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

Recommended Powder(s):

.300 PRC + .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:
<<locked>>
Caliber:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
99.0 Grains of Water | 6.43 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5908_C370
Last updated:
2026-01-21
Recommended Twist Rate:
1:11 - 1:10

Load data for 120 loads in caliber .300 PRC with .308 | 220gr | Sierra HP MatchKing bullet and 60 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".

  • No data yet

  • 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>>
88%
57899
89%
**43
100%
ADI AR 2213 👍
<<locked>>
91%
58378
90%
**92
100%
ADI AR 2217
<<locked>>
97%
52228
80%
**00
100%
ADI AR 2218
<<locked>>
97%
45353
70%
**57
95%
ADI AR 2225
<<locked>>
97%
47268
73%
**64
100%
Accurate 3100
<<locked>>
91%
58131
89%
**77
100%
Accurate MAGPRO 👍
<<locked>>
91%
58001
89%
**99
99%
Alliant Reloder-16
<<locked>>
84%
58334
90%
**26
100%
Alliant Reloder-19
<<locked>>
88%
58204
90%
**43
100%
Alliant Reloder-22
<<locked>>
91%
57957
89%
**72
100%
Alliant Reloder-23
<<locked>>
92%
57624
89%
**03
100%
Alliant Reloder-25
<<locked>>
96%
57943
89%
**79
100%
Alliant Reloder-26
<<locked>>
88%
58320
90%
**99
100%
Alliant Reloder-33
<<locked>>
97%
48863
75%
**17
96%
[Alliant Reloder-50]*
<<locked>>
97%
41162
63%
**56
93%
Baschieri & Pellagri 109
<<locked>>
93%
58160
90%
**40
98%
Bofors RP15
<<locked>>
93%
58450
90%
**79
100%
Bofors RP30
<<locked>>
97%
55767
86%
**69
100%
Bofors RP5
<<locked>>
91%
57957
89%
**72
100%
Hodgdon H1000
<<locked>>
97%
52228
80%
**00
100%
Hodgdon H4350
<<locked>>
86%
58175
90%
**84
100%
Hodgdon H4831
<<locked>>
94%
58378
90%
**36
100%
Hodgdon H4831 SC
<<locked>>
90%
58378
90%
**36
100%
Hodgdon Hybrid 100V
<<locked>>
86%
58276
90%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
47268
73%
**64
100%
IMR 4350
<<locked>>
85%
58189
90%
**80
100%
IMR 4831
<<locked>>
87%
58262
90%
**80
100%
IMR 4955 Enduron
<<locked>>
91%
58378
90%
**00
100%
IMR 7828 SSC 👍
<<locked>>
90%
58001
89%
**89
100%
IMR 7977 Enduron
<<locked>>
96%
58349
90%
**71
95%
IMR 8133 Enduron
<<locked>>
97%
43279
67%
**85
98%
[Lovex D100]*
<<locked>>
97%
51764
80%
**18
92%
Lovex S070
<<locked>>
83%
57957
89%
**77
100%
Lovex S071
<<locked>>
96%
58131
89%
**77
100%
Norma 204
<<locked>>
84%
57841
89%
**17
100%
Norma 217
<<locked>>
97%
43758
67%
**05
100%
Norma MRP
<<locked>>
89%
58450
90%
**95
100%
Norma URP
<<locked>>
84%
58479
90%
**97
100%
Ramshot Grand
<<locked>>
88%
57986
89%
**02
100%
Ramshot Hunter
<<locked>>
84%
58262
90%
**23
100%
Ramshot Magnum
<<locked>>
91%
58479
90%
**59
100%
ReloadSwiss RS 14
<<locked>>
97%
36927
57%
**86
100%
ReloadSwiss RS 70
<<locked>>
83%
58059
89%
**56
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
58146
89%
**61
100%
ReloadSwiss RS 80
<<locked>>
97%
54157
83%
**92
99%
Rottweil R 904
<<locked>>
88%
58305
90%
**03
100%
Rottweil R 905
<<locked>>
88%
57754
89%
**36
100%
[Shooters World 50 BMG]*
<<locked>>
97%
51764
80%
**18
92%
Somchem S361
<<locked>>
87%
58102
89%
**77
100%
Somchem S365
<<locked>>
85%
58421
90%
**87
100%
Somchem S385
<<locked>>
88%
58160
90%
**07
100%
Vihtavuori N150
<<locked>>
84%
57957
89%
**89
100%
Vihtavuori N165
<<locked>>
93%
58276
90%
**94
100%
Vihtavuori N170
<<locked>>
97%
48805
75%
**85
95%
Vihtavuori N555
<<locked>>
89%
58088
89%
**13
100%
Vihtavuori N560 👍
<<locked>>
91%
58204
