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Load data for .300 Rem. Ultra Mag + .308 | 152gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 152gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 152gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
308152CuSP
Bullet Weight:
152gr | 9.8g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.270" | 32.3mm
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:
0.576" | 14.6mm
Shank Seated Depth:
0.454" | 11.5mm
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_B11019_C374
Last updated:
2025-11-05
Recommended Twist Rate:
1:12 - 1:10

Load data for 128 loads in caliber .300 Rem. Ultra Mag with .308 | 152gr | Lehigh Defense Controlled Chaos bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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%
58465
90%
**10
99%
ADI AR 2213
<<locked>>
94%
58044
89%
**33
99%
ADI AR 2217
<<locked>>
97%
46151
71%
**04
97%
ADI AR 2225
<<locked>>
97%
41539
64%
**54
98%
Accurate 3100
<<locked>>
94%
57885
89%
**22
100%
Accurate 4350
<<locked>>
86%
58320
90%
**68
100%
Accurate MAGPRO
<<locked>>
94%
58117
89%
**23
97%
Alliant Reloder-16
<<locked>>
87%
57972
89%
**04
100%
Alliant Reloder-19 👍
<<locked>>
92%
58059
89%
**87
99%
Alliant Reloder-22
<<locked>>
94%
58160
89%
**23
99%
Alliant Reloder-23
<<locked>>
96%
58349
90%
**84
100%
Alliant Reloder-25 👍
<<locked>>
97%
52504
81%
**61
100%
Alliant Reloder-26
<<locked>>
91%
58030
89%
**53
100%
Hodgdon H1000
<<locked>>
97%
46151
71%
**04
97%
Hodgdon H4350
<<locked>>
89%
57972
89%
**35
100%
Hodgdon H4831
<<locked>>
97%
58204
90%
**68
98%
Hodgdon H4831 SC
<<locked>>
93%
58059
89%
**71
98%
Hodgdon Hybrid 100V
<<locked>>
89%
58073
89%
**25
100%
Hodgdon LVR
<<locked>>
85%
57899
89%
**68
100%
Hodgdon Retumbo
<<locked>>
97%
41539
64%
**54
98%
Hodgdon Superperformance
<<locked>>
84%
57841
89%
**07
100%
Hodgdon TrailBoss
<<locked>>
97%
35360
54%
**59
100%
IMR 4166 Enduron
<<locked>>
83%
58407
90%
**25
100%
IMR 4350
<<locked>>
88%
58320
90%
**45
100%
IMR 4451 Enduron
<<locked>>
84%
58073
89%
**35
100%
IMR 4831
<<locked>>
91%
58073
89%
**45
100%
IMR 4955 Enduron
<<locked>>
94%
58291
90%
**51
98%
IMR 7828 SSC
<<locked>>
93%
58465
90%
**40
99%
[IMR 8133 Enduron]*
<<locked>>
97%
37376
58%
**53
93%
Lovex S065
<<locked>>
86%
58247
90%
**28
100%
Lovex S070
<<locked>>
87%
58479
90%
**51
100%
Lovex S071
<<locked>>
97%
53258
82%
**59
100%
Norma 204
<<locked>>
87%
58204
90%
**81
99%
Norma 217
<<locked>>
97%
37449
58%
**76
96%
Norma MRP 👍
<<locked>>
92%
58218
90%
**53
100%
Norma URP
<<locked>>
87%
57986
89%
**68
100%
Ramshot Hunter
<<locked>>
87%
58276
90%
**91
100%
Ramshot Magnum
<<locked>>
94%
57682
89%
**84
100%
ReloadSwiss RS 14
<<locked>>
96%
35969
55%
**01
100%
ReloadSwiss RS 60
<<locked>>
83%
58015
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
86%
58262
90%
**84
100%
ReloadSwiss RS 70
<<locked>>
87%
58349
90%
**23
100%
ReloadSwiss RS 76
<<locked>>
97%
52576
81%
**14
100%
ReloadSwiss RS 80
<<locked>>
97%
47340
73%
**76
96%
Rottweil R 904
<<locked>>
91%
57885
89%
**45
99%
Rottweil R 905 👍
<<locked>>
92%
58175
90%
**91
99%
Rottweil R 907
<<locked>>
85%
57885
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
58175
90%
**86
100%
Shooters World Long Rifle
<<locked>>
86%
58247
90%
**28
100%
Somchem S361
<<locked>>
90%
57957
89%
**09
98%
Somchem S365
<<locked>>
88%
57827
89%
**61
100%
Somchem S385
<<locked>>
92%
58407
90%
**51
100%
Vihtavuori N135
<<locked>>
84%
58175
90%
**27
100%
Vihtavuori N150
<<locked>>
87%
58276
90%
**72
100%
Vihtavuori N160
<<locked>>
85%
58030
89%
**31
100%
Vihtavuori N165
<<locked>>
97%
58001
89%
**22
100%
Vihtavuori N550
<<locked>>
84%
58291
90%
**71
100%
Vihtavuori N555
<<locked>>
93%
58334
90%
**77
100%
Vihtavuori N560
<<locked>>
