Load data for .357 SIG + .355 | 124gr | Hornady XTP

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Hornady XTP
Manufacturer SKU:	35571
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.576" \| 14.6mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.313" \| 8.0mm
Shank Seated Depth:	0.313" \| 8.0mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B2772_C518
Last updated:	2025-02-02

Load data for 120 loads in caliber .357 SIG with .355 | 124gr | Hornady XTP bullet and 60 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340. 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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>>	96%	24656	56%	**24	88%
ADI AP 70N	<<locked>>	85%	43453	98%	**07	100%
ADI AS 30	<<locked>>	94%	41829	95%	**73	100%
ADI AS 50N	<<locked>>	91%	42598	96%	**32	100%
Accurate No. 2	<<locked>>	91%	43729	99%	**01	100%
Accurate No. 5	<<locked>>	75%	42511	96%	**93	98%
[Accurate No. 7]*	<<locked>>	94%	42960	97%	**49	87%
Accurate Solo 1000	<<locked>>	93%	42351	96%	**06	100%
Accurate Solo 1250	<<locked>>	96%	38870	88%	**39	100%
Alliant BULLSEYE	<<locked>>	89%	42815	97%	**53	100%
Alliant POWER PISTOL	<<locked>>	96%	38363	87%	**96	95%
Alliant UNIQUE 👍	<<locked>>	96%	37565	85%	**07	100%
Baschieri & Pellagri 100	<<locked>>	94%	41843	95%	**99	100%
Hodgdon Clays	<<locked>>	90%	43482	98%	**11	100%
Hodgdon HP38	<<locked>>	70%	42395	96%	**52	100%
Hodgdon HS-6	<<locked>>	83%	44077	100%	**93	99%
Hodgdon Longshot	<<locked>>	78%	43047	97%	**76	100%
Hodgdon TiteGroup	<<locked>>	65%	42685	96%	**99	100%
Hodgdon Universal	<<locked>>	94%	43453	98%	**07	100%
Hodgdon TrailBoss	<<locked>>	94%	10950	25%	**7	100%
Lovex D032	<<locked>>	63%	42438	96%	**42	100%
Lovex D036	<<locked>>	75%	42453	96%	**93	98%
[Lovex D037.1]*	<<locked>>	94%	42960	97%	**49	87%
Lovex S011	<<locked>>	80%	42366	96%	**32	100%
Lovex S020	<<locked>>	91%	42786	97%	**04	100%
Maxam CSB 1	<<locked>>	97%	36274	82%	**02	100%
Maxam CSB 2	<<locked>>	97%	38334	87%	**45	100%
Maxam CSB 3	<<locked>>	95%	39407	89%	**19	100%
Maxam CSB 4	<<locked>>	96%	44121	100%	**39	100%
Maxam CSB 5	<<locked>>	90%	43352	98%	**73	100%
Ramshot Silhouette	<<locked>>	82%	42337	96%	**53	100%
Ramshot True Blue	<<locked>>	78%	44121	100%	**80	100%
Ramshot Zip	<<locked>>	71%	43004	97%	**68	100%
ReloadSwiss RS 12	<<locked>>	88%	42337	96%	**68	100%
ReloadSwiss RS 14	<<locked>>	96%	10312	23%	**3	99%
ReloadSwiss RS 20 👍	<<locked>>	96%	36100	82%	**91	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	35621	81%	**37	87%
Rottweil P 801	<<locked>>	82%	42554	96%	**32	100%
Rottweil P 806	<<locked>>	96%	26963	61%	**88	95%
SNPE Vectan A0	<<locked>>	96%	36434	82%	**35	100%
SNPE Vectan BA 9	<<locked>>	93%	42337	96%	**68	100%
SNPE Vectan BA10	<<locked>>	85%	42003	95%	**17	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	31111	70%	**09	97%
SNPE Vectan BA9 1/2	<<locked>>	95%	42453	96%	**85	100%
Shooters World Auto Pistol	<<locked>>	75%	42453	96%	**93	98%
Shooters World Clean Shot	<<locked>>	63%	42438	96%	**42	100%
[Shooters World Major Pistol]*	<<locked>>	94%	42960	97%	**49	87%
Shooters World Ultimate Pistol	<<locked>>	64%	43918	99%	**53	100%
Somchem MP200 👍	<<locked>>	93%	43918	99%	**60	100%
Somchem MS200 👍	<<locked>>	97%	41408	94%	**04	100%
Somchem S221	<<locked>>	87%	43337	98%	**12	93%
Vihtavuori 3N37	<<locked>>	97%	37898	86%	**30	99%
[Vihtavuori 3N38]*	<<locked>>	97%	25498	58%	**66	82%
Vihtavuori N310	<<locked>>	76%	43120	97%	**34	100%
