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Load data for .220 Howell + .224 | 55gr | Hornady GMX

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Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-26, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

.220 Howell + .224 | 55gr | Hornady GMX

Load Specifications

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:
.220 Howell load data
Case Length (l3):
2.395" | 60.8mm
Cartridge Length (C.O.L.):
3.054" | 77.6mm
Seated Depth:
0.163" | 4.2mm
Shank Seated Depth:
0.104" | 2.6mm
Case Capacity:
62.0 Grains of Water | 4.03 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58015 psi | 4000 bar
LID:
LID_B2516_C118
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 114 loads in caliber .220 Howell with .224 | 55gr | Hornady GMX bullet and 57 powders such as Alliant Reloder-16, Alliant Reloder-26, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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 2209
<<locked>>
92%
51677
89%
**04
95%
[ADI AR 2213]*
<<locked>>
95%
51866
89%
**20
94%
Accurate 3100
<<locked>>
95%
51329
88%
**35
98%
Accurate 4350
<<locked>>
87%
51619
89%
**07
99%
Alliant Reloder-16 👍
<<locked>>
88%
51532
89%
**70
100%
Alliant Reloder-17
<<locked>>
84%
52214
90%
**79
100%
Alliant Reloder-19
<<locked>>
93%
51996
90%
**10
96%
Alliant Reloder-22
<<locked>>
95%
51459
89%
**33
96%
Alliant Reloder-23
<<locked>>
97%
51068
88%
**17
100%
Alliant Reloder-25
<<locked>>
97%
44222
76%
**89
97%
Alliant Reloder-26 👍
<<locked>>
93%
51184
88%
**89
99%
Hodgdon H414
<<locked>>
83%
51358
89%
**07
97%
Hodgdon H4350
<<locked>>
90%
52025
90%
**71
97%
[Hodgdon H4831]*
<<locked>>
97%
50343
87%
**35
93%
[Hodgdon H4831 SC]*
<<locked>>
94%
51314
88%
**48
93%
Hodgdon Hybrid 100V
<<locked>>
90%
51517
89%
**74
100%
Hodgdon LVR
<<locked>>
85%
51387
89%
**04
99%
Hodgdon Superperformance
<<locked>>
85%
51605
89%
**27
97%
Hodgdon TrailBoss
<<locked>>
96%
34461
59%
**79
100%
IMR 4166 Enduron
<<locked>>
83%
51735
89%
**51
97%
IMR 4350
<<locked>>
88%
51822
89%
**61
97%
IMR 4451 Enduron
<<locked>>
84%
52040
90%
**71
97%
IMR 4831
<<locked>>
92%
51735
89%
**81
99%
[IMR 4955 Enduron]*
<<locked>>
95%
51764
89%
**38
94%
[IMR 7828 SSC]*
<<locked>>
94%
51576
89%
**40
94%
Lovex S065
<<locked>>
86%
52098
90%
**58
98%
Lovex S070
<<locked>>
87%
51938
90%
**74
97%
Lovex S071
<<locked>>
97%
45237
78%
**20
97%
Norma 204
<<locked>>
88%
52112
90%
**88
95%
Norma MRP
<<locked>>
94%
51619
89%
**60
97%
Norma URP
<<locked>>
88%
51808
89%
**10
99%
Ramshot Hunter
<<locked>>
88%
51547
89%
**04
98%
Ramshot Magnum
<<locked>>
96%
52199
90%
**07
97%
ReloadSwiss RS 14
<<locked>>
97%
35389
61%
**41
100%
ReloadSwiss RS 60
<<locked>>
85%
51430
89%
**83
100%
ReloadSwiss RS 62
<<locked>>
87%
51488
89%
**04
99%
ReloadSwiss RS 70 👍
<<locked>>
88%
51808
89%
**70
99%
ReloadSwiss RS 76
<<locked>>
97%
43555
75%
**99
95%
[Rottweil R 904]*
<<locked>>
92%
52112
90%
**61
94%
Rottweil R 905
<<locked>>
93%
51329
88%
**91
96%
Rottweil R 907
<<locked>>
85%
51401
89%
**42
96%
SNPE Vectan Tubal 7000
<<locked>>
86%
51285
88%
**92
97%
Shooters World Long Rifle
<<locked>>
86%
52098
90%
**58
98%
[Somchem S361]*
<<locked>>
90%
51764
89%
**92
93%
Somchem S365
<<locked>>
90%
51996
90%
**20
100%
Somchem S385
<<locked>>
93%
52040
90%
**68
97%
Vihtavuori N135
<<locked>>
84%
51764
89%
**12
100%
Vihtavuori N150
<<locked>>
87%
51619
89%
**28
100%
Vihtavuori N160
<<locked>>
85%
51561
89%
**71
99%
Vihtavuori N165
<<locked>>
97%
49893
86%
**92
96%
