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Load data for .300 Weath. Mag. + .309 | 170gr | LEE Mold C309-170-F

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Recommended Powder(s):

.300 Weath. Mag. + .309 | 170gr | LEE Mold C309-170-F

Load Specifications

Bullet:
.309 | 170gr | LEE Mold C309-170-F
Manufacturer SKU:
C309-170-F
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.309" | 7.85mm
Bullet Length:
0.983" | 25.0mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.300" | 7.6mm
Shank Seated Depth:
0.300" | 7.6mm
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_B3255_C379

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

Load data for 152 loads in caliber .300 Weath. Mag. with .309 | 170gr | LEE Mold C309-170-F bullet and 76 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".

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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>>
85%
57305
90%
**72
100%
ADI AR 2209
<<locked>>
96%
57392
90%
**71
99%
ADI AR 2213
<<locked>>
97%
53229
83%
**35
97%
[ADI AR 2217]*
<<locked>>
97%
38247
60%
**07
92%
[ADI AR 2225]*
<<locked>>
97%
33460
52%
**38
94%
Accurate 2700
<<locked>>
86%
56840
89%
**43
99%
Accurate 3100
<<locked>>
97%
51764
81%
**27
100%
Accurate 4064
<<locked>>
84%
56884
89%
**30
100%
Accurate 4350
<<locked>>
90%
56637
89%
**28
100%
Accurate MAGPRO
<<locked>>
97%
52011
81%
**15
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
57232
90%
**82
100%
Alliant Reloder-16
<<locked>>
91%
56753
89%
**68
100%
Alliant Reloder-17
<<locked>>
87%
57101
89%
**68
100%
Alliant Reloder-19
<<locked>>
96%
57000
89%
**58
99%
Alliant Reloder-22
<<locked>>
97%
52388
82%
**25
98%
Alliant Reloder-23
<<locked>>
97%
49705
78%
**49
100%
Alliant Reloder-25
<<locked>>
97%
42975
67%
**67
99%
Alliant Reloder-26 👍
<<locked>>
96%
57421
90%
**56
100%
[Hodgdon H1000]*
<<locked>>
97%
38247
60%
**07
92%
Hodgdon H380
<<locked>>
84%
56739
89%
**95
100%
Hodgdon H414
<<locked>>
86%
57232
90%
**54
100%
Hodgdon H4350
<<locked>>
93%
57435
90%
**09
99%
Hodgdon H4831
<<locked>>
97%
49284
77%
**07
96%
Hodgdon H4831 SC
<<locked>>
97%
56014
88%
**22
97%
Hodgdon Hybrid 100V
<<locked>>
94%
57246
90%
**95
100%
Hodgdon LVR
<<locked>>
89%
56826
89%
**25
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33460
52%
**38
94%
Hodgdon Superperformance
<<locked>>
88%
56869
89%
**74
100%
Hodgdon VARGET
<<locked>>
85%
57305
90%
**72
100%
Hodgdon TrailBoss
<<locked>>
96%
34316
54%
**41
100%
IMR 4064
<<locked>>
86%
56797
89%
**63
100%
IMR 4166 Enduron
<<locked>>
86%
56739
89%
**66
100%
IMR 4350
<<locked>>
92%
57145
90%
**99
99%
IMR 4451 Enduron
<<locked>>
87%
56869
89%
**89
100%
IMR 4831
<<locked>>
96%
57203
90%
**12
100%
IMR 4955 Enduron
<<locked>>
97%
54998
86%
**69
97%
IMR 7828 SSC
<<locked>>
97%
55042
86%
**81
98%
Lovex S062
<<locked>>
84%
57203
90%
**53
100%
Lovex S065
<<locked>>
89%
56797
89%
**72
100%
Lovex S070
<<locked>>
91%
57217
90%
**12
100%
Lovex S071
<<locked>>
97%
42221
66%
