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Load data for .300 Weath. Mag. + .308 | 135gr | Sierra Varminter

Recommended Powder(s):

.300 Weath. Mag. + .308 | 135gr | Sierra Varminter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 135gr | Sierra Varminter
Manufacturer SKU:
2124
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.954" | 24.2mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.271" | 6.9mm
Shank Seated Depth:
0.271" | 6.9mm
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_B5868_C379
Last updated:
2025-01-01

Load data for 160 loads in caliber .300 Weath. Mag. with .308 | 135gr | Sierra Varminter bullet and 80 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".

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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>>
87%
56855
89%
**71
100%
ADI AR 2209
<<locked>>
97%
54114
85%
**94
96%
[ADI AR 2213]*
<<locked>>
97%
48863
77%
**96
93%
Accurate 2700
<<locked>>
88%
57348
90%
**19
98%
Accurate 3100
<<locked>>
97%
47529
74%
**17
97%
Accurate 4064
<<locked>>
85%
56637
89%
**38
100%
Accurate 4350 👍
<<locked>>
93%
57406
90%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57305
90%
**87
100%
Alliant Reloder-15
<<locked>>
85%
57363
90%
**01
100%
Alliant Reloder-16 👍
<<locked>>
95%
56884
89%
**79
100%
Alliant Reloder-17
<<locked>>
90%
57101
89%
**89
100%
Alliant Reloder-19
<<locked>>
97%
53301
84%
**64
96%
Alliant Reloder-22
<<locked>>
97%
47529
74%
**99
95%
Alliant Reloder-23
<<locked>>
97%
44672
70%
**36
99%
Alliant Reloder-25
<<locked>>
97%
39044
61%
**25
95%
Alliant Reloder-26
<<locked>>
97%
51358
80%
**50
99%
Hodgdon CFE223
<<locked>>
85%
57246
90%
**33
100%
Hodgdon H380
<<locked>>
86%
57246
90%
**91
100%
Hodgdon H414
<<locked>>
89%
57232
90%
**50
98%
Hodgdon H4350
<<locked>>
96%
57000
89%
**81
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
51256
80%
**92
93%
Hodgdon Hybrid 100V
<<locked>>
96%
57058
89%
**94
100%
Hodgdon LVR
<<locked>>
91%
56927
89%
**30
99%
Hodgdon Superperformance
<<locked>>
91%
56797
89%
**60
98%
Hodgdon VARGET
<<locked>>
88%
56855
89%
**71
100%
Hodgdon TrailBoss
<<locked>>
97%
34795
55%
**60
100%
IMR 3031
<<locked>>
84%
57377
90%
**61
100%
IMR 4064
<<locked>>
88%
57232
90%
**71
100%
IMR 4166 Enduron
<<locked>>
89%
57334
90%
**51
98%
IMR 4350
<<locked>>
94%
57058
89%
**84
98%
IMR 4451 Enduron
<<locked>>
90%
57348
90%
**78
98%
IMR 4831
<<locked>>
97%
54244
85%
**68
100%
IMR 4895
<<locked>>
84%
57348
90%
**14
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50372
79%
**43
93%
[IMR 7828 SSC]*
<<locked>>
97%
50183
79%
**38
93%
Lovex S062
<<locked>>
86%
57421
90%
**58
100%
Lovex S065
<<locked>>
92%
57363
90%
**68
99%
Lovex S070
<<locked>>
93%
57029
89%
**78
98%
Lovex S071
<<locked>>
97%
39465
62%
**43
95%
Norma 203B
<<locked>>
85%
57174
90%
**94
100%
Norma 204
<<locked>>
94%
57392
90%
**17
97%
Norma MRP
<<locked>>
97%
50357
79%
**94
97%
Norma URP 👍
<<locked>>
94%
56913
89%
**33
100%
Ramshot Big Game
<<locked>>
85%
56797
89%
**04
100%
Ramshot Hunter
<<locked>>
94%
56956
89%
**40
99%
