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Load data for .303 Savage + .308 | 150gr | Speer TBBC

Recommended Powder(s): Alliant AR-Comp

.303 Savage + .308 | 150gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer TBBC
Manufacturer SKU:
1759
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.303 Savage load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.482" | 63.0mm
Seated Depth:
0.632" | 16.0mm
Shank Seated Depth:
0.632" | 16.0mm
Case Capacity:
45.0 Grains of Water | 2.92 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B6154_C391
Last updated:
2025-01-01

Load data for 42 loads in caliber .303 Savage with .308 | 150gr | Speer TBBC bullet and 21 powders such as Alliant AR-Comp. 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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    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 2207
<<locked>>
83%
34809
89%
**11
100%
[ADI AR 2219]*
<<locked>>
87%
34490
88%
**24
94%
Accurate 2015
<<locked>>
92%
34345
88%
**18
97%
Accurate 2495
<<locked>>
97%
29994
77%
**31
95%
Alliant AR-Comp 👍
<<locked>>
97%
34708
89%
**87
99%
Alliant Reloder-10x
<<locked>>
89%
34751
89%
**38
98%
Baschieri & Pellagri 106
<<locked>>
85%
34490
88%
**46
95%
[Hodgdon H322]*
<<locked>>
93%
35201
90%
**41
94%
[Hodgdon H335]*
<<locked>>
88%
34519
88%
**34
93%
[IMR 3031]*
<<locked>>
96%
29689
76%
**69
93%
IMR 4198
<<locked>>
87%
34998
89%
**82
98%
Norma 200
<<locked>>
85%
34505
88%
**21
98%
[Norma 202]*
<<locked>>
97%
33199
85%
**15
92%
[Rottweil R 901]*
<<locked>>
94%
34098
87%
**98
92%
[SNPE Vectan SP 10]*
<<locked>>
87%
34374
88%
**28
93%
[SNPE Vectan Tubal 3000]*
<<locked>>
94%
34403
88%
**52
93%
[Somchem S335]*
<<locked>>
96%
34316
88%
**78
94%
Vihtavuori N120
<<locked>>
85%
34621
88%
**75
100%
Vihtavuori N130
<<locked>>
91%
34592
88%
**75
97%
Vihtavuori N133
<<locked>>
97%
33663
86%
**65
96%
[Vihtavuori N140]*
<<locked>>
96%
31647
81%
**49
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
32619
83%
**69
100%
[ADI AR 2219]*
<<locked>>
81%
28718
73%
**90
91%
[Accurate 2015]*
<<locked>>
81%
23902
61%
**72
92%
[Accurate 2495]*
<<locked>>
86%
21466
55%
**01
90%
[Alliant AR-Comp]*
<<locked>>
81%
21886
56%
**36
92%
Alliant Reloder-10x
<<locked>>
81%
26919
69%
**60
95%
[Baschieri & Pellagri 106]*
<<locked>>
81%
29573
76%
**41
93%
[Hodgdon H322]*
<<locked>>
84%
27340
70%
**54
90%
[Hodgdon H335]*
<<locked>>
83%
29936
76%
**26
90%
[IMR 3031]*
<<locked>>
92%
26411
67%
**77
90%
IMR 4198
<<locked>>
81%
29791
76%
**67
97%
Norma 200
<<locked>>
81%
30356
78%
**36
97%
[Norma 202]*
<<locked>>
92%
29559
75%
**29
90%
[Rottweil R 901]*
<<locked>>
88%
29240
75%
**90
90%
[SNPE Vectan SP 10]*
<<locked>>
82%
29515
75%
**16
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
89%
29211
75%
**37
90%
[Somchem S335]*
<<locked>>
87%
26890
69%
**14
90%
Vihtavuori N120
<<locked>>
81%
30313
77%
**87
100%
[Vihtavuori N130]*
<<locked>>
81%
25947
66%
**82
94%
[Vihtavuori N133]*
<<locked>>
83%
23467
60%
**06
90%
[Vihtavuori N140]*
<<locked>>
93%
28761
73%
**80
90%

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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