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

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 190gr | Sierra HP MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

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 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.671" | 17.0mm
Shank Seated Depth:
0.426" | 10.8mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5898_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 102 loads in caliber .300 Rem. Ultra Mag with .308 | 190gr | Sierra HP MatchKing bullet and 51 powders such as ADI AR 2213, Accurate MAGPRO, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565. 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%
58088
89%
**48
100%
ADI AR 2213 👍
<<locked>>
90%
57972
89%
**84
100%
ADI AR 2217
<<locked>>
97%
54708
84%
**25
100%
ADI AR 2218
<<locked>>
97%
47543
73%
**89
96%
ADI AR 2225
<<locked>>
97%
49879
77%
**92
100%
Accurate 3100
<<locked>>
90%
57957
89%
**69
100%
Accurate MAGPRO 👍
<<locked>>
90%
58088
89%
**90
99%
Alliant Reloder-16
<<locked>>
83%
58204
90%
**35
100%
Alliant Reloder-19
<<locked>>
87%
58131
89%
**48
100%
Alliant Reloder-22
<<locked>>
90%
58421
90%
**81
100%
Alliant Reloder-23
<<locked>>
91%
58030
89%
**08
100%
Alliant Reloder-25
<<locked>>
95%
58102
89%
**74
100%
Alliant Reloder-26
<<locked>>
86%
58088
89%
**87
100%
Alliant Reloder-33
<<locked>>
97%
52678
81%
**51
97%
[Alliant Reloder-50]*
<<locked>>
97%
44788
69%
**00
94%
Hodgdon H1000
<<locked>>
97%
54708
84%
**25
100%
Hodgdon H4350
<<locked>>
85%
58102
89%
**92
100%
Hodgdon H4831 👍
<<locked>>
93%
58363
90%
**35
100%
Hodgdon H4831 SC
<<locked>>
89%
58030
89%
**25
99%
Hodgdon Hybrid 100V
<<locked>>
85%
57841
89%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
49879
77%
**92
100%
Hodgdon TrailBoss
<<locked>>
97%
36071
56%
**78
100%
IMR 4350
<<locked>>
84%
58450
90%
**92
100%
IMR 4831
<<locked>>
86%
58117
89%
**82
100%
IMR 4955 Enduron
<<locked>>
90%
57870
89%
**05
100%
IMR 7828 SSC
<<locked>>
89%
58189
90%
**84
100%
IMR 7977 Enduron
<<locked>>
95%
58175
90%
**66
95%
IMR 8133 Enduron
<<locked>>
97%
45469
70%
**07
99%
[Lovex D100]*
<<locked>>
97%
54853
84%
**43
93%
Lovex S071
<<locked>>
95%
57957
89%
**69
100%
Norma 217
<<locked>>
97%
46180
71%
**30
100%
Norma MRP
<<locked>>
88%
58276
90%
**84
100%
Ramshot Hunter
<<locked>>
83%
58436
90%
**25
100%
Ramshot Magnum
<<locked>>
90%
58102
89%
**41
100%
ReloadSwiss RS 14
<<locked>>
96%
36796
57%
**18
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57885
89%
**36
100%
ReloadSwiss RS 80
<<locked>>
97%
58363
90%
**23
100%
Rottweil R 904
<<locked>>
87%
58117
89%
**12
100%
Rottweil R 905
<<locked>>
87%
57885
89%
**35
100%
Somchem S361
<<locked>>
86%
57798
89%
**72
99%
Somchem S365
<<locked>>
84%
57711
89%
**82
100%
Somchem S385
<<locked>>
87%
57986
89%
**02
100%
Vihtavuori N150
<<locked>>
83%
57885
89%
**07
100%
Vihtavuori N165
<<locked>>
92%
58465
90%
**92
100%
Vihtavuori N170
<<locked>>
97%
50995
78%
**00
95%
Vihtavuori N555
<<locked>>
