Load data for .357 SIG + .357 | 125gr | Hornady XTP

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Hornady XTP
Manufacturer SKU:	35710
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.558" \| 14.2mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.295" \| 7.5mm
Shank Seated Depth:	0.295" \| 7.5mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B2779_C518
Last updated:	2025-02-02

Load data for 116 loads in caliber .357 SIG with .357 | 125gr | Hornady XTP bullet and 58 powders such as Alliant UNIQUE, Hodgdon Longshot, ReloadSwiss RS 20, 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".

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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>>	97%	26179	59%	**63	90%
ADI AP 70N	<<locked>>	80%	39682	90%	**65	100%
ADI APS 350	<<locked>>	84%	39262	89%	**58	100%
ADI APS 450	<<locked>>	85%	38174	86%	**88	100%
ADI AS 30	<<locked>>	89%	38261	87%	**40	100%
ADI AS 50N	<<locked>>	86%	39117	88%	**99	100%
Accurate No. 2	<<locked>>	86%	39073	88%	**62	100%
Accurate No. 5	<<locked>>	71%	38638	87%	**50	97%
[Accurate No. 7]*	<<locked>>	90%	38798	88%	**96	86%
Accurate Solo 1000	<<locked>>	88%	38537	87%	**70	100%
Accurate Solo 1250	<<locked>>	95%	39595	90%	**42	100%
Alliant BULLSEYE	<<locked>>	84%	39407	89%	**14	100%
Alliant POWER PISTOL	<<locked>>	95%	38479	87%	**99	95%
Alliant UNIQUE 👍	<<locked>>	95%	38145	86%	**14	100%
Baschieri & Pellagri 100	<<locked>>	88%	37927	86%	**70	100%
Hodgdon Clays	<<locked>>	84%	39595	90%	**75	100%
Hodgdon HP38	<<locked>>	66%	38870	88%	**16	100%
Hodgdon HS-6	<<locked>>	77%	38580	87%	**37	98%
Hodgdon Longshot 👍	<<locked>>	75%	39276	89%	**47	99%
Hodgdon Universal	<<locked>>	89%	39682	90%	**65	100%
Hodgdon TrailBoss	<<locked>>	95%	11603	26%	**7	100%
Lovex D036	<<locked>>	71%	38566	87%	**50	97%
[Lovex D037.1]*	<<locked>>	90%	38798	88%	**96	86%
Lovex S011	<<locked>>	76%	38145	86%	**93	100%
Lovex S020	<<locked>>	86%	38870	88%	**71	100%
Maxam CSB 1	<<locked>>	96%	36782	83%	**12	100%
Maxam CSB 2	<<locked>>	96%	38885	88%	**52	100%
Maxam CSB 3	<<locked>>	92%	38014	86%	**02	100%
Maxam CSB 4	<<locked>>	89%	38508	87%	**83	100%
Maxam CSB 5	<<locked>>	84%	39349	89%	**40	100%
Ramshot Silhouette	<<locked>>	78%	38740	88%	**14	100%
Ramshot True Blue	<<locked>>	72%	38305	87%	**24	99%
Ramshot Zip	<<locked>>	68%	39494	89%	**35	100%
ReloadSwiss RS 12	<<locked>>	83%	38899	88%	**35	100%
ReloadSwiss RS 14	<<locked>>	93%	10138	23%	**7	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	36898	83%	**01	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	37130	84%	**63	88%
Rottweil P 801	<<locked>>	77%	38841	88%	**93	100%
Rottweil P 806	<<locked>>	96%	28195	64%	**04	96%
SNPE Vectan A0	<<locked>>	95%	36535	83%	**42	100%
SNPE Vectan BA 9	<<locked>>	88%	38711	88%	**35	100%
SNPE Vectan BA10	<<locked>>	79%	38159	86%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	32996	75%	**39	98%
SNPE Vectan BA9 1/2	<<locked>>	90%	38870	88%	**45	100%
Shooters World Auto Pistol	<<locked>>	71%	38566	87%	**50	97%
[Shooters World Major Pistol]*	<<locked>>	90%	38798	88%	**96	86%
Somchem MP200	<<locked>>	87%	38000	86%	**98	100%
Somchem MS200 👍	<<locked>>	94%	39798	90%	**91	100%
Somchem S221	<<locked>>	83%	39465	89%	**73	93%
Vihtavuori 3N37	<<locked>>	95%	37869	86%	**40	99%
[Vihtavuori 3N38]*	<<locked>>	95%	25657	58%	**76	83%
Vihtavuori N310	<<locked>>	72%	38943	88%	**01	100%