**56
98%
Norma 204 👍
<<locked>>
91%
56840
89%
**45
99%
Norma MRP
<<locked>>
97%
56623
89%
**14
100%
Norma URP
<<locked>>
91%
56724
89%
**31
100%
Ramshot Hunter 👍
<<locked>>
91%
57145
90%
**51
100%
Ramshot Magnum
<<locked>>
97%
51387
81%
**86
99%
ReloadSwiss RS 14
<<locked>>
97%
35244
55%
**93
100%
ReloadSwiss RS 50
<<locked>>
84%
57348
90%
**92
100%
ReloadSwiss RS 60
<<locked>>
88%
57290
90%
**94
100%
ReloadSwiss RS 62
<<locked>>
90%
57319
90%
**51
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57130
90%
**10
100%
ReloadSwiss RS 76
<<locked>>
97%
41771
65%
**84
98%
Rottweil R 903
<<locked>>
86%
57377
90%
**79
100%
Rottweil R 904
<<locked>>
95%
56855
89%
**09
98%
Rottweil R 905
<<locked>>
96%
57159
90%
**61
99%
Rottweil R 907
<<locked>>
88%
56782
89%
**82
99%
SNPE Vectan SP 11
<<locked>>
85%
57087
89%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57203
90%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57435
90%
**46
100%
Shooters World Long Rifle
<<locked>>
89%
56797
89%
**72
100%
Shooters World Precision
<<locked>>
84%
57203
90%
**53
100%
Somchem S355
<<locked>>
86%
56782
89%
**76
100%
Somchem S361
<<locked>>
94%
57058
89%
**79
97%
Somchem S365
<<locked>>
93%
57029
89%
**31
100%
Somchem S385
<<locked>>
96%
57435
90%
**25
99%
Vihtavuori N135
<<locked>>
87%
56971
89%
**81
100%
Vihtavuori N150
<<locked>>
91%
56840
89%
**27
100%
Vihtavuori N160
<<locked>>
88%
56826
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
49052
77%
**74
98%
Vihtavuori N550
<<locked>>
88%
57217
90%
**31
100%
Vihtavuori N555 👍
<<locked>>
97%
55042
86%
**31
100%
Vihtavuori N560
<<locked>>
97%
53142
83%
**51
97%
Vihtavuori N565
<<locked>>
97%
43976
69%
**58
95%
Winchester 6.5 StaBALL
<<locked>>
90%
56840
89%
**56
100%
Winchester 760
<<locked>>
86%
57232
90%
**54
100%
Winchester StaBALL HD
<<locked>>
97%
45774
72%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50183
79%
**67
100%
[ADI AR 2209]*
<<locked>>
81%
34214
54%
**89
92%
[ADI AR 2213]*
<<locked>>
85%
34722
54%
**28
90%
[ADI AR 2217]*
<<locked>>
94%
34476
54%
**02
90%
[ADI AR 2225]*
<<locked>>
93%
29109
46%
**90
90%
Accurate 2700
<<locked>>
81%
48080
75%
**92
98%
[Accurate 3100]*
<<locked>>
81%
28326
44%
**08
93%
Accurate 4064
<<locked>>
81%
51416
81%
**58
100%
Accurate 4350
<<locked>>
81%
39856
62%
**20
99%
[Accurate MAGPRO]*
<<locked>>
89%
39015
61%
**53
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50604
79%
**81
100%
Alliant Reloder-16
<<locked>>
81%
39436
62%
**49
99%
Alliant Reloder-17
<<locked>>
81%
45759
72%
**90
100%
[Alliant Reloder-19]*
<<locked>>
81%
33939
53%
**79
92%
[Alliant Reloder-22]*
<<locked>>
82%
30574
48%
**30
90%
Alliant Reloder-23
<<locked>>
81%
27934
44%
**57
97%
[Alliant Reloder-25]*
<<locked>>
82%
25295
40%
**72
90%
Alliant Reloder-26
<<locked>>
81%
30400
48%
**75
95%
[Hodgdon H1000]*
<<locked>>
94%
34476
54%
**02
90%
Hodgdon H380
<<locked>>
81%
51329
80%
**10
100%
Hodgdon H414
<<locked>>
81%
46876
73%
**74
98%
Hodgdon H4350
<<locked>>
81%
