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Load data for .300 Rem. SA Ultra Mag + .308 | 140gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.300 Rem. SA Ultra Mag + .308 | 140gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
308140SP
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.085" | 27.6mm
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.305" | 7.8mm
Shank Seated Depth:
0.223" | 5.7mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B11018_C373
Last updated:
2025-11-10
Recommended Twist Rate:
1:15 - 1:12

Load data for 194 loads in caliber .300 Rem. SA Ultra Mag with .308 | 140gr | Lehigh Defense Controlled Chaos bullet and 97 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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 2206H
<<locked>>
91%
57464
90%
**27
100%
ADI AR 2208
<<locked>>
96%
57145
89%
**04
99%
Accurate 2015
<<locked>>
87%
57493
90%
**22
100%
Accurate 2200
<<locked>>
89%
56985
89%
**84
99%
Accurate 2230
<<locked>>
85%
57072
89%
**71
100%
Accurate 2460
<<locked>>
85%
57072
89%
**74
100%
Accurate 2495
<<locked>>
90%
57682
90%
**00
100%
Accurate 2520
<<locked>>
89%
57072
89%
**14
100%
Accurate 2700
<<locked>>
96%
57072
89%
**25
95%
Accurate 4064
<<locked>>
96%
57377
89%
**17
100%
Accurate 4350
<<locked>>
97%
44657
70%
**59
96%
Alliant AR-Comp
<<locked>>
89%
57261
89%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
57101
89%
**36
100%
Alliant Reloder-10x
<<locked>>
85%
57609
90%
**41
100%
Alliant Reloder-15 👍
<<locked>>
94%
56768
89%
**40
99%
Alliant Reloder-16
<<locked>>
97%
44150
69%
**72
96%
Alliant Reloder-17
<<locked>>
97%
51793
81%
**50
99%
[Alliant Reloder-23]*
<<locked>>
97%
31459
49%
**67
93%
Baschieri & Pellagri 106
<<locked>>
83%
57653
90%
**79
100%
Baschieri & Pellagri 107
<<locked>>
91%
56884
89%
**36
99%
Hodgdon BL-C2
<<locked>>
89%
57305
89%
**46
100%
Hodgdon Benchmark
<<locked>>
88%
57261
89%
**51
100%
Hodgdon CFE223
<<locked>>
94%
57000
89%
**79
99%
Hodgdon H322
<<locked>>
88%
57682
90%
**87
100%
Hodgdon H380
<<locked>>
95%
57348
89%
**33
98%
Hodgdon H414
<<locked>>
97%
53258
83%
**10
96%
[Hodgdon H4350]*
<<locked>>
97%
43004
67%
**44
91%
Hodgdon Hybrid 100V
<<locked>>
97%
40828
64%
**54
97%
Hodgdon LVR
<<locked>>
97%
49211
77%
**31
97%
[Hodgdon Superperformance]*
<<locked>>
97%
49588
77%
**48
94%
Hodgdon VARGET
<<locked>>
97%
57595
90%
**07
99%
Hodgdon TrailBoss
<<locked>>
97%
33417
52%
**64
100%
IMR 3031
<<locked>>
94%
56797
89%
**17
100%
IMR 4064
<<locked>>
97%
57014
89%
**94
99%
IMR 4166 Enduron
<<locked>>
97%
56898
89%
**61
96%
IMR 4198
<<locked>>
84%
57246
89%
**89
100%
[IMR 4350]*
<<locked>>
97%
45876
72%
**07
93%
IMR 4451 Enduron
<<locked>>
97%
54244
85%
**41
96%
IMR 4831
<<locked>>
97%
38377
60%
