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Load data for .221 Rem. Fireball + .224 | 65gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2207, ReloadSwiss RS 36, Vihtavuori N120

.221 Rem. Fireball + .224 | 65gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 65gr | Sierra SBT GameKing
Manufacturer SKU:
1395
Bullet Weight:
65gr | 4.2g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.852" | 21.6mm
Caliber:
.221 Rem. Fireball load data
Case Length (l3):
1.397" | 35.5mm
Cartridge Length (C.O.L.):
1.803" | 45.8mm
Seated Depth:
0.446" | 11.3mm
Shank Seated Depth:
0.326" | 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_B5751_C125
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 34 loads in caliber .221 Rem. Fireball with .224 | 65gr | Sierra SBT GameKing bullet and 17 powders such as ADI AR 2207, ReloadSwiss RS 36, 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>>
93%
40045
86%
**49
100%
[ADI AR 2219]*
<<locked>>
96%
39494
85%
**26
93%
Accurate 1680
<<locked>>
85%
41133
89%
**90
95%
[Accurate 2015]*
<<locked>>
96%
31865
69%
**79
93%
[Alliant AR-Comp]*
<<locked>>
96%
29051
63%
**36
94%
Alliant Reloder-10x
<<locked>>
97%
35955
77%
**87
96%
Alliant Reloder-7
<<locked>>
92%
41147
89%
**13
98%
[Baschieri & Pellagri 106]*
<<locked>>
95%
40205
87%
**48
94%
[Hodgdon H4198]*
<<locked>>
93%
41292
89%
**54
93%
IMR 4198
<<locked>>
95%
38479
83%
**70
97%
IMR 4227
<<locked>>
85%
39566
85%
**38
99%
Lovex S053
<<locked>>
87%
40335
87%
**51
100%
Norma 200
<<locked>>
96%
40190
87%
**56
98%
ReloadSwiss RS 36 👍
<<locked>>
87%
40640
88%
**00
99%
SNPE Vectan BA6 1/2
<<locked>>
90%
41321
89%
**39
100%
Vihtavuori N120 👍
<<locked>>
96%
39784
86%
**03
100%
Vihtavuori N130
<<locked>>
95%
33562
72%
**65
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
27543
59%
**77
97%
[ADI AR 2219]*
<<locked>>
92%
35012
75%
**28
91%
[Accurate 1680]*
<<locked>>
81%
36492
79%
**98
93%
[Accurate 2015]*
<<locked>>
90%
26426
57%
**44
91%
[Alliant AR-Comp]*
<<locked>>
90%
24439
53%
**92
90%
[Alliant Reloder-10x]*
<<locked>>
85%
25063
54%
**11
91%
[Alliant Reloder-7]*
<<locked>>
81%
28645
62%
**47
94%
[Baschieri & Pellagri 106]*
<<locked>>
88%
32387
70%
**83
91%
[Hodgdon H4198]*
<<locked>>
87%
34534
74%
**20
90%
[IMR 4198]*
<<locked>>
81%
25527
55%
**49
92%
IMR 4227
<<locked>>
81%
35056
76%
**52
98%
Lovex S053
<<locked>>
81%
33721
73%
**26
100%
[Norma 200]*
<<locked>>
81%
24700
53%
**98
92%
ReloadSwiss RS 36
<<locked>>
81%
33765
73%
**69
98%
SNPE Vectan BA6 1/2
<<locked>>
81%
32314
70%
**92
100%
Vihtavuori N120
<<locked>>
81%
26020
56%
**01
98%
[Vihtavuori N130]*
<<locked>>
85%
24787
53%
**49
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.

<<locked>>... you need to buy an access license to unlock the data

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