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Load data for .300 Rem. Ultra Mag + .308 | 100gr | Lapua OT Cutting Edge

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 70, Somchem S365

.300 Rem. Ultra Mag + .308 | 100gr | Lapua OT Cutting Edge

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 100gr | Lapua OT Cutting Edge
Manufacturer SKU:
4PL7224 | G477
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.912" | 23.2mm
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:
0.218" | 5.5mm
Shank Seated Depth:
0.218" | 5.5mm
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_B3139_C374
Last updated:
2025-01-01

Load data for 160 loads in caliber .300 Rem. Ultra Mag with .308 | 100gr | Lapua OT Cutting Edge bullet and 80 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 70, Somchem S365. 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%
57928
89%
**97
100%
ADI AR 2209
<<locked>>
97%
58030
89%
**33
97%
[ADI AR 2213]*
<<locked>>
97%
52112
80%
**28
94%
Accurate 2700
<<locked>>
87%
57914
89%
**12
97%
Accurate 3100
<<locked>>
97%
51314
79%
**43
98%
Accurate 4064
<<locked>>
85%
58001
89%
**61
100%
Accurate 4350 👍
<<locked>>
92%
58392
90%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
58233
90%
**17
100%
Alliant Reloder-15
<<locked>>
84%
58030
89%
**40
100%
Alliant Reloder-16 👍
<<locked>>
94%
58465
90%
**93
100%
Alliant Reloder-17
<<locked>>
89%
58450
90%
**86
100%
Alliant Reloder-19
<<locked>>
97%
57261
88%
**10
97%
Alliant Reloder-22
<<locked>>
97%
51184
79%
**35
95%
Alliant Reloder-23
<<locked>>
97%
48109
74%
**83
100%
Alliant Reloder-25
<<locked>>
97%
42264
65%
**58
96%
Alliant Reloder-26
<<locked>>
97%
56724
87%
**86
100%
Hodgdon CFE223
<<locked>>
84%
58131
89%
**30
100%
Hodgdon H380
<<locked>>
85%
57943
89%
**04
99%
Hodgdon H414
<<locked>>
88%
57986
89%
**47
98%
Hodgdon H4350
<<locked>>
95%
58160
90%
**88
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
54708
84%
**22
94%
Hodgdon Hybrid 100V
<<locked>>
95%
58349
90%
**91
100%
Hodgdon LVR
<<locked>>
90%
58218
90%
**30
99%
Hodgdon Superperformance
<<locked>>
90%
58378
90%
**43
98%
Hodgdon VARGET
<<locked>>
87%
57928
89%
**97
100%
Hodgdon TrailBoss
<<locked>>
97%
34447
53%
**56
100%
IMR 3031
<<locked>>
84%
58334
90%
**10
100%
IMR 4064
<<locked>>
87%
57841
89%
**88
100%
IMR 4166 Enduron
<<locked>>
88%
58392
90%
**78
98%
IMR 4350
<<locked>>
93%
58262
90%
**91
98%
IMR 4451 Enduron
<<locked>>
89%
58131
89%
**88
98%
IMR 4831
<<locked>>
97%
57566
89%
**91
100%
IMR 4895
<<locked>>
84%
58392
90%
**50
100%
[IMR 4955 Enduron]*
<<locked>>
97%
53359
82%
**76
94%
[IMR 7828 SSC]*
<<locked>>
97%
54027
83%
**81
94%
Lovex S062
<<locked>>
85%
58146
89%
**88
100%
Lovex S065
<<locked>>
91%
58479
90%
**78
99%
Lovex S070
<<locked>>
92%
58088
89%
**88
98%
Lovex S071
<<locked>>
97%
42235
65%
**59
95%
Norma 203B
<<locked>>
84%
58073
89%
**20
100%
Norma 204
<<locked>>
92%
58392
90%
**10
97%
Norma MRP
<<locked>>
97%
55013
85%
**27
98%
Norma URP 👍
<<locked>>
93%
58218
90%
**43
100%
Ramshot Big Game
<<locked>>
84%
58363
90%
**24
100%
Ramshot Hunter
<<locked>>
93%
58421
