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Load data for .300 WSM + .308 | 220gr | Sierra HP MatchKing

Recommended Powder(s):

.300 WSM + .308 | 220gr | Sierra HP MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Sierra HP MatchKing
Manufacturer SKU:
2240
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.483" | 37.7mm
Caliber:
.300 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.756" | 19.2mm
Shank Seated Depth:
0.506" | 12.8mm
Case Capacity:
81.3 Grains of Water | 5.28 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5908_C378
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 164 loads in caliber .300 WSM with .308 | 220gr | Sierra HP MatchKing bullet and 82 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 26.7 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>>
86%
57290
90%
**26
100%
ADI AR 2209
<<locked>>
97%
56652
89%
**21
99%
ADI AR 2213
<<locked>>
97%
51082
80%
**75
98%
[ADI AR 2217]*
<<locked>>
97%
37086
58%
**03
93%
ADI AR 2225
<<locked>>
97%
32445
51%
**54
95%
Accurate 2700
<<locked>>
87%
56681
89%
**97
100%
Accurate 3100
<<locked>>
97%
49821
78%
**87
100%
Accurate 4064
<<locked>>
84%
57174
90%
**93
100%
Accurate 4350
<<locked>>
91%
56826
89%
**85
100%
Accurate MAGPRO
<<locked>>
97%
48414
76%
**52
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
56927
89%
**33
100%
Alliant Reloder-16
<<locked>>
93%
57014
89%
**31
100%
Alliant Reloder-17
<<locked>>
89%
57363
90%
**41
100%
Alliant Reloder-19
<<locked>>
97%
55883
88%
**08
99%
Alliant Reloder-22
<<locked>>
97%
49980
78%
**72
99%
Alliant Reloder-23
<<locked>>
97%
47529
74%
**13
100%
Alliant Reloder-25
<<locked>>
97%
41176
65%
**51
100%
Alliant Reloder-26 👍
<<locked>>
97%
53838
84%
**80
100%
Hodgdon CFE223
<<locked>>
84%
57261
90%
**89
100%
[Hodgdon H1000]*
<<locked>>
97%
37086
58%
**03
93%
Hodgdon H380
<<locked>>
85%
57232
90%
**59
100%
Hodgdon H414
<<locked>>
88%
56884
89%
**08
100%
Hodgdon H4350
<<locked>>
94%
56666
89%
**62
100%
Hodgdon H4831
<<locked>>
97%
46644
73%
**51
96%
Hodgdon H4831 SC
<<locked>>
97%
53447
84%
**59
97%
Hodgdon Hybrid 100V
<<locked>>
95%
56797
89%
**52
100%
Hodgdon LVR
<<locked>>
90%
57174
90%
**92
100%
Hodgdon Retumbo
<<locked>>
97%
32445
51%
**54
95%
Hodgdon Superperformance 👍
<<locked>>
90%
57072
89%
**48
100%
Hodgdon VARGET
<<locked>>
86%
56855
89%
**23
100%
IMR 4064
<<locked>>
87%
57159
90%
**13
100%
IMR 4166 Enduron
<<locked>>
87%
56956
89%
**16
100%
IMR 4350
<<locked>>
93%
57159
90%
**66
100%
IMR 4451 Enduron
<<locked>>
89%
57246
90%
**49
100%
IMR 4831
<<locked>>
96%
56449
88%
**72
100%
IMR 4955 Enduron
<<locked>>
97%
52330
82%
**07
97%
IMR 7828 SSC
<<locked>>
97%
51735
81%
**95
98%
Lovex S062
<<locked>>
84%
57116
89%
**03
100%
Lovex S065
<<locked>>
90%
57087
89%
**43
100%
Lovex S070
<<locked>>
91%
56753
89%
**59
100%
Lovex S071
<<locked>>
97%
41742
65%
**62
99%
Norma 203B
<<locked>>
84%
56768
89%
**46
100%
Norma 204 👍
<<locked>>
92%
57014
89%
**05
99%
[Norma 217]*
<<locked>>
97%
28776
45%
**95
92%
Norma MRP
<<locked>>
97%
52924
83%
**44
100%
Norma URP
<<locked>>
92%
57377
90%
**02
100%
Ramshot Big Game
<<locked>>
83%
57174
90%
**69
100%
