Load data for .38 Super Auto + .357 | 158gr | Hornady XTP

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Hornady XTP
Manufacturer SKU:	35750
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.675" \| 17.1mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.304" \| 7.7mm
Shank Seated Depth:	0.304" \| 7.7mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B2783_C583
Last updated:	2025-02-02

Load data for 114 loads in caliber .38 Super Auto with .357 | 158gr | Hornady XTP bullet and 57 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, 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>>	95%	25889	78%	**50	92%
ADI AP 70N	<<locked>>	69%	29878	90%	**37	100%
ADI APS 350	<<locked>>	71%	29747	89%	**9	100%
ADI APS 450	<<locked>>	71%	28442	85%	**9	100%
ADI AS 30	<<locked>>	75%	29066	87%	**5	100%
ADI AS 50N	<<locked>>	72%	29051	87%	**4	100%
Accurate No. 2	<<locked>>	74%	28094	84%	**17	100%
Accurate No. 5	<<locked>>	62%	28645	86%	**96	95%
[Accurate No. 7]*	<<locked>>	81%	29602	89%	**48	84%
Accurate Solo 1000	<<locked>>	73%	28094	84%	**8	100%
Accurate Solo 1250	<<locked>>	82%	29225	88%	**14	100%
Alliant BULLSEYE	<<locked>>	71%	28863	87%	**63	100%
Alliant POWER PISTOL	<<locked>>	83%	28892	87%	**35	93%
Alliant UNIQUE 👍	<<locked>>	84%	29979	90%	**86	100%
Baschieri & Pellagri 100	<<locked>>	76%	28689	86%	**1	100%
Hodgdon Clays	<<locked>>	71%	29979	90%	**6	100%
Hodgdon HS-6	<<locked>>	68%	29254	88%	**89	97%
Hodgdon Longshot	<<locked>>	65%	29501	88%	**89	98%
Hodgdon Universal	<<locked>>	76%	29878	90%	**37	100%
Hodgdon CFE Pistol	<<locked>>	78%	29196	88%	**24	100%
Hodgdon TrailBoss	<<locked>>	95%	11893	36%	**2	100%
Lovex D036	<<locked>>	62%	28601	86%	**93	95%
[Lovex D037.1]*	<<locked>>	81%	29602	89%	**48	84%
Lovex S011	<<locked>>	65%	28413	85%	**4	100%
Lovex S020	<<locked>>	75%	29327	88%	**43	100%
Maxam CSB 1	<<locked>>	86%	29515	88%	**10	100%
Maxam CSB 2	<<locked>>	83%	29501	88%	**27	100%
Maxam CSB 3	<<locked>>	79%	29138	87%	**8	100%
Maxam CSB 4	<<locked>>	75%	28326	85%	**5	100%
Maxam CSB 5	<<locked>>	71%	29718	89%	**5	100%
Ramshot Silhouette	<<locked>>	68%	28863	87%	**66	100%
Ramshot True Blue	<<locked>>	63%	28253	85%	**73	98%
ReloadSwiss RS 12	<<locked>>	71%	28572	86%	**04	100%
ReloadSwiss RS 14	<<locked>>	93%	10515	32%	**2	100%
ReloadSwiss RS 20 👍	<<locked>>	86%	29327	88%	**79	100%
[ReloadSwiss RS 24]*	<<locked>>	87%	29138	87%	**29	87%
Rottweil P 801	<<locked>>	65%	28442	85%	**1	100%
Rottweil P 806	<<locked>>	96%	29791	89%	**01	98%
SNPE Vectan A0	<<locked>>	84%	28950	87%	**27	100%
SNPE Vectan BA 9	<<locked>>	75%	28877	87%	**07	100%
SNPE Vectan BA10	<<locked>>	66%	28427	85%	**9	100%
SNPE Vectan BA7 1/2	<<locked>>	92%	29892	90%	**79	98%
SNPE Vectan BA9 1/2	<<locked>>	78%	29921	90%	**27	100%
Shooters World Auto Pistol	<<locked>>	62%	28601	86%	**93	95%
[Shooters World Major Pistol]*	<<locked>>	81%	29602	89%	**48	84%
Somchem MP200 👍	<<locked>>	76%	28950	87%	**60	100%
Somchem MS200	<<locked>>	80%	29399	88%	**43	100%
Somchem S221	<<locked>>	73%	29631	89%	**12	90%
Vihtavuori 3N37	<<locked>>	85%	29457	88%	**02	99%
[Vihtavuori 3N38]*	<<locked>>	95%	26165	78%	**76	86%
[Vihtavuori N105]*	<<locked>>	95%	19696	59%	**10	84%