90%
**30
99%
Ramshot Magnum
<<locked>>
97%
50792
78%
**79
96%
ReloadSwiss RS 14
<<locked>>
96%
34766
53%
**98
100%
ReloadSwiss RS 50
<<locked>>
86%
58421
90%
**88
99%
ReloadSwiss RS 52
<<locked>>
84%
57798
89%
**24
100%
ReloadSwiss RS 60
<<locked>>
90%
58102
89%
**12
100%
ReloadSwiss RS 62
<<locked>>
91%
57798
89%
**20
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57885
89%
**73
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
41524
64%
**41
94%
Rottweil R 902
<<locked>>
84%
57856
89%
**81
100%
Rottweil R 903
<<locked>>
88%
58146
89%
**01
100%
Rottweil R 904
<<locked>>
96%
58363
90%
**84
96%
Rottweil R 905
<<locked>>
97%
56782
87%
**10
97%
Rottweil R 907
<<locked>>
90%
57870
89%
**81
98%
SNPE Vectan SP 11
<<locked>>
86%
58059
89%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57928
89%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
58407
90%
**19
98%
Shooters World Long Rifle
<<locked>>
91%
58479
90%
**78
99%
Shooters World Precision
<<locked>>
85%
58146
89%
**88
100%
Somchem S355
<<locked>>
88%
58044
89%
**91
100%
Somchem S361
<<locked>>
95%
57957
89%
**09
95%
Somchem S365 👍
<<locked>>
95%
58363
90%
**40
100%
Somchem S385
<<locked>>
97%
57493
88%
**68
98%
Vihtavuori N133
<<locked>>
84%
58334
90%
**99
100%
Vihtavuori N135
<<locked>>
89%
57783
89%
**22
100%
Vihtavuori N140
<<locked>>
84%
58305
90%
**35
100%
Vihtavuori N150
<<locked>>
93%
58378
90%
**58
100%
Vihtavuori N160
<<locked>>
90%
58131
89%
**81
100%
Vihtavuori N165
<<locked>>
97%
47834
74%
**71
95%
Vihtavuori N540
<<locked>>
84%
58262
90%
**65
100%
Vihtavuori N550
<<locked>>
90%
58363
90%
**30
100%
Vihtavuori N555
<<locked>>
97%
53708
83%
**74
100%
[Vihtavuori N560]*
<<locked>>
97%
51430
79%
**42
93%
Winchester 6.5 StaBALL
<<locked>>
91%
57986
89%
**42
100%
Winchester 760
<<locked>>
88%
57986
89%
**47
98%
Winchester StaBALL HD
<<locked>>
97%
44005
68%
**19
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48051
74%
**27
99%
[ADI AR 2209]*
<<locked>>
86%
39624
61%
**43
90%
[ADI AR 2213]*
<<locked>>
92%
43700
67%
**51
90%
Accurate 2700
<<locked>>
81%
46659
72%
**02
95%
[Accurate 3100]*
<<locked>>
84%
31995
49%
**10
90%
Accurate 4064
<<locked>>
81%
51068
79%
**63
100%
Accurate 4350
<<locked>>
81%
39291
60%
**63
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
48689
75%
**53
100%
Alliant Reloder-15
<<locked>>
81%
52243
80%
**38
99%
Alliant Reloder-16
<<locked>>
81%
37840
58%
**69
96%
Alliant Reloder-17
<<locked>>
81%
43714
67%
**27
99%
[Alliant Reloder-19]*
<<locked>>
85%
38551
59%
**20
90%
[Alliant Reloder-22]*
<<locked>>
89%
38638
59%
**50
90%
[Alliant Reloder-23]*
<<locked>>
81%
27833
43%
**44
92%
[Alliant Reloder-25]*
<<locked>>
89%
31981
49%
**66
90%
[Alliant Reloder-26]*
<<locked>>
81%
30269
47%
**46
90%
Hodgdon CFE223
<<locked>>
81%
52344
81%
**38
99%
Hodgdon H380
<<locked>>
81%
49922
77%
**69
98%
Hodgdon H414
<<locked>>
81%
45237
70%
**94
95%
[Hodgdon H4350]*
<<locked>>
81%
36622
56%
**35
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
45020
69%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35114
54%
**41
96%
Hodgdon LVR