Ramshot Hunter 👍
<<locked>>
93%
56724
89%
**15
100%
Ramshot Magnum
<<locked>>
97%
47921
75%
**26
99%
ReloadSwiss RS 50
<<locked>>
85%
56942
89%
**39
100%
ReloadSwiss RS 52
<<locked>>
83%
56652
89%
**56
100%
ReloadSwiss RS 60
<<locked>>
89%
57203
90%
**57
100%
ReloadSwiss RS 62
<<locked>>
92%
57261
90%
**18
100%
ReloadSwiss RS 70
<<locked>>
92%
57290
90%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
39262
62%
**57
98%
Rottweil R 902
<<locked>>
83%
57348
90%
**93
100%
Rottweil R 903
<<locked>>
87%
57188
90%
**33
100%
Rottweil R 904
<<locked>>
96%
56782
89%
**75
99%
Rottweil R 905
<<locked>>
97%
55216
87%
**95
99%
Rottweil R 907
<<locked>>
89%
57116
90%
**43
100%
SNPE Vectan SP 11
<<locked>>
86%
57232
90%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56971
89%
**11
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57145
90%
**03
100%
Shooters World Long Rifle
<<locked>>
90%
57087
89%
**43
100%
Shooters World Precision
<<locked>>
84%
57116
89%
**03
100%
Somchem S355
<<locked>>
87%
56971
89%
**26
100%
Somchem S361
<<locked>>
95%
57217
90%
**56
98%
Somchem S365
<<locked>>
94%
56536
89%
**98
100%
Somchem S385 👍
<<locked>>
97%
56115
88%
**79
100%
Vihtavuori N133
<<locked>>
83%
57290
90%
**98
100%
Vihtavuori N135
<<locked>>
88%
57130
90%
**41
100%
Vihtavuori N150
<<locked>>
92%
56927
89%
**90
100%
Vihtavuori N160
<<locked>>
90%
56855
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
46804
73%
**34
98%
Vihtavuori N540
<<locked>>
83%
57246
90%
**90
100%
Vihtavuori N550
<<locked>>
89%
56695
89%
**92
100%
Vihtavuori N555
<<locked>>
97%
53185
83%
**75
100%
Vihtavuori N560
<<locked>>
97%
50038
78%
**85
97%
Vihtavuori N565
<<locked>>
97%
41916
66%
**44
95%
Winchester 6.5 StaBALL
<<locked>>
92%
57406
90%
**43
100%
Winchester 760
<<locked>>
88%
56884
89%
**08
100%
Winchester StaBALL HD
<<locked>>
97%
41220
65%
**52
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49153
77%
**15
100%
[ADI AR 2209]*
<<locked>>
81%
34011
53%
**21
94%
[ADI AR 2213]*
<<locked>>
82%
31198
49%
**72
90%
[ADI AR 2217]*
<<locked>>
92%
31792
50%
**78
90%
[ADI AR 2225]*
<<locked>>
90%
26368
41%
**80
90%
Accurate 2700
<<locked>>
81%
47239
74%
**62
99%
Accurate 3100
<<locked>>
81%
29588
46%
**10
95%
Accurate 4064
<<locked>>
81%
51982
81%
**28
100%
Accurate 4350
<<locked>>
81%
40248
63%
**39
100%
[Accurate MAGPRO]*
<<locked>>
87%
35288
55%
**00
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49559
78%
**34
100%
Alliant Reloder-16
<<locked>>
81%
38870
61%
**49
100%
Alliant Reloder-17
<<locked>>
81%
44222
69%
**54
100%
[Alliant Reloder-19]*
<<locked>>
81%
33953
53%
**21
94%
[Alliant Reloder-22]*
<<locked>>
81%
29704
47%
**56
92%
Alliant Reloder-23
<<locked>>
81%
28456
45%
**36
98%
[Alliant Reloder-25]*
<<locked>>
81%
25179
39%
**44
93%
Alliant Reloder-26
<<locked>>
81%
30327
48%
**44
97%
Hodgdon CFE223
<<locked>>
81%
52156
82%
**26
100%
[Hodgdon H1000]*
<<locked>>
92%
31792
50%
**78
90%
Hodgdon H380
<<locked>>
81%
50647
79%
**64
100%
Hodgdon H414
<<locked>>
81%
45745
72%
**51
99%
Hodgdon H4350
<<locked>>
81%
37391
59%
**41
96%
[Hodgdon H4831]*
<<locked>>
85%
32430
51%
