Load data for .357 Auto Magnum + .357 | 158gr | Hornady FP XTP

Recommended Powder(s): ADI AP 100

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Hornady FP XTP
Manufacturer SKU:	35780
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.664" \| 16.9mm
Caliber:	.357 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.387" \| 9.8mm
Shank Seated Depth:	0.387" \| 9.8mm
Case Capacity:	35.0 Grains of Water \| 2.27 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	36985 psi \| 2550 bar
LID:	LID_B2782_C511
Last updated:	2025-01-01

Load data for 70 loads in caliber .357 Auto Magnum with .357 | 158gr | Hornady FP XTP bullet and 35 powders such as ADI AP 100. 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>>	78%	32358	87%	**94	100%
ADI APS 450	<<locked>>	64%	32967	89%	**52	100%
ADI AS 30	<<locked>>	63%	32721	88%	**78	100%
[Accurate 4100]*	<<locked>>	80%	32343	87%	**47	84%
Accurate No. 9	<<locked>>	69%	33127	90%	**50	90%
Accurate Solo 1250	<<locked>>	65%	32996	89%	**63	100%
Accurate TCM	<<locked>>	69%	33098	89%	**53	92%
[Alliant 2400]*	<<locked>>	78%	32967	89%	**76	88%
Alliant BLUE DOT	<<locked>>	79%	32605	88%	**37	94%
Alliant POWER PISTOL	<<locked>>	64%	33257	90%	**44	100%
Alliant UNIQUE	<<locked>>	65%	33098	90%	**35	100%
[Hodgdon LilGun]*	<<locked>>	88%	32039	87%	**29	87%
Hodgdon TrailBoss	<<locked>>	97%	21002	57%	**04	100%
Lovex D037.2	<<locked>>	67%	32256	87%	**34	90%
Maxam CSB 1	<<locked>>	67%	32169	87%	**47	100%
Maxam CSB 2	<<locked>>	63%	32314	87%	**43	100%
Maxam CSB 3	<<locked>>	63%	32242	87%	**24	100%
[Ramshot Enforcer]*	<<locked>>	78%	32764	89%	**83	89%
ReloadSwiss RS 14	<<locked>>	97%	19870	54%	**17	100%
ReloadSwiss RS 20	<<locked>>	65%	32750	89%	**12	100%
ReloadSwiss RS 24	<<locked>>	67%	33156	90%	**47	97%
Rottweil P 806	<<locked>>	69%	32996	89%	**27	100%
SNPE Vectan A0	<<locked>>	67%	32576	88%	**89	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	96%	25295	68%	**25	86%
SNPE Vectan BA7 1/2	<<locked>>	71%	32663	88%	**52	100%
SNPE Vectan BA9 1/2	<<locked>>	63%	33228	90%	**70	100%
Shooters World Heavy Pistol	<<locked>>	67%	32256	87%	**34	90%
Somchem MS200	<<locked>>	63%	32140	87%	**89	100%
Vihtavuori 3N37	<<locked>>	64%	31952	86%	**52	100%
Vihtavuori 3N38	<<locked>>	76%	33040	89%	**30	98%
Vihtavuori N105	<<locked>>	80%	32039	87%	**50	100%
[Vihtavuori N110]*	<<locked>>	96%	31096	84%	**60	87%
Vihtavuori N32C Tin Star	<<locked>>	82%	33199	90%	**52	100%
Vihtavuori N340	<<locked>>	63%	31879	86%	**86	100%
Vihtavuori N350	<<locked>>	68%	32924	89%	**58	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	19769	53%	**52	96%
ADI APS 450	<<locked>>	61%	31096	84%	**22	100%
ADI AS 30	<<locked>>	60%	30763	83%	**48	100%
[Accurate 4100]*	<<locked>>	76%	28108	76%	**78	81%
[Accurate No. 9]*	<<locked>>	61%	25019	68%	**99	85%
Accurate Solo 1250	<<locked>>	61%	29095	79%	**11	100%
[Accurate TCM]*	<<locked>>	61%	25063	68%	**06	87%
[Alliant 2400]*	<<locked>>	68%	24033	65%	**89	81%
[Alliant BLUE DOT]*	<<locked>>	61%	19131	52%	**61	85%
Alliant POWER PISTOL	<<locked>>	61%	29849	81%	**75	99%
Alliant UNIQUE	<<locked>>	61%	29515	80%	**83	100%
[Hodgdon LilGun]*	<<locked>>	80%	24381	66%	**65	81%
Hodgdon TrailBoss	<<locked>>	61%	10588	29%	**4	100%
[Lovex D037.2]*	<<locked>>	61%	25614	69%	**16	86%
Maxam CSB 1	<<locked>>	60%	26803	72%	**71	100%
Maxam CSB 2	<<locked>>	61%	30385	82%	**17	100%
Maxam CSB 3	<<locked>>	61%	30371	82%	**01	100%
[Ramshot Enforcer]*	<<locked>>	68%	22553	61%	**73	81%
ReloadSwiss RS 14	<<locked>>	62%	10182	28%	**7	100%
ReloadSwiss RS 20	<<locked>>	61%	29124	79%	**66	100%
ReloadSwiss RS 24	<<locked>>	61%	27224	74%	**32	94%
Rottweil P 806	<<locked>>	61%	24903	67%	**96	100%
SNPE Vectan A0	<<locked>>	61%	27441	74%	**17	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	88%	20218	55%	**11	81%
SNPE Vectan BA7 1/2	<<locked>>	61%	23772	64%	**11	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	31430	85%	**47	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25614	69%	**16	86%
Somchem MS200	<<locked>>	61%	30371	82%	**66	100%
Vihtavuori 3N37	<<locked>>	61%	28471	77%	**06	100%
Vihtavuori 3N38	<<locked>>	61%	20885	56%	**01	91%
Vihtavuori N105	<<locked>>	61%	16911	46%	**35	91%
[Vihtavuori N110]*	<<locked>>	86%	23264	63%	**99	80%
Vihtavuori N32C Tin Star	<<locked>>	61%	20407	55%	**4	100%
Vihtavuori N340	<<locked>>	61%	29965	81%	**63	100%
Vihtavuori N350	<<locked>>	61%	26339	71%	**60	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