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Load data for .300 Weath. Mag. + .309 | 180gr | LEE Mold C309-180-R

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Recommended Powder(s):

.300 Weath. Mag. + .309 | 180gr | LEE Mold C309-180-R

Load Specifications

Bullet:
.309 | 180gr | LEE Mold C309-180-R
Manufacturer SKU:
C309-180-R
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.309" | 7.85mm
Bullet Length:
1.010" | 25.7mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.327" | 8.3mm
Shank Seated Depth:
0.327" | 8.3mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3256_C379

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 146 loads in caliber .300 Weath. Mag. with .309 | 180gr | LEE Mold C309-180-R bullet and 73 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 2208
<<locked>>
84%
56927
89%
**90
100%
ADI AR 2209
<<locked>>
94%
56797
89%
**92
99%
ADI AR 2213
<<locked>>
97%
56289
88%
**18
98%
[ADI AR 2217]*
<<locked>>
97%
39740
62%
**90
94%
ADI AR 2225
<<locked>>
97%
34838
55%
**15
95%
Accurate 2700
<<locked>>
85%
57363
90%
**71
100%
Accurate 3100
<<locked>>
97%
54476
85%
**04
100%
Accurate 4350
<<locked>>
89%
57145
90%
**49
100%
Accurate MAGPRO
<<locked>>
97%
54969
86%
**09
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
57000
89%
**00
100%
Alliant Reloder-16
<<locked>>
90%
57188
90%
**92
100%
Alliant Reloder-17
<<locked>>
86%
56942
89%
**92
100%
Alliant Reloder-19
<<locked>>
94%
56753
89%
**79
99%
Alliant Reloder-22
<<locked>>
97%
55564
87%
**05
99%
Alliant Reloder-23
<<locked>>
97%
52504
82%
**20
100%
Alliant Reloder-25
<<locked>>
97%
45049
71%
**54
100%
Alliant Reloder-26 👍
<<locked>>
95%
57377
90%
**64
100%
[Hodgdon H1000]*
<<locked>>
97%
39740
62%
**90
94%
Hodgdon H380
<<locked>>
83%
57246
90%
**27
100%
Hodgdon H414
<<locked>>
85%
57334
90%
**86
100%
Hodgdon H4350
<<locked>>
92%
57087
89%
**30
100%
Hodgdon H4831
<<locked>>
97%
50966
80%
**71
97%
Hodgdon H4831 SC
<<locked>>
96%
56884
89%
**59
98%
Hodgdon Hybrid 100V
<<locked>>
92%
56942
89%
**07
100%
Hodgdon LVR
<<locked>>
88%
57159
90%
**63
100%
Hodgdon Retumbo
<<locked>>
97%
34838
55%
**15
95%
Hodgdon Superperformance
<<locked>>
87%
57276
90%
**12
100%
Hodgdon VARGET
<<locked>>
84%
57305
90%
**00
100%
Hodgdon TrailBoss
<<locked>>
97%
35027
55%
**04
100%
IMR 4064
<<locked>>
84%
56797
89%
**81
100%
IMR 4166 Enduron
<<locked>>
86%
57392
90%
**97
100%
IMR 4350
<<locked>>
90%
57116
90%
**30
100%
IMR 4451 Enduron
<<locked>>
86%
57261
90%
**13
100%
IMR 4831
<<locked>>
94%
56971
89%
**36
100%
IMR 4955 Enduron
<<locked>>
97%
56985
89%
**40
98%
IMR 7828 SSC
<<locked>>
97%
57174
90%
**38
99%
Lovex S065
<<locked>>
88%
56956
89%
**07
100%
Lovex S070
<<locked>>
89%
56811
89%
**23
100%
Lovex S071
<<locked>>
97%
44222
69%
**23
99%
Norma 204 👍
<<locked>>
90%
56913
89%
**63
99%
Norma MRP
<<locked>>
