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

Recommended Powder(s): Accurate MAGPRO, Hodgdon H4831, Hodgdon H4831 SC, Vihtavuori N560, Vihtavuori N565

.300 PRC + .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 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
3.645" | 92.6mm
Seated Depth:
0.525" | 13.3mm
Shank Seated Depth:
0.270" | 6.8mm
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_B5912_C370
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 132 loads in caliber .300 PRC with .308 | 240gr | Sierra HPBT LR MatchKing bullet and 66 powders such as Accurate MAGPRO, Hodgdon H4831, Hodgdon H4831 SC, Vihtavuori N560, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 31.6 fps

  • .

    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>>
90%
64759
100%
**13
100%
ADI AR 2213
<<locked>>
93%
64687
100%
**53
100%
ADI AR 2217
<<locked>>
97%
55114
85%
**35
100%
ADI AR 2218
<<locked>>
97%
47253
73%
**05
97%
ADI AR 2225
<<locked>>
97%
49922
77%
**02
100%
Accurate 3100
<<locked>>
93%
64832
100%
**48
100%
Accurate 4350
<<locked>>
84%
64585
99%
**44
100%
[Accurate 8700]*
<<locked>>
97%
37724
58%
**46
93%
Accurate MAGPRO 👍
<<locked>>
93%
64353
99%
**66
100%
Alliant Reloder-16
<<locked>>
86%
64281
99%
**74
100%
Alliant Reloder-19
<<locked>>
90%
64527
99%
**07
100%
Alliant Reloder-22
<<locked>>
93%
64861
100%
**43
100%
Alliant Reloder-23
<<locked>>
94%
64875
100%
**71
100%
Alliant Reloder-25
<<locked>>
97%
62627
96%
**13
100%
Alliant Reloder-26
<<locked>>
89%
64455
99%
**43
100%
Alliant Reloder-33
<<locked>>
97%
52547
81%
**67
98%
Alliant Reloder-50
<<locked>>
97%
44222
68%
**16
95%
Hodgdon H1000
<<locked>>
97%
55114
85%
**35
100%
Hodgdon H4350
<<locked>>
88%
64252
99%
**44
100%
Hodgdon H4831 👍
<<locked>>
95%
64759
100%
**07
100%
Hodgdon H4831 SC 👍
<<locked>>
92%
64353
99%
**97
100%
Hodgdon Hybrid 100V
<<locked>>
88%
64788
100%
**02
100%
Hodgdon LVR
<<locked>>
84%
64745
100%
**57
100%
Hodgdon Retumbo
<<locked>>
97%
49922
77%
**02
100%
IMR 4350
<<locked>>
87%
64252
99%
**44
100%
IMR 4451 Enduron
<<locked>>
83%
64368
99%
**31
100%
IMR 4831
<<locked>>
90%
64484
99%
**35
100%
IMR 4955 Enduron
<<locked>>
93%
64861
100%
**77
100%
IMR 7828 SSC
<<locked>>
91%
64469
99%
**53
100%
IMR 7977 Enduron
<<locked>>
97%
62381
96%
**25
97%
IMR 8133 Enduron
<<locked>>
97%
46035
71%
**33
99%
[Lovex D100]*
<<locked>>
97%
54549
84%
**66
94%
Lovex S065
<<locked>>
85%
64687
100%
**15
100%
Lovex S070
<<locked>>
86%
64643
99%
**41
100%
Lovex S071
<<locked>>
97%
62381
96%
**18
100%
Norma 204
<<locked>>
86%
64310
99%
**90
100%
Norma 217
<<locked>>
97%
46644
72%
**49
100%
Norma MRP
<<locked>>
91%
64977
100%
**53
100%
Norma URP
<<locked>>
86%
64846
100%
**57
100%
Ramshot Hunter
<<locked>>
86%
64875
100%
**84
100%
Ramshot Magnum
<<locked>>
93%
64440
99%
**10
100%
ReloadSwiss RS 62
<<locked>>
84%
64542
99%
**67
100%
ReloadSwiss RS 70
<<locked>>
85%
64832
100%
**10
100%
ReloadSwiss RS 76
<<locked>>
97%
63527
98%
**08
100%
ReloadSwiss RS 80
<<locked>>
97%
58204
90%
**33
100%
Rottweil R 904
<<locked>>
90%
64527
99%
**71
100%
Rottweil R 905
<<locked>>
90%
64643
99%
**00
100%
Rottweil R 907
<<locked>>
84%
64658
100%
**35
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
39769
61%
**65
93%
SNPE Vectan Tubal 7000
<<locked>>
85%
64440
99%
**85
100%
Shooters World Long Rifle
<<locked>>
85%
64687
100%
**15
100%
Somchem S361
<<locked>>
89%
64266
99%
**48
100%
Somchem S365
<<locked>>
87%
64716
100%
**31
100%
Somchem S385
<<locked>>
90%
64498
99%
**67
100%
Vihtavuori N150
<<locked>>
86%
64542
99%
**49
100%
Vihtavuori N160
<<locked>>
83%
64875
100%
**18
100%
Vihtavuori N165
<<locked>>
95%
64643
99%
**57
100%
Vihtavuori N170
<<locked>>
97%
51169
79%
**16
96%
Vihtavuori N550
<<locked>>
83%
64977
100%
**61
100%
Vihtavuori N555
<<locked>>
90%
64179
99%
**67
100%
Vihtavuori N560 👍
