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Load data for .221 Rem. Fireball + .224 | 55gr | Speer TBBC

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

.221 Rem. Fireball + .224 | 55gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 55gr | Speer TBBC
Manufacturer SKU:
1725
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.727" | 18.5mm
Caliber:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.803" | 45.8mm
Seated Depth:
0.321" | 8.2mm
Shank Seated Depth:
0.321" | 8.2mm
Case Capacity:
22.0 Grains of Water | 1.43 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B6065_C125
Last updated:
2025-01-01

Load data for 26 loads in caliber .221 Rem. Fireball with .224 | 55gr | Speer TBBC bullet and 13 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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  • 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 2207 👍
<<locked>>
96%
40089
86%
**76
99%
[Accurate 1680]*
<<locked>>
86%
40567
87%
**90
93%
[Alliant Reloder-10x]*
<<locked>>
96%
33069
71%
**28
93%
Alliant Reloder-7
<<locked>>
94%
40132
86%
**13
96%
IMR 4198
<<locked>>
95%
36376
78%
**28
95%
IMR 4227
<<locked>>
89%
41147
89%
**90
98%
Lovex S053
<<locked>>
89%
40524
87%
**87
100%
Norma 200
<<locked>>
96%
36825
79%
**03
95%
ReloadSwiss RS 14
<<locked>>
96%
26672
57%
**45
100%
ReloadSwiss RS 36
<<locked>>
89%
39871
86%
**13
98%
SNPE Vectan BA6 1/2
<<locked>>
92%
40683
88%
**62
100%
Vihtavuori N110
<<locked>>
83%
39885
86%
**28
100%
Vihtavuori N120 👍
<<locked>>
97%
37971
82%
**97
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2207]*
<<locked>>
81%
25295
55%
**08
94%
[Accurate 1680]*
<<locked>>
81%
34243
74%
**49
90%
[Alliant Reloder-10x]*
<<locked>>
91%
27818
60%
**87
90%
[Alliant Reloder-7]*
<<locked>>
81%
27093
58%
**98
90%
[IMR 4198]*
<<locked>>
85%
27369
59%
**88
90%
IMR 4227
<<locked>>
81%
32547
70%
**07
96%
Lovex S053
<<locked>>
81%
32198
69%
**10
99%
[Norma 200]*
<<locked>>
85%
25773
56%
**28
90%
ReloadSwiss RS 14
<<locked>>
86%
22640
49%
**50
100%
ReloadSwiss RS 36
<<locked>>
81%
31850
69%
**33
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
30443
66%
**72
100%
Vihtavuori N110
<<locked>>
81%
37507
81%
**85
100%
Vihtavuori N120
<<locked>>
81%
24134
52%
**36
95%

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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