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Load data for .223 Rem. (5.56 x 45 NATO) + .224 | 55gr | Sierra SP BlitzKing

Recommended Powder(s): ADI AR 2219, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200

.223 Rem. (5.56 x 45 NATO) + .224 | 55gr | Sierra SP BlitzKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 55gr | Sierra SP BlitzKing
Manufacturer SKU:
1445
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.722" | 18.3mm
Caliber:
.223 Rem. (5.56 x 45 NATO) load data
Case Length (l3):
1.759" | 44.7mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.255" | 6.5mm
Shank Seated Depth:
0.255" | 6.5mm
Case Capacity:
28.8 Grains of Water | 1.87 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5745_C134
Last updated:
2025-02-02

Load data for 98 loads in caliber .223 Rem. (5.56 x 45 NATO) with .224 | 55gr | Sierra SP BlitzKing bullet and 49 powders such as ADI AR 2219, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 29.1 fps

  • .

    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
95%
89%
100%
ADI AR 2219
97%
88%
99%
Accurate 1680
86%
90%
99%
Accurate 2015
96%
70%
98%
Accurate 2230
97%
79%
93%
Accurate 2460
97%
77%
95%
Accurate 2495
96%
57%
96%
Accurate 2520
97%
63%
93%
Alliant AR-Comp
97%
64%
99%
Alliant Reloder-10x
96%
78%
100%
Alliant Reloder-7
93%
88%
100%
Baschieri & Pellagri 106
97%
89%
99%
Hodgdon Benchmark
96%
73%
94%
Hodgdon CFE BLK
93%
90%
95%
Hodgdon H322
97%
72%
97%
Hodgdon H335
96%
86%
98%
Hodgdon H4198
94%
88%
98%
Hodgdon TrailBoss
96%
48%
100%
IMR 3031
96%
54%
94%
IMR 4198
97%
82%
100%
IMR 4227
88%
86%
100%
IMR 8208 XBR
96%
68%
91%
Lovex D073.4
96%
82%
95%
Lovex D073.5
96%
76%
95%
Lovex S053
90%
88%
100%
Norma 200
96%
90%
100%
Norma 202
97%
61%
94%
Ramshot X-Terminator
97%
77%
91%
ReloadSwiss RS 14
96%
48%
100%
ReloadSwiss RS 36
89%
90%
100%
ReloadSwiss RS 40
96%
77%
95%
Rottweil R 901
96%
67%
94%
SNPE Vectan BA6 1/2
93%
88%
100%
SNPE Vectan SP 10
97%
88%
98%
SNPE Vectan Tubal 3000
96%
65%
94%
SNPE Vectan Tubal 5000
96%
53%
93%
Shooters World Tactical Rifle
96%
85%
94%
Somchem S321
97%
74%
93%
Somchem S335
96%
64%
95%
Vihtavuori N110
84%
88%
100%
Vihtavuori N120
96%
87%
100%
Vihtavuori N130
96%
73%
99%
Vihtavuori N133
96%
60%
96%
Vihtavuori N135
96%
45%
92%
Vihtavuori N140
97%
58%
93%
Vihtavuori N530
96%
72%
93%
Vihtavuori N540
96%
56%
92%
Winchester 748
97%
72%
93%
Winchester StaBALL Match
97%
80%
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
36289
58%
**54
100%
[ADI AR 2219]*
<<locked>>
81%
31937
51%
**49
92%
Accurate 1680
<<locked>>
81%
47181
76%
**18
98%
[Accurate 2015]*
<<locked>>
81%
27282
44%
**05
93%
[Accurate 2230]*
<<locked>>
92%
41466
66%
**20
90%
[Accurate 2460]*
<<locked>>
88%
35752
57%
**22
90%
[Accurate 2495]*
<<locked>>
85%
23525
38%
**79
90%
[Accurate 2520]*
<<locked>>
92%
32996
53%
**05
90%
[Alliant AR-Comp]*
<<locked>>
81%
24149
39%
**52
93%
Alliant Reloder-10x
<<locked>>
81%
30008
48%
**03
95%
Alliant Reloder-7
<<locked>>
81%
37826
61%
**41
98%
[Baschieri & Pellagri 106]*
<<locked>>
81%
33330
53%
**87
94%
[Hodgdon Benchmark]*
<<locked>>
90%
37594
60%
**12
91%
[Hodgdon CFE BLK]*
<<locked>>
82%
39189
63%
**02
90%
[Hodgdon H322]*
<<locked>>
83%
29443
47%
**71
90%
[Hodgdon H335]*
<<locked>>
81%
31488
50%
**36
90%
[Hodgdon H4198]*
<<locked>>
81%
35955
58%
**49
93%
Hodgdon TrailBoss
<<locked>>
81%
23511
38%
**55
100%
[IMR 3031]*
<<locked>>
89%
27383
44%
**57
90%
IMR 4198
<<locked>>
81%
32430
52%
**26
97%
IMR 4227
<<locked>>
81%
43598
70%
**23
100%
[IMR 8208 XBR]*
<<locked>>
94%
38725
62%
**84
90%
[Lovex D073.4]*
<<locked>>
87%
35839
57%
**15
90%
[Lovex D073.5]*
<<locked>>
88%
35027
56%
**05
90%
Lovex S053
<<locked>>
81%
42844
69%
**84
100%
Norma 200
<<locked>>
81%
33750
54%
**89
97%
[Norma 202]*
<<locked>>
90%
30922
50%
**33
90%
[Ramshot X-Terminator]*
<<locked>>
94%
44657
72%
**59
90%
ReloadSwiss RS 14
<<locked>>
82%
23496
38%
**98
100%
ReloadSwiss RS 36
<<locked>>
81%
43787
70%
**59
100%
[ReloadSwiss RS 40]*
<<locked>>
86%
34563
55%
**95
90%
[Rottweil R 901]*
<<locked>>
87%
31024
50%
**94
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
39334
63%
**77
100%
[SNPE Vectan SP 10]*
<<locked>>
81%
32416
52%
**56
91%
[SNPE Vectan Tubal 3000]*
<<locked>>
88%
31415
50%
**48
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
92%
28993
46%
**82
90%
[Shooters World Tactical Rifle]*
<<locked>>
89%
41307
66%
**94
90%
[Somchem S321]*
<<locked>>
91%
37391
60%
**77
90%
[Somchem S335]*
<<locked>>
85%
27920
45%
**75
90%
Vihtavuori N110
<<locked>>
81%
50546
81%
**49
100%
Vihtavuori N120
<<locked>>
81%
33794
54%
**56
100%
[Vihtavuori N130]*
<<locked>>
81%
28732
46%
**08
94%
[Vihtavuori N133]*
<<locked>>
82%
24801
40%
**77
90%
[Vihtavuori N135]*
<<locked>>
94%
25614
41%
**72
90%
[Vihtavuori N140]*
<<locked>>
92%
30719
49%
**94
91%
[Vihtavuori N530]*
<<locked>>
93%
39508
63%
**20
91%
[Vihtavuori N540]*
<<locked>>
93%
32126
52%
**56
91%
[Winchester 748]*
<<locked>>
91%
36811
59%
**81
90%
[Winchester StaBALL Match]*
<<locked>>
92%
42119
68%
**79
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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