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Load data for .221 Rem. Fireball + .224 | 55gr | Hornady SP SX

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Recommended Powder(s): ADI AR 2207, Vihtavuori N120

.221 Rem. Fireball + .224 | 55gr | Hornady SP SX

Load Specifications

Bullet:
.224 | 55gr | Hornady S SX
Manufacturer SKU:
2260
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.630" | 16.0mm
Caliber:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.803" | 45.8mm
Seated Depth:
0.224" | 5.7mm
Shank Seated Depth:
0.224" | 5.7mm
Case Capacity:
22.0 Grains of Water | 1.43 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B2519_C125
Last updated:
2025-01-01

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 30 loads in caliber .221 Rem. Fireball with .224 | 55gr | Hornady S SX bullet and 15 powders such as ADI AR 2207, Vihtavuori N120. 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 2207 👍
<<locked>>
95%
40828
88%
**25
99%
[Accurate 1680]*
<<locked>>
84%
39798
86%
**10
93%
[Alliant Reloder-10x]*
<<locked>>
97%
35447
76%
**13
94%
Alliant Reloder-7
<<locked>>
94%
41640
90%
**72
97%
[Baschieri & Pellagri 106]*
<<locked>>
97%
41307
89%
**03
93%
Hodgdon TrailBoss
<<locked>>
96%
27253
59%
**32
100%
IMR 4198
<<locked>>
96%
38653
83%
**17
96%
IMR 4227
<<locked>>
87%
40814
88%
**13
98%
Lovex S053
<<locked>>
89%
41408
89%
**30
100%
Norma 200
<<locked>>
97%
40219
87%
**08
97%
ReloadSwiss RS 14
<<locked>>
96%
27006
58%
**78
100%
ReloadSwiss RS 36
<<locked>>
88%
40741
88%
**56
98%
SNPE Vectan BA6 1/2
<<locked>>
91%
40828
88%
**89
100%
Vihtavuori N120 👍
<<locked>>
96%
38508
83%
**36
100%
[Vihtavuori N130]*
<<locked>>
97%
33953
73%
**12
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
25991
56%
**57
95%
[Accurate 1680]*
<<locked>>
81%
35737
77%
**21
92%
[Alliant Reloder-10x]*
<<locked>>
88%
26600
57%
**84
90%
[Alliant Reloder-7]*
<<locked>>
81%
28340
61%
**67
92%
[Baschieri & Pellagri 106]*
<<locked>>
92%
35752
77%
**85
91%
Hodgdon TrailBoss
<<locked>>
90%
25237
54%
**86
100%
[IMR 4198]*
<<locked>>
83%
26542
57%
**95
91%
IMR 4227
<<locked>>
81%
34418
74%
**82
97%
Lovex S053
<<locked>>
81%
33040
71%
**56
99%
[Norma 200]*
<<locked>>
83%
25831
56%
**54
91%
ReloadSwiss RS 14
<<locked>>
86%
23105
50%
**83
100%
ReloadSwiss RS 36
<<locked>>
81%
32648
70%
**82
96%
SNPE Vectan BA6 1/2
<<locked>>
80%
30734
66%
**02
100%
Vihtavuori N120
<<locked>>
81%
24700
53%
**82
96%
[Vihtavuori N130]*
<<locked>>
90%
27369
59%
**38
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.

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