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Load data for 6 x 52 R BB2 + .243 | 85gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Accurate 4064, IMR 3031, Vihtavuori N540

6 x 52 R BB2 + .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:
1.130" | 28.7mm
Caliber:
6 x 52 R BB2 load data
Case Length (l3):
2.040" | 51.8mm
Cartridge Length (C.O.L.):
2.679" | 68.1mm
Seated Depth:
0.491" | 12.5mm
Shank Seated Depth:
0.396" | 10.1mm
Case Capacity:
40.0 Grains of Water | 2.60 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
47863 psi | 3300 bar
LID:
LID_B11005_C964
Last updated:
2025-11-05

Load data for 120 loads in caliber 6 x 52 R BB2 with .243 | 85gr | Lehigh Defense Controlled Chaos bullet and 60 powders such as Accurate 4064, IMR 3031, Vihtavuori N540. 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 2206H
<<locked>>
88%
42018
88%
**49
95%
[ADI AR 2208]*
<<locked>>
93%
41974
88%
**20
94%
Accurate 2015
<<locked>>
84%
42293
88%
**00
100%
[Accurate 2200]*
<<locked>>
86%
42525
89%
**10
93%
Accurate 2495
<<locked>>
88%
41611
87%
**69
100%
Accurate 2520
<<locked>>
87%
42177
88%
**72
98%
Accurate 4064 👍
<<locked>>
94%
42380
89%
**89
99%
Alliant AR-Comp
<<locked>>
87%
41872
87%
**76
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
41930
88%
**72
96%
Alliant Reloder-15
<<locked>>
92%
42076
88%
**66
95%
[Alliant Reloder-17]*
<<locked>>
97%
40335
84%
**85
94%
[Baschieri & Pellagri 107]*
<<locked>>
88%
41959
88%
**53
94%
Hodgdon BL-C2
<<locked>>
87%
41945
88%
**79
97%
Hodgdon Benchmark
<<locked>>
84%
42148
88%
**77
97%
[Hodgdon CFE223]*
<<locked>>
93%
42395
89%
**92
93%
Hodgdon H322
<<locked>>
85%
42801
89%
**59
100%
[Hodgdon H380]*
<<locked>>
93%
42496
89%
**56
93%
[Hodgdon VARGET]*
<<locked>>
93%
41974
88%
**20
94%
Hodgdon TrailBoss
<<locked>>
95%
31705
66%
**45
100%
IMR 3031 👍
<<locked>>
92%
42467
89%
**15
100%
IMR 4064
<<locked>>
94%
42554
89%
**23
95%
IMR 4895
<<locked>>
92%
43062
90%
**08
96%
IMR 8208 XBR
<<locked>>
86%
41872
87%
**17
97%
Lovex D073.6
<<locked>>
89%
42177
88%
**72
98%
Lovex S060
<<locked>>
87%
42656
89%
**80
95%
Lovex S062
<<locked>>
92%
42090
88%
**36
97%
Norma 201
<<locked>>
88%
41669
87%
**20
97%
Norma 202
<<locked>>
88%
41553
87%
**36
99%
Norma 203B
<<locked>>
93%
42598
89%
**82
95%
Ramshot Big Game
<<locked>>
92%
41887
88%
**76
95%
[Ramshot TAC]*
<<locked>>
86%
42801
89%
**20
92%
Ramshot Wild Boar
<<locked>>
87%
41959
88%
**53
95%
Ramshot X-Terminator
<<locked>>
84%
42786
89%
**03
95%
ReloadSwiss RS 14
<<locked>>
95%
31662
66%
**81
100%
ReloadSwiss RS 52
<<locked>>
93%
42337
88%
**28
97%
ReloadSwiss RS 60
<<locked>>
97%
39407
82%
**72
95%
Rottweil R 901
<<locked>>
86%
43033
90%
**33
99%
Rottweil R 902
<<locked>>
91%
43047
90%
**33
97%
Rottweil R 903
<<locked>>
97%
41626
87%
**72
96%
SNPE Vectan SP 11
<<locked>>
95%
42380
89%
**95
95%
[SNPE Vectan SP 7]*
<<locked>>
88%
42830
89%
**33
93%
SNPE Vectan SP 9
<<locked>>
89%
41989
88%
**40
95%
SNPE Vectan Tubal 3000
<<locked>>
87%
42554
89%
**71
99%
SNPE Vectan Tubal 5000
<<locked>>
93%
42047
88%
**74
99%
Shooters World Match Rifle
<<locked>>
89%
42177
88%
**72
98%
Shooters World Precision
<<locked>>
92%
42090
88%
**36
97%
Somchem S321
<<locked>>
84%
42047
88%
**46
97%
Somchem S335
<<locked>>
87%
41814
87%
**67
99%
Somchem S341
<<locked>>
88%
42772
89%
**40
95%
Somchem S355
<<locked>>
96%
42612
89%
**69
96%
[Somchem S365]*
<<locked>>
97%
30893
65%
**59
92%
Vihtavuori N130
<<locked>>
84%
42772
89%
**71
100%
Vihtavuori N133
<<locked>>
89%
42250
88%
**74
100%
Vihtavuori N135
<<locked>>
96%
40712
85%
**13
100%
Vihtavuori N140
