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Load data for .300 AAC Blackout + .308 | 190gr | Sierra HP MatchKing

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Recommended Powder(s): none

.300 AAC Blackout + .308 | 190gr | Sierra HP MatchKing

Load Specifications

Bullet:
.308 | 190gr | Sierra HP MatchKing
Manufacturer SKU:
2210
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.365" | 34.7mm
Caliber:
.300 AAC Blackout
Case Length (l3):
1.367" | 34.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.506" | 12.8mm
Shank Seated Depth:
0.261" | 6.6mm
Case Capacity:
25.1 Grains of Water | 1.63 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
50763 psi | 3500 bar
LID:
LID_B5898_C348
Recommended Twist Rate:
1:11 - 1:9

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

Load data for 16 loads in caliber .300 AAC Blackout with .308 | 190gr | Sierra HP MatchKing bullet and 8 powders such as none. 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. 3.4 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
[Accurate 1680]*
<<locked>>
97%
44875
88%
**03
94%
Accurate 5744
<<locked>>
92%
49400
97%
**39
98%
Accurate No. 11 FS
<<locked>>
91%
48182
95%
**16
100%
Hodgdon LilGun
<<locked>>
88%
50473
99%
**68
100%
Lovex D060
<<locked>>
94%
49400
97%
**39
98%
Lovex D063
<<locked>>
91%
49980
98%
**39
98%
Shooters World Blackout
<<locked>>
91%
49980
98%
**39
98%
Shooters World Buffalo Rifle
<<locked>>
94%
49400
97%
**39
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 1680]*
<<locked>>
93%
39668
78%
**40
92%
Accurate 5744
<<locked>>
86%
41075
81%
**44
97%
Accurate No. 11 FS
<<locked>>
87%
42337
83%
**60
99%
Hodgdon LilGun
<<locked>>
81%
39015
77%
**60
100%
Lovex D060
<<locked>>
87%
41075
81%
**44
97%
Lovex D063
<<locked>>
85%
41611
82%
**47
97%
Shooters World Blackout
<<locked>>
85%
41611
82%
**47
97%
Shooters World Buffalo Rifle
<<locked>>
87%
41075
81%
**44
97%

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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