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Load data for .300 Rem. Ultra Mag + .308 | 100gr | Speer RN PLI

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, Norma URP, Somchem S365, Vihtavuori N550

.300 Rem. Ultra Mag + .308 | 100gr | Speer RN PLI

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 100gr | Speer RN PLI
Manufacturer SKU:
1805
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.602" | 15.3mm
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.330" | 84.6mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B6137_C374
Last updated:
2025-01-01

Load data for 164 loads in caliber .300 Rem. Ultra Mag with .308 | 100gr | Speer RN PLI bullet and 82 powders such as Alliant Reloder-16, Hodgdon LVR, Norma URP, Somchem S365, Vihtavuori N550. 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 2208
<<locked>>
87%
57986
89%
**07
100%
ADI AR 2209
<<locked>>
97%
56898
88%
**24
97%
[ADI AR 2213]*
<<locked>>
97%
50966
78%
**19
94%
Accurate 2700
<<locked>>
88%
58131
89%
**19
98%
Accurate 3100
<<locked>>
97%
49385
76%
**17
98%
Accurate 4064
<<locked>>
86%
57986
89%
**68
100%
Accurate 4350
<<locked>>
93%
58015
89%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
58073
89%
**17
100%
Alliant Reloder-15
<<locked>>
85%
58131
89%
**37
100%
Alliant Reloder-16 👍
<<locked>>
94%
58218
90%
**96
100%
Alliant Reloder-17
<<locked>>
89%
58262
90%
**93
100%
Alliant Reloder-19
<<locked>>
97%
56043
86%
**97
97%
Alliant Reloder-22
<<locked>>
97%
50009
77%
**02
95%
Alliant Reloder-23
<<locked>>
97%
46876
72%
**46
100%
Alliant Reloder-25
<<locked>>
97%
40654
63%
**12
96%
Alliant Reloder-26
<<locked>>
97%
55201
85%
**53
100%
Hodgdon CFE223
<<locked>>
84%
57943
89%
**27
100%
Hodgdon H380
<<locked>>
86%
58015
89%
**04
99%
Hodgdon H414
<<locked>>
88%
58218
90%
**43
98%
Hodgdon H4350
<<locked>>
95%
57943
89%
**84
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
53679
83%
**15
94%
Hodgdon Hybrid 100V
<<locked>>
96%
58102
89%
**88
100%
Hodgdon LVR 👍
<<locked>>
91%
58305
90%
**40
99%
Hodgdon Superperformance
<<locked>>
90%
58001
89%
**47
98%
Hodgdon VARGET
<<locked>>
88%
57986
89%
**07
100%
Hodgdon TrailBoss
<<locked>>
96%
33924
52%
**52
100%
IMR 3031
<<locked>>
84%
58059
89%
**10
100%
IMR 4064
<<locked>>
88%
57957
89%
**01
100%
IMR 4166 Enduron
<<locked>>
89%
58421
90%
**88
98%
IMR 4350
<<locked>>
94%
58334
90%
**81
98%
IMR 4451 Enduron
<<locked>>
90%
58233
90%
**97
98%
IMR 4831
<<locked>>
97%
56478
87%
**91
100%
IMR 4895
<<locked>>
84%
58407
90%
**47
100%
[IMR 4955 Enduron]*
<<locked>>
97%
52489
81%
**63
94%
[IMR 7828 SSC]*
<<locked>>
97%
52228
80%
**58
94%
Lovex S060
<<locked>>
83%
58378
90%
**71
100%
Lovex S062
<<locked>>
86%
58407
90%
**97
100%
Lovex S065
<<locked>>
92%
58131
89%
**74
99%
Lovex S070
<<locked>>
93%
57827
89%
**91
98%
Lovex S071
<<locked>>
97%
40161
62%
**20
95%
Norma 201
<<locked>>
83%
57856
89%
**97
100%
Norma 203B
<<locked>>
85%
58001
89%
**30
100%
Norma 204
<<locked>>
93%
57943
89%
**17
97%
Norma MRP
<<locked>>
97%
53911
83%
**14
98%
Norma URP 👍
<<locked>>
93%
58160
90%
**47
100%
Ramshot Big Game
<<locked>>
84%
58262
90%
**24
100%
Ramshot Hunter
<<locked>>
93%
58117
