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Load data for .303 Savage + .308 | 165gr | Speer Grand Slam

Recommended Powder(s): Alliant AR-Comp

.303 Savage + .308 | 165gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer Grand Slam
Manufacturer SKU:
2038
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.080" | 27.4mm
Caliber:
.303 Savage load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.482" | 63.0mm
Seated Depth:
0.612" | 15.5mm
Shank Seated Depth:
0.612" | 15.5mm
Case Capacity:
45.0 Grains of Water | 2.92 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B6156_C391
Last updated:
2025-01-01

Load data for 64 loads in caliber .303 Savage with .308 | 165gr | Speer Grand Slam bullet and 32 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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  • 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 2219
<<locked>>
85%
35056
90%
**56
96%
Accurate 2015
<<locked>>
89%
34055
87%
**19
98%
[Accurate 2460]*
<<locked>>
89%
34954
89%
**46
93%
Accurate 2495
<<locked>>
97%
33620
86%
**05
98%
[Accurate 2520]*
<<locked>>
95%
35056
90%
**98
94%
[Accurate 4064]*
<<locked>>
97%
27804
71%
**77
93%
Alliant AR-Comp 👍
<<locked>>
94%
34258
87%
**88
100%
Alliant Reloder-10x
<<locked>>
86%
34708
89%
**39
99%
Baschieri & Pellagri 106
<<locked>>
84%
34940
89%
**67
96%
[Hodgdon Benchmark]*
<<locked>>
88%
34592
88%
**73
92%
Hodgdon H322
<<locked>>
90%
35056
90%
**56
96%
[Hodgdon H335]*
<<locked>>
85%
34142
87%
**42
94%
IMR 3031
<<locked>>
96%
32285
82%
**49
96%
IMR 4198
<<locked>>
84%
34940
89%
**90
99%
[Lovex D073.4]*
<<locked>>
87%
34214
87%
**13
92%
[Lovex D073.5]*
<<locked>>
89%
34954
89%
**46
93%
[Lovex D073.6]*
<<locked>>
97%
33939
87%
**75
93%
Norma 202
<<locked>>
95%
34766
89%
**62
95%
[ReloadSwiss RS 40]*
<<locked>>
88%
34911
89%
**33
93%
Rottweil R 901
<<locked>>
92%
35027
89%
**26
95%
SNPE Vectan SP 10
<<locked>>
85%
35099
90%
**56
95%
[SNPE Vectan Tubal 3000]*
<<locked>>
91%
34374
88%
**64
94%
SNPE Vectan Tubal 5000
<<locked>>
97%
32474
83%
**44
95%
[Shooters World Match Rifle]*
<<locked>>
97%
33939
87%
**75
93%
[Somchem S321]*
<<locked>>
90%
34925
89%
**56
92%
Somchem S335
<<locked>>
93%
35172
90%
**10
96%
Vihtavuori N130
<<locked>>
89%
35215
90%
**96
99%
Vihtavuori N133
<<locked>>
95%
35114
90%
**03
98%
[Vihtavuori N135]*
<<locked>>
96%
27093
69%
**01
94%
Vihtavuori N140
<<locked>>
96%
34040
87%
**23
95%
[Vihtavuori N540]*
<<locked>>
97%
34287
88%
**49
94%
[Winchester 748]*
<<locked>>
90%
34418
88%
**59
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2219]*
<<locked>>
81%
30966
79%
**67
94%
Accurate 2015
<<locked>>
81%
26382
67%
**52
95%
[Accurate 2460]*
<<locked>>
84%
29066
74%
**21
90%
[Accurate 2495]*
<<locked>>
81%
20146
51%
**77
91%
[Accurate 2520]*
<<locked>>
88%
27267
70%
**24
90%
[Accurate 4064]*
<<locked>>
91%
23743
61%
**69
90%
Alliant AR-Comp
<<locked>>
81%
23554
60%
**23
96%
Alliant Reloder-10x
<<locked>>
81%
29254
75%
**28
97%
Baschieri & Pellagri 106
<<locked>>
81%
32097
82%
**11
96%
[Hodgdon Benchmark]*
<<locked>>
85%
31618
81%
**11
91%
[Hodgdon H322]*
<<locked>>
81%
26527
68%
**55
92%
[Hodgdon H335]*
<<locked>>
81%
30342
77%
**54
93%
[IMR 3031]*
<<locked>>
84%
22974
59%
**03
90%
IMR 4198
<<locked>>
81%
31618
81%
**24
99%
[Lovex D073.4]*
<<locked>>
83%
30037
77%
**31
90%
[Lovex D073.5]*
<<locked>>
84%
29066
74%
**21
90%
[Lovex D073.6]*
<<locked>>
90%
27267
70%
**24
90%
[Norma 202]*
<<locked>>
85%
25512
65%
**46
90%
[ReloadSwiss RS 40]*
<<locked>>
81%
28195
72%
**85
90%
[Rottweil R 901]*
<<locked>>
81%
25628
65%
**16
90%
[SNPE Vectan SP 10]*
<<locked>>
81%
30966
79%
**67
93%
[SNPE Vectan Tubal 3000]*
<<locked>>
82%
25701
66%
**77
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
86%
23931
61%
**37
90%
[Shooters World Match Rifle]*
<<locked>>
90%
27267
70%
**24
90%
[Somchem S321]*
<<locked>>
87%
31908
81%
**93
90%
[Somchem S335]*
<<locked>>
81%
24323
62%
**67
91%
Vihtavuori N130
<<locked>>
81%
28137
72%
**52
97%
[Vihtavuori N133]*
<<locked>>
81%
23366
60%
**34
92%
[Vihtavuori N135]*
<<locked>>
89%
21828
56%
**47
90%
[Vihtavuori N140]*
<<locked>>
87%
25889
66%
**32
91%
[Vihtavuori N540]*
<<locked>>
89%
26919
69%
**82
91%
[Winchester 748]*
<<locked>>
87%
31444
80%
**90
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.

<<locked>>... you need to buy an access license to unlock the data

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