Load data for .38 Super Auto + .357 | 158gr | H&N RN KB

Recommended Powder(s): Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N RN KB
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	<<locked>>
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B7482_C583
Last updated:	2026-03-01

Load data for 124 loads in caliber .38 Super Auto with .357 | 158gr | H&N RN KB bullet and 62 powders such as Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Vihtavuori N350. 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>>	96%	24076	72%	**20	91%
ADI AP 70N	<<locked>>	72%	29544	89%	**33	100%
ADI APS 350	<<locked>>	72%	29211	88%	**3	100%
ADI APS 450	<<locked>>	75%	29269	88%	**6	100%
ADI AS 30	<<locked>>	79%	29109	87%	**5	100%
ADI AS 50N	<<locked>>	76%	28935	87%	**4	100%
Accurate No. 2	<<locked>>	77%	28921	87%	**20	100%
Accurate No. 5	<<locked>>	65%	29414	88%	**96	95%
[Accurate No. 7]*	<<locked>>	85%	29225	88%	**38	83%
Accurate Solo 1000	<<locked>>	78%	29907	90%	**5	100%
Accurate Solo 1250	<<locked>>	86%	29747	89%	**17	100%
Alliant BE-86	<<locked>>	84%	29863	90%	**17	100%
Alliant BULLSEYE	<<locked>>	75%	29588	89%	**70	100%
Alliant Herco	<<locked>>	96%	25164	75%	**24	100%
Alliant POWER PISTOL	<<locked>>	87%	29472	88%	**38	93%
Alliant RED DOT	<<locked>>	82%	29341	88%	**1	100%
Alliant Sport Pistol	<<locked>>	69%	29254	88%	**66	100%
Alliant UNIQUE 👍	<<locked>>	88%	29921	90%	**86	100%
Baschieri & Pellagri 100	<<locked>>	80%	28993	87%	**5	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	25744	77%	**8	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	77%	29776	89%	**04	100%
Hodgdon Clays	<<locked>>	72%	29501	88%	**6	100%
Hodgdon HS-6	<<locked>>	72%	29863	90%	**93	97%
Hodgdon Longshot	<<locked>>	68%	29182	87%	**83	98%
Hodgdon Universal	<<locked>>	80%	29544	89%	**33	100%
Hodgdon CFE Pistol	<<locked>>	82%	29414	88%	**27	100%
Lovex D036	<<locked>>	65%	29370	88%	**96	95%
[Lovex D037.1]*	<<locked>>	85%	29225	88%	**38	83%
Lovex S011	<<locked>>	68%	29080	87%	**1	100%
Lovex S020	<<locked>>	79%	29588	89%	**43	100%
Maxam CSB 1	<<locked>>	90%	29965	90%	**17	100%
Maxam CSB 2	<<locked>>	87%	29109	87%	**27	100%
Maxam CSB 3	<<locked>>	83%	29559	89%	**4	100%
Maxam CSB 4	<<locked>>	80%	30023	90%	**8	100%
Maxam CSB 5	<<locked>>	73%	28877	87%	**5	100%
Ramshot Silhouette 👍	<<locked>>	71%	29399	88%	**73	100%
Ramshot True Blue	<<locked>>	67%	29965	90%	**86	98%
ReloadSwiss RS 12	<<locked>>	75%	28906	87%	**10	100%
ReloadSwiss RS 20 👍	<<locked>>	90%	29776	89%	**86	100%
[ReloadSwiss RS 24]*	<<locked>>	91%	29907	90%	**32	87%
Rottweil P 801	<<locked>>	69%	28935	87%	**1	100%
Rottweil P 806	<<locked>>	96%	25715	77%	**48	97%
SNPE Vectan A0	<<locked>>	88%	29602	89%	**30	100%
SNPE Vectan BA 9	<<locked>>	79%	29443	88%	**10	100%
SNPE Vectan BA10	<<locked>>	70%	29254	88%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	29892	90%	**76	98%
SNPE Vectan BA9 1/2	<<locked>>	82%	30023	90%	**27	100%
SNPE Vectan SP 2	<<locked>>	85%	29689	89%	**65	95%
Shooters World Auto Pistol	<<locked>>	65%	29370	88%	**96	95%
[Shooters World Major Pistol]*	<<locked>>	85%	29225	88%	**38	83%
Somchem MP200 👍	<<locked>>	79%	29341	88%	**63	100%
Somchem MS200	<<locked>>	84%	29602	89%	**47	100%
Somchem S221	<<locked>>	76%	29907	90%	**19	90%
Vihtavuori 3N37	<<locked>>	88%	29080	87%	**96	99%
[Vihtavuori 3N38]*	<<locked>>	97%	24352	73%	**47	84%
Vihtavuori N310	<<locked>>	62%	28601	86%	**6	100%
Vihtavuori N320	<<locked>>	78%	29559	89%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	23496	70%	**9	100%
