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Load data for .300 AAC Blackout + .308 | 165gr | Barnes MRX BT

Recommended Powder(s): Accurate No. 11 FS

.300 AAC Blackout + .308 | 165gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes MRX BT
Manufacturer SKU:
30885
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.320" | 33.5mm
Caliber:
.300 AAC Blackout load data
Case Length (l3):
1.367" | 34.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.461" | 11.7mm
Shank Seated Depth:
0.336" | 8.5mm
Case Capacity:
25.1 Grains of Water | 1.63 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
50763 psi | 3500 bar
LID:
LID_B618_C348
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 22 loads in caliber .300 AAC Blackout with .308 | 165gr | Barnes MRX BT bullet and 11 powders such as Accurate No. 11 FS. 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>>
94%
44338
87%
**39
99%
Accurate 5744
<<locked>>
91%
43772
86%
**95
95%
Accurate No. 11 FS 👍
<<locked>>
92%
44541
88%
**04
98%
Hodgdon LilGun
<<locked>>
89%
43700
86%
**57
100%
Lovex D060
<<locked>>
93%
43772
86%
**95
95%
Lovex D063
<<locked>>
90%
44048
87%
**91
95%
Lovex S040
<<locked>>
86%
43134
85%
**22
100%
[ReloadSwiss RS 36]*
<<locked>>
96%
34229
67%
**09
94%
Shooters World Blackout
<<locked>>
90%
44048
87%
**91
95%
Shooters World Buffalo Rifle
<<locked>>
93%
43772
86%
**95
95%
Vihtavuori N110
<<locked>>
97%
42163
83%
**65
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
88%
36869
73%
**50
98%
[Accurate 5744]*
<<locked>>
83%
34360
68%
**57
92%
Accurate No. 11 FS
<<locked>>
83%
32314
64%
**47
96%
Hodgdon LilGun
<<locked>>
81%
33721
66%
**39
100%
[Lovex D060]*
<<locked>>
85%
34360
68%
**57
92%
[Lovex D063]*
<<locked>>
83%
34243
67%
**57
92%
Lovex S040
<<locked>>
81%
37942
75%
**60
100%
[ReloadSwiss RS 36]*
<<locked>>
92%
30414
60%
**44
92%
[Shooters World Blackout]*
<<locked>>
83%
34243
67%
**57
92%
[Shooters World Buffalo Rifle]*
<<locked>>
85%
34360
68%
**57
92%
Vihtavuori N110
<<locked>>
88%
32285
64%
**40
100%

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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