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Load data for .303 Savage + .308 | 170gr | Lapua Lock Base

Recommended Powder(s): Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x

.303 Savage + .308 | 170gr | Lapua Lock Base

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Lapua Lock Base
Manufacturer SKU:
4PL7086 | B476
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.201" | 30.5mm
Caliber:
.303 Savage load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.482" | 63.0mm
Seated Depth:
0.733" | 18.6mm
Shank Seated Depth:
0.567" | 14.4mm
Case Capacity:
45.0 Grains of Water | 2.92 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B3155_C391
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 66 loads in caliber .303 Savage with .308 | 170gr | Lapua Lock Base bullet and 33 powders such as Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x. 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%
34563
88%
**83
96%
Accurate 2015 👍
<<locked>>
91%
34577
88%
**70
98%
[Accurate 2460]*
<<locked>>
90%
34447
88%
**77
92%
Accurate 2495
<<locked>>
96%
31270
80%
**10
97%
[Accurate 2520]*
<<locked>>
96%
34606
88%
**26
93%
[Accurate 4064]*
<<locked>>
96%
25933
66%
**78
92%
Alliant AR-Comp 👍
<<locked>>
95%
35215
90%
**46
100%
Alliant Reloder-10x 👍
<<locked>>
88%
34795
89%
**83
99%
Baschieri & Pellagri 106
<<locked>>
85%
35201
90%
**14
96%
[Hodgdon Benchmark]*
<<locked>>
89%
34447
88%
**14
92%
Hodgdon H322
<<locked>>
91%
34563
88%
**83
96%
[Hodgdon H335]*
<<locked>>
86%
34664
89%
**90
94%
IMR 3031
<<locked>>
97%
31865
81%
**83
96%
IMR 4198
<<locked>>
85%
34432
88%
**21
99%
[Lovex D073.4]*
<<locked>>
88%
34287
88%
**57
92%
[Lovex D073.5]*
<<locked>>
90%
34447
88%
**77
92%
[Lovex D073.6]*
<<locked>>
96%
32445
83%
**87
93%
Norma 200
<<locked>>
83%
33881
87%
**54
99%
[Norma 202]*
<<locked>>
96%
34432
88%
**93
94%
[ReloadSwiss RS 40]*
<<locked>>
88%
34592
88%
**67
93%
[Rottweil R 901]*
<<locked>>
92%
34316
88%
**57
94%
[SNPE Vectan SP 10]*
<<locked>>
85%
34098
87%
**80
94%
[SNPE Vectan Tubal 3000]*
<<locked>>
93%
35012
89%
**18
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
96%
31401
80%
**59
94%
[Shooters World Match Rifle]*
<<locked>>
96%
32445
83%
**87
93%
Somchem S335
<<locked>>
95%
35244
90%
**54
96%
Vihtavuori N120
<<locked>>
83%
34156
87%
**05
100%
Vihtavuori N130
<<locked>>
89%
34606
88%
**28
98%
Vihtavuori N133
<<locked>>
96%
34940
89%
**44
97%
[Vihtavuori N135]*
<<locked>>
96%
25730
66%
**09
93%
[Vihtavuori N140]*
<<locked>>
96%
32793
84%
**37
94%
[Vihtavuori N540]*
<<locked>>
97%
32837
84%
**60
93%
[Winchester 748]*
<<locked>>
92%
34983
89%
**10
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2219]*
<<locked>>
81%
30371
78%
**95
94%
Accurate 2015
<<locked>>
81%
25353
65%
**73
95%
[Accurate 2460]*
<<locked>>
86%
29892
76%
**88
90%
[Accurate 2495]*
<<locked>>
81%
18913
48%
**88
90%
[Accurate 2520]*
<<locked>>
90%
28384
72%
**95
91%
[Accurate 4064]*
<<locked>>
93%
23438
60%
**13
90%
Alliant AR-Comp
<<locked>>
81%
22858
58%
**47
95%
Alliant Reloder-10x
<<locked>>
81%
28369
72%
**52
97%
Baschieri & Pellagri 106
<<locked>>
81%
31111
79%
**36
95%
[Hodgdon Benchmark]*
<<locked>>
86%
31256
80%
**52
90%
[Hodgdon H322]*
<<locked>>
81%
25759
66%
**80
91%
[Hodgdon H335]*
<<locked>>
81%
29356
75%
**75
92%
[IMR 3031]*
<<locked>>
86%
23105
59%
**50
90%
IMR 4198
<<locked>>
81%
31038
79%
**55
98%
[Lovex D073.4]*
<<locked>>
84%
29936
76%
**72
90%
[Lovex D073.5]*
<<locked>>
86%
29892
76%
**88
90%
[Lovex D073.6]*
<<locked>>
92%
28384
72%
**95
91%
Norma 200
<<locked>>
81%
31792
81%
**11
99%
[Norma 202]*
<<locked>>
86%
25672
66%
**00
90%
[ReloadSwiss RS 40]*
<<locked>>
83%
29240
75%
**52
90%
[Rottweil R 901]*
<<locked>>
83%
26382
67%
**83
90%
[SNPE Vectan SP 10]*
<<locked>>
81%
30066
77%
**88
92%
[SNPE Vectan Tubal 3000]*
<<locked>>
83%
25570
65%
**24
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
87%
24149
62%
**91
90%
[Shooters World Match Rifle]*
<<locked>>
92%
28384
72%
**95
91%
[Somchem S335]*
<<locked>>
82%
23975
61%
**08
90%
Vihtavuori N120
<<locked>>
81%
31807
81%
**65
100%
Vihtavuori N130
<<locked>>
81%
27325
70%
**77
96%
[Vihtavuori N133]*
<<locked>>
81%
22814
58%
**65
92%
[Vihtavuori N135]*
<<locked>>
90%
21959
56%
**98
90%
[Vihtavuori N140]*
<<locked>>
88%
25556
65%
**70
90%
[Vihtavuori N540]*
<<locked>>
90%
27093
69%
**32
90%
[Winchester 748]*
<<locked>>
89%
31908
81%
**41
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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