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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 )

Bullet:
.308 | 240gr | Sierra HPBT LR MatchKing
Manufacturer SKU:
9245
Bullet Weight:
240gr | 15.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.590" | 40.4mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.689" | 17.5mm
Shank Seated Depth:
0.433" | 11.0mm
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_B5912_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

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
<<locked>>
85%
54389
89%
**62
100%
ADI AR 2213
<<locked>>
88%
54331
89%
**12
100%
ADI AR 2217 👍
<<locked>>
97%
53809
88%
**05
100%
ADI AR 2218
<<locked>>
97%
46035
76%
**66
96%
ADI AR 2225 👍
<<locked>>
97%
48733
80%
**75
100%
Accurate 3100
<<locked>>
88%
54636
90%
**13
100%
Accurate MAGPRO
<<locked>>
88%
54723
90%
**25
99%
Alliant Reloder-19
<<locked>>
85%
54592
90%
**66
100%
Alliant Reloder-22
<<locked>>
88%
54650
90%
**05
100%
Alliant Reloder-23
<<locked>>
89%
54665
90%
**43
100%
Alliant Reloder-25
<<locked>>
93%
54520
89%
**12
100%
Alliant Reloder-26
<<locked>>
85%
54114
89%
**15
100%
Alliant Reloder-33
<<locked>>
97%
50749
83%
**31
98%
Alliant Reloder-50
<<locked>>
97%
42888
70%
**93
95%
Hodgdon H1000 👍
<<locked>>
97%
53809
88%
**05
100%
Hodgdon H4350
<<locked>>
83%
54447
89%
**07
100%
Hodgdon H4831
<<locked>>
91%
54447
89%
**56
100%
Hodgdon H4831 SC
<<locked>>
87%
54230
89%
**56
100%
Hodgdon Retumbo 👍
<<locked>>
97%
48733
80%
**75
100%
IMR 4831
<<locked>>
85%
54476
89%
**03
100%
IMR 4955 Enduron
<<locked>>
88%
54302
89%
**26
100%
IMR 7828 SSC
<<locked>>
87%
54607
90%
**21
100%
IMR 7977 Enduron
<<locked>>
93%
54172
89%
**97
95%
IMR 8133 Enduron
<<locked>>
97%
44715
73%
**00
99%
[Lovex D100]*
<<locked>>
97%
53301
88%
**36
94%
Lovex S071
<<locked>>
93%
54215
89%
**10
100%
Norma 217
<<locked>>
97%
45382
75%
**20
100%
Norma MRP
<<locked>>
86%
54607
90%
**15
100%
Ramshot Magnum
<<locked>>
89%
54824
90%
**89
100%
ReloadSwiss RS 76
<<locked>>
94%
54766
90%
**94
100%
ReloadSwiss RS 80
<<locked>>
96%
54781
90%
**77
100%
Rottweil R 904
<<locked>>
85%
54505
89%
**33
100%
Rottweil R 905
<<locked>>
86%
54433
89%
**56
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
38377
63%
**33
93%
Somchem S361
<<locked>>
84%
54462
89%
**07
100%
Somchem S385
<<locked>>
85%
54679
90%
**30
100%
Vihtavuori N165
<<locked>>
91%
54665
90%
**20
100%
Vihtavuori N170
<<locked>>
97%
50183
82%
**90
96%
Vihtavuori N555
<<locked>>
86%
54665
90%
**43
100%
Vihtavuori N560
<<locked>>
88%
54360
89%
**28
100%
Vihtavuori N565 👍
<<locked>>
92%
54592
90%
**15
100%
Vihtavuori N568
<<locked>>
95%
54418
89%
**57
99%
Vihtavuori N570
<<locked>>
97%
54752
90%
**00
98%
Winchester StaBALL HD
<<locked>>
89%
54172
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47369
78%
**57
100%
ADI AR 2213
<<locked>>
81%
42511
70%
**08
98%
ADI AR 2217
<<locked>>
81%
31720
52%
**82
95%
[ADI AR 2218]*
<<locked>>
88%
34243
56%
**00
90%
ADI AR 2225
<<locked>>
81%
28935
47%
**56
97%
Accurate 3100
<<locked>>
81%
43047
71%
**46
100%
Accurate MAGPRO
<<locked>>
81%
42206
69%
**15
97%
Alliant Reloder-19
<<locked>>
81%
47166
77%
**48
100%
Alliant Reloder-22
<<locked>>
81%
43236
71%
**18
99%
Alliant Reloder-23
<<locked>>
81%
41959
69%
**59
100%
Alliant Reloder-25
<<locked>>
81%
36100
59%
**10
100%
Alliant Reloder-26
<<locked>>
81%
47007
77%
**10
100%
[Alliant Reloder-33]*
<<locked>>
84%
31807
52%
**41
90%
[Alliant Reloder-50]*
<<locked>>
89%
32300
53%
**64
90%
Hodgdon H1000
<<locked>>
81%
31720
52%
**82
95%
Hodgdon H4350
<<locked>>
81%
50633
83%
**57
100%
Hodgdon H4831
<<locked>>
81%
39798
65%
**13
97%
Hodgdon H4831 SC
<<locked>>
81%
44425
73%
**98
98%
Hodgdon Retumbo
<<locked>>
81%
28935
47%
**56
97%
IMR 4831
<<locked>>
81%
48733
80%
**21
100%
IMR 4955 Enduron
<<locked>>
81%
43845
72%
**59
98%
IMR 7828 SSC
<<locked>>
81%
43830
72%
**41
99%
[IMR 7977 Enduron]*
<<locked>>
83%
39421
65%
**44
90%
[IMR 8133 Enduron]*
<<locked>>
81%
26426
43%
**83
92%
[Lovex D100]*
<<locked>>
91%
43149
71%
**65
90%
Lovex S071
<<locked>>
81%
37159
61%
**38
100%
Norma 217
<<locked>>
81%
26440
43%
**00
95%
Norma MRP
<<locked>>
81%
45716
75%
**80
100%
Ramshot Magnum
<<locked>>
81%
40408
66%
**65
99%
ReloadSwiss RS 76
<<locked>>
81%
34345
56%
**29
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
31328
51%
**31
93%
Rottweil R 904
<<locked>>
81%
48196
79%
**34
99%
Rottweil R 905
<<locked>>
81%
46876
77%
**44
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
33315
55%
**24
90%
Somchem S361
<<locked>>
81%
49066
81%
**28
99%
Somchem S385
<<locked>>
81%
47311
78%
**25
100%
Vihtavuori N165
<<locked>>
81%
40219
66%
**93
99%
[Vihtavuori N170]*
<<locked>>
85%
34867
57%
**98
90%
Vihtavuori N555
<<locked>>
81%
46615
77%
**25
100%
Vihtavuori N560
<<locked>>
81%
43395
71%
**41
98%
Vihtavuori N565
<<locked>>
81%
37710
62%
**20
97%
[Vihtavuori N568]*
<<locked>>
81%
32634
54%
**44
93%
[Vihtavuori N570]*
<<locked>>
82%
32576
53%
**64
90%
Winchester StaBALL HD
<<locked>>
81%
39421
65%
**08
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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