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Load data for .300 AAC Blackout + .308 | 165gr | Speer TBBC

Recommended Powder(s):

.300 AAC Blackout + .308 | 165gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer TBBC
Manufacturer SKU:
1760
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 AAC Blackout load data
Case Length (l3):
1.367" | 34.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
25.1 Grains of Water | 1.63 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
50763 psi | 3500 bar
LID:
LID_B6160_C348
Last updated:
2026-01-20

Load data for 36 loads in caliber .300 AAC Blackout with .308 | 165gr | Speer TBBC bullet and 18 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 2205
<<locked>>
91%
45063
89%
**98
100%
ADI AR 2207
<<locked>>
97%
31024
61%
**55
96%
[Accurate 1680]*
<<locked>>
96%
43511
86%
**57
92%
Accurate 5744
<<locked>>
89%
44628
88%
**64
96%
Accurate No. 11 FS 👍
<<locked>>
89%
45136
89%
**64
99%
[Alliant Reloder-7]*
<<locked>>
96%
32416
64%
**39
93%
Hodgdon LilGun
<<locked>>
86%
45629
90%
**16
100%
IMR 4227
<<locked>>
97%
41800
82%
**21
97%
Lovex D060
<<locked>>
91%
44628
88%
**64
96%
Lovex D063
<<locked>>
88%
44208
87%
**50
96%
Lovex S040
<<locked>>
84%
45426
89%
**95
100%
Lovex S053
<<locked>>
97%
39102
77%
**08
100%
ReloadSwiss RS 36
<<locked>>
97%
39073
77%
**31
97%
SNPE Vectan BA6 1/2
<<locked>>
96%
35708
70%
**80
100%
Shooters World Blackout
<<locked>>
88%
44208
87%
**50
96%
Shooters World Buffalo Rifle
<<locked>>
91%
44628
88%
**64
96%
Vihtavuori N110
<<locked>>
95%
44686
88%
**31
100%
Vihtavuori N120
<<locked>>
96%
29080
57%
**90
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
33054
65%
**40
98%
[ADI AR 2207]*
<<locked>>
90%
25657
51%
**47
94%
[Accurate 1680]*
<<locked>>
92%
37985
75%
**81
90%
[Accurate 5744]*
<<locked>>
81%
35853
71%
**36
94%
Accurate No. 11 FS
<<locked>>
81%
34026
67%
**16
97%
[Alliant Reloder-7]*
<<locked>>
91%
27456
54%
**47
90%
Hodgdon LilGun
<<locked>>
81%
38392
76%
**34
100%
[IMR 4227]*
<<locked>>
86%
30516
60%
**54
94%
[Lovex D060]*
<<locked>>
81%
33939
67%
**03
93%
[Lovex D063]*
<<locked>>
81%
35346
70%
**29
94%
Lovex S040
<<locked>>
81%
41495
82%
**49
100%
Lovex S053
<<locked>>
86%
28776
57%
**44
97%
[ReloadSwiss RS 36]*
<<locked>>
86%
28340
56%
**54
93%
SNPE Vectan BA6 1/2
<<locked>>
93%
32967
65%
**40
100%
[Shooters World Blackout]*
<<locked>>
81%
35346
70%
**29
94%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
33939
67%
**03
93%
Vihtavuori N110
<<locked>>
81%
30066
59%
**44
100%
Vihtavuori N120
<<locked>>
93%
26658
53%
**40
96%

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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