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Load data for .303 Savage + .308 | 185gr | Lapua Mega

Recommended Powder(s): Accurate 2495, Alliant AR-Comp

.303 Savage + .308 | 185gr | Lapua Mega

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 74 loads in caliber .303 Savage with .308 | 185gr | Lapua Mega bullet and 37 powders such as Accurate 2495, 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
Accurate 2015
87%
89%
99%
Accurate 2230
86%
88%
92%
Accurate 2460
87%
90%
95%
Accurate 2495
94%
89%
99%
Accurate 2520
92%
89%
95%
Accurate 4064
96%
79%
96%
Alliant AR-Comp
92%
90%
100%
Alliant Reloder-10x
83%
87%
99%
Hodgdon BL-C2
91%
88%
93%
Hodgdon Benchmark
86%
88%
94%
Hodgdon H322
87%
89%
97%
IMR 3031
95%
87%
98%
IMR 8208 XBR
89%
89%
93%
Lovex D073.4
85%
88%
94%
Lovex D073.5
87%
89%
94%
Lovex D073.6
94%
88%
95%
Lovex S062
96%
88%
93%
Norma 201
92%
90%
93%
Norma 202
92%
88%
96%
ReloadSwiss RS 40
85%
88%
95%
ReloadSwiss RS 52
97%
88%
93%
Rottweil R 901
89%
89%
96%
Rottweil R 902
94%
88%
93%
SNPE Vectan Tubal 3000
90%
89%
96%
SNPE Vectan Tubal 5000
96%
87%
97%
Shooters World Match Rifle
94%
88%
95%
Shooters World Precision
96%
88%
93%
Somchem S321
88%
89%
94%
Somchem S335
90%
88%
97%
Vihtavuori N130
86%
88%
99%
Vihtavuori N133
92%
89%
99%
Vihtavuori N135
97%
76%
97%
Vihtavuori N140
95%
89%
97%
Vihtavuori N530
87%
88%
93%
Vihtavuori N540
95%
90%
96%
Winchester 748
88%
87%
94%
Winchester StaBALL Match
86%
90%
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate 2015
81%
73%
97%
Accurate 2230
82%
78%
90%
Accurate 2460
81%
74%
92%
Accurate 2495
81%
56%
94%
Accurate 2520
82%
63%
90%
Accurate 4064
84%
53%
90%
Alliant AR-Comp
81%
65%
98%
Alliant Reloder-10x
81%
81%
99%
Hodgdon BL-C2
86%
75%
90%
Hodgdon Benchmark
81%
75%
91%
Hodgdon H322
81%
73%
95%
IMR 3031
81%
57%
92%
IMR 8208 XBR
83%
74%
90%
Lovex D073.4
81%
78%
92%
Lovex D073.5
81%
73%
92%
Lovex D073.6
83%
62%
90%
Lovex S062
90%
72%
90%
Norma 201
86%
74%
90%
Norma 202
81%
62%
91%
ReloadSwiss RS 40
81%
78%
93%
ReloadSwiss RS 52
92%
75%
90%
Rottweil R 901
81%
71%
93%
Rottweil R 902
87%
72%
90%
SNPE Vectan Tubal 3000
81%
68%
93%
SNPE Vectan Tubal 5000
81%
56%
91%
Shooters World Match Rifle
83%
62%
90%
Shooters World Precision
90%
72%
90%
Somchem S321
81%
72%
90%
Somchem S335
81%
66%
94%
Vihtavuori N130
81%
77%
98%
Vihtavuori N133
81%
65%
95%
Vihtavuori N135
81%
48%
90%
Vihtavuori N140
81%
60%
91%
Vihtavuori N530
81%
72%
90%
Vihtavuori N540
82%
60%
90%
Winchester 748
81%
71%
90%
Winchester StaBALL Match
84%
82%
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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