Load data for 5.7 x 28 + .224 | 55gr | Sierra SPT Pro-Hunter

Recommended Powder(s): ADI AP 100, Alliant POWER PISTOL, Vihtavuori N105

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:	5.7 x 28 load data
Case Length (l3):	1.134" \| 28.8mm
Cartridge Length (C.O.L.):	1.570" \| 39.9mm
Seated Depth:	0.274" \| 7.0mm
Shank Seated Depth:	0.274" \| 7.0mm
Case Capacity:	12.3 Grains of Water \| 0.80 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	50038 psi \| 3450 bar
LID:	LID_B5743_C925
Last updated:	2025-02-02

Load data for 116 loads in caliber 5.7 x 28 with .224 | 55gr | Sierra SPT Pro-Hunter bullet and 58 powders such as ADI AP 100, Alliant POWER PISTOL, Vihtavuori N105. 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 (%)
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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 AP 100 👍	<<locked>>	91%	43033	86%	**34	100%
ADI AP 70N	<<locked>>	64%	43149	86%	**80	100%
ADI APS 350	<<locked>>	76%	43888	88%	**29	100%
ADI APS 450	<<locked>>	77%	43323	87%	**48	100%
ADI AS 30	<<locked>>	78%	44788	90%	**98	100%
ADI AS 50N	<<locked>>	72%	43990	88%	**37	100%
[Accurate 4100]*	<<locked>>	91%	43178	86%	**06	86%
Accurate No. 2	<<locked>>	71%	43105	86%	**26	100%
Accurate No. 7	<<locked>>	69%	42511	85%	**99	97%
Accurate No. 9	<<locked>>	79%	44309	89%	**13	93%
Accurate Solo 1000	<<locked>>	75%	43656	87%	**17	100%
Accurate Solo 1250	<<locked>>	79%	44802	90%	**86	100%
Accurate TCM	<<locked>>	79%	44759	89%	**13	94%
Alliant 2400	<<locked>>	88%	43265	86%	**26	90%
Alliant BLUE DOT	<<locked>>	92%	44034	88%	**16	97%
Alliant BULLSEYE	<<locked>>	68%	43700	87%	**58	100%
Alliant POWER PISTOL 👍	<<locked>>	75%	43178	86%	**73	100%
Alliant UNIQUE	<<locked>>	76%	42931	86%	**52	100%
Baschieri & Pellagri 100	<<locked>>	76%	44933	90%	**30	100%
Hodgdon Clays	<<locked>>	76%	44933	90%	**45	100%
[Hodgdon LilGun]*	<<locked>>	95%	38580	77%	**32	88%
Hodgdon Universal	<<locked>>	70%	43149	86%	**80	100%
Hodgdon TrailBoss	<<locked>>	93%	20233	40%	**40	100%
Lovex D037.1	<<locked>>	69%	42511	85%	**99	97%
Lovex D037.2	<<locked>>	78%	44309	89%	**13	93%
Lovex S011	<<locked>>	64%	43468	87%	**50	100%
Lovex S020	<<locked>>	70%	44875	90%	**22	100%
Maxam CSB 1	<<locked>>	82%	44962	90%	**83	100%
Maxam CSB 2	<<locked>>	74%	42308	85%	**44	100%
Maxam CSB 3	<<locked>>	76%	42366	85%	**37	100%
Maxam CSB 4	<<locked>>	74%	42975	86%	**14	100%
Maxam CSB 5	<<locked>>	70%	42743	85%	**68	100%
Ramshot Enforcer	<<locked>>	89%	44222	88%	**42	91%
Ramshot Silhouette	<<locked>>	64%	44599	89%	**72	100%
ReloadSwiss RS 12	<<locked>>	65%	42917	86%	**34	100%
ReloadSwiss RS 14	<<locked>>	96%	20363	41%	**83	100%
ReloadSwiss RS 20	<<locked>>	78%	44498	89%	**45	100%
ReloadSwiss RS 24	<<locked>>	78%	44541	89%	**06	99%
Rottweil P 806	<<locked>>	78%	43395	87%	**63	100%
SNPE Vectan A0	<<locked>>	81%	44643	89%	**22	100%
SNPE Vectan BA 9	<<locked>>	73%	42786	86%	**73	100%
SNPE Vectan BA10	<<locked>>	72%	43323	87%	**48	100%
SNPE Vectan BA7 1/2	<<locked>>	83%	42685	85%	**81	100%
SNPE Vectan BA9 1/2	<<locked>>	73%	42380	85%	**70	100%
Shooters World Heavy Pistol	<<locked>>	78%	44309	89%	**13	93%
Shooters World Major Pistol	<<locked>>	69%	42511	85%	**99	97%
Somchem MP200	<<locked>>	71%	43961	88%	**55	100%
Somchem MS200	<<locked>>	75%	42728	85%	**16	100%
Somchem S221	<<locked>>	65%	44208	88%	**67	100%
Vihtavuori 3N37	<<locked>>	77%	43830	88%	**04	100%
Vihtavuori 3N38	<<locked>>	88%	44759	89%	**93	99%
