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Load data for 6 x 70 R + .243 | 85gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): IMR 3031

6 x 70 R + .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:
6 x 70 R load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
39.9 Grains of Water | 2.59 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
37710 psi | 2600 bar
LID:
LID_B11005_C972
Last updated:
2026-03-26
Recommended Twist Rate:
1:8 - 1:7

Load data for 40 loads in caliber 6 x 70 R with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 20 powders such as IMR 3031. 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 4064
<<locked>>
88%
32837
87%
**49
97%
[Alliant Reloder- TS 15.5]*
<<locked>>
88%
33098
88%
**39
93%
[Bofors RP3]*
<<locked>>
89%
33388
89%
**62
93%
Hodgdon TrailBoss
<<locked>>
96%
31676
84%
**32
100%
IMR 3031 👍
<<locked>>
86%
33910
90%
**98
99%
[IMR 4895]*
<<locked>>
85%
33707
89%
**59
92%
Lovex D073.6
<<locked>>
84%
33620
89%
**56
96%
[Lovex S062]*
<<locked>>
86%
33359
88%
**10
94%
ReloadSwiss RS 14
<<locked>>
96%
31560
84%
**65
100%
[ReloadSwiss RS 60]*
<<locked>>
89%
33156
88%
**85
94%
[Rottweil R 902]*
<<locked>>
84%
33547
89%
**97
94%
[Rottweil R 903]*
<<locked>>
91%
33344
88%
**46
93%
SNPE Vectan Tubal 5000
<<locked>>
87%
33692
89%
**67
98%
Shooters World Match Rifle
<<locked>>
84%
33620
89%
**56
96%
[Shooters World Precision]*
<<locked>>
86%
33359
88%
**10
94%
[Somchem S355]*
<<locked>>
90%
33765
90%
**43
93%
Vihtavuori N135
<<locked>>
92%
33866
90%
**39
99%
Vihtavuori N140
<<locked>>
84%
33083
88%
**00
97%
[Vihtavuori N150]*
<<locked>>
95%
33170
88%
**10
94%
Vihtavuori N540
<<locked>>
85%
33692
89%
**30
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 4064]*
<<locked>>
81%
25846
69%
**56
94%
[Alliant Reloder- TS 15.5]*
<<locked>>
83%
28253
75%
**05
90%
[Bofors RP3]*
<<locked>>
84%
28108
75%
**18
90%
Hodgdon TrailBoss
<<locked>>
82%
25338
67%
**94
100%
IMR 3031
<<locked>>
81%
28631
76%
**54
97%
[IMR 4895]*
<<locked>>
82%
30458
81%
**77
90%
Lovex D073.6
<<locked>>
81%
30356
80%
**70
95%
[Lovex S062]*
<<locked>>
81%
28326
75%
**75
91%
ReloadSwiss RS 14
<<locked>>
82%
25251
67%
**27
100%
[ReloadSwiss RS 60]*
<<locked>>
85%
28456
75%
**41
91%
[Rottweil R 902]*
<<locked>>
81%
30284
80%
**08
92%
[Rottweil R 903]*
<<locked>>
87%
29037
77%
**34
90%
SNPE Vectan Tubal 5000
<<locked>>
81%
27586
73%
**16
95%
Shooters World Match Rifle
<<locked>>
81%
30356
80%
**70
95%
[Shooters World Precision]*
<<locked>>
81%
28326
75%
**75
91%
[Somchem S355]*
<<locked>>
86%
29559
78%
**34
90%
Vihtavuori N135
<<locked>>
81%
23960
64%
**74
95%
Vihtavuori N140
<<locked>>
81%
29878
79%
**21
96%
[Vihtavuori N150]*
<<locked>>
87%
26382
70%
**29
91%
Vihtavuori N540
<<locked>>
81%
29646
79%
**31
95%

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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