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Load data for .300 Lapua Mag. + .308 | 240gr | Sierra HPBT LR MatchKing

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

.300 Lapua Mag. + .308 | 240gr | Sierra HPBT LR MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 88 loads in caliber .300 Lapua Mag. with .308 | 240gr | Sierra HPBT LR MatchKing bullet and 44 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, 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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    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
85%
89%
100%
ADI AR 2213
88%
89%
100%
ADI AR 2217
97%
88%
100%
ADI AR 2218
97%
76%
96%
ADI AR 2225
97%
80%
100%
Accurate 3100
88%
90%
100%
Accurate MAGPRO
88%
90%
99%
Alliant Reloder-19
85%
90%
100%
Alliant Reloder-22
88%
90%
100%
Alliant Reloder-23
89%
90%
100%
Alliant Reloder-25
93%
89%
100%
Alliant Reloder-26
85%
89%
100%
Alliant Reloder-33
97%
83%
98%
Alliant Reloder-50
97%
70%
95%
Hodgdon H1000
97%
88%
100%
Hodgdon H4350
83%
89%
100%
Hodgdon H4831
91%
89%
100%
Hodgdon H4831 SC
87%
89%
100%
Hodgdon Retumbo
97%
80%
100%
IMR 4831
85%
89%
100%
IMR 4955 Enduron
88%
89%
100%
IMR 7828 SSC
87%
90%
100%
IMR 7977 Enduron
93%
89%
95%
IMR 8133 Enduron
97%
73%
99%
Lovex D100
97%
88%
94%
Lovex S071
93%
89%
100%
Norma 217
97%
75%
100%
Norma MRP
86%
90%
100%
Ramshot Magnum
89%
90%
100%
ReloadSwiss RS 76
94%
90%
100%
ReloadSwiss RS 80
96%
90%
100%
Rottweil R 904
85%
89%
100%
Rottweil R 905
86%
89%
100%
SNPE Vectan SP 13
97%
63%
93%
Somchem S361
84%
89%
100%
Somchem S385
85%
90%
100%
Vihtavuori N165
91%
90%
100%
Vihtavuori N170
97%
82%
96%
Vihtavuori N555
86%
90%
100%
Vihtavuori N560
88%
89%
100%
Vihtavuori N565
92%
90%
100%
Vihtavuori N568
95%
89%
99%
Vihtavuori N570
97%
90%
98%
Winchester StaBALL HD
89%
89%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
78%
100%
ADI AR 2213
81%
70%
98%
ADI AR 2217
81%
52%
95%
ADI AR 2218
88%
56%
90%
ADI AR 2225
81%
47%
97%
Accurate 3100
81%
71%
100%
Accurate MAGPRO
81%
69%
97%
Alliant Reloder-19
81%
77%
100%
Alliant Reloder-22
81%
71%
99%
Alliant Reloder-23
81%
69%
100%
Alliant Reloder-25
81%
59%
100%
Alliant Reloder-26
81%
77%
100%
Alliant Reloder-33
84%
52%
90%
Alliant Reloder-50
89%
53%
90%
Hodgdon H1000
81%
52%
95%
Hodgdon H4350
81%
83%
100%
Hodgdon H4831
81%
65%
97%
Hodgdon H4831 SC
81%
73%
98%
Hodgdon Retumbo
81%
47%
97%
IMR 4831
81%
80%
100%
IMR 4955 Enduron
81%
72%
98%
IMR 7828 SSC
81%
72%
99%
IMR 7977 Enduron
83%
65%
90%
IMR 8133 Enduron
81%
43%
92%
Lovex D100
91%
71%
90%
Lovex S071
81%
61%
100%
Norma 217
81%
43%
95%
Norma MRP
81%
75%
100%
Ramshot Magnum
81%
66%
99%
ReloadSwiss RS 76
81%
56%
99%
ReloadSwiss RS 80
81%
51%
93%
Rottweil R 904
81%
79%
99%
Rottweil R 905
81%
77%
100%
SNPE Vectan SP 13
93%
55%
90%
Somchem S361
81%
81%
99%
Somchem S385
81%
78%
100%
Vihtavuori N165
81%
66%
99%
Vihtavuori N170
85%
57%
90%
Vihtavuori N555
81%
77%
100%
Vihtavuori N560
81%
71%
98%
Vihtavuori N565
81%
62%
97%
Vihtavuori N568
81%
54%
93%
Vihtavuori N570
82%
53%
90%
Winchester StaBALL HD
81%
65%
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.

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