<<locked>>
92%
64440
99%
**69
100%
Vihtavuori N565 👍
<<locked>>
96%
64542
99%
**49
100%
Vihtavuori N568
<<locked>>
97%
58711
90%
**26
100%
Vihtavuori N570
<<locked>>
97%
56188
86%
**26
98%
Winchester 6.5 StaBALL
<<locked>>
85%
64614
99%
**89
100%
Winchester StaBALL HD
<<locked>>
93%
64208
99%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48283
74%
**80
100%
ADI AR 2213
<<locked>>
81%
43337
67%
**41
99%
ADI AR 2217
<<locked>>
81%
32387
50%
**08
96%
[ADI AR 2218]*
<<locked>>
87%
33576
52%
**87
90%
ADI AR 2225
<<locked>>
81%
29544
45%
**78
97%
Accurate 3100
<<locked>>
81%
43918
68%
**69
100%
Accurate 4350
<<locked>>
81%
57870
89%
**66
100%
[Accurate 8700]*
<<locked>>
93%
33330
51%
**44
90%
Accurate MAGPRO
<<locked>>
81%
43192
66%
**44
97%
Alliant Reloder-16
<<locked>>
81%
55492
85%
**69
100%
Alliant Reloder-19
<<locked>>
81%
48022
74%
**70
100%
Alliant Reloder-22
<<locked>>
81%
44092
68%
**41
99%
Alliant Reloder-23
<<locked>>
81%
42859
66%
**79
100%
Alliant Reloder-25
<<locked>>
81%
36927
57%
**33
100%
Alliant Reloder-26
<<locked>>
81%
48153
74%
**33
100%
[Alliant Reloder-33]*
<<locked>>
83%
31604
49%
**38
90%
[Alliant Reloder-50]*
<<locked>>
88%
32285
50%
**64
90%
Hodgdon H1000
<<locked>>
81%
32387
50%
**08
96%
Hodgdon H4350
<<locked>>
81%
51547
79%
**80
100%
Hodgdon H4831
<<locked>>
81%
40669
63%
**33
97%
Hodgdon H4831 SC
<<locked>>
81%
45223
70%
**21
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52127
80%
**51
100%
Hodgdon LVR
<<locked>>
81%
59611
92%
**95
100%
Hodgdon Retumbo
<<locked>>
81%
29544
45%
**78
97%
IMR 4350
<<locked>>
81%
53983
83%
**10
100%
IMR 4451 Enduron
<<locked>>
81%
60162
93%
**75
100%
IMR 4831
<<locked>>
81%
49792
77%
**48
100%
IMR 4955 Enduron
<<locked>>
81%
44672
69%
**85
98%
IMR 7828 SSC
<<locked>>
81%
44773
69%
**74
99%
[IMR 7977 Enduron]*
<<locked>>
82%
38653
59%
**38
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27035
42%
**03
92%
[Lovex D100]*
<<locked>>
90%
42699
66%
**69
90%
Lovex S065
<<locked>>
81%
57812
89%
**30
100%
Lovex S070
<<locked>>
81%
56260
87%
**33
100%
Lovex S071
<<locked>>
81%
38145
59%
**60
100%
Norma 204
<<locked>>
81%
55143
85%
**69
100%
Norma 217
<<locked>>
81%
27151
42%
**29
95%
Norma MRP
<<locked>>
81%
46543
72%
**00
100%
Norma URP
<<locked>>
81%
56217
87%
**49
100%
Ramshot Hunter
<<locked>>
81%
55027
85%
**66
100%
Ramshot Magnum
<<locked>>
81%
41466
64%
**95
100%
ReloadSwiss RS 62
<<locked>>
81%
58146
89%
**85
100%
ReloadSwiss RS 70
<<locked>>
81%
56753
87%
**18
100%
ReloadSwiss RS 76
<<locked>>
81%
35273
54%
**56
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
31923
49%
**47
94%
Rottweil R 904
<<locked>>
81%
49081
76%
**57
99%
Rottweil R 905
<<locked>>
81%
47805
74%
**67
100%
Rottweil R 907
<<locked>>
81%
58914
91%
**66
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
33098
51%
**24
90%
SNPE Vectan Tubal 7000
<<locked>>
81%
56507
87%
**93
100%
Shooters World Long Rifle
<<locked>>
81%
57812
89%
**30
100%
Somchem S361
<<locked>>
81%
50053
77%
**54
99%
Somchem S365
<<locked>>
81%
53867
83%
**03
100%
Somchem S385
<<locked>>
81%
48138
74%
**44
100%
Vihtavuori N150
<<locked>>
81%
55434
85%
**44
100%
Vihtavuori N160
<<locked>>
81%
59872
92%
**66
100%
Vihtavuori N165
<<locked>>
81%
41046
63%
**16
99%
[Vihtavuori N170]*
<<locked>>
84%
34200
53%
**95
90%
Vihtavuori N550
<<locked>>
81%
60582
93%
**08
100%
Vihtavuori N555
<<locked>>
81%
47659
73%
**48
100%
Vihtavuori N560
<<locked>>
81%
44222
68%
**61
98%
Vihtavuori N565
<<locked>>
81%
38450
59%
**39
97%
[Vihtavuori N568]*
<<locked>>
81%
33518
52%
**77
94%
[Vihtavuori N570]*
<<locked>>
81%
32358
50%
**60
90%
Winchester 6.5 StaBALL
<<locked>>
81%
57014
88%
**97
100%
Winchester StaBALL HD
<<locked>>
81%
40886
63%
**44
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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