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

Recommended Powder(s): Accurate 1680, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 55gr | Sierra Blitzking
Manufacturer SKU:
1455
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.790" | 20.1mm
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:
0.323" | 8.2mm
Shank Seated Depth:
0.323" | 8.2mm
Case Capacity:
28.8 Grains of Water | 1.87 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5739_C134
Last updated:
2025-02-02

Load data for 96 loads in caliber .223 Rem. (5.56 x 45 NATO) with .224 | 55gr | Sierra Blitzking bullet and 48 powders such as Accurate 1680, 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. 27.9 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 2205
<<locked>>
87%
60858
98%
**61
100%
ADI AR 2207
<<locked>>
97%
57203
92%
**05
100%
ADI AR 2219
<<locked>>
96%
52388
84%
**76
98%
Accurate 1680 👍
<<locked>>
90%
61279
98%
**32
100%
Accurate 2015
<<locked>>
96%
42279
68%
**69
98%
[Accurate 2230]*
<<locked>>
97%
48037
77%
**31
92%
[Accurate 2460]*
<<locked>>
97%
46746
75%
**35
94%
Accurate 2495
<<locked>>
97%
34592
55%
**00
96%
[Accurate 2520]*
<<locked>>
96%
37202
60%
**00
92%
Accurate 5744
<<locked>>
85%
61148
98%
**38
100%
Alliant AR-Comp
<<locked>>
96%
37536
60%
**43
99%
Alliant Reloder-10x 👍
<<locked>>
96%
47485
76%
**87
99%
Alliant Reloder-7 👍
<<locked>>
96%
59016
95%
**99
100%
Baschieri & Pellagri 106
<<locked>>
97%
53824
86%
**74
99%
[Hodgdon Benchmark]*
<<locked>>
97%
45339
73%
**66
93%
Hodgdon CFE BLK
<<locked>>
97%
61946
99%
**82
96%
Hodgdon H322
<<locked>>
96%
42351
68%
**92
96%
Hodgdon H335
<<locked>>
97%
52185
84%
**66
97%
Hodgdon H4198
<<locked>>
96%
56188
90%
**27
98%
Hodgdon TrailBoss
<<locked>>
93%
28253
45%
**64
100%
[IMR 3031]*
<<locked>>
97%
32953
53%
**22
93%
IMR 4198 👍
<<locked>>
96%
48486
78%
**61
100%
IMR 4227
<<locked>>
92%
60379
97%
**73
100%
Lovex D060
<<locked>>
87%
61148
98%
**38
100%
[Lovex D073.4]*
<<locked>>
96%
48109
77%
**45
94%
[Lovex D073.5]*
<<locked>>
97%
46746
75%
**35
94%
Lovex S053
<<locked>>
94%
61163
98%
**50
100%
Norma 200 👍
<<locked>>
97%
55390
89%
**99
100%
[Norma 202]*
<<locked>>
96%
36100
58%
**48
92%
ReloadSwiss RS 14
<<locked>>
93%
28065
45%
**06
100%
ReloadSwiss RS 36
<<locked>>
93%
61351
98%
**22
100%
ReloadSwiss RS 40
<<locked>>
96%
46586
75%
**45
95%
[Rottweil R 901]*
<<locked>>
96%
40625
65%
**20
94%
SNPE Vectan BA6 1/2
<<locked>>
96%
57406
92%
**30
100%
SNPE Vectan SP 10
<<locked>>
97%
53650
86%
**92
97%
[SNPE Vectan Tubal 3000]*
<<locked>>
96%
40089
64%
**41
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
96%
32285
52%
**67
92%
Shooters World Buffalo Rifle
<<locked>>
87%
61148
98%
**38
100%
[Shooters World Tactical Rifle]*
<<locked>>
96%
50821
81%
**51
93%
[Somchem S321]*
<<locked>>
97%
44918
72%
**22
93%
Somchem S335
<<locked>>
97%
39711
64%
**67
95%
Vihtavuori N110
<<locked>>
89%
61815
99%
**81
100%
Vihtavuori N120
