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

Recommended Powder(s): ADI AR 2207, Alliant Reloder-10x, Alliant Reloder-7, IMR 4198, Norma 200

.223 Rem. (5.56 x 45 NATO) + .224 | 55gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 55gr | Hornady GMX
Manufacturer SKU:
22273
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.822" | 20.9mm
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:
0.355" | 9.0mm
Shank Seated Depth:
0.295" | 7.5mm
Case Capacity:
28.8 Grains of Water | 1.87 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2516_C134
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 88 loads in caliber .223 Rem. (5.56 x 45 NATO) with .224 | 55gr | Hornady GMX bullet and 44 powders such as ADI AR 2207, 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>>
84%
55898
90%
**92
100%
ADI AR 2207 👍
<<locked>>
95%
55042
88%
**66
100%
ADI AR 2219
<<locked>>
97%
52649
84%
**79
98%
Accurate 1680
<<locked>>
86%
54027
87%
**14
99%
Accurate 2015
<<locked>>
96%
42395
68%
**59
98%
[Accurate 2230]*
<<locked>>
96%
46137
74%
**92
91%
[Accurate 2460]*
<<locked>>
96%
45107
72%
**02
93%
Accurate 2495
<<locked>>
96%
33373
54%
**58
95%
Alliant AR-Comp
<<locked>>
96%
37652
60%
**43
99%
Alliant Reloder-10x 👍
<<locked>>
97%
47543
76%
**87
99%
Alliant Reloder-7 👍
<<locked>>
94%
54259
87%
**30
100%
Baschieri & Pellagri 106
<<locked>>
96%
52243
84%
**45
98%
[Hodgdon Benchmark]*
<<locked>>
96%
43642
70%
**20
92%
Hodgdon CFE BLK
<<locked>>
93%
54984
88%
**74
95%
Hodgdon H322
<<locked>>
96%
42482
68%
**92
96%
Hodgdon H335
<<locked>>
97%
52562
84%
**69
97%
Hodgdon H4198
<<locked>>
95%
53824
86%
**87
98%
Hodgdon TrailBoss
<<locked>>
96%
29501
47%
**86
100%
[IMR 3031]*
<<locked>>
97%
33040
53%
**22
93%
IMR 4198 👍
<<locked>>
96%
48472
78%
**54
100%
IMR 4227
<<locked>>
90%
55492
89%
**97
100%
[Lovex D073.4]*
<<locked>>
97%
49414
79%
**61
94%
[Lovex D073.5]*
<<locked>>
97%
45977
74%
**15
94%
Lovex S053
<<locked>>
90%
53940
86%
**48
100%
Norma 200 👍
<<locked>>
96%
53258
85%
**53
100%
[Norma 202]*
<<locked>>
96%
36230
58%
**48
92%
ReloadSwiss RS 14
<<locked>>
96%
29240
47%
**29
100%
ReloadSwiss RS 36
<<locked>>
89%
54099
87%
**17
100%
ReloadSwiss RS 40
<<locked>>
97%
46789
75%
**45
95%
[Rottweil R 901]*
<<locked>>
96%
40132
64%
**07
94%
SNPE Vectan BA6 1/2
<<locked>>
94%
54984
88%
**97
100%
SNPE Vectan SP 10
<<locked>>
96%
51517
83%
**50
97%
[SNPE Vectan Tubal 3000]*
<<locked>>
96%
40161
64%
**38
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
96%
32401
52%
**67
92%
[Shooters World Tactical Rifle]*
<<locked>>
96%
51213
82%
**54
93%
[Somchem S321]*
<<locked>>
96%
43018
69%
**82
92%
[Somchem S335]*
<<locked>>
96%
38014
61%
**25
94%
Vihtavuori N110
<<locked>>
84%
53635
86%
**79
100%
Vihtavuori N120