**08
95%
IMR 4895 👍
<<locked>>
93%
57537
90%
**66
100%
IMR 8208 XBR
<<locked>>
89%
57508
90%
**00
100%
Lovex D073.4
<<locked>>
83%
56536
88%
**58
100%
Lovex D073.5
<<locked>>
85%
57348
89%
**77
100%
Lovex D073.6
<<locked>>
91%
57072
89%
**14
100%
Lovex S060
<<locked>>
91%
56898
89%
**51
99%
Lovex S062
<<locked>>
95%
57072
89%
**94
100%
Lovex S065
<<locked>>
97%
49632
77%
**66
96%
[Lovex S070]*
<<locked>>
97%
47268
74%
**40
94%
Norma 201
<<locked>>
92%
57522
90%
**91
100%
Norma 202
<<locked>>
91%
57479
90%
**91
100%
Norma 203B 👍
<<locked>>
94%
57000
89%
**40
100%
Norma URP
<<locked>>
97%
44817
70%
**66
96%
Ramshot Big Game 👍
<<locked>>
94%
57609
90%
**66
99%
[Ramshot Hunter]*
<<locked>>
97%
44164
69%
**46
94%
Ramshot TAC
<<locked>>
89%
57130
89%
**94
98%
Ramshot Wild Boar
<<locked>>
89%
57000
89%
**27
99%
Ramshot X-Terminator
<<locked>>
86%
57130
89%
**77
99%
ReloadSwiss RS 14
<<locked>>
97%
33895
53%
**09
100%
ReloadSwiss RS 40
<<locked>>
85%
57101
89%
**84
100%
ReloadSwiss RS 50
<<locked>>
95%
57319
89%
**97
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
57566
90%
**79
100%
ReloadSwiss RS 60
<<locked>>
97%
50154
78%
**33
100%
ReloadSwiss RS 62
<<locked>>
97%
45005
70%
**95
96%
ReloadSwiss RS 70
<<locked>>
97%
45092
70%
**95
95%
Rottweil R 901
<<locked>>
89%
57696
90%
**74
100%
Rottweil R 902
<<locked>>
93%
57174
89%
**81
100%
Rottweil R 903
<<locked>>
97%
54433
85%
**94
100%
[Rottweil R 907]*
<<locked>>
97%
51648
81%
**95
94%
SNPE Vectan SP 11
<<locked>>
97%
56565
88%
**53
99%
SNPE Vectan SP 7
<<locked>>
90%
57029
89%
**94
98%
SNPE Vectan SP 9
<<locked>>
92%
57130
89%
**20
99%
SNPE Vectan Tubal 3000
<<locked>>
90%
57334
89%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
57406
90%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49661
77%
**17
95%
Shooters World Long Rifle
<<locked>>
97%
49632
77%
**66
96%
Shooters World Match Rifle
<<locked>>
91%
57072
89%
**14
100%
Shooters World Precision
<<locked>>
95%
57072
89%
**94
100%
Shooters World Tactical Rifle
<<locked>>
84%
57667
90%
**64
100%
Somchem S321
<<locked>>
86%
57464
90%
**14
100%
Somchem S335
<<locked>>
91%
57508
90%
**18
100%
Somchem S341
<<locked>>
90%
57188
89%
**00
99%
Somchem S355
<<locked>>
97%
54665
85%
**81
100%
Somchem S365
<<locked>>
97%
39943
62%
**07
98%
Vihtavuori N130
<<locked>>
87%
57130
89%
**79
100%
Vihtavuori N133
<<locked>>
93%
57188
89%
**99
100%
Vihtavuori N135
<<locked>>
97%
52417
82%
**89
100%
Vihtavuori N140
<<locked>>
93%
57334
89%
**61
100%
Vihtavuori N150
<<locked>>
97%
46427
72%
**13
99%
Vihtavuori N160
<<locked>>
97%
49893
78%
**09
97%
Vihtavuori N530
<<locked>>
87%
57421
90%
**10
100%
Vihtavuori N540
<<locked>>
94%
57203
89%
**87
100%
Vihtavuori N550
<<locked>>
97%
50096
78%
**64
97%