Vihtavuori N320	<<locked>>	75%	29457	88%	**4	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25715	77%	**9	100%
Vihtavuori N330	<<locked>>	78%	28892	87%	**33	100%
Vihtavuori N340 👍	<<locked>>	81%	29472	88%	**50	100%
Vihtavuori N350	<<locked>>	88%	28993	87%	**89	99%
Winchester 231	<<locked>>	65%	29443	88%	**10	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	71%	13967	42%	**0	81%
ADI AP 70N	<<locked>>	62%	24178	72%	**8	100%
ADI APS 350	<<locked>>	60%	22974	69%	**7	100%
ADI APS 450	<<locked>>	61%	22350	67%	**0	100%
ADI AS 30	<<locked>>	62%	20972	63%	**7	100%
ADI AS 50N	<<locked>>	61%	21422	64%	**9	100%
Accurate No. 2	<<locked>>	61%	18840	56%	**3	97%
Accurate No. 5	<<locked>>	60%	27021	81%	**70	95%
[Accurate No. 7]*	<<locked>>	77%	24729	74%	**79	81%
Accurate Solo 1000	<<locked>>	61%	20436	61%	**0	100%
Accurate Solo 1250	<<locked>>	62%	17071	51%	**0	100%
Alliant BULLSEYE	<<locked>>	61%	21669	65%	**8	100%
[Alliant POWER PISTOL]*	<<locked>>	62%	15621	47%	**6	82%
Alliant UNIQUE	<<locked>>	60%	15911	48%	**3	97%
Baschieri & Pellagri 100	<<locked>>	62%	19551	59%	**0	100%
Hodgdon Clays	<<locked>>	60%	23076	69%	**7	100%
Hodgdon HS-6	<<locked>>	61%	23105	69%	**7	94%
Hodgdon Longshot	<<locked>>	60%	24685	74%	**24	97%
Hodgdon Universal	<<locked>>	60%	19377	58%	**6	100%
Hodgdon CFE Pistol	<<locked>>	61%	18159	54%	**6	100%
Hodgdon TrailBoss	<<locked>>	90%	10892	33%	**9	100%
Lovex D036	<<locked>>	60%	26977	81%	**70	94%
[Lovex D037.1]*	<<locked>>	77%	24729	74%	**79	81%
Lovex S011	<<locked>>	62%	26281	79%	**1	100%
Lovex S020	<<locked>>	61%	18594	56%	**6	100%
Maxam CSB 1	<<locked>>	60%	15084	45%	**4	100%
Maxam CSB 2	<<locked>>	61%	15867	48%	**6	100%
Maxam CSB 3	<<locked>>	62%	18347	55%	**0	100%
Maxam CSB 4	<<locked>>	60%	19087	57%	**3	100%
Maxam CSB 5	<<locked>>	62%	23148	69%	**6	100%
Ramshot Silhouette	<<locked>>	60%	22568	68%	**8	99%
Ramshot True Blue	<<locked>>	61%	26701	80%	**47	98%
ReloadSwiss RS 12	<<locked>>	61%	21132	63%	**2	100%
ReloadSwiss RS 14	<<locked>>	88%	9573	29%	**6	100%
ReloadSwiss RS 20	<<locked>>	60%	14098	42%	**3	98%
[ReloadSwiss RS 24]*	<<locked>>	75%	20726	62%	**1	80%
Rottweil P 801	<<locked>>	60%	24584	74%	**8	100%
[Rottweil P 806]*	<<locked>>	64%	10167	30%	**4	81%
SNPE Vectan A0	<<locked>>	61%	15519	47%	**7	97%
SNPE Vectan BA 9	<<locked>>	61%	19087	57%	**3	100%
SNPE Vectan BA10	<<locked>>	60%	24308	73%	**3	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	13503	40%	**4	87%
SNPE Vectan BA9 1/2	<<locked>>	60%	18043	54%	**6	100%
Shooters World Auto Pistol	<<locked>>	60%	26977	81%	**70	94%
[Shooters World Major Pistol]*	<<locked>>	77%	24729	74%	**79	81%
Somchem MP200	<<locked>>	62%	19696	59%	**2	98%
Somchem MS200	<<locked>>	62%	18028	54%	**9	99%
[Somchem S221]*	<<locked>>	61%	20218	61%	**8	84%
Vihtavuori 3N37	<<locked>>	61%	14388	43%	**6	90%
[Vihtavuori 3N38]*	<<locked>>	85%	19508	58%	**1	80%
[Vihtavuori N105]*	<<locked>>	88%	16534	50%	**2	80%
Vihtavuori N320	<<locked>>	60%	19595	59%	**6	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11603	35%	**6	100%
Vihtavuori N330	<<locked>>	62%	18217	55%	**2	100%
Vihtavuori N340	<<locked>>	61%	16389	49%	**0	98%
[Vihtavuori N350]*	<<locked>>	60%	12763	38%	**4	88%
Winchester 231	<<locked>>	60%	25759	77%	**5	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