Load data for 5.7 x 28 + .224 | 55gr | Sierra SP BlitzKing

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 SP BlitzKing
Manufacturer SKU:	1445
Bullet Weight:	55gr \| 3.6g
Bullet Diameter:	0.224" \| 5.69mm
Bullet Length:	0.722" \| 18.3mm
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:	0.286" \| 7.3mm
Shank Seated Depth:	0.286" \| 7.3mm
Case Capacity:	12.3 Grains of Water \| 0.80 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	50038 psi \| 3450 bar
LID:	LID_B5745_C925
Last updated:	2025-02-02

Load data for 122 loads in caliber 5.7 x 28 with .224 | 55gr | Sierra SP BlitzKing bullet and 61 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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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 AP 100 👍	<<locked>>	92%	43743	87%	**37	100%
ADI AP 70N	<<locked>>	64%	44034	88%	**83	100%
ADI APS 350	<<locked>>	77%	44425	89%	**25	100%
ADI APS 450	<<locked>>	78%	43859	88%	**48	100%
ADI AS 30	<<locked>>	75%	42380	85%	**71	100%
ADI AS 50N	<<locked>>	73%	44788	89%	**40	100%
[Accurate 4100]*	<<locked>>	92%	44889	90%	**29	87%
Accurate No. 2	<<locked>>	72%	43990	88%	**29	100%
Accurate No. 7	<<locked>>	70%	43758	87%	**16	97%
Accurate No. 9	<<locked>>	78%	42743	85%	**86	92%
Accurate Solo 1000	<<locked>>	76%	44469	89%	**27	100%
Accurate Solo 1250	<<locked>>	77%	42453	85%	**57	100%
Accurate TCM	<<locked>>	79%	43526	87%	**90	94%
Alliant 2400	<<locked>>	89%	44295	89%	**42	90%
Alliant BLUE DOT	<<locked>>	91%	42627	85%	**90	96%
Alliant BULLSEYE	<<locked>>	69%	44193	88%	**58	100%
Alliant POWER PISTOL 👍	<<locked>>	76%	43830	88%	**93	100%
Alliant UNIQUE	<<locked>>	77%	43569	87%	**55	100%
Baschieri & Pellagri 100	<<locked>>	74%	42714	85%	**01	100%
Hodgdon Clays	<<locked>>	74%	42395	85%	**12	100%
[Hodgdon H110]*	<<locked>>	97%	42917	86%	**29	82%
Hodgdon HS-6	<<locked>>	62%	43294	87%	**08	100%
[Hodgdon LilGun]*	<<locked>>	97%	39537	79%	**52	89%
Hodgdon Universal	<<locked>>	71%	44034	88%	**83	100%
Hodgdon TrailBoss	<<locked>>	94%	20581	41%	**47	100%
Lovex D037.1	<<locked>>	70%	43758	87%	**16	97%
Lovex D037.2	<<locked>>	77%	42743	85%	**86	92%
Lovex S011	<<locked>>	65%	44092	88%	**50	100%
Lovex S020	<<locked>>	68%	42511	85%	**90	100%
Maxam CSB 1	<<locked>>	80%	42844	86%	**60	100%
Maxam CSB 2	<<locked>>	75%	43236	86%	**47	100%
Maxam CSB 3	<<locked>>	76%	43062	86%	**37	100%
Maxam CSB 4	<<locked>>	75%	43758	87%	**27	100%
Maxam CSB 5	<<locked>>	71%	43076	86%	**65	100%
Ramshot Enforcer	<<locked>>	88%	42728	85%	**16	90%
Ramshot Silhouette	<<locked>>	63%	42844	86%	**52	100%
ReloadSwiss RS 12	<<locked>>	66%	43613	87%	**40	100%
ReloadSwiss RS 14	<<locked>>	92%	19131	38%	**50	100%
ReloadSwiss RS 20	<<locked>>	76%	42409	85%	**22	100%
ReloadSwiss RS 24	<<locked>>	77%	42946	86%	**77	98%
Rottweil P 801	<<locked>>	63%	43642	87%	**07	100%
Rottweil P 806	<<locked>>	79%	44164	88%	**77	100%
SNPE Vectan A0	<<locked>>	80%	42815	86%	**03	100%
SNPE Vectan BA 9	<<locked>>	74%	43642	87%	**76	100%
SNPE Vectan BA10	<<locked>>	72%	43845	88%	**48	100%
SNPE Vectan BA7 1/2	<<locked>>	84%	43308	87%	**85	100%
SNPE Vectan BA9 1/2	<<locked>>	74%	43265	86%	**73	100%
Shooters World Heavy Pistol	<<locked>>	77%	42743	85%	**86	92%
Shooters World Major Pistol	<<locked>>	70%	43758	87%	**16	97%
Somchem MP200	<<locked>>	72%	44686	89%	**58	100%
Somchem MS200	<<locked>>	76%	43265	86%	**19	100%
Somchem S221	<<locked>>	64%	42496	85%	**47	100%
Vihtavuori 3N37	<<locked>>	78%	44860	90%	**11	100%
Vihtavuori 3N38	<<locked>>	86%	42743	85%	**57	99%
Vihtavuori N105 👍	<<locked>>	92%	43816	88%	**13	100%