[Vihtavuori N555]*
<<locked>>
97%
33562
52%
**56
93%
Winchester 6.5 StaBALL
<<locked>>
97%
48341
75%
**56
99%
Winchester 748
<<locked>>
86%
56840
89%
**33
100%
Winchester 760
<<locked>>
97%
53258
83%
**10
96%
Winchester StaBALL Match
<<locked>>
85%
56782
89%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42061
66%
**44
97%
[ADI AR 2208]*
<<locked>>
81%
35708
56%
**77
94%
Accurate 2015
<<locked>>
81%
47398
74%
**71
100%
Accurate 2200
<<locked>>
81%
44179
69%
**51
96%
Accurate 2230
<<locked>>
81%
50125
78%
**56
99%
Accurate 2460
<<locked>>
81%
50154
78%
**59
100%
Accurate 2495
<<locked>>
81%
42583
66%
**51
100%
Accurate 2520
<<locked>>
81%
43323
68%
**77
100%
[Accurate 2700]*
<<locked>>
86%
40016
62%
**03
90%
Accurate 4064
<<locked>>
81%
35969
56%
**20
99%
[Accurate 4350]*
<<locked>>
85%
29457
46%
**98
90%
Alliant AR-Comp
<<locked>>
81%
43627
68%
**67
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34722
54%
**97
96%
Alliant Reloder-10x
<<locked>>
81%
51445
80%
**49
100%
Alliant Reloder-15
<<locked>>
81%
37695
59%
**69
95%
[Alliant Reloder-16]*
<<locked>>
85%
30995
48%
**18
90%
[Alliant Reloder-17]*
<<locked>>
81%
30211
47%
**28
92%
[Alliant Reloder-23]*
<<locked>>
93%
27934
44%
**39
90%
Baschieri & Pellagri 106
<<locked>>
81%
53534
84%
**23
100%
Baschieri & Pellagri 107
<<locked>>
81%
41031
64%
**35
96%
Hodgdon BL-C2
<<locked>>
81%
43308
68%
**00
99%
Hodgdon Benchmark
<<locked>>
81%
46209
72%
**58
99%
[Hodgdon CFE223]*
<<locked>>
81%
36158
56%
**59
94%
Hodgdon H322
<<locked>>
81%
46659
73%
**13
100%
[Hodgdon H380]*
<<locked>>
81%
35505
55%
**00
93%
[Hodgdon H414]*
<<locked>>
87%
37695
59%
**85
90%
[Hodgdon H4350]*
<<locked>>
94%
39856
62%
**72
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
26411
41%
**57
90%
[Hodgdon LVR]*
<<locked>>
84%
31923
50%
**28
90%
[Hodgdon Superperformance]*
<<locked>>
92%
41031
64%
**64
90%
[Hodgdon VARGET]*
<<locked>>
81%
35520
55%
**77
94%
Hodgdon TrailBoss
<<locked>>
81%
26266
41%
**99
100%
IMR 3031
<<locked>>
81%
37811
59%
**85
100%
[IMR 4064]*
<<locked>>
81%
34853
54%
**51
94%
[IMR 4166 Enduron]*
<<locked>>
83%
37463
58%
**67
90%
IMR 4198
<<locked>>
81%
52054
81%
**17
100%
[IMR 4350]*
<<locked>>
92%
39276
61%
**62
90%
[IMR 4451 Enduron]*
<<locked>>
85%
37492
58%
**00
90%
[IMR 4831]*
<<locked>>
88%
29196
46%
**62
90%
IMR 4895
<<locked>>
81%
38653
60%
**02
96%
IMR 8208 XBR
<<locked>>
81%
44150
69%
**67
99%
Lovex D073.4
<<locked>>
81%
52228
81%
**89
100%
Lovex D073.5
<<locked>>
81%
49893
78%
**56
100%
Lovex D073.6
<<locked>>
81%
40712
64%
**28
99%
Lovex S060
<<locked>>
81%
42496
66%
**82
97%
Lovex S062
<<locked>>
81%
37275
58%
**23
97%
[Lovex S065]*
<<locked>>
84%
33141
52%
**98
90%
[Lovex S070]*
<<locked>>
88%
36405
57%
**97
90%
Norma 201
<<locked>>
