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Load data for .223 Rem. (5.56 x 45 NATO) + .224 | 45gr | Sierra SPT Pro-Hunter

Recommended Powder(s):

.223 Rem. (5.56 x 45 NATO) + .224 | 45gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 45gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1310
Bullet Weight:
45gr | 2.9g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
<<locked>>
Caliber:
.223 Rem. (5.56 x 45 NATO) load data
Case Length (l3):
1.759" | 44.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
28.8 Grains of Water | 1.87 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5729_C134
Last updated:
2026-01-21

Load data for 62 loads in caliber .223 Rem. (5.56 x 45 NATO) with .224 | 45gr | Sierra SPT Pro-Hunter bullet and 31 powder(s). 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 2205
<<locked>>
86%
56115
90%
**04
100%
ADI AR 2207 👍
<<locked>>
97%
52765
85%
**48
100%
ADI AR 2219
<<locked>>
96%
48617
78%
**83
96%
Accurate 1680
<<locked>>
89%
55680
89%
**38
98%
Accurate 2015
<<locked>>
96%
39160
63%
**69
96%
[Accurate 2495]*
<<locked>>
97%
30560
49%
**45
92%
Accurate 5744
<<locked>>
84%
55274
89%
**65
100%
Alliant AR-Comp
<<locked>>
97%
34998
56%
**30
96%
Alliant Reloder-10x
<<locked>>
96%
43497
70%
**97
98%
Alliant Reloder-7 👍
<<locked>>
97%
55535
89%
**51
100%
Baschieri & Pellagri 106
<<locked>>
97%
50038
80%
**81
97%
[Hodgdon CFE BLK]*
<<locked>>
96%
55361
89%
**53
93%
[Hodgdon H322]*
<<locked>>
97%
40263
65%
**02
93%
Hodgdon H335
<<locked>>
97%
48747
78%
**76
95%
Hodgdon H4198
<<locked>>
97%
53534
86%
**63
96%
Hodgdon TrailBoss
<<locked>>
97%
28921
46%
**13
100%
IMR 4198
<<locked>>
97%
46354
74%
**04
99%
IMR 4227 👍
<<locked>>
92%
55840
90%
**12
100%
Lovex D060
<<locked>>
85%
55274
89%
**65
100%
Lovex S053
<<locked>>
93%
55477
89%
**92
100%
Norma 200 👍
<<locked>>
97%
50154
80%
**06
99%
ReloadSwiss RS 14
<<locked>>
97%
28587
46%
**56
100%
ReloadSwiss RS 36 👍
<<locked>>
92%
54868
88%
**38
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
55158
88%
**09
100%
SNPE Vectan SP 10
<<locked>>
97%
49081
79%
**83
95%
Shooters World Buffalo Rifle
<<locked>>
85%
55274
89%
**65
100%
[Somchem S335]*
<<locked>>
97%
36056
58%
**31
91%
Vihtavuori N110
<<locked>>
88%
55709
89%
**33
100%
Vihtavuori N120
<<locked>>
97%
49371
79%
**33
100%
Vihtavuori N130
<<locked>>
97%
41481
67%
**69
97%
[Vihtavuori N133]*
<<locked>>
97%
34142
55%
**92
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
47790
77%
**76
100%
ADI AR 2207
<<locked>>
81%
31836
51%
**02
98%
[ADI AR 2219]*
<<locked>>
86%
34316
55%
**48
90%
Accurate 1680
<<locked>>
81%
42119
68%
**76
95%
[Accurate 2015]*
<<locked>>
85%
27354
44%
**41
90%
[Accurate 2495]*
<<locked>>
94%
27775
45%
**59
90%
Accurate 5744
<<locked>>
81%
51184
82%
**83
99%
[Alliant AR-Comp]*
<<locked>>
86%
25556
41%
**08
90%
[Alliant Reloder-10x]*
<<locked>>
81%
26266
42%
**22
91%
Alliant Reloder-7
<<locked>>
81%
33417
54%
**82
95%
[Baschieri & Pellagri 106]*
<<locked>>
82%
31183
50%
**54
90%
[Hodgdon CFE BLK]*
<<locked>>
90%
46499
75%
**86
90%
[Hodgdon H322]*
<<locked>>
92%
34316
55%
**48
90%
[Hodgdon H335]*
<<locked>>
89%
36999
59%
**10
90%
[Hodgdon H4198]*
<<locked>>
82%
34316
55%
**46
90%
Hodgdon TrailBoss
<<locked>>
80%
22336
36%
**26
100%
[IMR 4198]*
<<locked>>
81%
29109
47%
**64
93%
IMR 4227
<<locked>>
81%
40059
64%
**17
99%
Lovex D060
<<locked>>
81%
47979
77%
**23
99%
Lovex S053
<<locked>>
81%
38522
62%
**81
100%
[Norma 200]*
<<locked>>
81%
30023
48%
**40
94%
ReloadSwiss RS 14
<<locked>>
81%
22075
35%
**72
100%
ReloadSwiss RS 36
<<locked>>
81%
38899
62%
**30
98%
SNPE Vectan BA6 1/2
<<locked>>
81%
35969
58%
**97
100%
[SNPE Vectan SP 10]*
<<locked>>
89%
37173
60%
**20
90%
Shooters World Buffalo Rifle
<<locked>>
81%
47979
77%
**23
99%
[Somchem S335]*
<<locked>>
94%
33373
54%
**56
90%
Vihtavuori N110
<<locked>>
81%
45919
74%
**82
100%
Vihtavuori N120
<<locked>>
81%
29791
48%
**10
98%
[Vihtavuori N130]*
<<locked>>
82%
26353
42%
**62
90%
[Vihtavuori N133]*
<<locked>>
92%
29646
48%
**58
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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