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Load data for .221 Rem. Fireball + .223 | 40gr | Sierra SP HORNET

Recommended Powder(s): Lovex S053

.221 Rem. Fireball + .223 | 40gr | Sierra SP HORNET

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.223 | 40gr | Sierra SP HORNET
Manufacturer SKU:
1100
Bullet Weight:
40gr | 2.6g
Bullet Diameter:
0.223" | 5.66mm
Bullet Length:
0.490" | 12.4mm
Caliber:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.765" | 44.8mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
22.0 Grains of Water | 1.43 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B5724_C125
Last updated:
2025-02-02

Load data for 24 loads in caliber .221 Rem. Fireball with .223 | 40gr | Sierra SP HORNET bullet and 12 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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    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>>
85%
39987
86%
**31
98%
ADI AR 2207
<<locked>>
96%
34316
74%
**87
95%
Hodgdon TrailBoss
<<locked>>
96%
25309
55%
**28
100%
IMR 4227
<<locked>>
93%
41031
88%
**30
95%
[Lovex D060]*
<<locked>>
84%
39755
86%
**17
92%
Lovex S053 👍
<<locked>>
95%
41133
89%
**63
99%
ReloadSwiss RS 14
<<locked>>
96%
24758
53%
**77
100%
ReloadSwiss RS 36
<<locked>>
94%
40886
88%
**73
95%
SNPE Vectan BA6 1/2
<<locked>>
95%
38116
82%
**92
100%
[Shooters World Buffalo Rifle]*
<<locked>>
84%
39755
86%
**17
92%
Vihtavuori N110
<<locked>>
88%
40059
86%
**27
100%
Vihtavuori N120
<<locked>>
97%
32793
71%
**05
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
35926
77%
**33
97%
[ADI AR 2207]*
<<locked>>
88%
26397
57%
**35
90%
Hodgdon TrailBoss
<<locked>>
81%
20059
43%
**73
100%
[IMR 4227]*
<<locked>>
83%
29878
64%
**44
91%
[Lovex D060]*
<<locked>>
81%
35911
77%
**18
91%
[Lovex S053]*
<<locked>>
81%
26963
58%
**89
94%
ReloadSwiss RS 14
<<locked>>
82%
19682
42%
**23
100%
[ReloadSwiss RS 36]*
<<locked>>
84%
29805
64%
**84
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
26179
56%
**94
100%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
35911
77%
**18
91%
Vihtavuori N110
<<locked>>
81%
31937
69%
**33
100%
[Vihtavuori N120]*
<<locked>>
86%
24091
52%
**10
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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