Load data for .223 Ackley Improved + .224 | 55gr | Sierra SPT Pro-Hunter

Recommended Powder(s): ADI AR 2219, Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x, Hodgdon H322

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.224 \| 55gr \| Sierra SPT Pro-Hunter
Manufacturer SKU:	1360
Bullet Weight:	55gr \| 3.6g
Bullet Diameter:	0.224" \| 5.69mm
Bullet Length:	0.710" \| 18.0mm
Caliber:	.223 Ackley Improved load data
Case Length (l3):	1.760" \| 44.7mm
Cartridge Length (C.O.L.):	2.226" \| 56.5mm
Seated Depth:	0.244" \| 6.2mm
Shank Seated Depth:	0.244" \| 6.2mm
Case Capacity:	32.4 Grains of Water \| 2.10 cm³
Primer Size:	Small Rifle (SR)
Max. allowed Pressure:	55114 psi \| 3800 bar
LID:	LID_B5743_C136
Last updated:	2025-02-02

Load data for 116 loads in caliber .223 Ackley Improved with .224 | 55gr | Sierra SPT Pro-Hunter bullet and 58 powders such as ADI AR 2219, Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x, Hodgdon H322. 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".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

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Min z (%)
Min FR (%)
Max FR*
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Barrel Length (cm)
Safety Buffer (%)
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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 2206H]*	<<locked>>	97%	46412	84%	**43	93%
ADI AR 2207	<<locked>>	86%	48921	89%	**46	100%
ADI AR 2219 👍	<<locked>>	89%	48298	88%	**96	99%
Accurate 2015 👍	<<locked>>	94%	48095	87%	**46	100%
[Accurate 2230]*	<<locked>>	91%	47906	87%	**20	94%
Accurate 2460	<<locked>>	92%	49110	89%	**63	96%
Accurate 2495	<<locked>>	96%	42801	78%	**43	99%
Accurate 2520	<<locked>>	97%	47892	87%	**96	97%
Accurate 4064	<<locked>>	96%	35273	64%	**53	95%
Alliant AR-Comp 👍	<<locked>>	97%	47007	85%	**22	100%
Alliant Reloder-10x 👍	<<locked>>	92%	49298	89%	**92	100%
Alliant Reloder-7	<<locked>>	85%	49443	90%	**36	100%
Baschieri & Pellagri 106	<<locked>>	88%	48051	87%	**68	99%
Hodgdon BL-C2	<<locked>>	96%	47543	86%	**96	95%
Hodgdon Benchmark	<<locked>>	95%	49559	90%	**36	96%
Hodgdon CFE BLK	<<locked>>	85%	48834	89%	**84	95%
Hodgdon H322 👍	<<locked>>	95%	49211	89%	**15	99%
Hodgdon H335	<<locked>>	89%	48414	88%	**96	98%
Hodgdon H4198	<<locked>>	87%	48892	89%	**04	98%
Hodgdon TrailBoss	<<locked>>	94%	29878	54%	**69	100%
IMR 3031	<<locked>>	97%	40089	73%	**97	98%
IMR 4198	<<locked>>	91%	49139	89%	**50	100%
IMR 8208 XBR	<<locked>>	97%	49559	90%	**79	95%
Lovex D073.4	<<locked>>	91%	49342	90%	**63	96%
Lovex D073.5	<<locked>>	93%	49110	89%	**63	96%
Lovex D073.6	<<locked>>	96%	42525	77%	**94	96%
[Lovex S060]*	<<locked>>	96%	47181	86%	**77	93%
[Lovex S062]*	<<locked>>	96%	39001	71%	**79	92%
Norma 200	<<locked>>	88%	49356	90%	**73	100%
[Norma 201]*	<<locked>>	96%	43976	80%	**74	94%
Norma 202	<<locked>>	96%	44019	80%	**10	97%
[Ramshot Wild Boar]*	<<locked>>	97%	49081	89%	**92	94%
[Ramshot X-Terminator]*	<<locked>>	93%	48631	88%	**23	93%
ReloadSwiss RS 14	<<locked>>	94%	29718	54%	**14	100%
ReloadSwiss RS 40	<<locked>>	92%	48617	88%	**69	97%
[ReloadSwiss RS 52]*	<<locked>>	96%	38174	69%	**18	92%
Rottweil R 901	<<locked>>	96%	48718	88%	**66	98%
[Rottweil R 902]*	<<locked>>	96%	41771	76%	**12	93%
SNPE Vectan BA6 1/2	<<locked>>	85%	49110	89%	**87	100%
SNPE Vectan SP 10	<<locked>>	88%	48501	88%	**89	98%
[SNPE Vectan SP 9]*	<<locked>>	96%	44411	81%	**87	92%
SNPE Vectan Tubal 3000	<<locked>>	96%	47718	87%	**81	98%
SNPE Vectan Tubal 5000	<<locked>>	96%	38363	70%	**04	96%
Shooters World Match Rifle	<<locked>>	96%	42525	77%	**94	96%
[Shooters World Precision]*	<<locked>>	96%	39001	71%	**79	92%
Shooters World Tactical Rifle	<<locked>>	90%	49545	90%	**30	95%
Somchem S321	<<locked>>	93%	48733	88%	**82	96%