<<locked>>
91%
42351
88%
**33
99%
Vihtavuori N150
<<locked>>
97%
36521
76%
**21
96%
Vihtavuori N530
<<locked>>
85%
42612
89%
**46
97%
Vihtavuori N540 👍
<<locked>>
92%
42989
90%
**62
99%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
38319
80%
**28
94%
Winchester 748
<<locked>>
85%
42134
88%
**82
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
33779
71%
**62
92%
[ADI AR 2208]*
<<locked>>
85%
32692
68%
**07
90%
Accurate 2015
<<locked>>
81%
38609
81%
**31
100%
[Accurate 2200]*
<<locked>>
81%
36245
76%
**69
91%
Accurate 2495
<<locked>>
81%
32866
69%
**89
99%
Accurate 2520
<<locked>>
81%
33547
70%
**85
96%
Accurate 4064
<<locked>>
81%
27644
58%
**44
95%
Alliant AR-Comp
<<locked>>
81%
34055
71%
**18
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
27731
58%
**18
90%
[Alliant Reloder-15]*
<<locked>>
83%
31778
66%
**26
90%
[Alliant Reloder-17]*
<<locked>>
90%
32721
68%
**92
91%
[Baschieri & Pellagri 107]*
<<locked>>
82%
34069
71%
**66
90%
[Hodgdon BL-C2]*
<<locked>>
81%
33518
70%
**95
94%
Hodgdon Benchmark
<<locked>>
81%
38363
80%
**02
96%
[Hodgdon CFE223]*
<<locked>>
87%
35418
74%
**28
90%
Hodgdon H322
<<locked>>
81%
37637
79%
**51
99%
[Hodgdon H380]*
<<locked>>
89%
36274
76%
**21
90%
[Hodgdon VARGET]*
<<locked>>
85%
32692
68%
**07
90%
Hodgdon TrailBoss
<<locked>>
87%
27804
58%
**63
100%
IMR 3031
<<locked>>
81%
29544
62%
**10
97%
[IMR 4064]*
<<locked>>
85%
32169
67%
**90
90%
[IMR 4895]*
<<locked>>
81%
30443
64%
**07
90%
IMR 8208 XBR
<<locked>>
81%
35752
75%
**89
95%
Lovex D073.6
<<locked>>
81%
31401
66%
**33
95%
[Lovex S060]*
<<locked>>
81%
35433
74%
**23
93%
[Lovex S062]*
<<locked>>
81%
29776
62%
**48
92%
[Norma 201]*
<<locked>>
81%
33533
70%
**30
94%
Norma 202
<<locked>>
81%
33330
70%
**52
97%
[Norma 203B]*
<<locked>>
82%
30168
63%
**90
90%
[Ramshot Big Game]*
<<locked>>
84%
31981
67%
**33
90%
[Ramshot TAC]*
<<locked>>
83%
38145
80%
**18
90%
[Ramshot Wild Boar]*
<<locked>>
81%
34853
73%
**95
92%
[Ramshot X-Terminator]*
<<locked>>
81%
39059
82%
**31
94%
ReloadSwiss RS 14
<<locked>>
81%
25454
53%
**44
100%
[ReloadSwiss RS 52]*
<<locked>>
81%
28210
59%
**64
91%
[ReloadSwiss RS 60]*
<<locked>>
90%
31865
67%
**59
90%
Rottweil R 901
<<locked>>
81%
36782
77%
**98
97%
[Rottweil R 902]*
<<locked>>
81%
31459
66%
**70
93%
[Rottweil R 903]*
<<locked>>
85%
28282
59%
**44
90%
[SNPE Vectan SP 11]*
<<locked>>
87%
32227
67%
**46
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
36622
77%
**95
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
32764
68%
**30
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
35114
73%
**10
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
28311
59%
**62
96%
Shooters World Match Rifle
<<locked>>
81%
31401
66%
**33
95%
[Shooters World Precision]*
<<locked>>
81%
29776
62%
**48
92%
Somchem S321
<<locked>>
81%
38435
80%
**67
96%
Somchem S335
<<locked>>
81%
34708
73%
**23
98%
[Somchem S341]*
<<locked>>
81%
33460
70%
**36
92%
[Somchem S355]*
<<locked>>
84%
29080
61%
**51
90%
[Somchem S365]*
<<locked>>
94%
28239
59%
**74
90%
Vihtavuori N130
<<locked>>
81%
39044
82%
**02
100%
Vihtavuori N133
<<locked>>
81%
32692
68%
**74
99%
Vihtavuori N135
<<locked>>
81%
25454
53%
**49
96%
Vihtavuori N140
<<locked>>
81%
30763
64%
**74
96%
[Vihtavuori N150]*
<<locked>>
85%
25672
54%
**33
90%
Vihtavuori N530
<<locked>>
81%
37478
78%
**41
95%
Vihtavuori N540
<<locked>>
81%
30487
64%
**84
95%
[Winchester 6.5 StaBALL]*
<<locked>>
91%
31995
67%
**70
91%
Winchester 748
<<locked>>
81%
37057
77%
**80
96%

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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