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Load data for .300 Rem. Ultra Mag + .308 | 85gr | Lehigh Defense Xtreme Cavitator

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 70, Somchem S365, Vihtavuori N550

.300 Rem. Ultra Mag + .308 | 85gr | Lehigh Defense Xtreme Cavitator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 85gr | Lehigh Defense Xtreme Cavitator
Manufacturer SKU:
12308085SP
Bullet Weight:
85gr | 5.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.690" | 17.5mm
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:
-0.004" | -0.1mm
Shank Seated Depth:
-0.004" | -0.1mm
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_B12024_C374
Last updated:
2025-12-21

Load data for 168 loads in caliber .300 Rem. Ultra Mag with .308 | 85gr | Lehigh Defense Xtreme Cavitator bullet and 84 powders such as Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 70, 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>>
88%
58218
90%
**65
99%
ADI AR 2209
<<locked>>
97%
55521
85%
**29
95%
Accurate 2700
<<locked>>
88%
58073
89%
**56
97%
Accurate 3100
<<locked>>
97%
48704
75%
**45
96%
Accurate 4064
<<locked>>
86%
58189
90%
**52
100%
Accurate 4350
<<locked>>
93%
57812
89%
**81
99%
Alliant Reloder- TS 15.5
<<locked>>
88%
58392
90%
**81
100%
Alliant Reloder-15
<<locked>>
86%
58276
90%
**07
100%
Alliant Reloder-16 👍
<<locked>>
95%
58073
89%
**40
100%
Alliant Reloder-17 👍
<<locked>>
90%
57899
89%
**37
100%
Alliant Reloder-19
<<locked>>
97%
54708
84%
**06
95%
[Alliant Reloder-22]*
<<locked>>
97%
48907
75%
**30
93%
Alliant Reloder-23
<<locked>>
97%
45788
70%
**81
99%
[Alliant Reloder-25]*
<<locked>>
97%
40277
62%
**27
94%
Alliant Reloder-26
<<locked>>
97%
53708
83%
**88
99%
Bofors RP3
<<locked>>
87%
58378
90%
**68
100%
[Bofors RP5]*
<<locked>>
97%
48907
75%
**30
93%
Bofors RP7
<<locked>>
91%
57870
89%
**25
97%
Hodgdon CFE223
<<locked>>
85%
58349
90%
**84
99%
Hodgdon H380
<<locked>>
87%
58088
89%
**65
99%
Hodgdon H414
<<locked>>
89%
58131
89%
**98
97%
Hodgdon H4350
<<locked>>
96%
58334
90%
**29
97%
Hodgdon Hybrid 100V
<<locked>>
97%
58465
90%
**48
100%
Hodgdon LVR
<<locked>>
92%
58421
90%
**07
99%
Hodgdon Superperformance
<<locked>>
91%
57856
89%
**94
97%
Hodgdon VARGET
<<locked>>
88%
58218
90%
**65
99%
Hodgdon TrailBoss
<<locked>>
96%
33852
52%
**16
100%
IMR 3031
<<locked>>
85%
58378
90%
**98
100%
IMR 4064
<<locked>>
89%
58291
90%
**61
100%
IMR 4166 Enduron
<<locked>>
89%
58276
90%
**32
97%
IMR 4350
<<locked>>
94%
58450
90%
**35
97%
IMR 4451 Enduron
<<locked>>
90%
58378
90%
**52
97%
IMR 4831
<<locked>>
97%
55317
85%
**15
99%
IMR 4895
<<locked>>
85%
58030
89%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
97%
51300
79%
**81
92%
Lovex S060
<<locked>>
84%
58175
90%
**32
100%
Lovex S062
<<locked>>
87%
58349
90%
**65
100%
Lovex S065
<<locked>>
92%
58349
90%
**38
98%
Lovex S070
<<locked>>
93%
58407
90%
**45
98%
[Lovex S071]*
<<locked>>
97%
40045
62%
**45
93%
Norma 201
<<locked>>
84%
58276
90%
**61
100%
Norma 202
<<locked>>
83%
58363
90%
**55
100%
Norma 203B
<<locked>>
86%
57972
89%
**98
100%
Norma 204
<<locked>>
94%
58305
90%
**58
96%
Norma MRP
<<locked>>
97%
52359
81%
**32
96%
Norma URP
<<locked>>
94%
58291
90%
**94
99%
Ramshot Big Game
<<locked>>
85%
58349
90%
