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Load data for .223 Rem. (5.56 x 45 NATO) + .224 | 55gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4198, Norma 200

.223 Rem. (5.56 x 45 NATO) + .224 | 55gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 55gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
224055CuSP
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.868" | 22.0mm
Caliber:
.223 Rem. (5.56 x 45 NATO) load data
Case Length (l3):
1.759" | 44.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.401" | 10.2mm
Shank Seated Depth:
0.267" | 6.8mm
Case Capacity:
28.8 Grains of Water | 1.87 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B11001_C134
Last updated:
2025-11-06
Recommended Twist Rate:
1:9 - 1:8

Load data for 88 loads in caliber .223 Rem. (5.56 x 45 NATO) with .224 | 55gr | Lehigh Defense Controlled Chaos bullet and 44 powders such as ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4198, Norma 200. 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 2205
<<locked>>
84%
55854
90%
**86
100%
ADI AR 2207 👍
<<locked>>
97%
55883
90%
**73
100%
ADI AR 2219
<<locked>>
97%
51619
83%
**56
98%
Accurate 1680 👍
<<locked>>
87%
55419
89%
**33
99%
Accurate 2015
<<locked>>
97%
42119
68%
**56
98%
[Accurate 2460]*
<<locked>>
97%
45948
74%
**18
94%
Accurate 2495
<<locked>>
96%
32721
52%
**44
95%
Alliant AR-Comp
<<locked>>
97%
37434
60%
**36
99%
Alliant Reloder-10x
<<locked>>
96%
46354
74%
**58
99%
Alliant Reloder-7 👍
<<locked>>
95%
55172
88%
**36
100%
Baschieri & Pellagri 106
<<locked>>
97%
53432
86%
**54
98%
[Hodgdon Benchmark]*
<<locked>>
96%
43453
70%
**13
92%
[Hodgdon CFE BLK]*
<<locked>>
94%
55143
88%
**74
94%
Hodgdon H322
<<locked>>
96%
42250
68%
**76
96%
Hodgdon H335
<<locked>>
97%
51430
82%
**46
97%
Hodgdon H4198
<<locked>>
96%
55129
88%
**97
98%
Hodgdon TrailBoss
<<locked>>
95%
28979
46%
**70
100%
[IMR 3031]*
<<locked>>
97%
32169
52%
**85
92%
IMR 4198 👍
<<locked>>
97%
49574
79%
**64
100%
IMR 4227
<<locked>>
90%
55259
89%
**91
100%
Lovex D060
<<locked>>
84%
55941
90%
**50
100%
[Lovex D073.4]*
<<locked>>
97%
48472
78%
**41
94%
[Lovex D073.5]*
<<locked>>
97%
44802
72%
**89
93%
Lovex S053
<<locked>>
92%
56028
90%
**74
100%
Norma 200 👍
<<locked>>
96%
52997
85%
**50
100%
[Norma 202]*
<<locked>>
97%
36027
58%
**44
92%
ReloadSwiss RS 14
<<locked>>
95%
28805
46%
**16
100%
ReloadSwiss RS 36
<<locked>>
90%
55347
89%
**27
100%
[ReloadSwiss RS 40]*
<<locked>>
96%
45832
73%
**22
94%
[Rottweil R 901]*
<<locked>>
96%
39697
64%
**90
93%
SNPE Vectan BA6 1/2
<<locked>>
95%
56072
90%
**07
100%
SNPE Vectan SP 10
<<locked>>
96%
51938
83%
**56
97%
[SNPE Vectan Tubal 3000]*
<<locked>>
97%
40350
65%
**35
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
97%
32227
52%
**51
92%
Shooters World Buffalo Rifle
<<locked>>
84%
55941
90%
**50
100%
[Shooters World Tactical Rifle]*
<<locked>>
97%
51169