<<locked>>
97%
53214
85%
**84
100%
Vihtavuori N130
<<locked>>
97%
45005
72%
**69
99%
Vihtavuori N133
<<locked>>
97%
36738
59%
**02
96%
[Vihtavuori N140]*
<<locked>>
96%
33765
54%
**49
92%
[Vihtavuori N530]*
<<locked>>
97%
43497
70%
**82
92%
[Winchester 748]*
<<locked>>
96%
42337
68%
**86
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
51561
83%
**33
100%
ADI AR 2207
<<locked>>
81%
35360
57%
**18
100%
[ADI AR 2219]*
<<locked>>
81%
31328
50%
**17
91%
Accurate 1680
<<locked>>
81%
45614
73%
**69
97%
[Accurate 2015]*
<<locked>>
81%
25817
41%
**49
92%
[Accurate 2230]*
<<locked>>
93%
42525
68%
**17
90%
[Accurate 2460]*
<<locked>>
90%
35998
58%
**15
90%
[Accurate 2495]*
<<locked>>
86%
24091
39%
**85
90%
[Alliant AR-Comp]*
<<locked>>
81%
23612
38%
**10
92%
Alliant Reloder-10x
<<locked>>
81%
29414
47%
**71
95%
Alliant Reloder-7
<<locked>>
81%
36956
59%
**05
98%
[Baschieri & Pellagri 106]*
<<locked>>
81%
32387
52%
**48
93%
[Hodgdon Benchmark]*
<<locked>>
92%
38711
62%
**18
91%
[Hodgdon CFE BLK]*
<<locked>>
85%
41118
66%
**22
90%
[Hodgdon H322]*
<<locked>>
85%
30110
48%
**74
90%
[Hodgdon H335]*
<<locked>>
82%
31879
51%
**26
90%
[Hodgdon H4198]*
<<locked>>
81%
35244
57%
**10
93%
Hodgdon TrailBoss
<<locked>>
80%
23061
37%
**26
100%
[IMR 3031]*
<<locked>>
93%
29008
47%
**94
91%
IMR 4198
<<locked>>
81%
31575
51%
**80
96%
IMR 4227
<<locked>>
81%
42424
68%
**81
100%
[Lovex D073.4]*
<<locked>>
89%
37710
60%
**38
91%
[Lovex D073.5]*
<<locked>>
91%
36985
59%
**35
91%
Lovex S053
<<locked>>
81%
41959
67%
**51
100%
Norma 200
<<locked>>
81%
33098
53%
**59
97%
[Norma 202]*
<<locked>>
92%
31763
51%
**36
90%
ReloadSwiss RS 14
<<locked>>
81%
22960
37%
**72
100%
ReloadSwiss RS 36
<<locked>>
81%
42076
67%
**04
100%
[ReloadSwiss RS 40]*
<<locked>>
88%
34751
56%
**79
90%
[Rottweil R 901]*
<<locked>>
89%
32343
52%
**17
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
39088
63%
**57
100%
[SNPE Vectan SP 10]*
<<locked>>
82%
32503
52%
**46
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
89%
32285
52%
**54
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
94%
29820
48%
**92
90%
[Shooters World Tactical Rifle]*
<<locked>>
91%
42728
69%
**97
90%
[Somchem S321]*
<<locked>>
93%
39682
64%
**07
91%
[Somchem S335]*
<<locked>>
88%
29820
48%
**12
91%
Vihtavuori N110
<<locked>>
81%
49182
79%
**10
100%
Vihtavuori N120
<<locked>>
81%
32808
53%
**17
100%
[Vihtavuori N130]*
<<locked>>
81%
28036
45%
**69
94%
[Vihtavuori N133]*
<<locked>>
84%
25237
40%
**70
90%
[Vihtavuori N140]*
<<locked>>
93%
31024
50%
**80
90%
[Vihtavuori N530]*
<<locked>>
94%
39798
64%
**07
90%
[Winchester 748]*
<<locked>>
93%
39015
63%
**17
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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