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Load data for .303 Savage + .308 | 125gr | Sierra Tipped MatchKing

Recommended Powder(s): ADI AR 2207, Vihtavuori N120

.303 Savage + .308 | 125gr | Sierra Tipped MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr | Sierra Tipped MatchKing
Manufacturer SKU:
7725
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.101" | 28.0mm
Caliber:
.303 Savage load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.482" | 63.0mm
Seated Depth:
0.633" | 16.1mm
Shank Seated Depth:
0.633" | 16.1mm
Case Capacity:
45.0 Grains of Water | 2.92 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B5865_C391
Last updated:
2025-01-01

Load data for 22 loads in caliber .303 Savage with .308 | 125gr | Sierra Tipped MatchKing bullet and 11 powders such as ADI AR 2207, Vihtavuori N120. 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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    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 2207 👍
<<locked>>
89%
34287
88%
**25
99%
[Accurate 2015]*
<<locked>>
97%
31807
81%
**72
93%
[Alliant AR-Comp]*
<<locked>>
97%
29312
75%
**33
93%
Alliant Reloder-10x
<<locked>>
96%
35128
90%
**57
96%
Alliant Reloder-7
<<locked>>
87%
35085
90%
**85
96%
[Baschieri & Pellagri 106]*
<<locked>>
90%
34345
88%
**23
91%
IMR 4198
<<locked>>
91%
34447
88%
**69
96%
Norma 200
<<locked>>
92%
34519
88%
**34
96%
SNPE Vectan BA6 1/2
<<locked>>
84%
35085
90%
**28
100%
Vihtavuori N120 👍
<<locked>>
91%
34287
88%
**88
100%
Vihtavuori N130
<<locked>>
96%
34040
87%
**69
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
27195
69%
**51
97%
[Accurate 2015]*
<<locked>>
90%
26295
67%
**31
90%
[Alliant AR-Comp]*
<<locked>>
91%
25237
64%
**05
90%
[Alliant Reloder-10x]*
<<locked>>
84%
24540
63%
**85
90%
[Alliant Reloder-7]*
<<locked>>
81%
28834
74%
**41
94%
[Baschieri & Pellagri 106]*
<<locked>>
87%
31488
80%
**54
90%
[IMR 4198]*
<<locked>>
81%
25831
66%
**42
92%
[Norma 200]*
<<locked>>
81%
24860
63%
**95
92%
SNPE Vectan BA6 1/2
<<locked>>
81%
31604
81%
**62
100%
Vihtavuori N120
<<locked>>
81%
25628
65%
**75
97%
[Vihtavuori N130]*
<<locked>>
87%
25570
65%
**56
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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