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Load data for .300 Weath. Mag. + .308 | 125gr | Sierra HPMK

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Recommended Powder(s):

.300 Weath. Mag. + .308 | 125gr | Sierra HPMK

Load Specifications

Bullet:
.308 | 125gr | Sierra HPMK
Manufacturer SKU:
2121
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.180" | 30.0mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.497" | 12.6mm
Shank Seated Depth:
0.497" | 12.6mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5863_C379

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 0 loads in caliber .300 Weath. Mag. with .308 | 125gr | Sierra HPMK bullet and 0 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 2206H
<<locked>>
85%
56956
89%
**86
100%
ADI AR 2208
<<locked>>
90%
56985
89%
**60
100%
[ADI AR 2209]*
<<locked>>
97%
48559
76%
**61
93%
Accurate 2200
<<locked>>
84%
57014
89%
**56
99%
Accurate 2495
<<locked>>
84%
57276
90%
**30
100%
Accurate 2520
<<locked>>
83%
57232
90%
**53
100%
Accurate 2700
<<locked>>
91%
57261
90%
**87
96%
[Accurate 3100]*
<<locked>>
97%
41307
65%
**68
94%
Accurate 4064
<<locked>>
89%
57377
90%
**53
100%
Accurate 4350
<<locked>>
97%
57203
90%
**28
99%
Alliant AR-Comp
<<locked>>
83%
57406
90%
**20
100%
Alliant Reloder- TS 15.5 👍
<<locked>>
90%
56884
89%
**79
100%
Alliant Reloder-15
<<locked>>
88%
57406
90%
**02
100%
Alliant Reloder-16
<<locked>>
97%
54607
86%
**35
99%
Alliant Reloder-17 👍
<<locked>>
93%
56623
89%
**78
100%
[Alliant Reloder-19]*
<<locked>>
97%
47572
75%
**41
93%
Alliant Reloder-23
<<locked>>
97%
39407
62%
**10
98%
Alliant Reloder-26
<<locked>>
97%
44208
69%
**87
97%
Baschieri & Pellagri 107
<<locked>>
85%
57406
90%
**92
99%
Hodgdon BL-C2
<<locked>>
83%
56898
89%
**79
100%
Hodgdon CFE223
<<locked>>
88%
57246
90%
**25
99%
Hodgdon H380
<<locked>>
89%
57392
90%
**83
99%
Hodgdon H414
<<locked>>
92%
57058
89%
**28
97%
Hodgdon H4350
<<locked>>
97%
52649
82%
**87
96%
Hodgdon Hybrid 100V
<<locked>>
97%
51227
80%
**94
100%
Hodgdon LVR
<<locked>>
95%
57116
89%
**25
99%
Hodgdon Superperformance
<<locked>>
95%
57305
90%
**65
97%
Hodgdon VARGET
<<locked>>
91%
56985
89%
**60
100%
Hodgdon TrailBoss
<<locked>>
97%
34113
53%
**10
100%
IMR 3031
<<locked>>
87%
56811
89%
**63
100%
IMR 4064
<<locked>>
91%
57319
90%
**60
100%
IMR 4166 Enduron
<<locked>>
92%
57000
89%
**33
97%
IMR 4350
<<locked>>
97%
56101
88%
**53
97%
IMR 4451 Enduron
<<locked>>
93%
56898
89%
**50
97%
IMR 4831
<<locked>>
97%
48153
75%
**45
98%
IMR 4895
<<locked>>
87%
57276
90%
**15
100%
IMR 8208 XBR
<<locked>>
84%
56710
89%
**43
100%
Lovex D073.6
<<locked>>
85%
57058
89%
**56
100%
Lovex S060
<<locked>>
85%
56681
89%
**07
100%
Lovex S062
<<locked>>
89%
57276
90%
**53
100%
Lovex S065
<<locked>>
95%
56724
89%
**53
98%
Lovex S070
<<locked>>
96%
56898
89%
**73
97%
Norma 201
<<locked>>
86%
57421
90%
**46
100%
Norma 202
<<locked>>
86%
57116
89%
**37
100%
Norma 203B
<<locked>>
88%
57217
90%
**99
100%
Norma 204
<<locked>>
97%
57043
89%
**06
95%
[Norma MRP]*
<<locked>>
97%
44092
69%
**41
94%
Norma URP
<<locked>>
97%
56681
89%
**19
99%
Ramshot Big Game
<<locked>>
88%
56811
89%
**96
100%
Ramshot Hunter
<<locked>>
97%
55477
87%
**02
98%
Ramshot TAC
<<locked>>
83%
56985
89%
**46
98%
Ramshot Wild Boar
<<locked>>
83%
56826
89%
**69
100%
ReloadSwiss RS 14
<<locked>>
96%
34534
54%
**52
100%
ReloadSwiss RS 50
<<locked>>
