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Load data for .300 Lapua Mag. + .308 | 175gr | Sierra HPBT MatchKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Lapua Mag. + .308 | 175gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 175gr | Sierra HPBT MatchKing
Manufacturer SKU:
2275
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.240" | 31.5mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.339" | 8.6mm
Shank Seated Depth:
0.154" | 3.9mm
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_B5889_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 120 loads in caliber .300 Lapua Mag. with .308 | 175gr | Sierra HPBT MatchKing bullet and 60 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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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    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 2209 👍
<<locked>>
91%
54708
90%
**82
99%
ADI AR 2213
<<locked>>
94%
54070
89%
**12
98%
ADI AR 2217
<<locked>>
97%
44150
72%
**12
96%
ADI AR 2225
<<locked>>
97%
39537
65%
**62
98%
Accurate 3100
<<locked>>
94%
54476
89%
**23
100%
Accurate 4350
<<locked>>
85%
54346
89%
**36
100%
Accurate MAGPRO
<<locked>>
94%
54331
89%
**18
96%
Alliant Reloder-16
<<locked>>
86%
54259
89%
**79
100%
Alliant Reloder-19 👍
<<locked>>
91%
54679
90%
**76
99%
Alliant Reloder-22
<<locked>>
94%
54056
89%
**02
99%
Alliant Reloder-23
<<locked>>
95%
54331
89%
**76
100%
Alliant Reloder-25 👍
<<locked>>
97%
49603
81%
**59
100%
Alliant Reloder-26
<<locked>>
91%
54766
90%
**61
100%
Hodgdon H1000
<<locked>>
97%
44150
72%
**12
96%
Hodgdon H4350
<<locked>>
88%
54244
89%
**13
99%
Hodgdon H4831
<<locked>>
96%
54665
90%
**56
97%
Hodgdon H4831 SC
<<locked>>
93%
54665
90%
**56
97%
Hodgdon Hybrid 100V
<<locked>>
88%
54389
89%
**07
100%
Hodgdon LVR
<<locked>>
84%
54592
90%
**49
100%
Hodgdon Retumbo
<<locked>>
97%
39537
65%
**62
98%
Hodgdon Superperformance
<<locked>>
84%
54476
89%
**92
100%
Hodgdon TrailBoss
<<locked>>
97%
35563
58%
**41
100%
IMR 4350
<<locked>>
87%
54578
90%
**13
99%
IMR 4831
<<locked>>
90%
54360
89%
**30
100%
IMR 4955 Enduron
<<locked>>
93%
54273
89%
**20
98%
IMR 7828 SSC
<<locked>>
93%
54447
89%
**22
98%
[IMR 8133 Enduron]*
<<locked>>
97%
35476
58%
**57
92%
Lovex S065
<<locked>>
85%
54795
90%
**97
100%
Lovex S070
<<locked>>
86%
54781
90%
**27
100%
Lovex S071
<<locked>>
97%
50502
83%
**58
100%
Norma 204
<<locked>>
86%
54273
89%
**53
99%
Norma 217
<<locked>>
97%
35418
58%
**84
95%
Norma MRP 👍
<<locked>>
92%
54346
89%
**35
100%
Norma URP
<<locked>>
86%
54752
90%
**46
100%
Ramshot Hunter
<<locked>>
86%
54520
89%
**63
100%
Ramshot Magnum
<<locked>>
94%
54244
89%
**89
99%
ReloadSwiss RS 14
<<locked>>
96%
36230
59%
**83
100%
ReloadSwiss RS 60
<<locked>>
83%
54534
90%
**99
100%
ReloadSwiss RS 62
<<locked>>
85%
54694
90%
**63
100%
ReloadSwiss RS 70
<<locked>>
86%
54665
90%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
48805
80%
**09
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
43932
72%
**77
94%
Rottweil R 904
<<locked>>
90%
54795
90%
**33
98%
Rottweil R 905 👍
<<locked>>
91%
54389
89%
**76
99%
Rottweil R 907
<<locked>>
84%
54360
89%
**00
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
54505
89%
**61
100%
Shooters World Long Rifle
<<locked>>
85%
54795
90%
**97
100%
Somchem S361
<<locked>>
89%
54447
89%
**00
97%
Somchem S365
<<locked>>
88%
54810
90%
**49
100%
Somchem S385
<<locked>>
91%
54433
89%
**33
99%
Vihtavuori N150
<<locked>>
86%
54418
89%
**48
100%
Vihtavuori N160
<<locked>>
84%
54331
89%
**04
100%
Vihtavuori N165
<<locked>>
96%
54476
89%
**30
99%
Vihtavuori N550
<<locked>>
83%
54708