89%
**37
99%
Ramshot Magnum
<<locked>>
97%
49501
76%
**43
96%
ReloadSwiss RS 14
<<locked>>
97%
34577
53%
**05
100%
ReloadSwiss RS 50
<<locked>>
86%
58102
89%
**88
99%
ReloadSwiss RS 52
<<locked>>
85%
58233
90%
**30
100%
ReloadSwiss RS 60
<<locked>>
90%
57914
89%
**02
100%
ReloadSwiss RS 62
<<locked>>
92%
57827
89%
**30
100%
ReloadSwiss RS 70
<<locked>>
93%
58247
90%
**86
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
40089
62%
**05
93%
Rottweil R 902
<<locked>>
85%
58392
90%
**91
100%
Rottweil R 903
<<locked>>
88%
57856
89%
**88
100%
Rottweil R 904
<<locked>>
97%
58204
90%
**81
96%
Rottweil R 905
<<locked>>
97%
55245
85%
**88
97%
Rottweil R 907
<<locked>>
91%
57957
89%
**78
98%
SNPE Vectan SP 11
<<locked>>
87%
58334
90%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
58291
90%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
58015
89%
**22
98%
Shooters World Long Rifle
<<locked>>
92%
58131
89%
**74
99%
Shooters World Precision
<<locked>>
86%
58407
90%
**97
100%
Somchem S355
<<locked>>
89%
58160
90%
**10
100%
Somchem S361
<<locked>>
95%
57856
89%
**15
95%
Somchem S365 👍
<<locked>>
95%
58233
90%
**37
100%
Somchem S385
<<locked>>
97%
56072
86%
**55
98%
Vihtavuori N133
<<locked>>
85%
58291
90%
**06
100%
Vihtavuori N135
<<locked>>
90%
57943
89%
**25
100%
Vihtavuori N140
<<locked>>
85%
58204
90%
**42
100%
Vihtavuori N150
<<locked>>
93%
57885
89%
**48
100%
Vihtavuori N160
<<locked>>
90%
57885
89%
**94
100%
Vihtavuori N165
<<locked>>
97%
46354
71%
**41
95%
Vihtavuori N540
<<locked>>
85%
58015
89%
**68
100%
Vihtavuori N550 👍
<<locked>>
90%
57827
89%
**37
100%
Vihtavuori N555
<<locked>>
97%
52156
80%
**35
100%
[Vihtavuori N560]*
<<locked>>
97%
50169
77%
**22
93%
Winchester 6.5 StaBALL
<<locked>>
91%
58001
89%
**42
100%
Winchester 760
<<locked>>
88%
58218
90%
**43
98%
Winchester StaBALL HD
<<locked>>
97%
42395
65%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46978
72%
**04
99%
[ADI AR 2209]*
<<locked>>
86%
38899
60%
**36
90%
[ADI AR 2213]*
<<locked>>
92%
43236
67%
**41
90%
[Accurate 2700]*
<<locked>>
81%
45208
70%
**79
94%
[Accurate 3100]*
<<locked>>
86%
31763
49%
**00
90%
Accurate 4064
<<locked>>
81%
48646
75%
**20
100%
Accurate 4350
<<locked>>
81%
36956
57%
**97
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
47210
73%
**20
100%
Alliant Reloder-15
<<locked>>
81%
50618
78%
**12
99%
Alliant Reloder-16
<<locked>>
81%
36347
56%
**23
95%
Alliant Reloder-17
<<locked>>
81%
42177
65%
**91
99%
[Alliant Reloder-19]*
<<locked>>
86%
38609
59%
**17
90%
[Alliant Reloder-22]*
<<locked>>
90%
38551
59%
**40
90%
[Alliant Reloder-23]*
<<locked>>
81%
26121
40%
**69
90%
[Alliant Reloder-25]*
<<locked>>
90%
31807
49%
**49
90%
[Alliant Reloder-26]*
<<locked>>
82%
30124
46%
**36
90%
Hodgdon CFE223
<<locked>>
81%
51024
79%
**19
99%
Hodgdon H380
<<locked>>
81%
48312
74%
**43
98%
Hodgdon H414
<<locked>>
81%
43714
67%
**61
95%
[Hodgdon H4350]*
<<locked>>
81%
35346
54%
**09
90%
[Hodgdon H4831 SC]*
<<locked>>
92%
43816
67%
**15
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33678
52%
**05
96%
Hodgdon LVR
<<locked>>
81%
40408
62%
**86
96%
[Hodgdon Superperformance]*
<<locked>>
81%
39450
61%
**63
92%