Ramshot Magnum
<<locked>>
97%
45774
72%
**27
95%
ReloadSwiss RS 14
<<locked>>
97%
35259
55%
**06
100%
ReloadSwiss RS 50
<<locked>>
86%
56985
89%
**64
99%
ReloadSwiss RS 52
<<locked>>
85%
57276
90%
**17
100%
ReloadSwiss RS 60
<<locked>>
91%
57116
89%
**15
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
56956
89%
**40
100%
ReloadSwiss RS 70
<<locked>>
94%
57116
89%
**06
100%
Rottweil R 902
<<locked>>
84%
56782
89%
**38
100%
Rottweil R 903
<<locked>>
89%
57421
90%
**84
100%
Rottweil R 904
<<locked>>
97%
56028
88%
**71
95%
Rottweil R 905
<<locked>>
97%
52504
82%
**48
96%
Rottweil R 907
<<locked>>
91%
56985
89%
**58
98%
SNPE Vectan SP 11
<<locked>>
88%
57348
90%
**14
100%
SNPE Vectan SP 9
<<locked>>
83%
57377
90%
**81
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
56826
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
56753
89%
**05
98%
Shooters World Long Rifle
<<locked>>
92%
57363
90%
**68
99%
Shooters World Precision
<<locked>>
86%
57421
90%
**58
100%
Somchem S355
<<locked>>
89%
57392
90%
**84
100%
Somchem S361
<<locked>>
96%
57145
90%
**35
95%
Somchem S365 👍
<<locked>>
96%
56884
89%
**40
100%
Somchem S385
<<locked>>
97%
53766
84%
**41
97%
Vihtavuori N133
<<locked>>
84%
57029
89%
**50
100%
Vihtavuori N135
<<locked>>
90%
57334
90%
**92
100%
Vihtavuori N140
<<locked>>
85%
57174
90%
**02
100%
Vihtavuori N150
<<locked>>
93%
56811
89%
**25
100%
Vihtavuori N160
<<locked>>
91%
57203
90%
**84
100%
[Vihtavuori N165]*
<<locked>>
97%
44469
70%
**45
94%
Vihtavuori N540
<<locked>>
85%
56840
89%
**35
100%
Vihtavuori N550
<<locked>>
91%
56956
89%
**20
100%
Vihtavuori N555
<<locked>>
97%
49734
78%
**25
99%
[Vihtavuori N560]*
<<locked>>
97%
47761
75%
**19
92%
Winchester 6.5 StaBALL
<<locked>>
93%
57043
89%
**55
100%
Winchester 760
<<locked>>
89%
57232
90%
**50
98%
Winchester StaBALL HD
<<locked>>
97%
39030
61%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46717
73%
**74
99%
[ADI AR 2209]*
<<locked>>
86%
37739
59%
**23
90%
[ADI AR 2213]*
<<locked>>
93%
42699
67%
**58
90%
Accurate 2700
<<locked>>
81%
45165
71%
**86
95%
[Accurate 3100]*
<<locked>>
84%
30255
47%
**97
90%
Accurate 4064
<<locked>>
81%
49342
77%
**17
100%
Accurate 4350
<<locked>>
81%
37449
59%
**20
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
46833
73%
**00
100%
Alliant Reloder-15
<<locked>>
81%
50314
79%
**89
99%
Alliant Reloder-16
<<locked>>
81%
36535
57%
**30
96%
Alliant Reloder-17
<<locked>>
81%
41626
65%
**91
99%
[Alliant Reloder-19]*
<<locked>>
86%
37623
59%
**20
90%
[Alliant Reloder-22]*
<<locked>>
90%
36985
58%
**40
90%
[Alliant Reloder-23]*
<<locked>>
81%
26731
42%
**31
92%
[Alliant Reloder-25]*
<<locked>>
90%
31111
49%
**69
90%
[Alliant Reloder-26]*
<<locked>>
81%
28877
45%
**53
90%
Hodgdon CFE223
<<locked>>
81%
49734
78%
**92
99%
Hodgdon H380
<<locked>>
81%
48051
75%
**17
98%
Hodgdon H414
<<locked>>
81%
43018
67%
**61
95%
[Hodgdon H4350]*
<<locked>>
81%
35447
56%
**08
91%
[Hodgdon H4831 SC]*
<<locked>>
92%
43801
69%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33968
53%
**15
97%
Hodgdon LVR
<<locked>>
81%
40408
63%
**89
96%