**78
100%
[Ramshot Grand]*
<<locked>>
97%
54984
85%
**35
94%
Ramshot Hunter
<<locked>>
94%
58305
90%
**81
98%
[Ramshot Magnum]*
<<locked>>
97%
48269
74%
**42
94%
ReloadSwiss RS 14
<<locked>>
97%
34505
53%
**72
100%
ReloadSwiss RS 50
<<locked>>
86%
58030
89%
**35
98%
ReloadSwiss RS 60
<<locked>>
88%
58479
90%
**76
100%
ReloadSwiss RS 62
<<locked>>
93%
57769
89%
**88
99%
ReloadSwiss RS 70 👍
<<locked>>
93%
57798
89%
**27
99%
Rottweil R 902
<<locked>>
85%
58131
89%
**42
100%
Rottweil R 903
<<locked>>
89%
58233
90%
**65
100%
[Rottweil R 904]*
<<locked>>
97%
57246
88%
**02
94%
Rottweil R 905
<<locked>>
97%
54157
83%
**02
95%
Rottweil R 907
<<locked>>
91%
57870
89%
**25
97%
SNPE Vectan SP 11
<<locked>>
88%
58320
90%
**94
100%
SNPE Vectan SP 9
<<locked>>
84%
58131
89%
**58
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
58436
90%
**06
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
58146
89%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
58059
89%
**66
97%
Shooters World Long Rifle
<<locked>>
92%
58349
90%
**38
98%
Shooters World Precision
<<locked>>
87%
58349
90%
**65
100%
Somchem S335
<<locked>>
83%
58247
90%
**79
100%
Somchem S355
<<locked>>
89%
57914
89%
**65
100%
[Somchem S361]*
<<locked>>
96%
58479
90%
**50
94%
Somchem S365 👍
<<locked>>
96%
58131
89%
**07
100%
Somchem S385
<<locked>>
97%
55201
85%
**76
96%
Vihtavuori N133
<<locked>>
86%
58218
90%
**70
100%
Vihtavuori N135
<<locked>>
91%
58015
89%
**02
100%
Vihtavuori N140
<<locked>>
85%
58001
89%
**09
100%
Vihtavuori N150
<<locked>>
94%
58291
90%
**09
100%
Vihtavuori N160
<<locked>>
91%
57928
89%
**38
99%
[Vihtavuori N165]*
<<locked>>
97%
45585
70%
**56
93%
Vihtavuori N540
<<locked>>
85%
58146
89%
**25
100%
Vihtavuori N550 👍
<<locked>>
91%
58204
90%
**91
99%
Vihtavuori N555
<<locked>>
97%
51097
79%
**76
99%
Winchester 6.5 StaBALL
<<locked>>
92%
58421
90%
**96
100%
Winchester 760
<<locked>>
89%
58131
89%
**98
97%
Winchester StaBALL HD
<<locked>>
97%
40596
62%
**88
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46137
71%
**38
97%
[ADI AR 2209]*
<<locked>>
89%
42670
66%
**56
90%
[Accurate 2700]*
<<locked>>
81%
44715
69%
**07
93%
[Accurate 3100]*
<<locked>>
87%
34171
53%
**97
90%
Accurate 4064
<<locked>>
81%
48704
75%
**94
100%
[Accurate 4350]*
<<locked>>
81%
36970
57%
**45
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
46514
72%
**61
99%
Alliant Reloder-15
<<locked>>
81%
49850
77%
**56
98%
[Alliant Reloder-16]*
<<locked>>
81%
36042
55%
**48
93%
Alliant Reloder-17
<<locked>>
81%
41394
64%
**22
98%
[Alliant Reloder-19]*
<<locked>>
89%
41800
64%
**40
90%
[Alliant Reloder-22]*
<<locked>>
92%
41220
63%
**50
90%
[Alliant Reloder-23]*
<<locked>>
83%
28007
43%
**69
90%
[Alliant Reloder-25]*
<<locked>>
93%
34766
54%
**59
90%
[Alliant Reloder-26]*
<<locked>>
84%
32619
50%
**50
90%
Bofors RP3
<<locked>>
81%
47239
73%
**78
99%
[Bofors RP5]*
<<locked>>
92%
41220
63%
**50
90%
[Bofors RP7]*
<<locked>>
81%
41249
63%
**94
91%
Hodgdon CFE223
<<locked>>
81%
49937
77%
**47
98%
Hodgdon H380
<<locked>>
81%
47819
74%
**71
97%
[Hodgdon H414]*
<<locked>>
81%
43004
66%
**86
93%
[Hodgdon H4350]*
<<locked>>
84%
39189
60%
**28
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
33315
51%
**27
94%
[Hodgdon LVR]*
<<locked>>
81%