Vihtavuori N330	<<locked>>	81%	29385	88%	**37	100%
Vihtavuori N340	<<locked>>	85%	30023	90%	**56	100%
Vihtavuori N350 👍	<<locked>>	92%	29733	89%	**99	99%
Winchester 231	<<locked>>	68%	29950	90%	**10	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	76%	14040	42%	**0	81%
ADI AP 70N	<<locked>>	62%	21843	65%	**2	100%
ADI APS 350	<<locked>>	67%	25556	77%	**7	100%
ADI APS 450	<<locked>>	64%	22771	68%	**3	100%
ADI AS 30	<<locked>>	63%	19595	59%	**7	100%
ADI AS 50N	<<locked>>	61%	19058	57%	**0	100%
Accurate No. 2	<<locked>>	61%	17085	51%	**3	96%
Accurate No. 5	<<locked>>	62%	25933	78%	**47	94%
[Accurate No. 7]*	<<locked>>	80%	24468	73%	**70	80%
Accurate Solo 1000	<<locked>>	61%	18681	56%	**7	100%
Accurate Solo 1250	<<locked>>	64%	15940	48%	**3	100%
Alliant BE-86	<<locked>>	63%	15621	47%	**0	100%
Alliant BULLSEYE	<<locked>>	61%	19928	60%	**2	99%
Alliant Herco	<<locked>>	72%	13677	41%	**3	96%
[Alliant POWER PISTOL]*	<<locked>>	64%	14446	43%	**3	80%
Alliant RED DOT	<<locked>>	64%	18797	56%	**0	100%
Alliant Sport Pistol	<<locked>>	60%	21669	65%	**8	100%
Alliant UNIQUE	<<locked>>	60%	13837	41%	**3	96%
Baschieri & Pellagri 100	<<locked>>	62%	17535	53%	**3	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	78%	16201	49%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	17550	53%	**6	100%
Hodgdon Clays	<<locked>>	65%	24584	74%	**3	100%
Hodgdon HS-6	<<locked>>	61%	20363	61%	**5	92%
Hodgdon Longshot	<<locked>>	62%	23279	70%	**04	96%
Hodgdon Universal	<<locked>>	61%	17056	51%	**3	100%
Hodgdon CFE Pistol	<<locked>>	61%	16215	49%	**6	100%
Lovex D036	<<locked>>	62%	25889	78%	**47	93%
[Lovex D037.1]*	<<locked>>	80%	24468	73%	**70	80%
Lovex S011	<<locked>>	60%	22814	68%	**9	100%
Lovex S020	<<locked>>	61%	16650	50%	**9	99%
Maxam CSB 1	<<locked>>	66%	15824	47%	**7	100%
Maxam CSB 2	<<locked>>	63%	14083	42%	**3	100%
Maxam CSB 3	<<locked>>	61%	16447	49%	**0	100%
Maxam CSB 4	<<locked>>	61%	17854	54%	**0	100%
Maxam CSB 5	<<locked>>	62%	21132	63%	**0	100%
Ramshot Silhouette	<<locked>>	61%	20987	63%	**5	98%
Ramshot True Blue	<<locked>>	61%	23989	72%	**07	96%
ReloadSwiss RS 12	<<locked>>	61%	18333	55%	**3	100%
ReloadSwiss RS 20	<<locked>>	62%	13068	39%	**0	97%
[ReloadSwiss RS 24]*	<<locked>>	79%	20784	62%	**1	80%
Rottweil P 801	<<locked>>	61%	21901	66%	**2	100%
[Rottweil P 806]*	<<locked>>	71%	10037	30%	**0	81%
SNPE Vectan A0	<<locked>>	65%	15809	47%	**7	97%
SNPE Vectan BA 9	<<locked>>	61%	17506	52%	**0	100%
SNPE Vectan BA10	<<locked>>	60%	22756	68%	**3	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	69%	14402	43%	**3	88%
SNPE Vectan BA9 1/2	<<locked>>	60%	16172	48%	**7	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	12575	38%	**0	80%
Shooters World Auto Pistol	<<locked>>	62%	25889	78%	**47	93%
[Shooters World Major Pistol]*	<<locked>>	80%	24468	73%	**70	80%
Somchem MP200	<<locked>>	60%	16346	49%	**6	96%
Somchem MS200	<<locked>>	62%	16172	48%	**0	98%
[Somchem S221]*	<<locked>>	61%	17231	52%	**9	80%
[Vihtavuori 3N37]*	<<locked>>	63%	13227	40%	**3	88%
[Vihtavuori 3N38]*	<<locked>>	90%	20030	60%	**8	81%
Vihtavuori N310	<<locked>>	61%	27282	82%	**3	100%
Vihtavuori N320	<<locked>>	60%	17129	51%	**7	100%
Vihtavuori N32C Tin Star	<<locked>>	89%	20073	60%	**0	100%
Vihtavuori N330	<<locked>>	60%	14736	44%	**0	100%
Vihtavuori N340	<<locked>>	61%	14620	44%	**3	97%
[Vihtavuori N350]*	<<locked>>	66%	13184	40%	**0	88%
Winchester 231	<<locked>>	61%	23975	72%	**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