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Load data for .221 Rem. Fireball + .224 | 55gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Lovex S053

.221 Rem. Fireball + .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:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.803" | 45.8mm
Seated Depth:
0.462" | 11.7mm
Shank Seated Depth:
0.329" | 8.3mm
Case Capacity:
22.0 Grains of Water | 1.43 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B11001_C125
Last updated:
2025-11-05
Recommended Twist Rate:
1:9 - 1:8

Load data for 32 loads in caliber .221 Rem. Fireball with .224 | 55gr | Lehigh Defense Controlled Chaos bullet and 16 powders such as Lovex S053. 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%
41713
90%
**82
100%
ADI AR 2207
<<locked>>
97%
37202
80%
**87
98%
[Accurate 1680]*
<<locked>>
88%
40466
87%
**48
92%
Alliant Reloder-7
<<locked>>
96%
39798
86%
**74
95%
Hodgdon TrailBoss
<<locked>>
96%
26440
57%
**70
100%
[IMR 4198]*
<<locked>>
96%
34737
75%
**56
93%
IMR 4227
<<locked>>
90%
40596
87%
**48
97%
Lovex D060
<<locked>>
83%
41162
89%
**64
96%
Lovex S053 👍
<<locked>>
92%
40814
88%
**61
100%
[Norma 200]*
<<locked>>
96%
33562
72%
**08
94%
ReloadSwiss RS 14
<<locked>>
97%
26107
56%
**13
100%
ReloadSwiss RS 36
<<locked>>
92%
40625
88%
**94
97%
SNPE Vectan BA6 1/2
<<locked>>
95%
40959
88%
**43
100%
Shooters World Buffalo Rifle
<<locked>>
83%
41162
89%
**64
96%
Vihtavuori N110
<<locked>>
86%
41017
88%
**21
100%
Vihtavuori N120
<<locked>>
97%
35157
76%
**05
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
38218
82%
**16
99%
[ADI AR 2207]*
<<locked>>
81%
23714
51%
**23
92%
[Accurate 1680]*
<<locked>>
86%
36869
79%
**79
90%
[Alliant Reloder-7]*
<<locked>>
85%
28427
61%
**11
90%
Hodgdon TrailBoss
<<locked>>
93%
25280
54%
**44
100%
[IMR 4198]*
<<locked>>
90%
29211
63%
**11
91%
[IMR 4227]*
<<locked>>
81%
30734
66%
**25
94%
Lovex D060
<<locked>>
81%
38754
83%
**18
95%
Lovex S053
<<locked>>
81%
29124
63%
**05
97%
[Norma 200]*
<<locked>>
89%
27093
58%
**41
90%
ReloadSwiss RS 14
<<locked>>
91%
24076
52%
**63
100%
[ReloadSwiss RS 36]*
<<locked>>
81%
29080
63%
**31
93%
SNPE Vectan BA6 1/2
<<locked>>
81%
28123
61%
**97
100%
Shooters World Buffalo Rifle
<<locked>>
81%
38754
83%
**18
95%
Vihtavuori N110
<<locked>>
81%
34809
75%
**10
100%
[Vihtavuori N120]*
<<locked>>
81%
22524
49%
**54
93%

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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