88%
58378
90%
**12
100%
Vihtavuori N560
<<locked>>
89%
58204
90%
**94
100%
Vihtavuori N565 👍
<<locked>>
94%
58378
90%
**74
100%
Vihtavuori N568
<<locked>>
96%
57725
89%
**10
99%
Vihtavuori N570
<<locked>>
97%
56086
86%
**17
98%
Winchester StaBALL HD
<<locked>>
91%
57682
89%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47413
73%
**84
99%
ADI AR 2213
<<locked>>
81%
42482
65%
**21
97%
[ADI AR 2217]*
<<locked>>
81%
31705
49%
**62
93%
[ADI AR 2218]*
<<locked>>
90%
36724
57%
**33
90%
ADI AR 2225
<<locked>>
81%
28964
45%
**29
95%
Accurate 3100
<<locked>>
81%
43308
67%
**56
100%
Accurate MAGPRO
<<locked>>
81%
42540
65%
**21
96%
Alliant Reloder-16
<<locked>>
81%
54433
84%
**85
100%
Alliant Reloder-19
<<locked>>
81%
47384
73%
**71
99%
Alliant Reloder-22
<<locked>>
81%
43221
67%
**25
99%
Alliant Reloder-23
<<locked>>
81%
41858
64%
**72
100%
Alliant Reloder-25
<<locked>>
81%
36216
56%
**13
100%
Alliant Reloder-26
<<locked>>
81%
47630
73%
**30
100%
[Alliant Reloder-33]*
<<locked>>
86%
34722
53%
**87
90%
[Alliant Reloder-50]*
<<locked>>
91%
35404
54%
**00
90%
[Hodgdon H1000]*
<<locked>>
81%
31705
49%
**62
93%
Hodgdon H4350
<<locked>>
81%
50502
78%
**80
100%
Hodgdon H4831
<<locked>>
81%
39813
61%
**13
96%
Hodgdon H4831 SC
<<locked>>
81%
44396
68%
**05
97%
Hodgdon Hybrid 100V
<<locked>>
81%
51169
79%
**61
100%
Hodgdon Retumbo
<<locked>>
81%
28964
45%
**29
95%
Hodgdon TrailBoss
<<locked>>
82%
29153
45%
**44
100%
IMR 4350
<<locked>>
81%
53026
82%
**20
100%
IMR 4831
<<locked>>
81%
48675
75%
**51
100%
IMR 4955 Enduron
<<locked>>
81%
43845
67%
**66
97%
IMR 7828 SSC
<<locked>>
81%
43932
68%
**57
98%
[IMR 7977 Enduron]*
<<locked>>
85%
42395
65%
**97
90%
[IMR 8133 Enduron]*
<<locked>>
82%
26919
41%
**67
90%
[Lovex D100]*
<<locked>>
92%
46398
71%
**02
90%
Lovex S071
<<locked>>
81%
37260
57%
**41
99%
[Norma 217]*
<<locked>>
81%
26498
41%
**77
93%
Norma MRP
<<locked>>
81%
45832
71%
**00
100%
Ramshot Hunter
<<locked>>
81%
54346
84%
**69
100%
Ramshot Magnum
<<locked>>
81%
41031
63%
**79
99%
ReloadSwiss RS 14
<<locked>>
81%
29414
45%
**70
100%
ReloadSwiss RS 76
<<locked>>
81%
34693
53%
**23
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
31633
49%
**05
92%
Rottweil R 904
<<locked>>
81%
48211
74%
**54
99%
Rottweil R 905
<<locked>>
81%
46833
72%
**61
99%
Somchem S361
<<locked>>
81%
49443
76%
**41
98%
Somchem S365
<<locked>>
81%
52736
81%
**17
100%
Somchem S385
<<locked>>
81%
47297
73%
**38
100%
Vihtavuori N150
<<locked>>
81%
54230
83%
**57
100%
Vihtavuori N165
<<locked>>
81%
40234
62%
**00
98%
[Vihtavuori N170]*
<<locked>>
87%
37550
58%
**48
90%
Vihtavuori N555
<<locked>>
81%
46630
72%
**51
100%
Vihtavuori N560
<<locked>>
81%
43511
67%
**48
97%
Vihtavuori N565
<<locked>>
81%
37724
58%
**10
96%
[Vihtavuori N568]*
<<locked>>
81%
32822
51%
**34
92%
[Vihtavuori N570]*
<<locked>>
85%
35723
55%
**20
90%
Winchester StaBALL HD
<<locked>>
81%
39697
61%
**21
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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