<<locked>>
81%
41901
64%
**22
96%
[Hodgdon Superperformance]*
<<locked>>
81%
41031
63%
**09
93%
Hodgdon VARGET
<<locked>>
81%
47587
73%
**17
99%
Hodgdon TrailBoss
<<locked>>
81%
27296
42%
**72
100%
IMR 3031
<<locked>>
81%
52794
81%
**35
100%
IMR 4064
<<locked>>
81%
46949
72%
**91
99%
IMR 4166 Enduron
<<locked>>
81%
46122
71%
**58
95%
[IMR 4350]*
<<locked>>
81%
38725
60%
**94
92%
IMR 4451 Enduron
<<locked>>
81%
44585
69%
**32
95%
[IMR 4831]*
<<locked>>
81%
33707
52%
**86
93%
IMR 4895
<<locked>>
81%
53693
83%
**68
100%
[IMR 4955 Enduron]*
<<locked>>
91%
43830
67%
**79
90%
[IMR 7828 SSC]*
<<locked>>
91%
43787
67%
**55
90%
Lovex S062
<<locked>>
81%
50676
78%
**73
100%
Lovex S065
<<locked>>
81%
41989
65%
**69
95%
[Lovex S070]*
<<locked>>
81%
40205
62%
**23
93%
[Lovex S071]*
<<locked>>
89%
31662
49%
**87
90%
Norma 203B
<<locked>>
81%
51764
80%
**25
100%
[Norma 204]*
<<locked>>
82%
39334
61%
**30
90%
[Norma MRP]*
<<locked>>
85%
35288
54%
**87
90%
Norma URP
<<locked>>
81%
38899
60%
**46
96%
Ramshot Big Game
<<locked>>
81%
52533
81%
**35
100%
[Ramshot Hunter]*
<<locked>>
81%
37927
58%
**27
93%
[Ramshot Magnum]*
<<locked>>
89%
37260
57%
**58
90%
ReloadSwiss RS 14
<<locked>>
81%
27644
43%
**18
100%
ReloadSwiss RS 50
<<locked>>
81%
50038
77%
**33
97%
ReloadSwiss RS 52
<<locked>>
81%
51938
80%
**25
100%
ReloadSwiss RS 60
<<locked>>
81%
42119
65%
**04
99%
ReloadSwiss RS 62
<<locked>>
81%
39305
60%
**66
96%
ReloadSwiss RS 70
<<locked>>
81%
38247
59%
**63
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
36883
57%
**04
90%
Rottweil R 902
<<locked>>
81%
52750
81%
**99
100%
Rottweil R 903
<<locked>>
81%
46253
71%
**91
99%
[Rottweil R 904]*
<<locked>>
87%
41887
64%
**63
90%
[Rottweil R 905]*
<<locked>>
86%
38377
59%
**20
90%
[Rottweil R 907]*
<<locked>>
81%
43091
66%
**86
93%
SNPE Vectan SP 11
<<locked>>
81%
47877
74%
**46
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
47297
73%
**12
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
41466
64%
**04
94%
Shooters World Long Rifle
<<locked>>
81%
41989
65%
**69
95%
Shooters World Precision
<<locked>>
81%
50676
78%
**73
100%
Somchem S355
<<locked>>
81%
46470
72%
**91
99%
[Somchem S361]*
<<locked>>
87%
43772
67%
**43
90%
Somchem S365
<<locked>>
81%
35259
54%
**97
98%
[Somchem S385]*
<<locked>>
83%
35708
55%
**15
90%
Vihtavuori N133
<<locked>>
81%
52475
81%
**17
100%
Vihtavuori N135
<<locked>>
81%
44541
69%
**09
100%
Vihtavuori N140
<<locked>>
81%
52446
81%
**50
100%
Vihtavuori N150
<<locked>>
81%
39682
61%
**14
99%
Vihtavuori N160
<<locked>>
81%
42018
65%
**86
97%
[Vihtavuori N165]*
<<locked>>
89%
36318
56%
**09
90%
Vihtavuori N540
<<locked>>
81%
52591
81%
**79
100%
Vihtavuori N550
<<locked>>
81%
42844
66%
**35
97%
[Vihtavuori N555]*
<<locked>>
81%
30560
47%
**36
92%
[Vihtavuori N560]*
<<locked>>
92%
44063
68%
**87
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39958
62%
**17
99%
Winchester 760
<<locked>>
81%
45237
70%
**94
95%
[Winchester StaBALL HD]*
<<locked>>
83%
26397
41%
**25
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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