Vihtavuori N320	<<locked>>	85%	37739	85%	**83	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25121	57%	**70	100%
Vihtavuori N330	<<locked>>	90%	39044	88%	**65	100%
Vihtavuori N340 👍	<<locked>>	92%	38014	86%	**75	100%
Vihtavuori N350	<<locked>>	95%	34389	78%	**85	99%
Winchester 231	<<locked>>	75%	39494	89%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	15809	36%	**30	81%
ADI AP 70N	<<locked>>	61%	22872	52%	**45	100%
ADI APS 350	<<locked>>	61%	23322	53%	**8	100%
ADI APS 450	<<locked>>	61%	21872	49%	**4	100%
ADI AS 30	<<locked>>	62%	20726	47%	**07	100%
ADI AS 50N	<<locked>>	62%	21698	49%	**66	100%
Accurate No. 2	<<locked>>	61%	18173	41%	**40	95%
Accurate No. 5	<<locked>>	61%	26542	60%	**73	92%
[Accurate No. 7]*	<<locked>>	81%	28384	64%	**45	81%
Accurate Solo 1000	<<locked>>	60%	19653	44%	**14	100%
Accurate Solo 1250	<<locked>>	60%	15925	36%	**1	100%
Alliant BULLSEYE	<<locked>>	61%	21089	48%	**35	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	16650	38%	**83	80%
Alliant UNIQUE	<<locked>>	60%	15664	35%	**20	96%
Baschieri & Pellagri 100	<<locked>>	60%	18130	41%	**7	100%
Hodgdon Clays	<<locked>>	61%	23482	53%	**4	100%
Hodgdon HP38	<<locked>>	61%	32924	74%	**57	100%
Hodgdon HS-6	<<locked>>	60%	21973	50%	**71	92%
Hodgdon Longshot	<<locked>>	61%	24395	55%	**20	95%
Hodgdon Universal	<<locked>>	61%	19102	43%	**73	100%
Hodgdon TrailBoss	<<locked>>	66%	6744	15%	**6	99%
Lovex D036	<<locked>>	61%	26498	60%	**70	92%
[Lovex D037.1]*	<<locked>>	81%	28384	64%	**45	81%
Lovex S011	<<locked>>	61%	25396	57%	**35	100%
Lovex S020	<<locked>>	62%	18942	43%	**79	99%
Maxam CSB 1	<<locked>>	61%	15374	35%	**1	99%
Maxam CSB 2	<<locked>>	62%	15867	36%	**14	100%
Maxam CSB 3	<<locked>>	60%	17419	39%	**04	100%
Maxam CSB 4	<<locked>>	61%	19711	45%	**30	100%
Maxam CSB 5	<<locked>>	61%	22408	51%	**30	100%
Ramshot Silhouette	<<locked>>	61%	22321	50%	**68	98%
Ramshot True Blue	<<locked>>	62%	26179	59%	**50	96%
Ramshot Zip	<<locked>>	61%	31923	72%	**50	100%
ReloadSwiss RS 12	<<locked>>	60%	20392	46%	**89	100%
ReloadSwiss RS 14	<<locked>>	69%	6643	15%	**6	95%
ReloadSwiss RS 20	<<locked>>	60%	13779	31%	**4	96%
[ReloadSwiss RS 24]*	<<locked>>	81%	23627	53%	**43	80%
Rottweil P 801	<<locked>>	61%	25019	57%	**29	100%
[Rottweil P 806]*	<<locked>>	69%	11676	26%	**17	81%
SNPE Vectan A0	<<locked>>	61%	15302	35%	**1	95%
SNPE Vectan BA 9	<<locked>>	60%	18275	41%	**33	99%
SNPE Vectan BA10	<<locked>>	62%	25208	57%	**30	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12647	29%	**2	83%
SNPE Vectan BA9 1/2	<<locked>>	60%	17767	40%	**33	100%
Shooters World Auto Pistol	<<locked>>	61%	26498	60%	**70	92%
[Shooters World Major Pistol]*	<<locked>>	81%	28384	64%	**45	81%
Somchem MP200	<<locked>>	60%	18347	41%	**73	96%
Somchem MS200	<<locked>>	62%	17521	40%	**40	98%
[Somchem S221]*	<<locked>>	61%	19493	44%	**32	80%
[Vihtavuori 3N37]*	<<locked>>	61%	14011	32%	**4	87%
[Vihtavuori 3N38]*	<<locked>>	90%	22104	50%	**11	80%
Vihtavuori N310	<<locked>>	62%	30153	68%	**02	100%
Vihtavuori N320	<<locked>>	62%	19754	45%	**50	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11356	26%	**3	100%
Vihtavuori N330	<<locked>>	62%	17477	40%	**60	100%
Vihtavuori N340	<<locked>>	61%	15911	36%	**14	96%
[Vihtavuori N350]*	<<locked>>	61%	12923	29%	**8	86%
Winchester 231	<<locked>>	61%	25512	58%	**61	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