94%
58436
90%
**46
98%
Vihtavuori N565
<<locked>>
97%
55434
85%
**74
98%
Vihtavuori N568
<<locked>>
97%
48718
75%
**95
95%
[Vihtavuori N570]*
<<locked>>
97%
46412
71%
**76
92%
Winchester 6.5 StaBALL
<<locked>>
86%
58262
90%
**89
100%
Winchester StaBALL HD
<<locked>>
96%
58102
89%
**73
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40756
63%
**85
96%
[ADI AR 2213]*
<<locked>>
81%
36347
56%
**94
92%
[ADI AR 2217]*
<<locked>>
87%
33185
51%
**95
90%
[ADI AR 2225]*
<<locked>>
85%
27731
43%
**70
90%
Accurate 3100
<<locked>>
81%
36593
56%
**51
97%
Accurate 4350
<<locked>>
81%
48979
75%
**17
100%
[Accurate MAGPRO]*
<<locked>>
82%
37318
57%
**26
90%
Alliant Reloder-16
<<locked>>
81%
46644
72%
**30
100%
Alliant Reloder-19
<<locked>>
81%
40756
63%
**72
96%
[Alliant Reloder-22]*
<<locked>>
81%
36506
56%
**10
94%
Alliant Reloder-23
<<locked>>
81%
35085
54%
**77
99%
Alliant Reloder-25
<<locked>>
81%
30472
47%
**69
95%
Alliant Reloder-26
<<locked>>
81%
39001
60%
**25
99%
[Hodgdon H1000]*
<<locked>>
87%
33185
51%
**95
90%
Hodgdon H4350
<<locked>>
81%
44280
68%
**12
98%
[Hodgdon H4831]*
<<locked>>
81%
34171
53%
**98
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38116
59%
**94
92%
Hodgdon Hybrid 100V
<<locked>>
81%
44106
68%
**08
100%
Hodgdon LVR
<<locked>>
81%
51329
79%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27731
43%
**70
90%
Hodgdon Superperformance
<<locked>>
81%
51068
79%
**99
99%
Hodgdon TrailBoss
<<locked>>
81%
28137
43%
**01
100%
IMR 4166 Enduron
<<locked>>
81%
54215
83%
**59
100%
IMR 4350
<<locked>>
81%
46528
72%
**44
98%
IMR 4451 Enduron
<<locked>>
81%
52794
81%
**53
99%
IMR 4831
<<locked>>
81%
42047
65%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38377
59%
**71
93%
[IMR 7828 SSC]*
<<locked>>
81%
37347
57%
**36
93%
[IMR 8133 Enduron]*
<<locked>>
92%
32213
50%
**21
90%
Lovex S065
<<locked>>
81%
50169
77%
**94
100%
Lovex S070
<<locked>>
81%
48631
75%
**94
99%
Lovex S071
<<locked>>
81%
31256
48%
**16
95%
Norma 204
<<locked>>
81%
47007
72%
**90
97%
[Norma 217]*
<<locked>>
88%
28036
43%
**07
90%
Norma MRP
<<locked>>
81%
38276
59%
**85
97%
Norma URP
<<locked>>
81%
47935
74%
**07
100%
Ramshot Hunter
<<locked>>
81%
46949
72%
**97
99%
[Ramshot Magnum]*
<<locked>>
81%
34084
52%
**35
94%
ReloadSwiss RS 14
<<locked>>
81%
28732
44%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
52620
81%
**38
100%
ReloadSwiss RS 62
<<locked>>
81%
49255
76%
**40
100%
ReloadSwiss RS 70
<<locked>>
81%
47398
73%
**53
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29066
45%
**43
91%
[ReloadSwiss RS 80]*
<<locked>>
89%
35027
54%
**94
90%
Rottweil R 904
<<locked>>
81%
42018
65%
**62
95%
Rottweil R 905
<<locked>>
81%
40059
62%
**66
96%
Rottweil R 907
<<locked>>
81%
51343
79%
**33
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49342
76%
**41
99%
Shooters World Long Rifle
<<locked>>
81%
50169
77%
**94
100%
[Somchem S361]*
<<locked>>
81%
43076
66%
**40
94%
Somchem S365
<<locked>>
81%
44788
69%
**61
100%
Somchem S385
<<locked>>
81%
40683
63%
**40
97%
Vihtavuori N135
<<locked>>
81%
53766
83%
**67
100%
Vihtavuori N150
<<locked>>
81%
47834
74%
**22
100%
Vihtavuori N160
<<locked>>
81%
51445
79%
**33
100%
[Vihtavuori N165]*
<<locked>>
81%
34345
53%
**85
94%
Vihtavuori N550
<<locked>>
81%
52286
80%
**79
100%
Vihtavuori N555
<<locked>>
81%
39291
60%
**62
99%
[Vihtavuori N560]*
<<locked>>
81%
36680
56%
**23
92%
[Vihtavuori N565]*
<<locked>>
82%
32895
51%
**08
90%
[Vihtavuori N568]*
<<locked>>
89%
36695
56%
**33
90%
[Vihtavuori N570]*
<<locked>>
94%
42003
65%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49095
76%
**54
100%
Winchester StaBALL HD
<<locked>>
81%
31096
48%
**90
100%

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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