Load data for .220 Howell + .224 | 45gr | Sierra SPT Pro-Hunter

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Vihtavuori N555

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:	0.625" \| 15.9mm
Caliber:	.220 Howell load data
Case Length (l3):	2.395" \| 60.8mm
Cartridge Length (C.O.L.):	3.054" \| 77.6mm
Seated Depth:	-0.034" \| -0.9mm
Shank Seated Depth:	-0.034" \| -0.9mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	58015 psi \| 4000 bar
LID:	LID_B5729_C118
Last updated:	2025-02-02

Load data for 118 loads in caliber .220 Howell with .224 | 45gr | Sierra SPT Pro-Hunter bullet and 59 powders such as Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Vihtavuori N555. 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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C.O.L. (mm)
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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
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 2208	<<locked>>	84%	52054	90%	**91	99%
[ADI AR 2209]*	<<locked>>	95%	51532	89%	**14	94%
Accurate 2700	<<locked>>	85%	51387	89%	**89	95%
Accurate 3100	<<locked>>	97%	49037	85%	**79	96%
Accurate 4350	<<locked>>	90%	51764	89%	**14	98%
Alliant Reloder- TS 15.5	<<locked>>	84%	51663	89%	**17	100%
Alliant Reloder-16 👍	<<locked>>	91%	51300	88%	**70	99%
Alliant Reloder-17 👍	<<locked>>	87%	51779	89%	**80	100%
[Alliant Reloder-19]*	<<locked>>	95%	51837	89%	**11	94%
[Alliant Reloder-22]*	<<locked>>	97%	49327	85%	**75	93%
Alliant Reloder-23	<<locked>>	97%	46354	80%	**29	99%
[Alliant Reloder-25]*	<<locked>>	97%	40103	69%	**48	93%
Alliant Reloder-26	<<locked>>	96%	52054	90%	**96	98%
Hodgdon H380	<<locked>>	83%	51764	89%	**07	98%
Hodgdon H414	<<locked>>	86%	51314	88%	**14	96%
Hodgdon H4350	<<locked>>	93%	51909	89%	**71	95%
Hodgdon Hybrid 100V	<<locked>>	93%	51126	88%	**75	99%
Hodgdon LVR	<<locked>>	88%	51822	89%	**37	98%
Hodgdon Superperformance	<<locked>>	88%	52185	90%	**37	96%
Hodgdon VARGET	<<locked>>	84%	51547	89%	**84	99%
Hodgdon TrailBoss	<<locked>>	96%	33692	58%	**85	100%
IMR 4064	<<locked>>	85%	51750	89%	**88	99%
IMR 4166 Enduron	<<locked>>	86%	51663	89%	**58	96%
IMR 4350	<<locked>>	91%	51735	89%	**65	95%
IMR 4451 Enduron	<<locked>>	86%	51634	89%	**58	95%
IMR 4831	<<locked>>	95%	51401	89%	**98	98%
Lovex S065	<<locked>>	89%	52199	90%	**75	97%
Lovex S070	<<locked>>	90%	51779	89%	**75	96%
[Lovex S071]*	<<locked>>	97%	40451	70%	**83	93%
[Norma 204]*	<<locked>>	90%	51866	89%	**78	93%
Norma MRP	<<locked>>	97%	51880	89%	**76	96%
Norma URP	<<locked>>	90%	51561	89%	**11	98%
Ramshot Hunter	<<locked>>	91%	51851	89%	**24	97%
[Ramshot Magnum]*	<<locked>>	97%	48269	83%	**89	94%
ReloadSwiss RS 14	<<locked>>	97%	34824	60%	**54	100%
ReloadSwiss RS 50	<<locked>>	83%	51996	90%	**81	96%
ReloadSwiss RS 60 👍	<<locked>>	88%	51822	89%	**02	100%
ReloadSwiss RS 62	<<locked>>	90%	52054	90%	**37	98%
ReloadSwiss RS 70	<<locked>>	90%	51532	89%	**73	98%
Rottweil R 903	<<locked>>	85%	51692	89%	**98	99%
[Rottweil R 904]*	<<locked>>	94%	52025	90%	**55	92%
[Rottweil R 905]*	<<locked>>	96%	51663	89%	**07	94%
Rottweil R 907	<<locked>>	88%	51938	90%	**68	95%
SNPE Vectan SP 11	<<locked>>	85%	52214	90%	**34	99%
SNPE Vectan Tubal 5000	<<locked>>	85%	52112	90%	**96	100%
SNPE Vectan Tubal 7000	<<locked>>	88%	51764	89%	**93	96%
Shooters World Long Rifle	<<locked>>	89%	52199	90%	**75	97%
Somchem S355	<<locked>>	85%	52040	90%	**07	99%
Somchem S365 👍	<<locked>>	92%	51126	88%	**34	100%
Somchem S385	<<locked>>	95%	51387	89%	**52	95%
Vihtavuori N135	<<locked>>	87%	51866	89%	**52	100%
