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Load data for .240 Flang. Nitro Express + .243 | 85gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Somchem S365

.240 Flang. Nitro Express + .243 | 85gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 85gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
243085CuSP
Bullet Weight:
85gr | 5.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
<<locked>>
Caliber:
.240 Flang. Nitro Express load data
Case Length (l3):
2.496" | 63.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B11005_C168
Last updated:
2026-03-24
Recommended Twist Rate:
1:8 - 1:7

Load data for 80 loads in caliber .240 Flang. Nitro Express with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 40 powders such as 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
[Accurate 3100]*
<<locked>>
97%
38551
83%
**13
94%
Accurate 4350
<<locked>>
89%
40915
88%
**95
96%
Alliant Reloder-16
<<locked>>
90%
41162
89%
**38
97%
Alliant Reloder-17
<<locked>>
86%
41611
90%
**74
98%
Alliant Reloder-23
<<locked>>
97%
36985
80%
**46
97%
Alliant Reloder-26
<<locked>>
97%
40640
88%
**94
96%
[Bofors RP7]*
<<locked>>
86%
41698
90%
**30
93%
[Hodgdon H414]*
<<locked>>
85%
41046
88%
**99
93%
[Hodgdon H4350]*
<<locked>>
91%
41495
89%
**46
92%
Hodgdon Hybrid 100V
<<locked>>
92%
41307
89%
**82
98%
Hodgdon LVR
<<locked>>
87%
40973
88%
**95
96%
[Hodgdon Superperformance]*
<<locked>>
87%
41089
89%
**05
92%
Hodgdon TrailBoss
<<locked>>
96%
33649
72%
**95
100%
[IMR 4350]*
<<locked>>
89%
41017
88%
**30
92%
[IMR 4451 Enduron]*
<<locked>>
84%
41437
89%
**27
93%
IMR 4831
<<locked>>
94%
41698
90%
**92
97%
Lovex S065
<<locked>>
86%
41075
88%
**20
95%
[Lovex S070]*
<<locked>>
88%
41133
89%
**40
93%
[Norma MRP]*
<<locked>>
97%
41394
89%
**61
93%
Norma URP
<<locked>>
89%
41046
88%
**99
96%
[Ramshot Hunter]*
<<locked>>
90%
41423
89%
**09
94%
ReloadSwiss RS 14
<<locked>>
96%
34113
74%
**41
100%
ReloadSwiss RS 60
<<locked>>
84%
41597
90%
**81
100%
ReloadSwiss RS 62
<<locked>>
90%
41350
89%
**28
96%
ReloadSwiss RS 70
<<locked>>
90%
41278
89%
**45
95%
Rottweil R 903
<<locked>>
84%
41408
89%
**66
98%
[Rottweil R 907]*
<<locked>>
86%
41698
90%
**30
93%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
41278
89%
**81
93%
Shooters World Long Rifle
<<locked>>
86%
41075
88%
**20
95%
Somchem S355
<<locked>>
84%
41626
90%
**63
98%
Somchem S365 👍
<<locked>>
93%
41191
89%
**51
99%
[Somchem S385]*
<<locked>>
95%
41524
89%
**76
92%
Vihtavuori N135
<<locked>>
85%
41640
90%
**17
100%
Vihtavuori N150
<<locked>>
89%
41336
89%
**33
99%
Vihtavuori N160
<<locked>>
87%
40915
88%
**49
96%
Vihtavuori N550
<<locked>>
87%
41727
90%
**09
96%
Vihtavuori N555
<<locked>>
97%
40161
87%
**22
97%
Winchester 6.5 StaBALL
<<locked>>
88%
41234
89%
**46
98%
[Winchester 760]*
<<locked>>
85%
41046
88%
**99
93%
Winchester StaBALL HD
<<locked>>
96%
32300
70%
**81
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 3100]*
<<locked>>
92%
31937
69%
**40
90%
[Accurate 4350]*
<<locked>>
81%
30153
65%
**17
92%
[Alliant Reloder-16]*
<<locked>>
81%
31082
67%
**49
92%
Alliant Reloder-17
<<locked>>
81%
34838
75%
**94
96%
[Alliant Reloder-23]*
<<locked>>
86%
26281
57%
**02
91%
[Alliant Reloder-26]*
<<locked>>
89%
31256
67%
**08
90%
[Bofors RP7]*
<<locked>>
81%
35969
77%
**82
90%
[Hodgdon H414]*
<<locked>>
81%
36027
78%
**64
91%
[Hodgdon H4350]*
<<locked>>
87%
36579
79%
**22
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28239
61%
**35
93%
[Hodgdon LVR]*
<<locked>>
81%
33591
72%
**95
92%
[Hodgdon Superperformance]*
<<locked>>
85%
36970
80%
**07
90%
Hodgdon TrailBoss
<<locked>>
81%
26745
58%
**31
100%
[IMR 4350]*
<<locked>>
86%
36825
79%
**25
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37347
80%
**25
91%
[IMR 4831]*
<<locked>>
82%
27731
60%
**18
90%
[Lovex S065]*
<<locked>>
81%
34650
75%
**59
92%
[Lovex S070]*
<<locked>>
82%
33953
73%
**49
90%
[Norma MRP]*
<<locked>>
94%
37130
80%
**53
91%
[Norma URP]*
<<locked>>
81%
30777
66%
**20
92%
[Ramshot Hunter]*
<<locked>>
83%
32793
71%
**72
90%
ReloadSwiss RS 14
<<locked>>
81%
27238
59%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
37188
80%
**76
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
30226
65%
**30
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
31937
69%
**79
90%
Rottweil R 903
<<locked>>
81%
37014
80%
**61
97%
[Rottweil R 907]*
<<locked>>
81%
35969
77%
**82
90%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33823
73%
**00
90%
[Shooters World Long Rifle]*
<<locked>>
81%
34650
75%
**59
92%
Somchem S355
<<locked>>
81%
38159
82%
**81
97%
[Somchem S365]*
<<locked>>
81%
27572
59%
**61
94%
[Somchem S385]*
<<locked>>
91%
36448
79%
**51
90%
Vihtavuori N135
<<locked>>
81%
37115
80%
**22
100%
Vihtavuori N150
<<locked>>
81%
32372
70%
**10
97%
[Vihtavuori N160]*
<<locked>>
81%
33605
72%
**72
93%
[Vihtavuori N550]*
<<locked>>
81%
34214
74%
**22
93%
[Vihtavuori N555]*
<<locked>>
86%
27224
59%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32184
69%
**17
95%
[Winchester 760]*
<<locked>>
81%
36027
78%
**64
91%
[Winchester StaBALL HD]*
<<locked>>
91%
27398
59%
**84
91%

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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