90%
**05
100%
Vihtavuori N565
<<locked>>
95%
58015
89%
**82
100%
Vihtavuori N568
<<locked>>
97%
55492
85%
**99
99%
Vihtavuori N570
<<locked>>
97%
52924
81%
**92
97%
Winchester StaBALL HD
<<locked>>
92%
58001
89%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46108
71%
**52
99%
ADI AR 2213
<<locked>>
81%
41379
64%
**00
97%
[ADI AR 2217]*
<<locked>>
81%
30835
47%
**57
93%
[ADI AR 2218]*
<<locked>>
91%
36172
56%
**44
90%
ADI AR 2225
<<locked>>
81%
28065
43%
**21
95%
Accurate 3100
<<locked>>
81%
41989
65%
**38
100%
Accurate MAGPRO
<<locked>>
81%
40959
63%
**03
95%
Alliant Reloder-16
<<locked>>
81%
52997
82%
**51
100%
Alliant Reloder-19
<<locked>>
81%
46093
71%
**52
99%
Alliant Reloder-22
<<locked>>
81%
41930
65%
**03
99%
Alliant Reloder-23
<<locked>>
81%
40712
63%
**48
100%
Alliant Reloder-25
<<locked>>
81%
35056
54%
**95
100%
Alliant Reloder-26
<<locked>>
81%
45498
70%
**05
100%
[Alliant Reloder-33]*
<<locked>>
87%
34069
52%
**98
90%
[Alliant Reloder-50]*
<<locked>>
92%
34693
53%
**15
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
40437
62%
**18
94%
Bofors RP15
<<locked>>
81%
39030
60%
**44
98%
Bofors RP30
<<locked>>
81%
32430
50%
**23
95%
Bofors RP5
<<locked>>
81%
41930
65%
**03
99%
[Hodgdon H1000]*
<<locked>>
81%
30835
47%
**57
93%
Hodgdon H4350
<<locked>>
81%
49472
76%
**56
100%
Hodgdon H4831
<<locked>>
81%
38798
60%
**98
96%
Hodgdon H4831 SC
<<locked>>
81%
43395
67%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
81%
49850
77%
**39
100%
Hodgdon Retumbo
<<locked>>
81%
28065
43%
**21
95%
IMR 4350
<<locked>>
81%
51895
80%
**95
100%
IMR 4831
<<locked>>
81%
47688
73%
**26
100%
IMR 4955 Enduron
<<locked>>
81%
42873
66%
**48
97%
IMR 7828 SSC
<<locked>>
81%
42554
65%
**33
98%
[IMR 7977 Enduron]*
<<locked>>
86%
42163
65%
**02
90%
[IMR 8133 Enduron]*
<<locked>>
82%
26165
40%
**62
90%
[Lovex D100]*
<<locked>>
93%
45934
71%
**16
90%
Lovex S070
<<locked>>
81%
53998
83%
**18
100%
Lovex S071
<<locked>>
81%
36260
56%
**23
99%
Norma 204
<<locked>>
81%
52533
81%
**41
100%
[Norma 217]*
<<locked>>
81%
25498
39%
**62
93%
Norma MRP
<<locked>>
81%
44208
68%
**72
100%
Norma URP
<<locked>>
81%
53882
83%
**38
100%
Ramshot Grand
<<locked>>
81%
44817
69%
**85
99%
Ramshot Hunter
<<locked>>
81%
52620
81%
**44
100%
Ramshot Magnum
<<locked>>
81%
39291
60%
**54
99%
ReloadSwiss RS 14
<<locked>>
92%
34838
54%
**50
100%
ReloadSwiss RS 70
<<locked>>
81%
54027
83%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
33257
51%
**95
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
30211
46%
**87
91%
Rottweil R 904
<<locked>>
81%
47297
73%
**33
99%
Rottweil R 905
<<locked>>
81%
45498
70%
**39
99%
[Shooters World 50 BMG]*
<<locked>>
93%
45934
71%
**16
90%
Somchem S361
<<locked>>
81%
48008
74%
**30
98%
Somchem S365
<<locked>>
81%
51198
79%
**89
100%
Somchem S385
<<locked>>
81%
46238
71%
**20
100%
Vihtavuori N150
<<locked>>
81%
53374
82%
**33
100%
Vihtavuori N165
<<locked>>
81%
39044
60%
**82
98%
[Vihtavuori N170]*
<<locked>>
88%
37289
57%
**52
90%
Vihtavuori N555
<<locked>>
81%
45281
70%
**26
100%
Vihtavuori N560
<<locked>>
81%
42177
65%
**33
97%
Vihtavuori N565
<<locked>>
81%
36535
56%
**92
96%
[Vihtavuori N568]*
<<locked>>
81%
31676
49%
**13
91%
[Vihtavuori N570]*
<<locked>>
85%
34853
54%
**21
90%
Winchester StaBALL HD
<<locked>>
81%
37811
58%
**97
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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