<<locked>>
97%
53171
85%
**87
100%
Vihtavuori N130
<<locked>>
97%
44904
72%
**72
99%
Vihtavuori N133
<<locked>>
96%
36709
59%
**05
96%
[Vihtavuori N140]*
<<locked>>
97%
34867
56%
**92
92%
[Vihtavuori N530]*
<<locked>>
96%
43279
69%
**89
92%
[Winchester 748]*
<<locked>>
97%
43613
70%
**25
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
51300
82%
**36
100%
ADI AR 2207
<<locked>>
81%
35360
57%
**25
100%
[ADI AR 2219]*
<<locked>>
81%
31343
50%
**23
91%
Accurate 1680
<<locked>>
81%
45426
73%
**69
98%
[Accurate 2015]*
<<locked>>
81%
25933
42%
**59
92%
[Accurate 2230]*
<<locked>>
93%
42221
68%
**23
90%
[Accurate 2460]*
<<locked>>
89%
36013
58%
**15
90%
[Accurate 2495]*
<<locked>>
86%
23743
38%
**82
90%
[Accurate 2520]*
<<locked>>
94%
33953
54%
**28
91%
Accurate 5744
<<locked>>
81%
53940
86%
**33
100%
[Alliant AR-Comp]*
<<locked>>
81%
23540
38%
**13
92%
Alliant Reloder-10x
<<locked>>
81%
29225
47%
**77
95%
Alliant Reloder-7
<<locked>>
81%
37072
59%
**12
98%
[Baschieri & Pellagri 106]*
<<locked>>
81%
32169
52%
**48
93%
[Hodgdon Benchmark]*
<<locked>>
92%
38609
62%
**22
91%
[Hodgdon CFE BLK]*
<<locked>>
83%
39610
64%
**99
90%
[Hodgdon H322]*
<<locked>>
85%
30139
48%
**80
91%
[Hodgdon H335]*
<<locked>>
82%
31647
51%
**23
90%
[Hodgdon H4198]*
<<locked>>
81%
35201
56%
**17
93%
Hodgdon TrailBoss
<<locked>>
82%
23482
38%
**42
100%
[IMR 3031]*
<<locked>>
92%
28979
46%
**00
91%
IMR 4198
<<locked>>
81%
31604
51%
**87
97%
IMR 4227
<<locked>>
81%
42598
68%
**94
100%
Lovex D060
<<locked>>
81%
51576
83%
**87
100%
[Lovex D073.4]*
<<locked>>
89%
36767
59%
**22
90%
[Lovex D073.5]*
<<locked>>
90%
36013
58%
**15
90%
Lovex S053
<<locked>>
81%
41771
67%
**54
100%
Norma 200
<<locked>>
81%
32996
53%
**62
97%
[Norma 202]*
<<locked>>
92%
31691
51%
**36
90%
ReloadSwiss RS 14
<<locked>>
82%
23366
37%
**88
100%
ReloadSwiss RS 36
<<locked>>
81%
41785
67%
**13
100%
[ReloadSwiss RS 40]*
<<locked>>
87%
34693
56%
**82
90%
[Rottweil R 901]*
<<locked>>
88%
31720
51%
**00
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
39233
63%
**64
100%
[SNPE Vectan SP 10]*
<<locked>>
82%
32489
52%
**49
91%
[SNPE Vectan Tubal 3000]*
<<locked>>
89%
32300
52%
**61
91%
[SNPE Vectan Tubal 5000]*
<<locked>>
93%
29588
47%
**89
90%
Shooters World Buffalo Rifle
<<locked>>
81%
51576
83%
**87
100%
[Shooters World Tactical Rifle]*
<<locked>>
91%
42525
68%
**07
91%
[Somchem S321]*
<<locked>>
93%
39436
63%
**13
91%
[Somchem S335]*
<<locked>>
86%
28558
46%
**85
90%
Vihtavuori N110
<<locked>>
81%
49066
79%
**17
100%
Vihtavuori N120
<<locked>>
81%
32837
53%
**23
100%
[Vihtavuori N130]*
<<locked>>
81%
27862
45%
**69
94%
[Vihtavuori N133]*
<<locked>>
84%
25048
40%
**80
90%
[Vihtavuori N140]*
<<locked>>
93%
30763
49%
**77
90%
[Vihtavuori N530]*
<<locked>>
94%
39639
64%
**07
90%
[Winchester 748]*
<<locked>>
93%
38769
62%
**13
91%

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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