89%
56695
89%
**53
98%
ReloadSwiss RS 52
<<locked>>
88%
56695
89%
**02
100%
ReloadSwiss RS 60 👍
<<locked>>
94%
56840
89%
**04
100%
ReloadSwiss RS 62
<<locked>>
97%
57348
90%
**45
99%
ReloadSwiss RS 70
<<locked>>
97%
56942
89%
**84
99%
Rottweil R 901
<<locked>>
83%
57029
89%
**17
100%
Rottweil R 902
<<locked>>
87%
56594
89%
**20
100%
Rottweil R 903 👍
<<locked>>
92%
56971
89%
**73
100%
[Rottweil R 904]*
<<locked>>
97%
50299
79%
**28
92%
[Rottweil R 905]*
<<locked>>
97%
46572
73%
**12
93%
Rottweil R 907
<<locked>>
94%
57246
90%
**50
97%
SNPE Vectan SP 11 👍
<<locked>>
91%
56927
89%
**02
100%
SNPE Vectan SP 7
<<locked>>
84%
56971
89%
**46
99%
SNPE Vectan SP 9
<<locked>>
86%
57305
90%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
56782
89%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
57421
90%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
57130
90%
**97
97%
Shooters World Long Rifle
<<locked>>
95%
56724
89%
**53
98%
Shooters World Match Rifle
<<locked>>
85%
57058
89%
**56
100%
Shooters World Precision
<<locked>>
89%
57276
90%
**53
100%
Somchem S335
<<locked>>
85%
56768
89%
**58
100%
Somchem S341
<<locked>>
84%
57072
89%
**43
100%
Somchem S355
<<locked>>
92%
57188
90%
**69
100%
[Somchem S361]*
<<locked>>
97%
52359
82%
**19
92%
Somchem S365
<<locked>>
97%
50966
80%
**53
100%
[Somchem S385]*
<<locked>>
97%
47630
75%
**02
94%
Vihtavuori N133
<<locked>>
87%
56826
89%
**38
100%
Vihtavuori N135
<<locked>>
93%
56884
89%
**91
100%
Vihtavuori N140
<<locked>>
88%
57029
89%
**10
100%
Vihtavuori N150
<<locked>>
97%
57276
90%
**30
100%
Vihtavuori N160
<<locked>>
95%
57246
90%
**76
99%
Vihtavuori N540
<<locked>>
88%
57072
89%
**33
100%
Vihtavuori N550
<<locked>>
94%
56956
89%
**19
99%
Vihtavuori N555
<<locked>>
97%
43381
68%
**02
98%
Winchester 6.5 StaBALL
<<locked>>
96%
56855
89%
**43
100%
Winchester 760
<<locked>>
92%
57058
89%
**28
97%
Winchester StaBALL HD
<<locked>>
97%
35433
56%
**87
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50038
78%
**61
99%
ADI AR 2208
<<locked>>
81%
42540
67%
**74
97%
[ADI AR 2209]*
<<locked>>
92%
41916
66%
**97
90%
Accurate 2200
<<locked>>
81%
52199
82%
**64
98%
Accurate 2495
<<locked>>
81%
52504
82%
**55
100%
Accurate 2520
<<locked>>
81%
53258
83%
**91
100%
[Accurate 2700]*
<<locked>>
81%
40857
64%
**63
92%
[Accurate 3100]*
<<locked>>
90%
32866
51%
**54
90%
Accurate 4064
<<locked>>
81%
44309
69%
**14
100%
[Accurate 4350]*
<<locked>>
81%
32808
51%
**84
93%
Alliant AR-Comp
<<locked>>
81%
53214
83%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42337
66%
**91
98%
Alliant Reloder-15
<<locked>>
81%
45585
71%
**73
98%
[Alliant Reloder-16]*
<<locked>>
81%
32866
51%
**94
92%
Alliant Reloder-17
<<locked>>
81%
36898
58%
**51
97%
[Alliant Reloder-19]*
<<locked>>
92%
41176
65%
**87
90%
[Alliant Reloder-23]*
<<locked>>
84%
26658
42%
**94
90%
[Alliant Reloder-26]*
<<locked>>
88%
31937
50%
**17
90%
Baschieri & Pellagri 107
<<locked>>
81%
49661
78%
**48
98%
Hodgdon BL-C2
<<locked>>
81%
53084
83%
**20
100%
Hodgdon CFE223
<<locked>>
81%
44353
69%
**69
97%
Hodgdon H380
<<locked>>
81%
43337
68%
**07
96%
[Hodgdon H414]*
<<locked>>
81%
38305
60%
**25
91%
[Hodgdon H4350]*
<<locked>>
86%
37130
58%
**36
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
30211
47%
**82
94%
[Hodgdon LVR]*
<<locked>>
81%
35882
56%
**56
93%
[Hodgdon Superperformance]*
<<locked>>
83%
37507
59%
**18
90%