39943
61%
**27
94%
[Hodgdon Superperformance]*
<<locked>>
81%
39059
60%
**87
90%
Hodgdon VARGET
<<locked>>
81%
45730
70%
**32
97%
Hodgdon TrailBoss
<<locked>>
81%
27006
42%
**36
100%
IMR 3031
<<locked>>
81%
50256
77%
**63
100%
IMR 4064
<<locked>>
81%
44962
69%
**19
97%
[IMR 4166 Enduron]*
<<locked>>
81%
44454
68%
**69
93%
[IMR 4350]*
<<locked>>
83%
38783
60%
**22
90%
[IMR 4451 Enduron]*
<<locked>>
81%
42728
66%
**27
92%
[IMR 4831]*
<<locked>>
81%
31995
49%
**71
91%
IMR 4895
<<locked>>
81%
51242
79%
**86
99%
[IMR 4955 Enduron]*
<<locked>>
94%
47384
73%
**89
90%
Lovex S060
<<locked>>
81%
53200
82%
**47
99%
Lovex S062
<<locked>>
81%
48588
75%
**91
99%
[Lovex S065]*
<<locked>>
81%
40176
62%
**64
93%
[Lovex S070]*
<<locked>>
81%
38305
59%
**22
91%
[Lovex S071]*
<<locked>>
92%
34171
53%
**97
90%
Norma 201
<<locked>>
81%
53113
82%
**70
100%
Norma 202
<<locked>>
81%
53751
83%
**86
100%
Norma 203B
<<locked>>
81%
49371
76%
**27
99%
[Norma 204]*
<<locked>>
85%
42757
66%
**40
90%
[Norma MRP]*
<<locked>>
89%
38247
59%
**84
90%
[Norma URP]*
<<locked>>
81%
36840
57%
**41
93%
Ramshot Big Game
<<locked>>
81%
50212
77%
**50
99%
[Ramshot Grand]*
<<locked>>
92%
46021
71%
**45
90%
[Ramshot Hunter]*
<<locked>>
81%
35969
55%
**09
91%
[Ramshot Magnum]*
<<locked>>
92%
39566
61%
**48
90%
ReloadSwiss RS 14
<<locked>>
81%
27253
42%
**82
100%
ReloadSwiss RS 50
<<locked>>
81%
47906
74%
**42
95%
ReloadSwiss RS 60
<<locked>>
81%
44135
68%
**04
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
37028
57%
**48
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
36347
56%
**38
92%
Rottweil R 902
<<locked>>
81%
50343
77%
**07
100%
Rottweil R 903
<<locked>>
81%
43961
68%
**06
98%
[Rottweil R 904]*
<<locked>>
90%
45585
70%
**79
90%
[Rottweil R 905]*
<<locked>>
90%
41510
64%
**27
90%
[Rottweil R 907]*
<<locked>>
81%
41249
63%
**94
91%
SNPE Vectan SP 11
<<locked>>
81%
45585
70%
**51
98%
SNPE Vectan SP 9
<<locked>>
81%
53055
82%
**86
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
53737
83%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45223
70%
**33
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
39523
61%
**86
92%
[Shooters World Long Rifle]*
<<locked>>
81%
40176
62%
**64
93%
Shooters World Precision
<<locked>>
81%
48588
75%
**91
99%
Somchem S335
<<locked>>
81%
53766
83%
**14
100%
Somchem S355
<<locked>>
81%
44425
68%
**12
98%
[Somchem S361]*
<<locked>>
90%
47369
73%
**50
90%
Somchem S365
<<locked>>
81%
33170
51%
**79
96%
[Somchem S385]*
<<locked>>
87%
38421
59%
**22
90%
Vihtavuori N133
<<locked>>
81%
50502
78%
**61
100%
Vihtavuori N135
<<locked>>
81%
42453
65%
**33
100%
Vihtavuori N140
<<locked>>
81%
50270
77%
**88
100%
Vihtavuori N150
<<locked>>
81%
37739
58%
**12
98%
Vihtavuori N160
<<locked>>
81%
40030
62%
**74
95%
[Vihtavuori N165]*
<<locked>>
93%
39682
61%
**15
90%
Vihtavuori N540
<<locked>>
81%
50473
78%
**04
100%
Vihtavuori N550
<<locked>>
81%
40857
63%
**40
95%
[Vihtavuori N555]*
<<locked>>
82%
29834
46%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38232
59%
**02
97%
[Winchester 760]*
<<locked>>
81%
43004
66%
**86
93%
[Winchester StaBALL HD]*
<<locked>>
87%
28718
44%
**22
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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