Vihtavuori N550
<<locked>>
85%
51634
89%
**01
99%
Vihtavuori N555 👍
<<locked>>
94%
52040
90%
**33
100%
[Vihtavuori N560]*
<<locked>>
95%
51155
88%
**40
93%
[Vihtavuori N565]*
<<locked>>
97%
46093
79%
**89
92%
Winchester 6.5 StaBALL
<<locked>>
87%
52040
90%
**28
100%
Winchester 760
<<locked>>
83%
51358
89%
**07
97%
Winchester StaBALL HD 👍
<<locked>>
97%
46934
81%
**53
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
84%
38682
67%
**99
90%
[ADI AR 2213]*
<<locked>>
90%
42757
74%
**10
90%
[Accurate 3100]*
<<locked>>
81%
31314
54%
**53
90%
Accurate 4350
<<locked>>
81%
41524
72%
**84
97%
Alliant Reloder-16
<<locked>>
81%
39914
69%
**04
97%
Alliant Reloder-17
<<locked>>
81%
46412
80%
**58
100%
[Alliant Reloder-19]*
<<locked>>
84%
38334
66%
**82
90%
[Alliant Reloder-22]*
<<locked>>
87%
37579
65%
**02
90%
[Alliant Reloder-23]*
<<locked>>
81%
29428
51%
**59
94%
[Alliant Reloder-25]*
<<locked>>
87%
31372
54%
**09
90%
[Alliant Reloder-26]*
<<locked>>
81%
32111
55%
**87
92%
Hodgdon H414
<<locked>>
81%
47572
82%
**28
96%
[Hodgdon H4350]*
<<locked>>
81%
38551
66%
**63
92%
[Hodgdon H4831]*
<<locked>>
93%
43947
76%
**04
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
43947
76%
**04
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37391
64%
**63
98%
Hodgdon LVR
<<locked>>
81%
43918
76%
**40
97%
[Hodgdon Superperformance]*
<<locked>>
81%
43134
74%
**46
94%
Hodgdon TrailBoss
<<locked>>
81%
27717
48%
**05
100%
IMR 4166 Enduron
<<locked>>
81%
48109
83%
**79
96%
[IMR 4350]*
<<locked>>
81%
40712
70%
**09
93%
IMR 4451 Enduron
<<locked>>
81%
46775
81%
**46
96%
IMR 4831
<<locked>>
81%
35955
62%
**27
95%
[IMR 4955 Enduron]*
<<locked>>
88%
42293
73%
**35
90%
[IMR 7828 SSC]*
<<locked>>
89%
42525
73%
**27
90%
Lovex S065
<<locked>>
81%
44077
76%
**94
97%
Lovex S070
<<locked>>
81%
42206
73%
**64
95%
[Lovex S071]*
<<locked>>
86%
31575
54%
**66
91%
[Norma 204]*
<<locked>>
81%
40538
70%
**41
91%
[Norma MRP]*
<<locked>>
83%
34853
60%
**50
90%
Norma URP
<<locked>>
81%
40944
71%
**84
97%
Ramshot Hunter
<<locked>>
81%
40147
69%
**45
95%
[Ramshot Magnum]*
<<locked>>
87%
36172
62%
**07
90%
ReloadSwiss RS 14
<<locked>>
81%
27876
48%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
44773
77%
**42
100%
ReloadSwiss RS 62
<<locked>>
81%
41466
71%
**91
97%
ReloadSwiss RS 70
<<locked>>
81%
40118
69%
**91
96%
[ReloadSwiss RS 76]*
<<locked>>
91%
35810
62%
**59
90%
[Rottweil R 904]*
<<locked>>
85%
41495
72%
**25
90%
[Rottweil R 905]*
<<locked>>
84%
37347
64%
**69
90%
Rottweil R 907
<<locked>>
81%
45223
78%
**14
95%
SNPE Vectan Tubal 7000
<<locked>>
81%
43424
75%
**28
95%
Shooters World Long Rifle
<<locked>>
81%
44077
76%
**94
97%
[Somchem S361]*
<<locked>>
85%
43163
74%
**05
90%
Somchem S365
<<locked>>
81%
37623
65%
**19
99%
[Somchem S385]*
<<locked>>
81%
34896
60%
**58
90%
Vihtavuori N135
<<locked>>
81%
47007
81%
**23
100%
Vihtavuori N150
<<locked>>
81%
41800
72%
**35
100%
Vihtavuori N160
<<locked>>
81%
44309
76%
**17
98%
[Vihtavuori N165]*
<<locked>>
87%
35868
62%
**77
90%
Vihtavuori N550
<<locked>>
81%
45295
78%
**73
98%
[Vihtavuori N555]*
<<locked>>
81%
32866
57%
**71
94%
[Vihtavuori N560]*
<<locked>>
90%
43047
74%
**53
90%
[Vihtavuori N565]*
<<locked>>
94%
41814
72%
**91
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42264
73%
**41
99%
Winchester 760
<<locked>>
81%
47572
82%
**28
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23569
41%
**87
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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