81%
41307
64%
**05
98%
Norma 202
<<locked>>
81%
41263
64%
**08
100%
Norma 203B
<<locked>>
81%
37217
58%
**59
96%
[Norma URP]*
<<locked>>
84%
30081
47%
**95
90%
Ramshot Big Game
<<locked>>
81%
36535
57%
**59
95%
[Ramshot Hunter]*
<<locked>>
90%
35549
55%
**43
90%
Ramshot TAC
<<locked>>
81%
44222
69%
**54
95%
Ramshot Wild Boar
<<locked>>
81%
43163
67%
**77
97%
Ramshot X-Terminator
<<locked>>
81%
47732
74%
**10
98%
ReloadSwiss RS 14
<<locked>>
81%
26789
42%
**49
100%
ReloadSwiss RS 40
<<locked>>
81%
49545
77%
**63
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36172
56%
**77
91%
ReloadSwiss RS 52
<<locked>>
81%
35708
56%
**59
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29457
46%
**02
92%
[ReloadSwiss RS 62]*
<<locked>>
86%
31154
49%
**44
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
34606
54%
**23
90%
Rottweil R 901
<<locked>>
81%
44817
70%
**54
100%
Rottweil R 902
<<locked>>
81%
39160
61%
**43
98%
Rottweil R 903
<<locked>>
81%
32329
50%
**35
95%
[Rottweil R 907]*
<<locked>>
88%
39552
62%
**46
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
33547
52%
**90
94%
SNPE Vectan SP 7
<<locked>>
81%
42351
66%
**28
95%
SNPE Vectan SP 9
<<locked>>
81%
40669
63%
**08
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42830
67%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35317
55%
**15
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
36085
56%
**48
90%
[Shooters World Long Rifle]*
<<locked>>
84%
33141
52%
**98
90%
Shooters World Match Rifle
<<locked>>
81%
40712
64%
**28
99%
Shooters World Precision
<<locked>>
81%
37275
58%
**23
97%
Shooters World Tactical Rifle
<<locked>>
81%
52417
82%
**72
99%
Somchem S321
<<locked>>
81%
47790
75%
**49
99%
Somchem S335
<<locked>>
81%
42453
66%
**72
100%
Somchem S341
<<locked>>
81%
41916
65%
**28
97%
Somchem S355
<<locked>>
81%
33431
52%
**51
95%
[Somchem S365]*
<<locked>>
81%
24424
38%
**41
90%
Vihtavuori N130
<<locked>>
81%
47369
74%
**35
100%
Vihtavuori N133
<<locked>>
81%
40176
63%
**20
100%
Vihtavuori N135
<<locked>>
81%
32285
50%
**02
99%
Vihtavuori N140
<<locked>>
81%
38363
60%
**33
99%
[Vihtavuori N150]*
<<locked>>
81%
28326
44%
**84
94%
[Vihtavuori N160]*
<<locked>>
82%
30385
47%
**66
90%
Vihtavuori N530
<<locked>>
81%
46731
73%
**27
99%
Vihtavuori N540
<<locked>>
81%
38101
59%
**46
99%
[Vihtavuori N550]*
<<locked>>
82%
30429
47%
**05
90%
[Vihtavuori N555]*
<<locked>>
92%
28660
45%
**08
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28485
44%
**80
92%
Winchester 748
<<locked>>
81%
46833
73%
**69
100%
[Winchester 760]*
<<locked>>
87%
37695
59%
**85
90%
Winchester StaBALL Match
<<locked>>
81%
50270
78%
**18
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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