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Load data for .300 AAC Blackout + .308 | 125gr | Sierra Tipped MatchKing

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Recommended Powder(s): Hodgdon LilGun

.300 AAC Blackout + .308 | 125gr | Sierra Tipped MatchKing

Load Specifications

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:
.300 AAC Blackout
Case Length (l3):
1.367" | 34.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.242" | 6.1mm
Shank Seated Depth:
0.242" | 6.1mm
Case Capacity:
25.1 Grains of Water | 1.63 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
50763 psi | 3500 bar
LID:
LID_B5865_C348

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

Load data for 26 loads in caliber .300 AAC Blackout with .308 | 125gr | Sierra Tipped MatchKing bullet and 13 powders such as Hodgdon LilGun. 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) 

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 4.8 fps

  • .

    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 2205
<<locked>>
95%
44280
87%
**19
99%
[Accurate 5744]*
<<locked>>
93%
44440
88%
**88
93%
Accurate No. 11 FS
<<locked>>
94%
45005
89%
**98
97%
Hodgdon LilGun 👍
<<locked>>
90%
43830
86%
**74
100%
[IMR 4227]*
<<locked>>
95%
34664
68%
**24
92%
[Lovex D060]*
<<locked>>
95%
44440
88%
**88
93%
[Lovex D063]*
<<locked>>
92%
44643
88%
**82
93%
Lovex S040
<<locked>>
89%
45455
90%
**46
100%
Lovex S053
<<locked>>
95%
32111
63%
**18
96%
SNPE Vectan BA6 1/2
<<locked>>
95%
30284
60%
**26
100%
[Shooters World Blackout]*
<<locked>>
92%
44643
88%
**82
93%
[Shooters World Buffalo Rifle]*
<<locked>>
95%
44440
88%
**88
93%
Vihtavuori N110
<<locked>>
96%
39218
77%
**26
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
29559
58%
**77
95%
[Accurate 5744]*
<<locked>>
86%
36318
72%
**51
90%
[Accurate No. 11 FS]*
<<locked>>
81%
29994
59%
**49
93%
Hodgdon LilGun
<<locked>>
81%
31894
63%
**93
100%
[IMR 4227]*
<<locked>>
92%
31444
62%
**62
91%
[Lovex D060]*
<<locked>>
88%
36318
72%
**51
90%
[Lovex D063]*
<<locked>>
86%
36651
72%
**54
91%
Lovex S040
<<locked>>
81%
36608
72%
**18
100%
[Lovex S053]*
<<locked>>
81%
21248
42%
**62
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
21132
42%
**19
98%
[Shooters World Blackout]*
<<locked>>
86%
36651
72%
**54
91%
[Shooters World Buffalo Rifle]*
<<locked>>
88%
36318
72%
**51
90%
Vihtavuori N110
<<locked>>
81%
25179
50%
**67
99%

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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