Vihtavuori N105 👍	<<locked>>	91%	42873	86%	**99	100%
[Vihtavuori N110]*	<<locked>>	97%	30211	60%	**32	83%
Vihtavuori N320	<<locked>>	71%	43888	88%	**24	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	41133	82%	**19	100%
Vihtavuori N330	<<locked>>	72%	44469	89%	**93	100%
Vihtavuori N340	<<locked>>	76%	44353	89%	**32	100%
Vihtavuori N350	<<locked>>	79%	42844	86%	**81	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	19769	39%	**11	94%
ADI AP 70N	<<locked>>	61%	40263	80%	**50	100%
ADI APS 350	<<locked>>	62%	32445	65%	**81	100%
ADI APS 450	<<locked>>	60%	30008	60%	**75	100%
ADI AS 30	<<locked>>	61%	30879	62%	**20	100%
ADI AS 50N	<<locked>>	60%	32866	66%	**93	100%
[Accurate 4100]*	<<locked>>	81%	31589	63%	**26	81%
Accurate No. 2	<<locked>>	60%	31357	63%	**65	100%
Accurate No. 7	<<locked>>	61%	32039	64%	**26	93%
[Accurate No. 9]*	<<locked>>	61%	24076	48%	**48	82%
Accurate Solo 1000	<<locked>>	60%	30255	60%	**47	100%
Accurate Solo 1250	<<locked>>	61%	28674	57%	**73	100%
[Accurate TCM]*	<<locked>>	61%	24352	49%	**52	84%
[Alliant 2400]*	<<locked>>	72%	26498	53%	**24	81%
[Alliant BLUE DOT]*	<<locked>>	62%	19798	40%	**37	83%
Alliant BULLSEYE	<<locked>>	60%	35302	71%	**40	100%
Alliant POWER PISTOL	<<locked>>	61%	29515	59%	**53	98%
Alliant UNIQUE	<<locked>>	62%	30516	61%	**75	100%
Baschieri & Pellagri 100	<<locked>>	61%	31140	62%	**63	100%
Hodgdon Clays	<<locked>>	62%	33112	66%	**98	100%
[Hodgdon LilGun]*	<<locked>>	85%	27688	55%	**09	80%
Hodgdon Universal	<<locked>>	62%	35157	70%	**81	100%
Hodgdon TrailBoss	<<locked>>	62%	11690	23%	**7	100%
Lovex D037.1	<<locked>>	61%	32039	64%	**26	93%
[Lovex D037.2]*	<<locked>>	62%	25469	51%	**81	83%
Lovex S011	<<locked>>	62%	40306	81%	**07	100%
Lovex S020	<<locked>>	60%	33344	67%	**78	100%
Maxam CSB 1	<<locked>>	62%	27572	55%	**53	100%
Maxam CSB 2	<<locked>>	60%	29747	59%	**73	100%
Maxam CSB 3	<<locked>>	60%	29675	59%	**63	100%
Maxam CSB 4	<<locked>>	62%	32111	64%	**80	100%
Maxam CSB 5	<<locked>>	61%	34055	68%	**53	100%
[Ramshot Enforcer]*	<<locked>>	72%	25382	51%	**11	81%
Ramshot Silhouette	<<locked>>	60%	39639	79%	**09	100%
ReloadSwiss RS 12	<<locked>>	60%	37536	75%	**68	100%
ReloadSwiss RS 14	<<locked>>	61%	10979	22%	**7	100%
ReloadSwiss RS 20	<<locked>>	60%	27180	54%	**09	100%
ReloadSwiss RS 24	<<locked>>	60%	26034	52%	**81	92%
Rottweil P 806	<<locked>>	61%	25077	50%	**78	100%
SNPE Vectan A0	<<locked>>	60%	25904	52%	**66	100%
SNPE Vectan BA 9	<<locked>>	60%	30806	62%	**12	100%
SNPE Vectan BA10	<<locked>>	62%	35056	70%	**47	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	24323	49%	**86	100%
SNPE Vectan BA9 1/2	<<locked>>	62%	32184	64%	**32	100%
[Shooters World Heavy Pistol]*	<<locked>>	62%	25469	51%	**81	83%
Shooters World Major Pistol	<<locked>>	61%	32039	64%	**26	93%
Somchem MP200	<<locked>>	62%	33808	68%	**24	100%
Somchem MS200	<<locked>>	61%	30269	61%	**45	100%
Somchem S221	<<locked>>	62%	39421	79%	**11	99%
Vihtavuori 3N37	<<locked>>	61%	27833	56%	**71	100%
Vihtavuori 3N38	<<locked>>	62%	21277	43%	**73	90%
[Vihtavuori N105]*	<<locked>>	60%	16607	33%	**91	89%
[Vihtavuori N110]*	<<locked>>	92%	26847	54%	**67	81%
Vihtavuori N320	<<locked>>	62%	35056	70%	**16	100%
[Vihtavuori N32C Tin Star]²	<<locked>>	59%	20073	40%	**17	100%
Vihtavuori N330	<<locked>>	61%	33112	66%	**55	100%
Vihtavuori N340	<<locked>>	60%	29037	58%	**22	100%
Vihtavuori N350	<<locked>>	62%	26585	53%	**45	100%

Start Load - Barrel Length: 5.50''

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.