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Load data for .307 Win. + .308 | 125gr Hornady ECX

Recommended Powder(s): ADI AR 2207, Alliant Reloder-7, IMR 4198, Norma 200, ReloadSwiss RS 36

.307 Win. + .308 | 125gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr Hornady ECX
Manufacturer SKU:
301944
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.040" | 26.4mm
Caliber:
.307 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.304" | 58.5mm
Seated Depth:
0.750" | 19.0mm
Shank Seated Depth:
0.750" | 19.0mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B1381_C393
Last updated:
2025-01-01

Load data for 78 loads in caliber .307 Win. with .308 | 125gr Hornady ECX bullet and 39 powders such as ADI AR 2207, Alliant Reloder-7, IMR 4198, Norma 200, ReloadSwiss RS 36. 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
<<locked>>
84%
52953
88%
**51
100%
ADI AR 2207 👍
<<locked>>
97%
53417
89%
**44
100%
ADI AR 2219
<<locked>>
96%
48037
80%
**12
97%
Accurate 1680
<<locked>>
87%
52692
88%
**95
99%
Accurate 2015
<<locked>>
97%
40219
67%
**48
98%
[Accurate 2460]*
<<locked>>
97%
42148
70%
**84
92%
[Accurate 2495]*
<<locked>>
97%
30429
51%
**43
94%
Alliant AR-Comp
<<locked>>
97%
35128
58%
**15
98%
Alliant Reloder-10x
<<locked>>
97%
44324
74%
**43
99%
Alliant Reloder-7 👍
<<locked>>
95%
52953
88%
**12
100%
Baschieri & Pellagri 106
<<locked>>
97%
49864
83%
**26
98%
[Hodgdon Benchmark]*
<<locked>>
96%
41060
68%
**02
92%
[Hodgdon CFE BLK]*
<<locked>>
95%
53287
89%
**59
94%
Hodgdon H322
<<locked>>
96%
39769
66%
**54
95%
Hodgdon H335
<<locked>>
97%
47747
79%
**05
96%
Hodgdon H4198
<<locked>>
97%
53940
90%
**85
98%
[IMR 3031]*
<<locked>>
97%
30821
51%
**97
92%
IMR 4198 👍
<<locked>>
97%
46891
78%
**36
100%
IMR 4227
<<locked>>
90%
53751
89%
**69
100%
Lovex D060
<<locked>>
83%
52518
87%
**89
100%
[Lovex D073.4]*
<<locked>>
97%
44933
75%
**17
93%
[Lovex D073.5]*
<<locked>>
97%
41408
69%
**71
92%
Lovex S053
<<locked>>
91%
53156
88%
**36
100%
Norma 200 👍
<<locked>>
97%
49748
83%
**18
100%
[Norma 202]*
<<locked>>
96%
33576
56%
**26
91%
ReloadSwiss RS 14
<<locked>>
95%
28616
48%
**77
100%
ReloadSwiss RS 36 👍
<<locked>>
91%
53156
88%
**05
100%
[ReloadSwiss RS 40]*
<<locked>>
97%
43395
72%
**07
94%
[Rottweil R 901]*
<<locked>>
97%
37710
63%
**92
93%
SNPE Vectan BA6 1/2
<<locked>>
95%
53606
89%
**85
100%
SNPE Vectan SP 10
<<locked>>
97%
48762
81%
**22
96%
[SNPE Vectan Tubal 3000]*
<<locked>>
96%
37405
62%
**16
93%
Shooters World Buffalo Rifle
<<locked>>
83%
52518
87%
**89
100%
[Shooters World Tactical Rifle]*
<<locked>>
97%
48167
80%
**26
92%
[Somchem S335]*
<<locked>>
97%
35984
60%
**20
94%
Vihtavuori N110
<<locked>>
86%
53983
90%
**71
100%
Vihtavuori N120
<<locked>>
97%
48979
81%
**36
100%
Vihtavuori N130
<<locked>>
97%
41989
70%
**38
98%
Vihtavuori N133
<<locked>>
97%
34229
57%
**84
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
48979
81%
**98
100%
ADI AR 2207
<<locked>>
81%
32576
54%
**80
99%
[ADI AR 2219]*
<<locked>>
81%
29167
48%
**98
90%
Accurate 1680
<<locked>>
81%
42583
71%
**28
97%
[Accurate 2015]*
<<locked>>
81%
24352
40%
**60
91%
[Accurate 2460]*
<<locked>>
92%
35549
59%
**52
90%
[Accurate 2495]*
<<locked>>
89%
23511
39%
**39
90%
[Alliant AR-Comp]*
<<locked>>
81%
21959
36%
**11
91%
[Alliant Reloder-10x]*
<<locked>>
81%
27108
45%
**52
94%
Alliant Reloder-7
<<locked>>
81%
34577
57%
**84
97%
[Baschieri & Pellagri 106]*
<<locked>>
81%
30356
50%
**46
92%
[Hodgdon Benchmark]*
<<locked>>
94%
38174
63%
**39
90%
[Hodgdon CFE BLK]*
<<locked>>
86%
40263
67%
**36
90%
[Hodgdon H322]*
<<locked>>
86%
29167
48%
**98
90%
[Hodgdon H335]*
<<locked>>
85%
32169
53%
**84
90%
[Hodgdon H4198]*
<<locked>>
81%
33518
56%
**02
92%
[IMR 3031]*
<<locked>>
94%
28456
47%
**25
90%
IMR 4198
<<locked>>
81%
29834
50%
**65
96%
IMR 4227
<<locked>>
81%
40785
68%
**62
100%
Lovex D060
<<locked>>
81%
48704
81%
**23
100%
[Lovex D073.4]*
<<locked>>
91%
36970
61%
**62
90%
[Lovex D073.5]*
<<locked>>
93%
36216
60%
**62
90%
Lovex S053
<<locked>>
81%
39639
66%
**23
100%
Norma 200
<<locked>>
81%
30792
51%
**41
97%
[Norma 202]*
<<locked>>
94%
31299
52%
**67
90%
ReloadSwiss RS 14
<<locked>>
93%
27659
46%
**54
100%
ReloadSwiss RS 36
<<locked>>
81%
39726
66%
**79
100%
[ReloadSwiss RS 40]*
<<locked>>
90%
35288
59%
**33
90%
[Rottweil R 901]*
<<locked>>
91%
31531
52%
**44
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
36883
61%
**43
100%
[SNPE Vectan SP 10]*
<<locked>>
83%
31444
52%
**61
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
91%
31488
52%
**88
90%
Shooters World Buffalo Rifle
<<locked>>
81%
48704
81%
**23
100%
[Shooters World Tactical Rifle]*
<<locked>>
93%
41974
70%
**18
90%
[Somchem S335]*
<<locked>>
89%
28384
47%
**36
90%
Vihtavuori N110
<<locked>>
81%
47137
78%
**79
100%
Vihtavuori N120
<<locked>>
81%
30501
51%
**98
100%
[Vihtavuori N130]*
<<locked>>
81%
25875
43%
**60
93%
[Vihtavuori N133]*
<<locked>>
86%
25135
42%
**31
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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