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Load data for .300 RCM + .308 | 175gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

.300 RCM + .308 | 175gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 175gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
308175CuSP
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.300 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.713" | 18.1mm
Shank Seated Depth:
0.539" | 13.7mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B11020_C371
Last updated:
2025-11-04
Recommended Twist Rate:
1:11 - 1:9

Load data for 194 loads in caliber .300 RCM with .308 | 175gr | Lehigh Defense Controlled Chaos bullet and 97 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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>>
89%
57232
90%
**85
100%
ADI AR 2208
<<locked>>
94%
56884
89%
**62
100%
[ADI AR 2209]*
<<locked>>
97%
42525
67%
**85
92%
Accurate 2015
<<locked>>
84%
56681
89%
**61
100%
Accurate 2200
<<locked>>
86%
56536
89%
**43
100%
Accurate 2495
<<locked>>
87%
56898
89%
**30
100%
Accurate 2520
<<locked>>
87%
57043
89%
**66
100%
Accurate 2700
<<locked>>
94%
57188
90%
**13
97%
[Accurate 3100]*
<<locked>>
97%
34809
55%
**41
93%
Accurate 4064
<<locked>>
93%
56768
89%
**56
100%
Accurate 4350
<<locked>>
97%
49052
77%
**30
99%
Alliant AR-Comp
<<locked>>
86%
57029
89%
**13
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
57435
90%
**95
100%
Alliant Reloder-15
<<locked>>
91%
56463
88%
**95
100%
Alliant Reloder-16
<<locked>>
97%
48457
76%
**49
99%
Alliant Reloder-17 👍
<<locked>>
96%
55230
87%
**74
100%
[Alliant Reloder-19]*
<<locked>>
97%
41684
65%
**85
92%
Alliant Reloder-23
<<locked>>
97%
34011
53%
**77
97%
Alliant Reloder-26
<<locked>>
97%
37536
59%
**08
96%
Baschieri & Pellagri 107
<<locked>>
89%
57130
90%
**08
100%
Hodgdon BL-C2
<<locked>>
87%
56753
89%
**99
100%
Hodgdon Benchmark
<<locked>>
86%
56376
88%
**00
100%
Hodgdon CFE223 👍
<<locked>>
92%
56942
89%
**38
100%
Hodgdon H322
<<locked>>
85%
56840
89%
**30
100%
Hodgdon H380
<<locked>>
93%
56623
89%
**92
99%
Hodgdon H414
<<locked>>
96%
56811
89%
**51
98%
Hodgdon H4350
<<locked>>
97%
46238
72%
**15
95%
Hodgdon Hybrid 100V
<<locked>>
97%
44034
69%
**15
99%
Hodgdon LVR
<<locked>>
97%
53156
83%
**82
99%
Hodgdon Superperformance
<<locked>>
97%
52823
83%
**08
97%
Hodgdon VARGET
<<locked>>
94%
57203
90%
**72
100%
IMR 3031
<<locked>>
91%
56739
89%
**66
100%
IMR 4064
<<locked>>
95%
56942
89%
**59
100%
IMR 4166 Enduron
<<locked>>
95%
57087
89%
**36
98%
IMR 4350
<<locked>>
97%
49095
77%
**64
96%
IMR 4451 Enduron
<<locked>>
96%
57406
90%
**76
98%
IMR 4831
<<locked>>
97%
41858
66%
**92
98%
IMR 4895
<<locked>>
91%
56884
89%
**08
100%
IMR 8208 XBR
<<locked>>
87%
57043
89%
**49
100%
Lovex D073.6
<<locked>>
88%
56478
88%
**53
100%
Lovex S060
<<locked>>
88%
56391
88%
**10
100%
Lovex S062
<<locked>>
92%
56739
89%
**56
100%
Lovex S065
<<locked>>
97%
53417
84%
**17
98%
Lovex S070
<<locked>>
97%
51242
80%
**00
97%
Norma 201
<<locked>>
89%
56608
89%
**40
100%
Norma 202
<<locked>>
89%
56608
89%
**40
100%
Norma 203B
<<locked>>
92%
56608
89%
**02
100%
[Norma 204]*
<<locked>>
97%
49559
78%
**07
94%
[Norma MRP]*
<<locked>>
97%
38130
60%
**75
92%
Norma URP
<<locked>>
97%
49008
77%
**26
99%
Ramshot Big Game 👍
<<locked>>
92%
57348
90%
**25
100%
Ramshot Hunter
<<locked>>
97%
47703
75%
**20
97%
Ramshot TAC
<<locked>>
87%
56811
89%
**59
99%
Ramshot Wild Boar
<<locked>>
87%
56449
88%
**79
100%
Ramshot X-Terminator
<<locked>>
84%
57217
90%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
34345
54%
**73
100%
ReloadSwiss RS 40
<<locked>>
83%
57058
89%
**40
100%
ReloadSwiss RS 50
<<locked>>
93%
57217
