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

Recommended Powder(s):

.300 Lapua Mag. + .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 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.582" | 14.8mm
Shank Seated Depth:
0.332" | 8.4mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B5908_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:10

Load data for 94 loads in caliber .300 Lapua Mag. with .308 | 220gr | Sierra HP MatchKing bullet and 47 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 2209
<<locked>>
87%
54302
89%
**77
100%
ADI AR 2213 👍
<<locked>>
90%
54157
89%
**13
100%
ADI AR 2217
<<locked>>
97%
51010
84%
**71
99%
[ADI AR 2218]*
<<locked>>
97%
44222
73%
**21
94%
ADI AR 2225
<<locked>>
97%
46166
76%
**38
100%
Accurate 3100
<<locked>>
90%
54607
90%
**31
100%
Accurate MAGPRO 👍
<<locked>>
90%
54810
90%
**40
99%
Alliant Reloder-19
<<locked>>
87%
54781
90%
**80
100%
Alliant Reloder-22 👍
<<locked>>
90%
54491
89%
**10
100%
Alliant Reloder-23
<<locked>>
90%
54244
89%
**57
100%
Alliant Reloder-25
<<locked>>
95%
54346
89%
**26
100%
Alliant Reloder-26
<<locked>>
87%
54737
90%
**43
100%
Alliant Reloder-33
<<locked>>
97%
47543
78%
**84
96%
[Alliant Reloder-50]*
<<locked>>
97%
39900
66%
**33
93%
Hodgdon H1000
<<locked>>
97%
51010
84%
**71
99%
Hodgdon H4350
<<locked>>
85%
54708
90%
**28
100%
Hodgdon H4831
<<locked>>
92%
54418
89%
**64
99%
Hodgdon H4831 SC
<<locked>>
88%
54418
89%
**64
99%
Hodgdon Hybrid 100V
<<locked>>
84%
54273
89%
**85
100%
Hodgdon Retumbo
<<locked>>
97%
46166
76%
**38
100%
IMR 4350
<<locked>>
83%
54723
90%
**28
100%
IMR 4831
<<locked>>
86%
54679
90%
**25
100%
IMR 4955 Enduron
<<locked>>
89%
54520
89%
**41
99%
IMR 7828 SSC
<<locked>>
89%
54592
90%
**30
100%
[IMR 7977 Enduron]*
<<locked>>
94%
54694
90%
**05
94%
IMR 8133 Enduron
<<locked>>
97%
42018
69%
**52
98%
[Lovex D100]*
<<locked>>
97%
50575
83%
**85
91%
Lovex S071
<<locked>>
95%
54607
90%
**31
100%
Norma 217
<<locked>>
97%
42438
70%
**82
100%
Norma MRP
<<locked>>
87%
54302
89%
**30
100%
Ramshot Magnum
<<locked>>
90%
54505
89%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
36593
60%
**73
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
54389
89%
**12
100%
ReloadSwiss RS 80
<<locked>>
97%
52692
87%
**49
99%
Rottweil R 904
<<locked>>
86%
54418
89%
**41
100%
Rottweil R 905
<<locked>>
87%
54360
89%
**71
100%
Somchem S361
<<locked>>
85%
54723
90%
**21
99%
Somchem S365
<<locked>>
84%
54679
90%
**31
100%
Somchem S385
<<locked>>
87%
54781
90%
**44
100%
Vihtavuori N165
<<locked>>
92%
54259
89%
**35
100%
[Vihtavuori N170]*
<<locked>>
97%
47747
78%
**59
94%
Vihtavuori N555
<<locked>>
87%
54476
89%
**54
100%
Vihtavuori N560
<<locked>>
89%
54563
90%
**43
99%
Vihtavuori N565 👍
<<locked>>
94%
54708
90%
**23
99%
Vihtavuori N568
<<locked>>
97%
53896
88%
**62
99%
Vihtavuori N570
<<locked>>
97%
51547
85%
**56
97%
Winchester StaBALL HD
<<locked>>
91%
53838
88%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45237
74%
**30
99%
ADI AR 2213
<<locked>>
81%
40611
67%
**80
97%
[ADI AR 2217]*
<<locked>>
81%
30211
50%
**28
93%
[ADI AR 2218]*
<<locked>>
92%
36840
60%
**48
90%
ADI AR 2225
<<locked>>
81%
27514
45%
**95
95%
Accurate 3100
<<locked>>
81%
41147
68%
**18
100%
Accurate MAGPRO
<<locked>>
81%
40030
66%
**74
95%
Alliant Reloder-19
<<locked>>
81%
45252
74%
**23
99%
Alliant Reloder-22
<<locked>>
81%
41118
67%
**80
98%
Alliant Reloder-23
<<locked>>
81%
39755
65%
**34
100%
Alliant Reloder-25
<<locked>>
81%
34287
56%
**69
99%
Alliant Reloder-26
<<locked>>
81%
44599
73%
**82
100%
[Alliant Reloder-33]*
<<locked>>
88%
34185
56%
**92
90%
[Alliant Reloder-50]*
<<locked>>
93%
35273
58%
**21
90%
[Hodgdon H1000]*
<<locked>>
81%
30211
50%
**28
93%
Hodgdon H4350
<<locked>>
81%
48602
80%
**33
100%
Hodgdon H4831
<<locked>>
81%
37971
62%
**69
96%
Hodgdon H4831 SC
<<locked>>
81%
42540
70%
**64
97%
Hodgdon Hybrid 100V
<<locked>>
81%
49269
81%
**20
100%
Hodgdon Retumbo
<<locked>>
81%
27514
45%
**95
95%
IMR 4350
<<locked>>
81%
51053
84%
**72
100%
IMR 4831
<<locked>>
81%
46673
77%
**00
100%
IMR 4955 Enduron
<<locked>>
81%
42076
69%
**25
97%
IMR 7828 SSC
<<locked>>
81%
41785
69%
**13
98%
[IMR 7977 Enduron]*
<<locked>>
86%
42076
69%
**88
90%
[IMR 8133 Enduron]*
<<locked>>
83%
26527
44%
**69
90%
[Lovex D100]*
<<locked>>
94%
46514
76%
**16
90%
Lovex S071
<<locked>>
81%
35404
58%
**00
99%
[Norma 217]*
<<locked>>
81%
24860
41%
**33
92%
Norma MRP
<<locked>>
81%
43424
71%
**52
100%
Ramshot Magnum
<<locked>>
81%
38305
63%
**28
98%
ReloadSwiss RS 14
<<locked>>
93%
35027
57%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
32430
53%
**72
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
29428
48%
**64
90%
Rottweil R 904
<<locked>>
81%
46456
76%
**10
98%
Rottweil R 905
<<locked>>
81%
44614
73%
**13
99%
Somchem S361
<<locked>>
81%
47065
77%
**03
98%
Somchem S365
<<locked>>
81%
50169
82%
**66
100%
Somchem S385
<<locked>>
81%
45223
74%
**97
100%
Vihtavuori N165
<<locked>>
81%
38261
63%
**56
98%
[Vihtavuori N170]*
<<locked>>
89%
37608
62%
**52
90%
Vihtavuori N555
<<locked>>
81%
44295
73%
**00
100%
Vihtavuori N560
<<locked>>
81%
41104
67%
**97
97%
Vihtavuori N565
<<locked>>
81%
35737
59%
**69
95%
[Vihtavuori N568]*
<<locked>>
81%
30792
51%
**87
91%
[Vihtavuori N570]*
<<locked>>
86%
35056
58%
**21
90%
Winchester StaBALL HD
<<locked>>
81%
36941
61%
**77
100%

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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