96%
57188
90%
**51
100%
Norma URP
<<locked>>
90%
57058
89%
**56
100%
Ramshot Hunter 👍
<<locked>>
90%
57348
90%
**82
100%
Ramshot Magnum
<<locked>>
97%
54650
86%
**66
100%
ReloadSwiss RS 14
<<locked>>
97%
35462
56%
**44
100%
ReloadSwiss RS 60
<<locked>>
87%
57232
90%
**09
100%
ReloadSwiss RS 62
<<locked>>
89%
56855
89%
**66
100%
ReloadSwiss RS 70
<<locked>>
90%
57101
89%
**28
100%
ReloadSwiss RS 76
<<locked>>
97%
43642
68%
**74
99%
Rottweil R 903
<<locked>>
85%
56927
89%
**94
100%
Rottweil R 904
<<locked>>
93%
56869
89%
**43
98%
Rottweil R 905
<<locked>>
95%
57377
90%
**95
99%
Rottweil R 907
<<locked>>
88%
57261
90%
**20
100%
SNPE Vectan SP 11
<<locked>>
84%
57000
89%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57377
90%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56956
89%
**71
100%
Shooters World Long Rifle
<<locked>>
88%
56956
89%
**07
100%
Somchem S355
<<locked>>
85%
56913
89%
**94
100%
Somchem S361
<<locked>>
93%
56840
89%
**07
98%
Somchem S365
<<locked>>
92%
57392
90%
**59
100%
Somchem S385
<<locked>>
95%
56913
89%
**46
100%
Vihtavuori N135
<<locked>>
86%
56942
89%
**02
100%
Vihtavuori N150
<<locked>>
90%
57305
90%
**54
100%
Vihtavuori N160
<<locked>>
87%
57145
90%
**17
100%
Vihtavuori N165
<<locked>>
97%
50836
80%
**38
99%
Vihtavuori N550
<<locked>>
87%
57261
90%
**56
100%
Vihtavuori N555 👍
<<locked>>
97%
57217
90%
**89
100%
Vihtavuori N560
<<locked>>
97%
55666
87%
**22
98%
Vihtavuori N565
<<locked>>
97%
46557
73%
**41
96%
[Vihtavuori N568]*
<<locked>>
97%
40480
63%
**46
92%
Winchester 6.5 StaBALL
<<locked>>
89%
57290
90%
**87
100%
Winchester 760
<<locked>>
85%
57334
90%
**86
100%
Winchester StaBALL HD 👍
<<locked>>
97%
48805
76%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51692
81%
**18
100%
[ADI AR 2209]*
<<locked>>
81%
35578
56%
**66
94%
[ADI AR 2213]*
<<locked>>
82%
32953
52%
**13
90%
[ADI AR 2217]*
<<locked>>
91%
32605
51%
**03
90%
[ADI AR 2225]*
<<locked>>
90%
27702
43%
**92
90%
Accurate 2700
<<locked>>
81%
49632
78%
**53
99%
[Accurate 3100]*
<<locked>>
81%
29921
47%
**95
94%
Accurate 4350
<<locked>>
81%
41930
66%
**97
100%
[Accurate MAGPRO]*
<<locked>>
86%
36608
57%
**31
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52344
82%
**35
100%
Alliant Reloder-16
<<locked>>
81%
41307
65%
**20
100%
Alliant Reloder-17
<<locked>>
81%
48138
75%
**58
100%
[Alliant Reloder-19]*
<<locked>>
81%
35578
56%
**59
94%
[Alliant Reloder-22]*
<<locked>>
81%
30719
48%
**70
91%
Alliant Reloder-23
<<locked>>
81%
29457
46%
**44
98%
[Alliant Reloder-25]*
<<locked>>
81%
25367
40%
**23
92%
Alliant Reloder-26
<<locked>>
81%
32010
50%
**59
97%
[Hodgdon H1000]*
<<locked>>
91%
32605
51%
**03
90%
Hodgdon H380
<<locked>>
81%
53185
83%
**58
100%
Hodgdon H414
<<locked>>
81%
48762
76%
**44
99%
Hodgdon H4350
<<locked>>
81%
39450
62%
**08
97%
[Hodgdon H4831]*
<<locked>>
