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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Winchester StaBALL HD

.300 Rem. Ultra 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 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.260" | 6.6mm
Shank Seated Depth:
0.260" | 6.6mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5868_C374
Last updated:
2025-01-01

Load data for 132 loads in caliber .300 Rem. Ultra Mag with .308 | 135gr | Sierra Varminter bullet and 66 powders such as ADI AR 2209, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Winchester StaBALL HD. 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 2209 👍
<<locked>>
92%
57928
89%
**25
99%
ADI AR 2213
<<locked>>
95%
58204
90%
**58
98%
ADI AR 2217
<<locked>>
97%
45542
70%
**09
95%
ADI AR 2225
<<locked>>
97%
41118
63%
**59
97%
Accurate 2700
<<locked>>
83%
58378
90%
**17
99%
Accurate 3100
<<locked>>
95%
58189
90%
**56
100%
Accurate 4350
<<locked>>
86%
58088
89%
**96
100%
Accurate MAGPRO
<<locked>>
95%
58465
90%
**61
97%
Alliant Reloder-16
<<locked>>
88%
58160
90%
**45
100%
Alliant Reloder-17
<<locked>>
83%
58421
90%
**45
100%
Alliant Reloder-19
<<locked>>
92%
58015
89%
**22
99%
Alliant Reloder-22 👍
<<locked>>
95%
58305
90%
**48
99%
Alliant Reloder-23
<<locked>>
96%
58276
90%
**12
100%
Alliant Reloder-25
<<locked>>
97%
51793
80%
**69
100%
Alliant Reloder-26 👍
<<locked>>
91%
57899
89%
**84
100%
Hodgdon H1000
<<locked>>
97%
45542
70%
**09
95%
Hodgdon H414
<<locked>>
83%
58479
90%
**25
100%
Hodgdon H4350
<<locked>>
90%
58088
89%
**76
99%
Hodgdon H4831
<<locked>>
97%
57159
88%
**82
97%
Hodgdon H4831 SC
<<locked>>
94%
58421
90%
**02
98%
Hodgdon Hybrid 100V
<<locked>>
90%
58175
90%
**63
100%
Hodgdon LVR
<<locked>>
85%
58378
90%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
41118
63%
**59
97%
Hodgdon Superperformance
<<locked>>
85%
58175
90%
**41
100%
Hodgdon TrailBoss
<<locked>>
96%
35201
54%
**80
100%
IMR 4166 Enduron
<<locked>>
84%
57957
89%
**59
100%
IMR 4350
<<locked>>
88%
58030
89%
**76
99%
IMR 4451 Enduron
<<locked>>
84%
57870
89%
**76
100%
IMR 4831
<<locked>>
91%
58102
89%
**76
100%
IMR 4955 Enduron
<<locked>>
95%
58160
90%
**76
98%
IMR 7828 SSC
<<locked>>
94%
58189
90%
**61
98%
Lovex S065
<<locked>>
86%
58088
89%
**56
100%
Lovex S070
<<locked>>
87%
58015
89%
**79
100%
Lovex S071
<<locked>>
97%
52054
80%
**71
100%
Norma 204
<<locked>>
87%
58001
89%
**12
99%
Norma 217
<<locked>>
97%
36869
57%
**67
95%
Norma MRP 👍
<<locked>>
93%
58073
89%
**78
100%
Norma URP
<<locked>>
87%
58189
90%
**09
100%
Ramshot Hunter
<<locked>>
88%
58131
89%
**12
100%
Ramshot Magnum
<<locked>>
95%
57870
89%
**05
100%
ReloadSwiss RS 14
<<locked>>
96%
35969
55%
**29
100%
ReloadSwiss RS 60
<<locked>>
84%
58421
90%
**64
100%
ReloadSwiss RS 62
<<locked>>
86%
57856
89%
**15
100%
ReloadSwiss RS 70
<<locked>>
87%
58001
89%
**55
100%
ReloadSwiss RS 76
<<locked>>
97%
51503
79%
**19
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
46644
72%
**71
94%
Rottweil R 904
<<locked>>
91%
58436
90%
**86
98%
Rottweil R 905
<<locked>>
92%
58334
90%
**19
99%
Rottweil R 907
<<locked>>
85%
58378
90%
**79
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
58189
90%
**14
100%
Shooters World Long Rifle
<<locked>>
86%
58088
89%
**56
100%
Somchem S361
<<locked>>
90%
58131
89%
**33
98%
Somchem S365
<<locked>>
89%
58146
89%
**92
100%
Somchem S385
<<locked>>
92%
58407
90%
**82
99%
Vihtavuori N135
<<locked>>
84%
58131
89%
**74
100%
Vihtavuori N150
<<locked>>
88%
57899
89%
**10
100%
Vihtavuori N160
<<locked>>
85%
57870
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
57290
88%
**40
99%
Vihtavuori N550
<<locked>>
85%
58044
89%
**12
100%
Vihtavuori N555
<<locked>>
93%
58247
90%
**15
100%
Vihtavuori N560
<<locked>>
95%
58407
90%
**78
98%
Vihtavuori N565
<<locked>>
97%
54433
84%
**69
97%