37869
59%
**41
95%
[Hodgdon H4831]*
<<locked>>
87%
35128
55%
**98
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
35128
55%
**98
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36608
57%
**31
99%
Hodgdon LVR
<<locked>>
81%
43584
68%
**99
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29109
46%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
42235
66%
**12
97%
Hodgdon VARGET
<<locked>>
81%
49545
78%
**54
100%
Hodgdon TrailBoss
<<locked>>
81%
27383
43%
**93
100%
IMR 4064
<<locked>>
81%
48965
77%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
47935
75%
**12
99%
IMR 4350
<<locked>>
81%
40103
63%
**90
96%
IMR 4451 Enduron
<<locked>>
81%
46398
73%
**05
98%
IMR 4831
<<locked>>
81%
34592
54%
**82
98%
[IMR 4955 Enduron]*
<<locked>>
83%
34505
54%
**49
90%
[IMR 7828 SSC]*
<<locked>>
84%
34345
54%
**21
90%
Lovex S062
<<locked>>
81%
52533
82%
**87
100%
Lovex S065
<<locked>>
81%
42844
67%
**26
99%
Lovex S070
<<locked>>
81%
41031
64%
**07
97%
[Lovex S071]*
<<locked>>
82%
24874
39%
**06
90%
Norma 204
<<locked>>
81%
39740
62%
**13
95%
[Norma MRP]*
<<locked>>
81%
30719
48%
**59
92%
Norma URP
<<locked>>
81%
40132
63%
**26
99%
Ramshot Hunter
<<locked>>
81%
39276
62%
**23
97%
[Ramshot Magnum]*
<<locked>>
83%
29312
46%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
27775
44%
**29
100%
ReloadSwiss RS 50
<<locked>>
81%
51503
81%
**94
99%
ReloadSwiss RS 60
<<locked>>
81%
44063
69%
**77
100%
ReloadSwiss RS 62
<<locked>>
81%
40466
63%
**53
99%
ReloadSwiss RS 70
<<locked>>
81%
39247
61%
**66
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29718
47%
**36
90%
Rottweil R 903
<<locked>>
81%
47369
74%
**25
100%
[Rottweil R 904]*
<<locked>>
81%
35636
56%
**82
92%
[Rottweil R 905]*
<<locked>>
81%
32880
52%
**59
92%
Rottweil R 907
<<locked>>
81%
44309
69%
**59
97%
SNPE Vectan SP 11
<<locked>>
81%
49850
78%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49269
77%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42047
66%
**74
97%
Shooters World Long Rifle
<<locked>>
81%
42844
67%
**26
99%
Shooters World Precision
<<locked>>
81%
52533
82%
**87
100%
Somchem S355
<<locked>>
81%
47776
75%
**25
100%
[Somchem S361]*
<<locked>>
81%
35940
56%
**59
91%
Somchem S365
<<locked>>
81%
36666
57%
**77
100%
[Somchem S385]*
<<locked>>
81%
33185
52%
**39
93%
Vihtavuori N135
<<locked>>
81%
46441
73%
**30
100%
Vihtavuori N150
<<locked>>
81%
40915
64%
**71
100%
Vihtavuori N160
<<locked>>
81%
43598
68%
**69
99%
[Vihtavuori N165]*
<<locked>>
82%
29022
45%
**21
90%
Vihtavuori N550
<<locked>>
81%
44164
69%
**08
99%
Vihtavuori N555
<<locked>>
81%
31009
49%
**33
97%
[Vihtavuori N560]*
<<locked>>
86%
35157
55%
**57
90%
[Vihtavuori N565]*
<<locked>>
90%
34621
54%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41133
64%
**00
100%
Winchester 760
<<locked>>
81%
46876
73%
**74
98%
Winchester StaBALL HD
<<locked>>
81%
22684
36%
**08
95%

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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