85%
33533
53%
**93
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33315
52%
**90
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38377
60%
**98
100%
Hodgdon LVR
<<locked>>
81%
45571
71%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
90%
27702
43%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
44193
69%
**79
98%
Hodgdon VARGET
<<locked>>
81%
51372
81%
**08
100%
Hodgdon TrailBoss
<<locked>>
81%
27499
43%
**44
100%
IMR 4064
<<locked>>
81%
50792
80%
**89
100%
IMR 4166 Enduron
<<locked>>
81%
49632
78%
**69
99%
IMR 4350
<<locked>>
81%
41553
65%
**48
97%
IMR 4451 Enduron
<<locked>>
81%
47834
75%
**66
99%
IMR 4831
<<locked>>
81%
36289
57%
**59
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33518
53%
**61
91%
[IMR 7828 SSC]*
<<locked>>
82%
32924
52%
**23
90%
Lovex S065
<<locked>>
81%
44585
70%
**00
99%
Lovex S070
<<locked>>
81%
42743
67%
**74
98%
[Lovex S071]*
<<locked>>
81%
25063
39%
**47
91%
Norma 204
<<locked>>
81%
41394
65%
**77
96%
[Norma MRP]*
<<locked>>
81%
32184
50%
**36
94%
Norma URP
<<locked>>
81%
42032
66%
**97
100%
Ramshot Hunter
<<locked>>
81%
40901
64%
**84
98%
[Ramshot Magnum]*
<<locked>>
81%
28079
44%
**88
90%
ReloadSwiss RS 14
<<locked>>
81%
27934
44%
**83
100%
ReloadSwiss RS 60
<<locked>>
81%
46296
73%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
42366
66%
**17
99%
ReloadSwiss RS 70
<<locked>>
81%
41205
65%
**46
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
28253
44%
**34
90%
Rottweil R 903
<<locked>>
81%
49458
77%
**82
100%
[Rottweil R 904]*
<<locked>>
81%
36999
58%
**56
93%
[Rottweil R 905]*
<<locked>>
81%
34360
54%
**39
94%
Rottweil R 907
<<locked>>
81%
45847
72%
**26
98%
SNPE Vectan SP 11
<<locked>>
81%
51648
81%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50691
79%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43845
69%
**41
98%
Shooters World Long Rifle
<<locked>>
81%
44585
70%
**00
99%
Somchem S355
<<locked>>
81%
49676
78%
**82
100%
[Somchem S361]*
<<locked>>
81%
37550
59%
**39
92%
Somchem S365
<<locked>>
81%
38377
60%
**48
100%
Somchem S385
<<locked>>
81%
34592
54%
**16
95%
Vihtavuori N135
<<locked>>
81%
48225
76%
**77
100%
Vihtavuori N150
<<locked>>
81%
42308
66%
**25
100%
Vihtavuori N160
<<locked>>
81%
45542
71%
**36
100%
[Vihtavuori N165]*
<<locked>>
81%
28906
45%
**56
91%
Vihtavuori N550
<<locked>>
81%
45832
72%
**72
100%
Vihtavuori N555
<<locked>>
81%
32779
51%
**16
98%
[Vihtavuori N560]*
<<locked>>
83%
33504
53%
**56
90%
[Vihtavuori N565]*
<<locked>>
87%
32518
51%
**20
90%
[Vihtavuori N568]*
<<locked>>
95%
36869
58%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43105
68%
**67
100%
Winchester 760
<<locked>>
81%
48762
76%
**44
99%
Winchester StaBALL HD
<<locked>>
81%
24453
38%
**05
97%

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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