[Vihtavuori N568]*
<<locked>>
97%
48022
74%
**97
94%
Winchester 6.5 StaBALL
<<locked>>
86%
58001
89%
**17
100%
Winchester 760
<<locked>>
83%
58479
90%
**25
100%
Winchester StaBALL HD 👍
<<locked>>
97%
58030
89%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
39914
61%
**81
94%
[ADI AR 2213]*
<<locked>>
81%
35665
55%
**89
90%
[ADI AR 2217]*
<<locked>>
89%
35375
54%
**53
90%
[ADI AR 2225]*
<<locked>>
87%
29718
46%
**28
90%
Accurate 2700
<<locked>>
81%
54389
84%
**54
99%
Accurate 3100
<<locked>>
81%
35897
55%
**46
96%
Accurate 4350
<<locked>>
81%
48138
74%
**38
100%
[Accurate MAGPRO]*
<<locked>>
85%
39885
61%
**87
90%
Alliant Reloder-16
<<locked>>
81%
45687
70%
**48
100%
Alliant Reloder-17
<<locked>>
81%
53563
82%
**76
100%
[Alliant Reloder-19]*
<<locked>>
81%
40059
62%
**84
94%
[Alliant Reloder-22]*
<<locked>>
81%
35723
55%
**99
93%
Alliant Reloder-23
<<locked>>
81%
34243
53%
**69
99%
[Alliant Reloder-25]*
<<locked>>
81%
29863
46%
**51
93%
Alliant Reloder-26
<<locked>>
81%
38189
59%
**10
98%
[Hodgdon H1000]*
<<locked>>
89%
35375
54%
**53
90%
Hodgdon H414
<<locked>>
81%
54375
84%
**63
99%
Hodgdon H4350
<<locked>>
81%
43453
67%
**10
97%
[Hodgdon H4831]*
<<locked>>
84%
36550
56%
**66
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37391
58%
**95
91%
Hodgdon Hybrid 100V
<<locked>>
81%
43279
67%
**20
100%
Hodgdon LVR
<<locked>>
81%
50401
78%
**91
100%
[Hodgdon Retumbo]*
<<locked>>
87%
29718
46%
**28
90%
Hodgdon Superperformance
<<locked>>
81%
49995
77%
**04
99%
Hodgdon TrailBoss
<<locked>>
81%
27934
43%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
53563
82%
**91
99%
IMR 4350
<<locked>>
81%
45890
71%
**66
98%
IMR 4451 Enduron
<<locked>>
81%
51851
80%
**71
99%
IMR 4831
<<locked>>
81%
41350
64%
**94
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37695
58%
**66
91%
[IMR 7828 SSC]*
<<locked>>
81%
36579
56%
**22
91%
Lovex S065
<<locked>>
81%
49327
76%
**15
99%
Lovex S070
<<locked>>
81%
47645
73%
**95
98%
[Lovex S071]*
<<locked>>
81%
30443
47%
**98
93%
Norma 204
<<locked>>
81%
46325
71%
**95
96%
[Norma 217]*
<<locked>>
91%
30255
47%
**67
90%
Norma MRP
<<locked>>
81%
37478
58%
**71
95%
Norma URP
<<locked>>
81%
46992
72%
**22
100%
Ramshot Hunter
<<locked>>
81%
46006
71%
**09
99%
[Ramshot Magnum]*
<<locked>>
81%
33344
51%
**07
92%
ReloadSwiss RS 14
<<locked>>
81%
28631
44%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
51547
79%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
48298
74%
**54
100%
ReloadSwiss RS 70
<<locked>>
81%
46557
72%
**68
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
30168
46%
**64
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
37318
57%
**58
90%
[Rottweil R 904]*
<<locked>>
81%
41147
63%
**58
93%
[Rottweil R 905]*
<<locked>>
81%
39305
60%
**64
94%
Rottweil R 907
<<locked>>
81%
50575
78%
**41
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
48631
75%
**63
99%
Shooters World Long Rifle
<<locked>>
81%
49327
76%
**15
99%
[Somchem S361]*
<<locked>>
81%
42438
65%
**51
93%
Somchem S365
<<locked>>
81%
43990
68%
**72
100%
Somchem S385
<<locked>>
81%
39900
61%
**44
96%
Vihtavuori N135
<<locked>>
81%
52866
81%
**05
100%
Vihtavuori N150
<<locked>>
81%
46949
72%
**36
100%
Vihtavuori N160
<<locked>>
81%
50444
78%
**51
100%
[Vihtavuori N165]*
<<locked>>
81%
33489
52%
**67
92%
Vihtavuori N550
<<locked>>
81%
51285
79%
**97
100%
Vihtavuori N555
<<locked>>
81%
38464
59%
**64
99%
[Vihtavuori N560]*
<<locked>>
82%
36550
56%
**25
90%
[Vihtavuori N565]*
<<locked>>
85%
35215
54%
**72
90%
[Vihtavuori N568]*
<<locked>>
91%
39015
60%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47993
74%
**63
100%
Winchester 760
<<locked>>
81%
54375
84%
**63
99%
Winchester StaBALL HD
<<locked>>
81%
30255
47%
**72
99%

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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