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Load data for .303 Savage + .308 | 125gr | Sierra SPT Pro-Hunter

Recommended Powder(s):

.303 Savage + .308 | 125gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
2120
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.890" | 22.6mm
Caliber:
.303 Savage load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.482" | 63.0mm
Seated Depth:
0.422" | 10.7mm
Shank Seated Depth:
0.422" | 10.7mm
Case Capacity:
45.0 Grains of Water | 2.92 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B5864_C391
Last updated:
2025-01-01

Load data for 30 loads in caliber .303 Savage with .308 | 125gr | Sierra SPT Pro-Hunter bullet and 15 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".

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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 2207
<<locked>>
85%
34592
88%
**84
99%
[ADI AR 2219]*
<<locked>>
89%
35027
89%
**97
92%
Accurate 2015
<<locked>>
95%
35201
90%
**00
96%
[Accurate 2495]*
<<locked>>
96%
27180
69%
**18
92%
Alliant AR-Comp
<<locked>>
96%
32416
83%
**90
97%
Alliant Reloder-10x
<<locked>>
91%
34650
88%
**03
96%
[Baschieri & Pellagri 106]*
<<locked>>
88%
34911
89%
**05
93%
[Hodgdon H322]*
<<locked>>
94%
34621
88%
**87
92%
[Hodgdon H4198]*
<<locked>>
85%
35230
90%
**92
92%
IMR 4198
<<locked>>
88%
34621
88%
**41
97%
Norma 200
<<locked>>
87%
34403
88%
**87
97%
[Somchem S335]*
<<locked>>
96%
33199
85%
**08
92%
Vihtavuori N120
<<locked>>
87%
34374
88%
**41
100%
Vihtavuori N130
<<locked>>
93%
34592
88%
**38
96%
[Vihtavuori N133]*
<<locked>>
97%
32242
82%
**79
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
30647
78%
**95
99%
[ADI AR 2219]*
<<locked>>
85%
31314
80%
**98
90%
[Accurate 2015]*
<<locked>>
83%
23975
61%
**11
90%
[Accurate 2495]*
<<locked>>
93%
24149
62%
**26
90%
[Alliant AR-Comp]*
<<locked>>
84%
22495
57%
**75
90%
[Alliant Reloder-10x]*
<<locked>>
81%
25150
64%
**51
92%
[Baschieri & Pellagri 106]*
<<locked>>
81%
28369
72%
**41
90%
[Hodgdon H322]*
<<locked>>
90%
30951
79%
**95
90%
[Hodgdon H4198]*
<<locked>>
81%
31401
80%
**03
90%
IMR 4198
<<locked>>
81%
28384
72%
**77
95%
Norma 200
<<locked>>
81%
28239
72%
**33
95%
[Somchem S335]*
<<locked>>
93%
29791
76%
**26
90%
Vihtavuori N120
<<locked>>
81%
28892
74%
**16
99%
[Vihtavuori N130]*
<<locked>>
81%
24424
62%
**75
91%
[Vihtavuori N133]*
<<locked>>
90%
26426
67%
**28
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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