90%
**49
100%
Vihtavuori N555
<<locked>>
92%
54404
89%
**72
100%
Vihtavuori N560
<<locked>>
94%
54766
90%
**45
98%
Vihtavuori N565
<<locked>>
97%
52388
86%
**79
97%
[Vihtavuori N568]*
<<locked>>
97%
45571
75%
**97
94%
Winchester 6.5 StaBALL
<<locked>>
85%
54099
89%
**74
100%
Winchester StaBALL HD
<<locked>>
96%
54404
89%
**91
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39595
65%
**84
95%
[ADI AR 2213]*
<<locked>>
81%
35302
58%
**02
92%
[ADI AR 2217]*
<<locked>>
88%
33083
54%
**33
90%
[ADI AR 2225]*
<<locked>>
86%
27543
45%
**05
90%
Accurate 3100
<<locked>>
81%
35389
58%
**49
97%
Accurate 4350
<<locked>>
81%
47485
78%
**25
100%
[Accurate MAGPRO]*
<<locked>>
83%
36753
60%
**57
90%
Alliant Reloder-16
<<locked>>
81%
45281
74%
**31
100%
Alliant Reloder-19
<<locked>>
81%
39566
65%
**80
95%
[Alliant Reloder-22]*
<<locked>>
81%
35302
58%
**12
94%
Alliant Reloder-23
<<locked>>
81%
33939
56%
**85
99%
Alliant Reloder-25
<<locked>>
81%
29602
49%
**84
95%
Alliant Reloder-26
<<locked>>
81%
37101
61%
**23
99%
[Hodgdon H1000]*
<<locked>>
88%
33083
54%
**33
90%
Hodgdon H4350
<<locked>>
81%
43178
71%
**10
98%
[Hodgdon H4831]*
<<locked>>
81%
33547
55%
**16
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37014
61%
**05
92%
Hodgdon Hybrid 100V
<<locked>>
81%
42757
70%
**13
100%
Hodgdon LVR
<<locked>>
81%
49821
82%
**61
100%
[Hodgdon Retumbo]*
<<locked>>
86%
27543
45%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
48979
80%
**00
99%
Hodgdon TrailBoss
<<locked>>
81%
28239
46%
**83
100%
IMR 4350
<<locked>>
81%
45556
75%
**53
98%
IMR 4831
<<locked>>
81%
41046
67%
**84
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37362
61%
**79
92%
[IMR 7828 SSC]*
<<locked>>
81%
36187
59%
**41
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32227
53%
**62
90%
Lovex S065
<<locked>>
81%
48979
80%
**02
100%
Lovex S070
<<locked>>
81%
47384
78%
**89
99%
Lovex S071
<<locked>>
81%
30284
50%
**21
95%
Norma 204
<<locked>>
81%
45527
75%
**89
97%
[Norma 217]*
<<locked>>
90%
28239
46%
**67
90%
Norma MRP
<<locked>>
81%
36883
61%
**87
96%
Norma URP
<<locked>>
81%
46456
76%
**08
100%
Ramshot Hunter
<<locked>>
81%
45426
75%
**05
99%
[Ramshot Magnum]*
<<locked>>
81%
32648
54%
**43
93%
ReloadSwiss RS 14
<<locked>>
81%
28921
47%
**22
100%
ReloadSwiss RS 60
<<locked>>
81%
50705
83%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
47326
78%
**44
100%
ReloadSwiss RS 70
<<locked>>
81%
45658
75%
**64
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28427
47%
**64
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
35288
58%
**61
90%
Rottweil R 904
<<locked>>
81%
41017
67%
**67
95%
Rottweil R 905
<<locked>>
81%
38943
64%
**71
95%
Rottweil R 907
<<locked>>
81%
50198
82%
**31
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48008
79%
**49
99%
Shooters World Long Rifle
<<locked>>
81%
48979
80%
**02
100%
[Somchem S361]*
<<locked>>
81%
41742
69%
**57
94%
Somchem S365
<<locked>>
81%
43453
71%
**66
100%
Somchem S385
<<locked>>
81%
39479
65%
**54
97%
Vihtavuori N150
<<locked>>
81%
46659
77%
**26
100%
Vihtavuori N160
<<locked>>
81%
50169
82%
**41
100%
[Vihtavuori N165]*
<<locked>>
81%
33112
54%
**87
93%
Vihtavuori N550
<<locked>>
81%
50546
83%
**84
100%
Vihtavuori N555
<<locked>>
81%
38058
62%
**57
99%
[Vihtavuori N560]*
<<locked>>
81%
35302
58%
**25
91%
[Vihtavuori N565]*
<<locked>>
83%
32590
53%
**39
90%
[Vihtavuori N568]*
<<locked>>
91%
36825
60%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47166
77%
**69
100%
Winchester StaBALL HD
<<locked>>
81%
29501
48%
**95
99%

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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