Vihtavuori N320	<<locked>>	93%	43888	99%	**45	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	24497	55%	**60	100%
Vihtavuori N330	<<locked>>	95%	43004	97%	**01	100%
Vihtavuori N340 👍	<<locked>>	95%	39639	90%	**88	100%
Vihtavuori N350	<<locked>>	96%	34171	77%	**81	99%
Winchester 231	<<locked>>	80%	43004	97%	**68	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	79%	16360	37%	**43	81%
ADI AP 70N	<<locked>>	60%	22104	50%	**29	100%
ADI AS 30	<<locked>>	61%	19667	44%	**1	100%
ADI AS 50N	<<locked>>	62%	20856	47%	**50	100%
Accurate No. 2	<<locked>>	61%	17477	40%	**27	94%
Accurate No. 5	<<locked>>	61%	26237	59%	**63	92%
[Accurate No. 7]*	<<locked>>	84%	29573	67%	**62	81%
Accurate Solo 1000	<<locked>>	62%	20276	46%	**24	100%
Accurate Solo 1250	<<locked>>	60%	15098	34%	**1	99%
Alliant BULLSEYE	<<locked>>	61%	20349	46%	**19	99%
[Alliant POWER PISTOL]*	<<locked>>	67%	17202	39%	**96	81%
Alliant UNIQUE	<<locked>>	60%	15229	34%	**10	95%
Baschieri & Pellagri 100	<<locked>>	60%	17405	39%	**4	100%
Hodgdon Clays	<<locked>>	60%	22321	50%	**8	100%
Hodgdon HP38	<<locked>>	62%	32474	73%	**47	100%
Hodgdon HS-6	<<locked>>	61%	21466	49%	**58	91%
Hodgdon Longshot	<<locked>>	61%	24250	55%	**17	95%
Hodgdon TiteGroup	<<locked>>	62%	38348	87%	**60	100%
Hodgdon Universal	<<locked>>	60%	18405	42%	**56	100%
Hodgdon TrailBoss	<<locked>>	68%	6817	15%	**3	99%
Lovex D032	<<locked>>	62%	39798	90%	**16	100%
Lovex D036	<<locked>>	61%	26194	59%	**63	92%
[Lovex D037.1]*	<<locked>>	84%	29573	67%	**62	81%
Lovex S011	<<locked>>	61%	24613	56%	**25	100%
Lovex S020	<<locked>>	62%	18246	41%	**66	99%
Maxam CSB 1	<<locked>>	60%	14591	33%	**1	99%
Maxam CSB 2	<<locked>>	61%	15084	34%	**01	100%
Maxam CSB 3	<<locked>>	62%	17898	40%	**14	100%
Maxam CSB 4	<<locked>>	61%	18884	43%	**17	100%
Maxam CSB 5	<<locked>>	61%	21379	48%	**17	100%
Ramshot Silhouette	<<locked>>	61%	21944	50%	**61	97%
Ramshot True Blue	<<locked>>	61%	24700	56%	**14	95%
Ramshot Zip	<<locked>>	61%	31488	71%	**40	100%
ReloadSwiss RS 12	<<locked>>	60%	19479	44%	**79	100%
ReloadSwiss RS 14	<<locked>>	71%	6686	15%	**9	95%
ReloadSwiss RS 20	<<locked>>	62%	14098	32%	**04	96%
[ReloadSwiss RS 24]*	<<locked>>	83%	24787	56%	**57	80%
Rottweil P 801	<<locked>>	61%	24366	55%	**15	100%
[Rottweil P 806]*	<<locked>>	72%	12038	27%	**30	81%
SNPE Vectan A0	<<locked>>	60%	14808	33%	**8	94%
SNPE Vectan BA 9	<<locked>>	62%	18913	43%	**43	100%
SNPE Vectan BA10	<<locked>>	61%	24236	55%	**17	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12270	28%	**6	82%
SNPE Vectan BA9 1/2	<<locked>>	62%	18318	41%	**43	100%
Shooters World Auto Pistol	<<locked>>	61%	26194	59%	**63	92%
Shooters World Clean Shot	<<locked>>	62%	39798	90%	**16	100%
[Shooters World Major Pistol]*	<<locked>>	84%	29573	67%	**62	81%
Shooters World Ultimate Pistol	<<locked>>	61%	39900	90%	**07	100%
Somchem MP200	<<locked>>	60%	17796	40%	**60	96%
Somchem MS200	<<locked>>	61%	16998	38%	**24	97%
[Somchem S221]*	<<locked>>	63%	20436	46%	**45	81%
[Vihtavuori 3N37]*	<<locked>>	61%	13619	31%	**1	86%
[Vihtavuori 3N38]*	<<locked>>	93%	23119	52%	**20	80%
Vihtavuori N310	<<locked>>	62%	29109	66%	**93	100%
Vihtavuori N320	<<locked>>	61%	18898	43%	**30	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	10704	24%	**7	100%
Vihtavuori N330	<<locked>>	62%	16984	38%	**47	100%
Vihtavuori N340	<<locked>>	61%	15389	35%	**4	95%
[Vihtavuori N350]*	<<locked>>	61%	12502	28%	**2	84%
Winchester 231	<<locked>>	61%	24860	56%	**48	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.

<<locked>>... you need to buy an access license to unlock the data