Vihtavuori N150	<<locked>>	90%	51996	90%	**52	100%
Vihtavuori N160	<<locked>>	88%	51880	89%	**75	98%
[Vihtavuori N165]*	<<locked>>	97%	45324	78%	**81	92%
Vihtavuori N550	<<locked>>	87%	51459	89%	**24	98%
Vihtavuori N555 👍	<<locked>>	97%	51909	89%	**40	99%
Winchester 6.5 StaBALL	<<locked>>	89%	52040	90%	**42	100%
Winchester 760	<<locked>>	86%	51314	88%	**14	96%
Winchester StaBALL HD	<<locked>>	96%	40480	70%	**12	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	46630	80%	**89	98%
[ADI AR 2209]*	<<locked>>	90%	43410	75%	**14	90%
[Accurate 2700]*	<<locked>>	81%	45382	78%	**55	93%
[Accurate 3100]*	<<locked>>	88%	34780	60%	**28	90%
[Accurate 4350]*	<<locked>>	81%	37579	65%	**83	94%
Alliant Reloder- TS 15.5	<<locked>>	81%	47079	81%	**19	99%
[Alliant Reloder-16]*	<<locked>>	81%	36448	63%	**92	93%
Alliant Reloder-17	<<locked>>	81%	41727	72%	**47	97%
[Alliant Reloder-19]*	<<locked>>	89%	42235	73%	**78	90%
[Alliant Reloder-22]*	<<locked>>	93%	42264	73%	**94	90%
[Alliant Reloder-23]*	<<locked>>	83%	28689	49%	**04	90%
[Alliant Reloder-25]*	<<locked>>	93%	35186	61%	**01	90%
[Alliant Reloder-26]*	<<locked>>	85%	33678	58%	**07	91%
Hodgdon H380	<<locked>>	81%	47979	83%	**09	97%
[Hodgdon H414]*	<<locked>>	81%	43337	75%	**37	93%
[Hodgdon H4350]*	<<locked>>	84%	39508	68%	**66	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	33837	58%	**55	94%
[Hodgdon LVR]*	<<locked>>	81%	40277	69%	**55	94%
[Hodgdon Superperformance]*	<<locked>>	81%	39160	67%	**22	90%
Hodgdon VARGET	<<locked>>	81%	46166	80%	**63	97%
Hodgdon TrailBoss	<<locked>>	81%	27151	47%	**02	100%
IMR 4064	<<locked>>	81%	45324	78%	**43	97%
[IMR 4166 Enduron]*	<<locked>>	81%	44846	77%	**97	93%
[IMR 4350]*	<<locked>>	83%	39363	68%	**60	90%
[IMR 4451 Enduron]*	<<locked>>	81%	43178	74%	**78	93%
[IMR 4831]*	<<locked>>	81%	32387	56%	**09	91%
[Lovex S065]*	<<locked>>	81%	40495	70%	**02	93%
[Lovex S070]*	<<locked>>	81%	38682	67%	**60	91%
[Lovex S071]*	<<locked>>	93%	35273	61%	**45	90%
[Norma 204]*	<<locked>>	85%	42786	74%	**88	90%
[Norma MRP]*	<<locked>>	89%	38783	67%	**32	90%
[Norma URP]*	<<locked>>	81%	37014	64%	**69	93%
[Ramshot Hunter]*	<<locked>>	81%	36245	62%	**27	90%
[Ramshot Magnum]*	<<locked>>	92%	40263	69%	**99	90%
ReloadSwiss RS 14	<<locked>>	81%	27557	47%	**57	100%
ReloadSwiss RS 50	<<locked>>	81%	48356	83%	**96	95%
ReloadSwiss RS 60	<<locked>>	81%	40495	70%	**50	98%
[ReloadSwiss RS 62]*	<<locked>>	81%	37362	64%	**69	93%
[ReloadSwiss RS 70]*	<<locked>>	81%	36608	63%	**79	92%
Rottweil R 903	<<locked>>	81%	44411	77%	**47	98%
[Rottweil R 904]*	<<locked>>	91%	46499	80%	**30	90%
[Rottweil R 905]*	<<locked>>	90%	42598	73%	**84	90%
[Rottweil R 907]*	<<locked>>	81%	41640	72%	**19	91%
SNPE Vectan SP 11	<<locked>>	81%	45905	79%	**99	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	45571	79%	**71	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	39885	69%	**23	92%
[Shooters World Long Rifle]*	<<locked>>	81%	40495	70%	**02	93%
Somchem S355	<<locked>>	81%	44788	77%	**37	98%
Somchem S365	<<locked>>	81%	33533	58%	**01	96%
[Somchem S385]*	<<locked>>	87%	39450	68%	**63	90%
Vihtavuori N135	<<locked>>	81%	42757	74%	**81	100%
Vihtavuori N150	<<locked>>	81%	38276	66%	**43	98%
Vihtavuori N160	<<locked>>	81%	40553	70%	**28	95%
[Vihtavuori N165]*	<<locked>>	93%	40379	70%	**73	90%
Vihtavuori N550	<<locked>>	81%	41031	71%	**74	95%
[Vihtavuori N555]*	<<locked>>	82%	30414	52%	**76	90%
Winchester 6.5 StaBALL	<<locked>>	81%	38841	67%	**46	97%
[Winchester 760]*	<<locked>>	81%	43337	75%	**37	93%
[Winchester StaBALL HD]*	<<locked>>	87%	28950	50%	**53	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.