Hodgdon VARGET
<<locked>>
81%
42148
66%
**64
97%
Hodgdon TrailBoss
<<locked>>
81%
27050
42%
**32
100%
IMR 3031
<<locked>>
81%
46282
73%
**89
100%
IMR 4064
<<locked>>
81%
41626
65%
**48
97%
[IMR 4166 Enduron]*
<<locked>>
81%
41278
65%
**05
93%
[IMR 4350]*
<<locked>>
84%
37159
58%
**36
90%
[IMR 4451 Enduron]*
<<locked>>
81%
39363
62%
**72
92%
[IMR 4831]*
<<locked>>
81%
28834
45%
**40
90%
IMR 4895
<<locked>>
81%
46673
73%
**15
99%
IMR 8208 XBR
<<locked>>
81%
52170
82%
**61
100%
Lovex D073.6
<<locked>>
81%
49632
78%
**32
100%
Lovex S060
<<locked>>
81%
49690
78%
**76
99%
Lovex S062
<<locked>>
81%
44831
70%
**17
99%
[Lovex S065]*
<<locked>>
81%
36840
58%
**23
93%
[Lovex S070]*
<<locked>>
81%
34983
55%
**74
90%
Norma 201
<<locked>>
81%
48979
77%
**02
100%
Norma 202
<<locked>>
81%
49530
78%
**05
100%
Norma 203B
<<locked>>
81%
44831
70%
**53
98%
[Norma 204]*
<<locked>>
88%
41626
65%
**81
90%
[Norma MRP]*
<<locked>>
92%
37028
58%
**48
90%
[Norma URP]*
<<locked>>
81%
33141
52%
**97
93%
Ramshot Big Game
<<locked>>
81%
45005
71%
**82
98%
[Ramshot Hunter]*
<<locked>>
82%
33924
53%
**07
90%
Ramshot TAC
<<locked>>
81%
52460
82%
**61
98%
Ramshot Wild Boar
<<locked>>
81%
52315
82%
**87
99%
ReloadSwiss RS 14
<<locked>>
81%
27470
43%
**78
100%
ReloadSwiss RS 50
<<locked>>
81%
43569
68%
**87
95%
ReloadSwiss RS 52
<<locked>>
81%
44150
69%
**73
99%
ReloadSwiss RS 60
<<locked>>
81%
35940
56%
**31
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
32576
51%
**97
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
32648
51%
**84
90%
Rottweil R 901
<<locked>>
81%
53156
83%
**58
100%
Rottweil R 902
<<locked>>
81%
46673
73%
**46
99%
Rottweil R 903
<<locked>>
81%
39929
63%
**41
98%
[Rottweil R 904]*
<<locked>>
93%
44512
70%
**07
90%
[Rottweil R 905]*
<<locked>>
92%
40016
63%
**71
90%
[Rottweil R 907]*
<<locked>>
81%
37913
59%
**33
91%
SNPE Vectan SP 11
<<locked>>
81%
41017
64%
**94
97%
SNPE Vectan SP 7
<<locked>>
81%
51198
80%
**45
98%
SNPE Vectan SP 9
<<locked>>
81%
48385
76%
**12
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
50183
79%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42003
66%
**79
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35897
56%
**44
91%
[Shooters World Long Rifle]*
<<locked>>
81%
36840
58%
**23
93%
Shooters World Match Rifle
<<locked>>
81%
49632
78%
**32
100%
Shooters World Precision
<<locked>>
81%
44831
70%
**17
99%
Somchem S335
<<locked>>
81%
49821
78%
**43
100%
Somchem S341
<<locked>>
81%
50633
79%
**38
99%
Somchem S355
<<locked>>
81%
40596
64%
**48
98%
[Somchem S361]*
<<locked>>
94%
47456
74%
**30
90%
Somchem S365
<<locked>>
81%
29704
47%
**28
95%
[Somchem S385]*
<<locked>>
90%
37115
58%
**63
90%
Vihtavuori N133
<<locked>>
81%
47268
74%
**91
100%
Vihtavuori N135
<<locked>>
81%
39276
62%
**79
100%
Vihtavuori N140
<<locked>>
81%
46296
73%
**20
100%
Vihtavuori N150
<<locked>>
81%
34635
54%
**67
97%
[Vihtavuori N160]*
<<locked>>
81%
35897
56%
**33
94%
Vihtavuori N540
<<locked>>
81%
46064
72%
**43
100%
[Vihtavuori N550]*
<<locked>>
81%
36637
57%
**79
94%
[Vihtavuori N555]*
<<locked>>
83%
27644
43%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34243
54%
**71
96%
[Winchester 760]*
<<locked>>
81%
38305
60%
**25
91%
[Winchester StaBALL HD]*
<<locked>>
89%
27615
43%
**72
90%

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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