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

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Winchester StaBALL HD

.300 Rem. Ultra Mag + .308 | 135gr | Sierra SP SSPistol

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 135gr | Sierra SP SSPistol
Manufacturer SKU:
7350
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.967" | 24.6mm
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:
0.273" | 6.9mm
Shank Seated Depth:
0.273" | 6.9mm
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_B5867_C374
Last updated:
2025-01-01

Load data for 132 loads in caliber .300 Rem. Ultra Mag with .308 | 135gr | Sierra SP SSPistol bullet and 66 powders such as Alliant Reloder-19, 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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%
57914
89%
**25
99%
ADI AR 2213
<<locked>>
95%
58218
90%
**61
98%
ADI AR 2217
<<locked>>
97%
45556
70%
**95
95%
ADI AR 2225
<<locked>>
97%
40799
63%
**46
97%
Accurate 2700
<<locked>>
83%
58363
90%
**17
99%
Accurate 3100
<<locked>>
95%
58204
90%
**59
100%
Accurate 4350
<<locked>>
86%
58044
89%
**96
100%
Accurate MAGPRO
<<locked>>
95%
58030
89%
**48
97%
Alliant Reloder-16
<<locked>>
88%
58102
89%
**45
100%
Alliant Reloder-17
<<locked>>
83%
58233
90%
**45
100%
Alliant Reloder-19 👍
<<locked>>
92%
58407
90%
**28
99%
Alliant Reloder-22 👍
<<locked>>
95%
58305
90%
**48
99%
Alliant Reloder-23
<<locked>>
96%
58262
90%
**12
100%
Alliant Reloder-25
<<locked>>
97%
51256
79%
**59
100%
Alliant Reloder-26 👍
<<locked>>
92%
58233
90%
**84
100%
Hodgdon H1000
<<locked>>
97%
45556
70%
**95
95%
Hodgdon H414
<<locked>>
83%
58160
90%
**28
100%
Hodgdon H4350
<<locked>>
90%
57928
89%
**73
99%
Hodgdon H4831
<<locked>>
97%
57159
88%
**82
97%
Hodgdon H4831 SC
<<locked>>
94%
58436
90%
**02
98%
Hodgdon Hybrid 100V
<<locked>>
90%
58001
89%
**59
100%
Hodgdon LVR
<<locked>>
85%
58334
90%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
40799
63%
**46
97%
Hodgdon Superperformance
<<locked>>
85%
58146
89%
**45
100%
Hodgdon TrailBoss
<<locked>>
97%
35317
54%
**80
100%
IMR 4166 Enduron
<<locked>>
84%
58305
90%
**56
100%
IMR 4350
<<locked>>
88%
58001
89%
**76
99%
IMR 4451 Enduron
<<locked>>
84%
57827
89%
**76
100%
IMR 4831
<<locked>>
92%
58218
90%
**86
100%
IMR 4955 Enduron
<<locked>>
95%
58276
90%
**69
98%
IMR 7828 SSC
<<locked>>
94%
58044
89%
**61
98%
Lovex S065
<<locked>>
86%
58044
89%
**56
100%
Lovex S070
<<locked>>
87%
58001
89%
**79
100%
Lovex S071
<<locked>>
97%
51750
80%
**64
100%
Norma 204
<<locked>>
88%
58247
90%
**09
99%
Norma 217
<<locked>>
97%
36622
56%
**61
95%
Norma MRP 👍
<<locked>>
93%
57754
89%
**74
100%
Norma URP
<<locked>>
87%
58146
89%
**09
100%
Ramshot Hunter
<<locked>>
88%
58262
90%
**19
100%
Ramshot Magnum
<<locked>>
95%
57740
89%
**05
100%
ReloadSwiss RS 14
<<locked>>
96%
35824
55%
**26
100%
ReloadSwiss RS 60
<<locked>>
84%
58363
90%
**64
100%
ReloadSwiss RS 62
<<locked>>
86%
58131
89%
**12
100%
ReloadSwiss RS 70
<<locked>>
87%
58291
90%
**68
100%
ReloadSwiss RS 76
<<locked>>
97%
51547
79%
**05
100%
ReloadSwiss RS 80
<<locked>>
97%
46688
72%
**74
95%
Rottweil R 904
<<locked>>
91%
58305
90%
**82
98%
Rottweil R 905
<<locked>>
92%
58175
90%
**15
99%
Rottweil R 907
<<locked>>
85%
58349
90%
**79
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
58059
89%
**10
100%
Shooters World Long Rifle
<<locked>>
86%
58044
89%
**56
100%
Somchem S361
<<locked>>
90%
58407
90%
**30
97%
Somchem S365
<<locked>>
89%
57798
89%
**89
100%
Somchem S385
<<locked>>
92%
58102
89%
**79
99%
Vihtavuori N135
<<locked>>
84%
58059
89%
**74
100%
Vihtavuori N150
<<locked>>
88%
57856
89%
**10
100%
Vihtavuori N160
<<locked>>
85%
57827
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
57305
88%
**43
99%
Vihtavuori N550
<<locked>>
85%
58001
89%
**12
100%
Vihtavuori N555
<<locked>>
93%
58073
89%
**09
100%
Vihtavuori N560
<<locked>>
95%
58407
90%
**81
98%
Vihtavuori N565