Vihtavuori N320	<<locked>>	72%	44527	89%	**24	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	41930	84%	**25	100%
Vihtavuori N330	<<locked>>	70%	42003	84%	**63	100%
Vihtavuori N340	<<locked>>	74%	42148	84%	**06	100%
Vihtavuori N350	<<locked>>	80%	43874	88%	**88	100%
Winchester 231	<<locked>>	63%	44585	89%	**73	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20088	40%	**11	94%
ADI AP 70N	<<locked>>	62%	41133	82%	**57	100%
ADI APS 350	<<locked>>	63%	32866	66%	**81	100%
ADI APS 450	<<locked>>	61%	30560	61%	**81	100%
ADI AS 30	<<locked>>	61%	31328	63%	**24	100%
ADI AS 50N	<<locked>>	61%	33489	67%	**96	100%
[Accurate 4100]*	<<locked>>	82%	32184	64%	**22	80%
Accurate No. 2	<<locked>>	61%	32024	64%	**68	100%
Accurate No. 7	<<locked>>	60%	30792	62%	**03	93%
[Accurate No. 9]*	<<locked>>	61%	24410	49%	**55	82%
Accurate Solo 1000	<<locked>>	60%	30603	61%	**50	100%
Accurate Solo 1250	<<locked>>	62%	29080	58%	**83	100%
[Accurate TCM]*	<<locked>>	61%	24685	49%	**58	84%
[Alliant 2400]*	<<locked>>	72%	27093	54%	**27	81%
[Alliant BLUE DOT]*	<<locked>>	61%	18956	38%	**11	82%
Alliant BULLSEYE	<<locked>>	61%	35911	72%	**44	100%
Alliant POWER PISTOL	<<locked>>	60%	28021	56%	**27	98%
Alliant UNIQUE	<<locked>>	60%	28761	57%	**42	100%
Baschieri & Pellagri 100	<<locked>>	62%	31633	63%	**66	100%
Hodgdon Clays	<<locked>>	63%	33402	67%	**04	100%
[Hodgdon H110]*	<<locked>>	94%	38435	77%	**63	80%
Hodgdon HS-6	<<locked>>	61%	40770	81%	**72	100%
[Hodgdon LilGun]*	<<locked>>	87%	28311	57%	**32	81%
Hodgdon Universal	<<locked>>	60%	33069	66%	**48	100%
Hodgdon TrailBoss	<<locked>>	63%	11821	24%	**0	100%
Lovex D037.1	<<locked>>	60%	30792	62%	**03	93%
[Lovex D037.2]*	<<locked>>	61%	24410	49%	**55	82%
Lovex S011	<<locked>>	60%	38058	76%	**78	100%
Lovex S020	<<locked>>	61%	34098	68%	**85	100%
Maxam CSB 1	<<locked>>	60%	25904	52%	**27	100%
Maxam CSB 2	<<locked>>	61%	30037	60%	**76	100%
Maxam CSB 3	<<locked>>	61%	29849	60%	**63	100%
Maxam CSB 4	<<locked>>	62%	32735	65%	**83	100%
Maxam CSB 5	<<locked>>	62%	34722	69%	**63	100%
[Ramshot Enforcer]*	<<locked>>	72%	25831	52%	**24	81%
Ramshot Silhouette	<<locked>>	61%	40001	80%	**09	100%
ReloadSwiss RS 12	<<locked>>	61%	37927	76%	**68	100%
ReloadSwiss RS 14	<<locked>>	62%	11153	22%	**0	100%
ReloadSwiss RS 20	<<locked>>	60%	27572	55%	**12	100%
ReloadSwiss RS 24	<<locked>>	61%	26484	53%	**91	92%
Rottweil P 801	<<locked>>	60%	40785	82%	**78	100%
Rottweil P 806	<<locked>>	62%	25367	51%	**78	100%
SNPE Vectan A0	<<locked>>	60%	26223	52%	**70	100%
SNPE Vectan BA 9	<<locked>>	61%	31372	63%	**25	100%
SNPE Vectan BA10	<<locked>>	60%	32909	66%	**14	100%
SNPE Vectan BA7 1/2	<<locked>>	60%	22916	46%	**57	99%
SNPE Vectan BA9 1/2	<<locked>>	60%	30385	61%	**06	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	24410	49%	**55	82%
Shooters World Major Pistol	<<locked>>	60%	30792	62%	**03	93%
Somchem MP200	<<locked>>	60%	32227	64%	**91	100%
Somchem MS200	<<locked>>	62%	30705	61%	**48	100%
Somchem S221	<<locked>>	61%	37956	76%	**75	99%
Vihtavuori 3N37	<<locked>>	62%	28500	57%	**78	100%
[Vihtavuori 3N38]*	<<locked>>	61%	20349	41%	**47	89%
[Vihtavuori N105]*	<<locked>>	61%	16882	34%	**01	89%
Vihtavuori N320	<<locked>>	60%	32648	65%	**83	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	20320	41%	**24	100%
Vihtavuori N330	<<locked>>	62%	33808	68%	**62	100%
Vihtavuori N340	<<locked>>	61%	29486	59%	**29	100%
Vihtavuori N350	<<locked>>	61%	25150	50%	**19	100%
Winchester 231	<<locked>>	61%	41669	83%	**34	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.