**62
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32213
50%
**59
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36506
57%
**47
100%
Hodgdon LVR
<<locked>>
81%
42830
67%
**82
100%
[Hodgdon Retumbo]*
<<locked>>
90%
26368
41%
**80
90%
Hodgdon Superperformance
<<locked>>
81%
40625
64%
**95
98%
Hodgdon VARGET
<<locked>>
81%
48733
76%
**11
100%
IMR 4064
<<locked>>
81%
48254
76%
**95
100%
IMR 4166 Enduron
<<locked>>
81%
47514
74%
**75
99%
IMR 4350
<<locked>>
81%
39537
62%
**87
97%
IMR 4451 Enduron
<<locked>>
81%
45556
71%
**75
99%
IMR 4831
<<locked>>
81%
35012
55%
**24
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32445
51%
**33
91%
[IMR 7828 SSC]*
<<locked>>
81%
31096
49%
**82
90%
Lovex S062
<<locked>>
81%
52112
82%
**38
100%
Lovex S065
<<locked>>
81%
42728
67%
**23
99%
Lovex S070
<<locked>>
81%
40988
64%
**16
98%
[Lovex S071]*
<<locked>>
81%
25425
40%
**01
93%
Norma 203B
<<locked>>
81%
52562
82%
**87
100%
Norma 204
<<locked>>
81%
38740
61%
**06
96%
[Norma 217]*
<<locked>>
94%
26194
41%
**16
90%
[Norma MRP]*
<<locked>>
81%
30777
48%
**15
94%
Norma URP
<<locked>>
81%
39769
62%
**29
99%
Ramshot Big Game
<<locked>>
81%
52939
83%
**07
100%
Ramshot Hunter
<<locked>>
81%
38406
60%
**23
98%
[Ramshot Magnum]*
<<locked>>
81%
27209
43%
**80
91%
ReloadSwiss RS 50
<<locked>>
81%
50444
79%
**51
100%
ReloadSwiss RS 52
<<locked>>
81%
52301
82%
**97
100%
ReloadSwiss RS 60
<<locked>>
81%
42728
67%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
39711
62%
**52
99%
ReloadSwiss RS 70
<<locked>>
81%
38450
60%
**65
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
26731
42%
**13
90%
Rottweil R 902
<<locked>>
81%
53940
85%
**48
100%
Rottweil R 903
<<locked>>
81%
47152
74%
**05
100%
[Rottweil R 904]*
<<locked>>
81%
35346
55%
**08
93%
[Rottweil R 905]*
<<locked>>
81%
32735
51%
**98
94%
Rottweil R 907
<<locked>>
81%
43903
69%
**43
98%
SNPE Vectan SP 11
<<locked>>
81%
48370
76%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48486
76%
**06
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42003
66%
**77
98%
Shooters World Long Rifle
<<locked>>
81%
42728
67%
**23
99%
Shooters World Precision
<<locked>>
81%
52112
82%
**38
100%
Somchem S355
<<locked>>
81%
47282
74%
**95
100%
[Somchem S361]*
<<locked>>
81%
35781
56%
**98
92%
Somchem S365
<<locked>>
81%
36114
57%
**93
100%
Somchem S385
<<locked>>
81%
33417
52%
**92
95%
Vihtavuori N133
<<locked>>
81%
53969
85%
**59
100%
Vihtavuori N135
<<locked>>
81%
46441
73%
**06
100%
Vihtavuori N150
<<locked>>
81%
40828
64%
**67
100%
Vihtavuori N160
<<locked>>
81%
42772
67%
**49
100%
[Vihtavuori N165]*
<<locked>>
81%
28137
44%
**57
92%
Vihtavuori N540
<<locked>>
81%
53113
83%
**41
100%
Vihtavuori N550
<<locked>>
81%
43526
68%
**95
100%
Vihtavuori N555
<<locked>>
81%
31618
50%
**05
98%
[Vihtavuori N560]*
<<locked>>
83%
31850
50%
**18
90%
[Vihtavuori N565]*
<<locked>>
87%
30443
48%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40263
63%
**03
100%
Winchester 760
<<locked>>
81%
45745
72%
**51
99%
Winchester StaBALL HD
<<locked>>
81%
25048
39%
**26
98%

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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