<<locked>>
97%
54143
83%
**63
97%
[Vihtavuori N568]*
<<locked>>
97%
47529
73%
**87
94%
Winchester 6.5 StaBALL
<<locked>>
86%
58392
90%
**23
100%
Winchester 760
<<locked>>
83%
58160
90%
**28
100%
Winchester StaBALL HD 👍
<<locked>>
97%
58305
90%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
39871
61%
**77
94%
[ADI AR 2213]*
<<locked>>
81%
35621
55%
**89
90%
[ADI AR 2217]*
<<locked>>
90%
35375
54%
**56
90%
[ADI AR 2225]*
<<locked>>
87%
29791
46%
**28
90%
Accurate 2700
<<locked>>
81%
54346
84%
**54
99%
Accurate 3100
<<locked>>
81%
35853
55%
**36
96%
Accurate 4350
<<locked>>
81%
48080
74%
**38
100%
[Accurate MAGPRO]*
<<locked>>
84%
39624
61%
**90
90%
Alliant Reloder-16
<<locked>>
81%
45614
70%
**45
100%
Alliant Reloder-17
<<locked>>
81%
53374
82%
**73
100%
[Alliant Reloder-19]*
<<locked>>
81%
40016
62%
**81
94%
[Alliant Reloder-22]*
<<locked>>
81%
35679
55%
**99
92%
Alliant Reloder-23
<<locked>>
81%
34185
53%
**66
99%
[Alliant Reloder-25]*
<<locked>>
81%
29834
46%
**51
93%
Alliant Reloder-26
<<locked>>
81%
37913
58%
**10
98%
[Hodgdon H1000]*
<<locked>>
90%
35375
54%
**56
90%
Hodgdon H414
<<locked>>
81%
54056
83%
**63
99%
Hodgdon H4350
<<locked>>
81%
43410
67%
**10
97%
[Hodgdon H4831]*
<<locked>>
84%
36506
56%
**66
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37347
57%
**82
91%
Hodgdon Hybrid 100V
<<locked>>
81%
43207
67%
**17
100%
Hodgdon LVR
<<locked>>
81%
50227
77%
**87
100%
[Hodgdon Retumbo]*
<<locked>>
87%
29791
46%
**28
90%
Hodgdon Superperformance
<<locked>>
81%
49966
77%
**04
99%
Hodgdon TrailBoss
<<locked>>
81%
28021
43%
**16
100%
IMR 4166 Enduron
<<locked>>
81%
53142
82%
**77
99%
IMR 4350
<<locked>>
81%
45832
71%
**53
97%
IMR 4451 Enduron
<<locked>>
81%
51808
80%
**71
99%
IMR 4831
<<locked>>
81%
40944
63%
**77
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37362
58%
**62
91%
[IMR 7828 SSC]*
<<locked>>
81%
36550
56%
**22
91%
Lovex S065
<<locked>>
81%
49269
76%
**15
99%
Lovex S070
<<locked>>
81%
47601
73%
**92
98%
[Lovex S071]*
<<locked>>
81%
30400
47%
**98
93%
Norma 204
<<locked>>
81%
45934
71%
**95
96%
[Norma 217]*
<<locked>>
91%
30037
46%
**71
90%
Norma MRP
<<locked>>
81%
37449
58%
**71
95%
Norma URP
<<locked>>
81%
46934
72%
**18
100%
Ramshot Hunter
<<locked>>
81%
45847
71%
**99
99%
[Ramshot Magnum]*
<<locked>>
81%
33228
51%
**07
92%
ReloadSwiss RS 14
<<locked>>
81%
28543
44%
**59
100%
ReloadSwiss RS 60
<<locked>>
81%
51488
79%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
48124
74%
**45
100%
ReloadSwiss RS 70
<<locked>>
81%
46267
71%
**54
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
30153
46%
**67
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
37666
58%
**58
90%
[Rottweil R 904]*
<<locked>>
81%
41104
63%
**54
93%
[Rottweil R 905]*
<<locked>>
81%
39247
60%
**64
94%
Rottweil R 907
<<locked>>
81%
50401
78%
**38
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
48501
75%
**63
99%
Shooters World Long Rifle
<<locked>>
81%
49269
76%
**15
99%
[Somchem S361]*
<<locked>>
81%
42192
65%
**38
93%
Somchem S365
<<locked>>
81%
43932
68%
**72
100%
Somchem S385
<<locked>>
81%
39856
61%
**44
96%
Vihtavuori N135
<<locked>>
81%
52779
81%
**05
100%
Vihtavuori N150
<<locked>>
81%
46891
72%
**36
100%
Vihtavuori N160
<<locked>>
81%
50401
78%
**51
100%
[Vihtavuori N165]*
<<locked>>
81%
33446
51%
**64
92%
Vihtavuori N550
<<locked>>
81%
51227
79%
**97
100%
Vihtavuori N555
<<locked>>
81%
38276
59%
**51
99%
[Vihtavuori N560]*
<<locked>>
82%
36506
56%
**25
90%
[Vihtavuori N565]*
<<locked>>
85%
35070
54%
**69
90%
[Vihtavuori N568]*
<<locked>>
91%
38899
60%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47964
74%
**66
100%
Winchester 760
<<locked>>
81%
54056
83%
**63
99%
Winchester StaBALL HD
<<locked>>
81%
29834
46%
**62
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.

<<locked>>... you need to buy an access license to unlock the data

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