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Load data for 7.62 x 39 (M43) Russian + .311 | 123gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Hodgdon LilGun

7.62 x 39 (M43) Russian + .311 | 123gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.311 | 123gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
311123CuSP
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.311" | 7.90mm
Bullet Length:
1.060" | 26.9mm
Caliber:
7.62 x 39 (M43) Russian load data
Case Length (l3):
1.523" | 38.7mm
Cartridge Length (C.O.L.):
1.826" | 46.4mm
Seated Depth:
0.757" | 19.2mm
Shank Seated Depth:
0.694" | 17.6mm
Case Capacity:
35.5 Grains of Water | 2.31 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B11021_C1119
Last updated:
2025-11-06
Recommended Twist Rate:
1:13 - 1:11

Load data for 26 loads in caliber 7.62 x 39 (M43) Russian with .311 | 123gr | Lehigh Defense Controlled Chaos bullet and 13 powders such as Hodgdon LilGun. 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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    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.

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 2205
<<locked>>
96%
46122
90%
**56
99%
[Accurate 5744]*
<<locked>>
94%
45977
89%
**28
94%
Accurate No. 11 FS
<<locked>>
93%
44193
86%
**01
97%
Hodgdon LilGun 👍
<<locked>>
90%
44715
87%
**93
100%
[IMR 4227]*
<<locked>>
96%
36071
70%
**67
93%
[Lovex D060]*
<<locked>>
96%
45977
89%
**28
94%
[Lovex D063]*
<<locked>>
91%
44266
86%
**85
93%
Lovex S040
<<locked>>
88%
45339
88%
**59
100%
Lovex S053
<<locked>>
97%
33576
65%
**60
97%
SNPE Vectan BA6 1/2
<<locked>>
97%
31937
62%
**65
100%
[Shooters World Blackout]*
<<locked>>
91%
44266
86%
**85
93%
[Shooters World Buffalo Rifle]*
<<locked>>
96%
45977
89%
**28
94%
Vihtavuori N110
<<locked>>
96%
39334
76%
**39
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
29530
57%
**90
95%
[Accurate 5744]*
<<locked>>
86%
36158
70%
**64
90%
[Accurate No. 11 FS]*
<<locked>>
81%
29776
58%
**59
93%
Hodgdon LilGun
<<locked>>
81%
32358
63%
**16
100%
[IMR 4227]*
<<locked>>
91%
30980
60%
**69
91%
[Lovex D060]*
<<locked>>
88%
36158
70%
**64
90%
[Lovex D063]*
<<locked>>
85%
36492
71%
**60
91%
Lovex S040
<<locked>>
81%
36506
71%
**34
100%
[Lovex S053]*
<<locked>>
81%
21509
42%
**81
91%
SNPE Vectan BA6 1/2
<<locked>>
81%
21205
41%
**36
98%
[Shooters World Blackout]*
<<locked>>
85%
36492
71%
**60
91%
[Shooters World Buffalo Rifle]*
<<locked>>
88%
36158
70%
**64
90%
Vihtavuori N110
<<locked>>
81%
25222
49%
**86
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.

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