R 904
<<locked>>
94%
55782
89%
**85
98%
Rottweil R 905
<<locked>>
96%
55999
90%
**35
99%
Rottweil R 907
<<locked>>
88%
56028
90%
**59
99%
SNPE Vectan SP 11
<<locked>>
84%
55767
89%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56115
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55941
90%
**10
100%
Shooters World Long Rifle
<<locked>>
89%
55985
90%
**49
100%
Somchem S355
<<locked>>
85%
55811
89%
**46
100%
Somchem S361
<<locked>>
93%
55579
89%
**46
97%
Somchem S365
<<locked>>
93%
56101
90%
**18
100%
Somchem S385
<<locked>>
95%
55332
89%
**95
99%
Vihtavuori N135
<<locked>>
86%
55405
89%
**51
100%
Vihtavuori N150
<<locked>>
90%
56043
90%
**10
100%
Vihtavuori N160
<<locked>>
88%
55912
90%
**69
100%
Vihtavuori N165
<<locked>>
97%
48617
78%
**71
98%
Vihtavuori N550
<<locked>>
88%
55709
89%
**02
100%
Vihtavuori N555 👍
<<locked>>
97%
54810
88%
**22
100%
Vihtavuori N560
<<locked>>
97%
52127
84%
**41
97%
Vihtavuori N565
<<locked>>
97%
44338
71%
**80
95%
Winchester 6.5 StaBALL
<<locked>>
90%
55840
90%
**43
100%
Winchester 760
<<locked>>
86%
56028
90%
**31
100%
Winchester StaBALL HD 👍
<<locked>>
97%
44121
71%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50140
80%
**51
100%
[ADI AR 2209]*
<<locked>>
81%
34954
56%
**31
93%
[ADI AR 2213]*
<<locked>>
83%
33562
54%
**15
90%
[ADI AR 2217]*
<<locked>>
93%
33910
54%
**18
90%
[ADI AR 2225]*
<<locked>>
91%
28239
45%
**03
90%
Accurate 2700
<<locked>>
81%
48457
78%
**98
98%
Accurate 3100
<<locked>>
81%
30385
49%
**10
95%
Accurate 4350
<<locked>>
81%
41278
66%
**59
99%
[Accurate MAGPRO]*
<<locked>>
88%
37797
61%
**46
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50865
82%
**74
100%
Alliant Reloder-16
<<locked>>
81%
40190
64%
**82
100%
Alliant Reloder-17
<<locked>>
81%
45745
73%
**90
100%
[Alliant Reloder-19]*
<<locked>>
81%
34722
56%
**31
93%
[Alliant Reloder-22]*
<<locked>>
81%
30705
49%
**62
91%
Alliant Reloder-23
<<locked>>
81%
29486
47%
**43
98%
[Alliant Reloder-25]*
<<locked>>
81%
25918
42%
**31
92%
Alliant Reloder-26
<<locked>>
81%
31589
51%
**57
97%
[Hodgdon H1000]*
<<locked>>
93%
33910
54%
**18
90%
Hodgdon H380
<<locked>>
81%
52083
84%
**07
100%
Hodgdon H414
<<locked>>
81%
46978
75%
**80
99%
Hodgdon H4350
<<locked>>
81%
38522
62%
**64
96%
[Hodgdon H4831]*
<<locked>>
86%
34374
55%
**95
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
34200
55%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37550
60%
**70
100%
Hodgdon LVR
<<locked>>
81%
43961
70%
**08
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28239
45%
**03
90%
Hodgdon Superperformance
<<locked>>
81%
42409
68%
**35
97%
Hodgdon VARGET
<<locked>>
81%
49922
80%
**48
100%
Hodgdon TrailBoss
<<locked>>
92%
33069
53%
**47
100%
IMR 4064
<<locked>>
81%
49385
79%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
48211
77%
**12
99%
IMR 4350
<<locked>>
81%
40495
65%
**07
97%
IMR 4451 Enduron
<<locked>>
81%
46659
75%
**02
98%
IMR 4831
<<locked>>
81%
35868
58%
**38
98%
[IMR 4955 Enduron]*
<<locked>>
81%
33214
53%
**36
90%
[IMR 7828 SSC]*
<<locked>>
83%
33489
54%
**25
90%
Lovex S065
<<locked>>
81%
43976
71%
**52
99%
Lovex S070
<<locked>>
81%
42235
68%
**39
98%
[Lovex S071]*
<<locked>>
81%
26324
42%
**95
92%
Norma 204
<<locked>>
81%
40205
64%
**36
95%
[Norma MRP]*
<<locked>>
81%
31850
51%
**25
94%
Norma URP
<<locked>>
81%
40872
66%
**56
99%
Ramshot Hunter
<<locked>>
81%
39798
64%
**52
98%
[Ramshot Magnum]*
<<locked>>
81%
28485
46%
**87
90%
ReloadSwiss RS 14
<<locked>>
89%
32039
51%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
51866
83%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
44019
71%
**87
100%
ReloadSwiss RS 62
<<locked>>
81%
41263
66%
**82
99%
ReloadSwiss RS 70
<<locked>>
81%
39697
64%
**95
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
28703
46%
**49
90%
Rottweil R 903
<<locked>>
81%
48617
78%
**44
100%
[Rottweil R 904]*
<<locked>>
81%
36303
58%
**21
92%
[Rottweil R 905]*
<<locked>>
81%
34026
55%
**15
93%
Rottweil R 907
<<locked>>
81%
45092
72%
**79
98%
SNPE Vectan SP 11
<<locked>>
81%
49821
80%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49647
80%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43076
69%
**03
98%
Shooters World Long Rifle
<<locked>>
81%
43976
71%
**52
99%
Somchem S355
<<locked>>
81%
48689
78%
**38
100%
[Somchem S361]*
<<locked>>
81%
36840
59%
**11
92%
Somchem S365
<<locked>>
81%
37275
60%
**16
100%
[Somchem S385]*
<<locked>>
81%
34563
55%
**02
94%
Vihtavuori N135
<<locked>>
81%
47471
76%
**39
100%
Vihtavuori N150
<<locked>>
81%
41901
67%
**90
100%
Vihtavuori N160
<<locked>>
81%
44063
71%
**85
100%
[Vihtavuori N165]*
<<locked>>
81%
28892
46%
**51
91%
Vihtavuori N550
<<locked>>
81%
44875
72%
**31
100%
Vihtavuori N555
<<locked>>
81%
32837
53%
**15
98%
[Vihtavuori N560]*
<<locked>>
84%
34011
55%
**61
90%
[Vihtavuori N565]*
<<locked>>
88%
32909
53%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41394
66%
**26
100%
Winchester 760
<<locked>>
81%
46978
75%
**80
99%
Winchester StaBALL HD
<<locked>>
81%
26092
42%
**29
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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