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Load data for .300 AAC Blackout + .308 | 150gr | Barnes X BT

Recommended Powder(s): none

.300 AAC Blackout + .308 | 150gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes X BT
Manufacturer SKU:
30817
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.205" | 30.6mm
Caliber:
.300 AAC Blackout load data
Case Length (l3):
1.367" | 34.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.346" | 8.8mm
Shank Seated Depth:
0.221" | 5.6mm
Case Capacity:
25.1 Grains of Water | 1.63 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
50763 psi | 3500 bar
LID:
LID_B610_C348
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 30 loads in caliber .300 AAC Blackout with .308 | 150gr | Barnes X BT bullet and 15 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".

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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%
45049
89%
**77
99%
ADI AR 2207
<<locked>>
96%
32140
63%
**34
95%
Accurate 5744
<<locked>>
88%
44266
87%
**36
95%
Accurate No. 11 FS
<<locked>>
88%
43888
86%
**26
98%
Hodgdon LilGun
<<locked>>
85%
45034
89%
**95
100%
IMR 4227
<<locked>>
96%
41713
82%
**96
96%
Lovex D060
<<locked>>
90%
44266
87%
**36
95%
Lovex D063
<<locked>>
88%
45281
89%
**39
95%
Lovex S053
<<locked>>
95%
38754
76%
**70
99%
ReloadSwiss RS 36
<<locked>>
96%
39465
78%
**06
95%
SNPE Vectan BA6 1/2
<<locked>>
96%
37536
74%
**78
100%
Shooters World Blackout
<<locked>>
88%
45281
89%
**39
95%
Shooters World Buffalo Rifle
<<locked>>
90%
44266
87%
**36
95%
Vihtavuori N110
<<locked>>
93%
43816
86%
**06
100%
Vihtavuori N120
<<locked>>
96%
31053
61%
**78
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
35041
69%
**36
98%
[ADI AR 2207]*
<<locked>>
85%
23931
47%
**50
90%
[Accurate 5744]*
<<locked>>
81%
36419
72%
**11
92%
Accurate No. 11 FS
<<locked>>
81%
35810
71%
**08
96%
Hodgdon LilGun
<<locked>>
81%
40567
80%
**39
100%
[IMR 4227]*
<<locked>>
81%
27804
55%
**50
91%
[Lovex D060]*
<<locked>>
81%
34809
69%
**81
92%
[Lovex D063]*
<<locked>>
81%
36883
73%
**18
93%
Lovex S053
<<locked>>
81%
27325
54%
**67
96%
[ReloadSwiss RS 36]*
<<locked>>
81%
26789
53%
**70
90%
SNPE Vectan BA6 1/2
<<locked>>
85%
28964
57%
**47
100%
[Shooters World Blackout]*
<<locked>>
81%
36883
73%
**18
93%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
34809
69%
**81
92%
Vihtavuori N110
<<locked>>
81%
31430
62%
**29
100%
[Vihtavuori N120]*
<<locked>>
88%
25353
50%
**57
93%

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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