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Load data for .307 Win. + .308 | 125gr | Sierra HPMK

Recommended Powder(s): ADI AR 2207, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200

.307 Win. + .308 | 125gr | Sierra HPMK

Load Specifications

(Use the Personalized Load Calculator below to adjust )

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:
.307 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.522" | 64.0mm
Seated Depth:
0.672" | 17.1mm
Shank Seated Depth:
0.672" | 17.1mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B5863_C393
Last updated:
2025-01-01

Load data for 90 loads in caliber .307 Win. with .308 | 125gr | Sierra HPMK bullet and 45 powders such as ADI AR 2207, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200. 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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 2205
83%
89%
100%
ADI AR 2207
96%
88%
100%
ADI AR 2219
97%
84%
98%
Accurate 1680
87%
88%
99%
Accurate 2015
97%
69%
98%
Accurate 2230
97%
75%
92%
Accurate 2460
97%
73%
93%
Accurate 2495
97%
54%
96%
Alliant AR-Comp
96%
60%
99%
Alliant Reloder-10x
97%
75%
99%
Alliant Reloder-7
95%
90%
100%
Baschieri & Pellagri 106
97%
85%
98%
Hodgdon Benchmark
97%
71%
93%
Hodgdon CFE BLK
94%
89%
94%
Hodgdon H322
97%
69%
96%
Hodgdon H335
96%
81%
97%
Hodgdon H4198
96%
89%
98%
IMR 3031
97%
52%
93%
IMR 4198
96%
79%
100%
IMR 4227
89%
88%
100%
Lovex D060
84%
90%
100%
Lovex D073.4
97%
77%
94%
Lovex D073.5
97%
73%
93%
Lovex S053
91%
89%
100%
Norma 200
97%
87%
100%
Norma 202
97%
59%
93%
ReloadSwiss RS 14
95%
48%
100%
ReloadSwiss RS 36
89%
88%
100%
ReloadSwiss RS 40
97%
75%
94%
Rottweil R 901
96%
64%
94%
SNPE Vectan BA6 1/2
94%
88%
100%
SNPE Vectan SP 10
97%
85%
97%
SNPE Vectan Tubal 3000
96%
64%
94%
SNPE Vectan Tubal 5000
96%
52%
92%
Shooters World Buffalo Rifle
84%
90%
100%
Shooters World Tactical Rifle
97%
83%
93%
Somchem S321
97%
70%
92%
Somchem S335
97%
62%
95%
Vihtavuori N110
85%
89%
100%
Vihtavuori N120
96%
83%
100%
Vihtavuori N130
97%
71%
99%
Vihtavuori N133
97%
59%
96%
Vihtavuori N140
97%
55%
92%
Vihtavuori N530
96%
68%
91%
Winchester 748
97%
68%
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
49647
82%
**25
100%
ADI AR 2207
<<locked>>
81%
33794
56%
**26
100%
[ADI AR 2219]*
<<locked>>
81%
30168
50%
**48
91%
Accurate 1680
<<locked>>
81%
44135
73%
**80
98%
[Accurate 2015]*
<<locked>>
81%
24860
41%
**93
92%
[Accurate 2230]*
<<locked>>
94%
40872
68%
**51
90%
[Accurate 2460]*
<<locked>>
91%
35433
59%
**69
90%
[Accurate 2495]*
<<locked>>
87%
22931
38%
**36
90%
[Alliant AR-Comp]*
<<locked>>
81%
22698
38%
**57
92%
Alliant Reloder-10x
<<locked>>
81%
27963
46%
**98
95%
Alliant Reloder-7
<<locked>>
81%
35737
59%
**30
98%
[Baschieri & Pellagri 106]*
<<locked>>
81%
30879
51%
**79
93%
[Hodgdon Benchmark]*
<<locked>>
91%
36042
60%
**20
90%
[Hodgdon CFE BLK]*
<<locked>>
84%
38870
65%
**30
90%
[Hodgdon H322]*
<<locked>>
84%
28398
47%
**95
90%
[Hodgdon H335]*
<<locked>>
83%
31386
52%
**80
90%
[Hodgdon H4198]*
<<locked>>
81%
34316
57%
**48
93%
[IMR 3031]*
<<locked>>
91%
27050
45%
**08
90%
IMR 4198
<<locked>>
81%
30414
51%
**05
97%
IMR 4227
<<locked>>
81%
41655
69%
**98
100%
Lovex D060
<<locked>>
81%
49951
83%
**72
100%
[Lovex D073.4]*
<<locked>>
89%
35418
59%
**52
90%
[Lovex D073.5]*
<<locked>>
91%
35433
59%
**69
90%
Lovex S053
<<locked>>
81%
40393
67%
**56
100%
Norma 200
<<locked>>
81%
31575
52%
**84
97%
[Norma 202]*
<<locked>>
92%
30139
50%
**57
90%
ReloadSwiss RS 14
<<locked>>
91%
26861
45%
**54
100%
ReloadSwiss RS 36
<<locked>>
81%
41002
68%
**28
100%
[ReloadSwiss RS 40]*
<<locked>>
88%
34113
57%
**30
90%
[Rottweil R 901]*
<<locked>>
89%
30821
51%
**44
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
37768
63%
**75
100%
[SNPE Vectan SP 10]*
<<locked>>
82%
30821
51%
**70
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
89%
30313
50%
**75
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
94%
28703
48%
**39
90%
Shooters World Buffalo Rifle
<<locked>>
81%
49951
83%
**72
100%
[Shooters World Tactical Rifle]*
<<locked>>
91%
40408
67%
**12
90%
[Somchem S321]*
<<locked>>
94%
37884
63%
**31
90%
[Somchem S335]*
<<locked>>
87%
27789
46%
**33
90%
Vihtavuori N110
<<locked>>
81%
48095
80%
**12
100%
Vihtavuori N120
<<locked>>
81%
31908
53%
**44
100%
[Vihtavuori N130]*
<<locked>>
81%
26803
45%
**10
94%
[Vihtavuori N133]*
<<locked>>
84%
24134
40%
**21
90%
[Vihtavuori N140]*
<<locked>>
93%
30037
50%
**28
90%
[Vihtavuori N530]*
<<locked>>
94%
37855
63%
**18
90%
[Winchester 748]*
<<locked>>
94%
37405
62%
**38
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.

<<locked>>... you need to buy an access license to unlock the data

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