90%
**76
98%
ReloadSwiss RS 52
<<locked>>
92%
56884
89%
**22
100%
ReloadSwiss RS 60 👍
<<locked>>
96%
53388
84%
**64
100%
ReloadSwiss RS 62
<<locked>>
97%
48950
77%
**53
99%
ReloadSwiss RS 70
<<locked>>
97%
49081
77%
**76
98%
Rottweil R 901
<<locked>>
87%
57203
90%
**13
100%
Rottweil R 902
<<locked>>
91%
57246
90%
**43
100%
Rottweil R 903
<<locked>>
96%
57334
90%
**95
100%
[Rottweil R 904]*
<<locked>>
97%
44309
69%
**79
91%
[Rottweil R 905]*
<<locked>>
97%
40364
63%
**66
92%
Rottweil R 907
<<locked>>
97%
55361
87%
**40
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
56956
89%
**22
100%
SNPE Vectan SP 7
<<locked>>
88%
56956
89%
**66
99%
SNPE Vectan SP 9
<<locked>>
89%
57305
90%
**82
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
56739
89%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
57087
89%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53650
84%
**74
97%
Shooters World Long Rifle
<<locked>>
97%
53417
84%
**17
98%
Shooters World Match Rifle
<<locked>>
88%
56478
88%
**53
100%
Shooters World Precision
<<locked>>
92%
56739
89%
**56
100%
Somchem S321
<<locked>>
84%
56797
89%
**66
100%
Somchem S335
<<locked>>
88%
56550
89%
**67
100%
Somchem S341
<<locked>>
88%
57421
90%
**66
100%
Somchem S355
<<locked>>
95%
57029
89%
**85
100%
Somchem S365
<<locked>>
97%
43482
68%
**74
100%
[Somchem S385]*
<<locked>>
97%
41046
64%
**52
93%
Vihtavuori N130
<<locked>>
85%
56434
88%
**25
100%
Vihtavuori N133
<<locked>>
91%
57101
89%
**51
100%
Vihtavuori N135
<<locked>>
96%
56304
88%
**00
100%
Vihtavuori N140
<<locked>>
91%
56666
89%
**10
100%
Vihtavuori N150
<<locked>>
97%
50705
79%
**64
100%
Vihtavuori N160
<<locked>>
97%
53824
84%
**56
99%
Vihtavuori N530
<<locked>>
85%
56594
89%
**53
100%
Vihtavuori N540
<<locked>>
91%
56753
89%
**46
100%
Vihtavuori N550
<<locked>>
97%
54273
85%
**08
99%
Vihtavuori N555
<<locked>>
97%
36999
58%
**52
97%
Winchester 6.5 StaBALL
<<locked>>
97%
51184
80%
**00
100%
Winchester 748
<<locked>>
85%
57363
90%
**95
100%
Winchester 760
<<locked>>
96%
56811
89%
**51
98%
Winchester StaBALL HD
<<locked>>
97%
30400
48%
**44
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45266
71%
**98
99%
ADI AR 2208
<<locked>>
81%
38334
60%
**48
97%
[ADI AR 2209]*
<<locked>>
93%
38319
60%
**00
90%
Accurate 2015
<<locked>>
81%
51184
80%
**95
100%
Accurate 2200
<<locked>>
81%
47471
74%
**02
98%
Accurate 2495
<<locked>>
81%
46601
73%
**95
100%
Accurate 2520
<<locked>>
81%
47065
74%
**25
100%
[Accurate 2700]*
<<locked>>
81%
36738
58%
**62
92%
[Accurate 3100]*
<<locked>>
91%
28413
45%
**87
90%
Accurate 4064
<<locked>>
81%
39262
62%
**87
100%
[Accurate 4350]*
<<locked>>
81%
28529
45%
**00
93%
Alliant AR-Comp
<<locked>>
81%
47413
74%
**89
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37840
59%
**70
99%
Alliant Reloder-15
<<locked>>
81%
40814
64%
**30
98%
[Alliant Reloder-16]*
<<locked>>
81%
29559
46%
**13
93%
Alliant Reloder-17
<<locked>>
81%
32822
51%
**38
97%
[Alliant Reloder-19]*
<<locked>>
93%
37202
58%
**84
90%
[Alliant Reloder-23]*
<<locked>>
84%
23656
37%
**59
90%
[Alliant Reloder-26]*
<<locked>>
89%
28427
45%
**56
90%
Baschieri & Pellagri 107
<<locked>>
81%
44382
70%
**05
98%
Hodgdon BL-C2
<<locked>>
81%
46934
74%
**54
100%
Hodgdon Benchmark
<<locked>>
81%
49298
77%
**95
100%
Hodgdon CFE223
<<locked>>
81%
38928
61%
**36
97%
Hodgdon H322
<<locked>>
81%
50125
79%
**38
100%
Hodgdon H380
<<locked>>
81%
38725
61%
**84
96%
[Hodgdon H414]*
<<locked>>
81%
33707
53%
**15
91%
[Hodgdon H4350]*
<<locked>>
86%
33634
53%
**52
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26890
42%
**24
94%
[Hodgdon LVR]*
<<locked>>
81%
31966
50%
**62
93%
[Hodgdon Superperformance]*
