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Load data for .221 Rem. Fireball + .224 | 53gr | Sierra HP MatchKing

Recommended Powder(s): ADI AR 2207, Lovex S053

.221 Rem. Fireball + .224 | 53gr | Sierra HP MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 53gr | Sierra HP MatchKing
Manufacturer SKU:
1400
Bullet Weight:
53gr | 3.4g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.698" | 17.7mm
Caliber:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.803" | 45.8mm
Seated Depth:
0.292" | 7.4mm
Shank Seated Depth:
0.292" | 7.4mm
Case Capacity:
22.0 Grains of Water | 1.43 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B5737_C125
Last updated:
2025-01-01

Load data for 26 loads in caliber .221 Rem. Fireball with .224 | 53gr | Sierra HP MatchKing bullet and 13 powders such as ADI AR 2207, 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 2207 👍
<<locked>>
96%
38479
83%
**08
99%
[Accurate 1680]*
<<locked>>
87%
41118
89%
**56
92%
Alliant Reloder-7
<<locked>>
95%
40654
88%
**79
96%
Hodgdon TrailBoss
<<locked>>
96%
26977
58%
**45
100%
IMR 4198
<<locked>>
97%
36999
80%
**97
95%
IMR 4227
<<locked>>
89%
40959
88%
**46
98%
Lovex S053 👍
<<locked>>
91%
41481
89%
**59
100%
Norma 200
<<locked>>
97%
36753
79%
**66
95%
ReloadSwiss RS 14
<<locked>>
92%
24671
53%
**45
100%
ReloadSwiss RS 36
<<locked>>
90%
40756
88%
**85
98%
SNPE Vectan BA6 1/2
<<locked>>
92%
39639
85%
**02
100%
Vihtavuori N110
<<locked>>
85%
41031
88%
**10
100%
Vihtavuori N120
<<locked>>
96%
36332
78%
**17
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2207]*
<<locked>>
81%
24207
52%
**25
93%
[Accurate 1680]*
<<locked>>
84%
36869
79%
**67
91%
[Alliant Reloder-7]*
<<locked>>
82%
27427
59%
**61
90%
Hodgdon TrailBoss
<<locked>>
86%
22931
49%
**50
100%
[IMR 4198]*
<<locked>>
87%
28021
60%
**61
90%
IMR 4227
<<locked>>
81%
32460
70%
**56
95%
Lovex S053
<<locked>>
81%
31140
67%
**36
98%
[Norma 200]*
<<locked>>
86%
26020
56%
**84
90%
ReloadSwiss RS 14
<<locked>>
82%
20929
45%
**47
100%
[ReloadSwiss RS 36]*
<<locked>>
81%
30676
66%
**56
94%
SNPE Vectan BA6 1/2
<<locked>>
81%
29472
63%
**08
100%
Vihtavuori N110
<<locked>>
81%
36434
78%
**25
100%
[Vihtavuori N120]*
<<locked>>
81%
23134
50%
**56
94%

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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