Somchem S335	<<locked>>	96%	45934	83%	**68	98%
[Somchem S341]*	<<locked>>	97%	47079	85%	**17	93%
Vihtavuori N120	<<locked>>	88%	48356	88%	**81	100%
Vihtavuori N130	<<locked>>	93%	48037	87%	**04	100%
Vihtavuori N133	<<locked>>	96%	42859	78%	**12	99%
Vihtavuori N135	<<locked>>	97%	33170	60%	**71	96%
Vihtavuori N140	<<locked>>	97%	42047	76%	**41	97%
Vihtavuori N530	<<locked>>	94%	48776	88%	**86	95%
Vihtavuori N540	<<locked>>	97%	41698	76%	**51	96%
Winchester 748	<<locked>>	94%	48776	88%	**28	96%
[Winchester StaBALL Match]*	<<locked>>	92%	48863	89%	**99	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	91%	38725	70%	**72	90%
ADI AR 2207	<<locked>>	81%	41989	76%	**25	100%
ADI AR 2219	<<locked>>	81%	37130	67%	**59	96%
Accurate 2015	<<locked>>	81%	31662	57%	**89	96%
[Accurate 2230]*	<<locked>>	84%	36825	67%	**84	90%
[Accurate 2460]*	<<locked>>	81%	32619	59%	**05	91%
[Accurate 2495]*	<<locked>>	81%	25599	46%	**90	93%
[Accurate 2520]*	<<locked>>	84%	30052	55%	**82	90%
[Accurate 4064]*	<<locked>>	88%	27035	49%	**20	91%
Alliant AR-Comp	<<locked>>	81%	27514	50%	**43	97%
Alliant Reloder-10x	<<locked>>	81%	34925	63%	**94	98%
Alliant Reloder-7	<<locked>>	81%	42801	78%	**09	100%
Baschieri & Pellagri 106	<<locked>>	81%	37782	69%	**54	97%
[Hodgdon BL-C2]*	<<locked>>	88%	35230	64%	**27	90%
[Hodgdon Benchmark]*	<<locked>>	82%	33663	61%	**82	91%
[Hodgdon CFE BLK]*	<<locked>>	81%	42322	77%	**53	93%
[Hodgdon H322]*	<<locked>>	81%	31415	57%	**02	93%
[Hodgdon H335]*	<<locked>>	81%	36129	66%	**30	94%
Hodgdon H4198	<<locked>>	81%	40640	74%	**30	97%
Hodgdon TrailBoss	<<locked>>	81%	24323	44%	**31	100%
[IMR 3031]*	<<locked>>	82%	25454	46%	**61	91%
IMR 4198	<<locked>>	81%	36521	66%	**94	99%
[IMR 8208 XBR]*	<<locked>>	85%	34476	63%	**48	90%
[Lovex D073.4]*	<<locked>>	81%	33866	61%	**28	91%
[Lovex D073.5]*	<<locked>>	81%	32619	59%	**05	91%
[Lovex D073.6]*	<<locked>>	86%	30052	55%	**82	90%
[Lovex S060]*	<<locked>>	90%	39581	72%	**07	90%
[Lovex S062]*	<<locked>>	92%	34983	63%	**77	91%
Norma 200	<<locked>>	81%	39856	72%	**89	100%
[Norma 201]*	<<locked>>	88%	34316	62%	**51	90%
[Norma 202]*	<<locked>>	82%	28137	51%	**10	91%
[Ramshot Wild Boar]*	<<locked>>	90%	39421	72%	**86	90%
[Ramshot X-Terminator]*	<<locked>>	86%	39465	72%	**30	90%
ReloadSwiss RS 14	<<locked>>	81%	24236	44%	**73	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	33837	61%	**41	92%
[ReloadSwiss RS 52]*	<<locked>>	93%	34316	62%	**13	90%
[Rottweil R 901]*	<<locked>>	81%	30647	56%	**40	92%
[Rottweil R 902]*	<<locked>>	90%	34925	63%	**48	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	44005	80%	**05	100%
SNPE Vectan SP 10	<<locked>>	81%	37449	68%	**49	95%
[SNPE Vectan SP 9]*	<<locked>>	93%	39943	72%	**89	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29385	53%	**51	91%
[SNPE Vectan Tubal 5000]*	<<locked>>	83%	25541	46%	**39	90%
[Shooters World Match Rifle]*	<<locked>>	86%	30052	55%	**82	90%
[Shooters World Precision]*	<<locked>>	92%	34983	63%	**77	91%
[Shooters World Tactical Rifle]*	<<locked>>	82%	37057	67%	**71	91%
[Somchem S321]*	<<locked>>	83%	33663	61%	**54	90%
[Somchem S335]*	<<locked>>	81%	28776	52%	**54	92%
[Somchem S341]*	<<locked>>	92%	40683	74%	**86	91%
Vihtavuori N120	<<locked>>	81%	38537	70%	**10	100%
Vihtavuori N130	<<locked>>	81%	33040	60%	**82	97%
[Vihtavuori N133]*	<<locked>>	81%	27354	50%	**21	94%
[Vihtavuori N135]*	<<locked>>	86%	23656	43%	**66	91%
[Vihtavuori N140]*	<<locked>>	83%	27325	50%	**48	90%
[Vihtavuori N530]*	<<locked>>	84%	34853	63%	**71	90%
[Vihtavuori N540]*	<<locked>>	85%	28108	51%	**90	90%
[Winchester 748]*	<<locked>>	83%	32837	60%	**51	90%
[Winchester StaBALL Match]*	<<locked>>	85%	38000	69%	**63	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.