<<locked>>
84%
34534
54%
**41
90%
Hodgdon VARGET
<<locked>>
81%
38087
60%
**44
97%
IMR 3031
<<locked>>
81%
41727
65%
**39
100%
IMR 4064
<<locked>>
81%
37594
59%
**25
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37507
59%
**92
93%
[IMR 4350]*
<<locked>>
84%
33301
52%
**43
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35810
56%
**79
92%
[IMR 4831]*
<<locked>>
81%
25396
40%
**88
91%
IMR 4895
<<locked>>
81%
41727
65%
**66
99%
IMR 8208 XBR
<<locked>>
81%
47384
74%
**02
100%
Lovex D073.6
<<locked>>
81%
44121
69%
**72
100%
Lovex S060
<<locked>>
81%
45324
71%
**33
99%
Lovex S062
<<locked>>
81%
40248
63%
**87
99%
[Lovex S065]*
<<locked>>
81%
33156
52%
**33
93%
[Lovex S070]*
<<locked>>
81%
31169
49%
**97
90%
Norma 201
<<locked>>
81%
44527
70%
**52
100%
Norma 202
<<locked>>
81%
44643
70%
**59
100%
Norma 203B
<<locked>>
81%
40190
63%
**26
98%
[Norma 204]*
<<locked>>
88%
37449
59%
**67
90%
[Norma MRP]*
<<locked>>
93%
33881
53%
**77
90%
[Norma URP]*
<<locked>>
81%
29414
46%
**13
93%
Ramshot Big Game
<<locked>>
81%
39726
62%
**39
98%
[Ramshot Hunter]*
<<locked>>
82%
29733
47%
**13
90%
Ramshot TAC
<<locked>>
81%
47456
74%
**12
98%
Ramshot Wild Boar
<<locked>>
81%
46847
73%
**31
99%
Ramshot X-Terminator
<<locked>>
81%
51039
80%
**48
100%
ReloadSwiss RS 14
<<locked>>
94%
32895
52%
**44
100%
ReloadSwiss RS 40
<<locked>>
81%
53272
83%
**87
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38986
61%
**61
94%
ReloadSwiss RS 52
<<locked>>
81%
38928
61%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
31952
50%
**28
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
28500
45%
**10
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
29037
46%
**06
90%
Rottweil R 901
<<locked>>
81%
48240
76%
**85
100%
Rottweil R 902
<<locked>>
81%
42090
66%
**00
99%
Rottweil R 903
<<locked>>
81%
35288
55%
**18
98%
[Rottweil R 904]*
<<locked>>
94%
40886
64%
**07
90%
[Rottweil R 905]*
<<locked>>
94%
36245
57%
**74
90%
[Rottweil R 907]*
<<locked>>
81%
34287
54%
**46
91%
SNPE Vectan SP 11
<<locked>>
81%
36274
57%
**64
97%
SNPE Vectan SP 7
<<locked>>
81%
45672
72%
**89
98%
SNPE Vectan SP 9
<<locked>>
81%
43685
68%
**66
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45876
72%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38116
60%
**82
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32010
50%
**77
91%
[Shooters World Long Rifle]*
<<locked>>
81%
33156
52%
**33
93%
Shooters World Match Rifle
<<locked>>
81%
44121
69%
**72
100%
Shooters World Precision
<<locked>>
81%
40248
63%
**87
99%
Somchem S321
<<locked>>
81%
51401
81%
**84
100%
Somchem S335
<<locked>>
81%
45542
71%
**13
100%
Somchem S341
<<locked>>
81%
45310
71%
**85
99%
Somchem S355
<<locked>>
81%
36361
57%
**34
98%
Somchem S365
<<locked>>
81%
26049
41%
**51
95%
[Somchem S385]*
<<locked>>
91%
33156
52%
**82
90%
Vihtavuori N130
<<locked>>
81%
50894
80%
**49
100%
Vihtavuori N133
<<locked>>
81%
43236
68%
**57
100%
Vihtavuori N135
<<locked>>
81%
35302
55%
**72
100%
Vihtavuori N140
<<locked>>
81%
41510
65%
**87
100%
Vihtavuori N150
<<locked>>
81%
30850
48%
**83
98%
[Vihtavuori N160]*
<<locked>>
81%
31821
50%
**39
94%
Vihtavuori N530
<<locked>>
81%
50169
79%
**57
100%
Vihtavuori N540
<<locked>>
81%
41133
64%
**03
100%
[Vihtavuori N550]*
<<locked>>
81%
32242
51%
**82
94%
[Vihtavuori N555]*
<<locked>>
83%
23946
38%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30632
48%
**93
96%
Winchester 748
<<locked>>
81%
50778
80%
**03
100%
[Winchester 760]*
<<locked>>
81%
33707
53%
**15
91%
[Winchester StaBALL HD]*
<<locked>>
90%
24656
39%
**38
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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