[Hodgdon Superperformance]*
<<locked>>
81%
38696
61%
**72
92%
Hodgdon VARGET
<<locked>>
81%
46311
73%
**64
99%
Hodgdon TrailBoss
<<locked>>
81%
27485
43%
**86
100%
IMR 3031
<<locked>>
81%
51343
80%
**76
100%
IMR 4064
<<locked>>
81%
45745
72%
**48
99%
IMR 4166 Enduron
<<locked>>
81%
45165
71%
**12
96%
[IMR 4350]*
<<locked>>
81%
37144
58%
**54
92%
IMR 4451 Enduron
<<locked>>
81%
43105
68%
**92
95%
[IMR 4831]*
<<locked>>
81%
32735
51%
**82
94%
IMR 4895
<<locked>>
81%
51692
81%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
91%
41901
66%
**66
90%
[IMR 7828 SSC]*
<<locked>>
92%
42685
67%
**68
90%
Lovex S062
<<locked>>
81%
49429
77%
**23
100%
Lovex S065
<<locked>>
81%
40669
64%
**33
96%
[Lovex S070]*
<<locked>>
81%
38754
61%
**04
94%
[Lovex S071]*
<<locked>>
89%
30008
47%
**80
90%
Norma 203B
<<locked>>
81%
49821
78%
**63
100%
[Norma 204]*
<<locked>>
82%
37811
59%
**10
90%
[Norma MRP]*
<<locked>>
86%
34301
54%
**90
90%
Norma URP
<<locked>>
81%
37333
59%
**23
96%
Ramshot Big Game
<<locked>>
81%
50140
79%
**82
100%
[Ramshot Hunter]*
<<locked>>
81%
36230
57%
**97
93%
[Ramshot Magnum]*
<<locked>>
90%
35882
56%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
27934
44%
**32
100%
ReloadSwiss RS 50
<<locked>>
81%
48051
75%
**97
97%
ReloadSwiss RS 52
<<locked>>
81%
49676
78%
**86
100%
ReloadSwiss RS 60
<<locked>>
81%
40161
63%
**71
99%
ReloadSwiss RS 62
<<locked>>
81%
37318
58%
**40
96%
[ReloadSwiss RS 70]*
<<locked>>
81%
36274
57%
**40
94%
Rottweil R 902
<<locked>>
81%
51314
80%
**36
100%
Rottweil R 903
<<locked>>
81%
44498
70%
**48
99%
[Rottweil R 904]*
<<locked>>
87%
40727
64%
**46
90%
[Rottweil R 905]*
<<locked>>
86%
36782
58%
**00
90%
[Rottweil R 907]*
<<locked>>
81%
41727
65%
**59
94%
SNPE Vectan SP 11
<<locked>>
81%
45861
72%
**10
99%
SNPE Vectan SP 9
<<locked>>
81%
53592
84%
**19
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45934
72%
**63
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
39929
63%
**71
94%
Shooters World Long Rifle
<<locked>>
81%
40669
64%
**33
96%
Shooters World Precision
<<locked>>
81%
49429
77%
**23
100%
Somchem S355
<<locked>>
81%
44962
70%
**51
99%
[Somchem S361]*
<<locked>>
88%
43047
67%
**66
90%
Somchem S365
<<locked>>
81%
33504
52%
**64
98%
[Somchem S385]*
<<locked>>
84%
34214
54%
**02
90%
Vihtavuori N133
<<locked>>
81%
51213
80%
**54
100%
Vihtavuori N135
<<locked>>
81%
43468
68%
**66
100%
Vihtavuori N140
<<locked>>
81%
50894
80%
**07
100%
Vihtavuori N150
<<locked>>
81%
38363
60%
**81
99%
Vihtavuori N160
<<locked>>
81%
40306
63%
**59
97%
[Vihtavuori N165]*
<<locked>>
90%
35491
56%
**25
90%
Vihtavuori N540
<<locked>>
81%
50691
79%
**27
100%
Vihtavuori N550
<<locked>>
81%
41089
64%
**02
97%
[Vihtavuori N555]*
<<locked>>
81%
29298
46%
**26
93%
[Vihtavuori N560]*
<<locked>>
94%
42844
67%
**00
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38029
60%
**94
98%
Winchester 760
<<locked>>
81%
43018
67%
**61
95%
[Winchester StaBALL HD]*
<<locked>>
83%
25367
40%
**31
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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