Hodgdon VARGET
<<locked>>
81%
46514
72%
**97
99%
Hodgdon TrailBoss
<<locked>>
81%
26861
41%
**78
100%
IMR 3031
<<locked>>
81%
51343
79%
**02
100%
IMR 4064
<<locked>>
81%
45716
70%
**81
99%
IMR 4166 Enduron
<<locked>>
81%
45078
69%
**38
95%
[IMR 4350]*
<<locked>>
81%
37246
57%
**58
91%
[IMR 4451 Enduron]*
<<locked>>
81%
43410
67%
**02
94%
[IMR 4831]*
<<locked>>
81%
32039
49%
**53
93%
IMR 4895
<<locked>>
81%
52025
80%
**38
100%
[IMR 4955 Enduron]*
<<locked>>
91%
43337
67%
**73
90%
[IMR 7828 SSC]*
<<locked>>
92%
43076
66%
**48
90%
Lovex S060
<<locked>>
81%
54230
83%
**09
100%
Lovex S062
<<locked>>
81%
49182
76%
**40
100%
Lovex S065
<<locked>>
81%
40350
62%
**36
95%
[Lovex S070]*
<<locked>>
81%
38435
59%
**91
93%
[Lovex S071]*
<<locked>>
90%
31241
48%
**84
90%
Norma 201
<<locked>>
81%
53766
83%
**19
100%
Norma 203B
<<locked>>
81%
49893
77%
**92
99%
[Norma 204]*
<<locked>>
82%
38841
60%
**23
90%
[Norma MRP]*
<<locked>>
86%
35157
54%
**77
90%
Norma URP
<<locked>>
81%
37173
57%
**10
95%
Ramshot Big Game
<<locked>>
81%
51329
79%
**02
100%
[Ramshot Hunter]*
<<locked>>
81%
36564
56%
**91
93%
[Ramshot Magnum]*
<<locked>>
90%
36419
56%
**45
90%
ReloadSwiss RS 14
<<locked>>
81%
27108
42%
**24
100%
ReloadSwiss RS 50
<<locked>>
81%
48559
75%
**10
97%
ReloadSwiss RS 52
<<locked>>
81%
50444
78%
**06
100%
ReloadSwiss RS 60
<<locked>>
81%
40814
63%
**74
99%
ReloadSwiss RS 62
<<locked>>
81%
37507
58%
**10
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
36767
57%
**20
94%
[ReloadSwiss RS 76]*
<<locked>>
94%
36201
56%
**87
90%
Rottweil R 902
<<locked>>
81%
50807
78%
**53
100%
Rottweil R 903
<<locked>>
81%
44237
68%
**45
99%
[Rottweil R 904]*
<<locked>>
88%
41872
64%
**50
90%
[Rottweil R 905]*
<<locked>>
87%
38290
59%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
41568
64%
**53
93%
SNPE Vectan SP 11
<<locked>>
81%
46528
72%
**27
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
45934
71%
**96
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
39755
61%
**61
93%
Shooters World Long Rifle
<<locked>>
81%
40350
62%
**36
95%
Shooters World Precision
<<locked>>
81%
49182
76%
**40
100%
Somchem S355
<<locked>>
81%
44904
69%
**64
99%
[Somchem S361]*
<<locked>>
88%
43540
67%
**36
90%
Somchem S365
<<locked>>
81%
33344
51%
**41
97%
[Somchem S385]*
<<locked>>
85%
35549
55%
**12
90%
Vihtavuori N133
<<locked>>
81%
51358
79%
**01
100%
Vihtavuori N135
<<locked>>
81%
42888
66%
**82
100%
Vihtavuori N140
<<locked>>
81%
51242
79%
**43
100%
Vihtavuori N150
<<locked>>
81%
37971
58%
**74
99%
Vihtavuori N160
<<locked>>
81%
40567
62%
**56
96%
[Vihtavuori N165]*
<<locked>>
90%
36564
56%
**09
90%
Vihtavuori N540
<<locked>>
81%
51169
79%
**50
100%
Vihtavuori N550
<<locked>>
81%
41263
63%
**99
96%
[Vihtavuori N555]*
<<locked>>
81%
28631
44%
**71
91%
[Vihtavuori N560]*
<<locked>>
93%
43918
68%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38812
60%
**84
98%
Winchester 760
<<locked>>
81%
43714
67%
**61
95%
[Winchester StaBALL HD]*
<<locked>>
84%
26063
40%
**12
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.

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

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