82%
**45
93%
[Somchem S321]*
<<locked>>
97%
43932
70%
**99
92%
[Somchem S335]*
<<locked>>
96%
37826
61%
**12
94%
Vihtavuori N110
<<locked>>
86%
55898
90%
**99
100%
Vihtavuori N120
<<locked>>
97%
51866
83%
**61
100%
Vihtavuori N130
<<locked>>
97%
43888
70%
**43
99%
Vihtavuori N133
<<locked>>
96%
35795
57%
**72
95%
[Vihtavuori N140]*
<<locked>>
97%
34214
55%
**59
92%
[Winchester 748]*
<<locked>>
97%
42975
69%
**95
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
50241
81%
**07
100%
ADI AR 2207
<<locked>>
81%
34084
55%
**85
99%
[ADI AR 2219]*
<<locked>>
81%
30574
49%
**84
91%
Accurate 1680
<<locked>>
81%
44454
71%
**46
97%
[Accurate 2015]*
<<locked>>
81%
25454
41%
**36
91%
[Accurate 2460]*
<<locked>>
91%
36622
59%
**18
90%
[Accurate 2495]*
<<locked>>
88%
24134
39%
**92
90%
[Alliant AR-Comp]*
<<locked>>
81%
22785
37%
**70
91%
[Alliant Reloder-10x]*
<<locked>>
81%
28297
45%
**41
94%
Alliant Reloder-7
<<locked>>
81%
35940
58%
**79
98%
[Baschieri & Pellagri 106]*
<<locked>>
81%
31517
51%
**18
92%
[Hodgdon Benchmark]*
<<locked>>
92%
37782
61%
**89
90%
[Hodgdon CFE BLK]*
<<locked>>
85%
41075
66%
**18
90%
[Hodgdon H322]*
<<locked>>
85%
29820
48%
**61
90%
[Hodgdon H335]*
<<locked>>
83%
32256
52%
**33
90%
[Hodgdon H4198]*
<<locked>>
81%
34998
56%
**00
92%
Hodgdon TrailBoss
<<locked>>
81%
23250
37%
**29
100%
[IMR 3031]*
<<locked>>
93%
28761
46%
**84
90%
IMR 4198
<<locked>>
81%
31154
50%
**71
96%
IMR 4227
<<locked>>
81%
42090
67%
**71
100%
Lovex D060
<<locked>>
81%
50270
81%
**58
100%
[Lovex D073.4]*
<<locked>>
89%
36767
59%
**12
90%
[Lovex D073.5]*
<<locked>>
91%
36622
59%
**18
90%
Lovex S053
<<locked>>
81%
41394
66%
**44
100%
Norma 200
<<locked>>
81%
31865
51%
**26
97%
[Norma 202]*
<<locked>>
92%
31546
51%
**30
90%
ReloadSwiss RS 14
<<locked>>
82%
23206
37%
**75
100%
ReloadSwiss RS 36
<<locked>>
81%
41597
67%
**94
100%
[ReloadSwiss RS 40]*
<<locked>>
89%
35317
57%
**89
90%
[Rottweil R 901]*
<<locked>>
89%
32082
51%
**07
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
37855
61%
**31
100%
[SNPE Vectan SP 10]*
<<locked>>
83%
32242
52%
**36
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
90%
31995
51%
**44
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
94%
29805
48%
**89
90%
Shooters World Buffalo Rifle
<<locked>>
81%
50270
81%
**58
100%
[Shooters World Tactical Rifle]*
<<locked>>
92%
42569
68%
**94
90%
[Somchem S321]*
<<locked>>
94%
39349
63%
**00
90%
[Somchem S335]*
<<locked>>
88%
29559
47%
**02
90%
Vihtavuori N110
<<locked>>
81%
48704
78%
**00
100%
Vihtavuori N120
<<locked>>
81%
32314
52%
**03
100%
[Vihtavuori N130]*
<<locked>>
81%
27006
43%
**36
93%
[Vihtavuori N133]*
<<locked>>
85%
25483
41%
**77
90%
[Vihtavuori N140]*
<<locked>>
94%
31604
51%
**87
90%
[Winchester 748]*
<<locked>>
94%
38928
62%
**04
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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