Load data for 9 x 20 VGW + .357 | 158gr | H&N KS KB

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:	.357 \| 158gr \| H&N KS KB
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.642" \| 16.3mm
Caliber:	9 x 20 VGW load data
Case Length (l3):	0.786" \| 20.0mm
Cartridge Length (C.O.L.):	1.190" \| 30.2mm
Seated Depth:	0.238" \| 6.0mm
Shank Seated Depth:	0.218" \| 5.5mm
Case Capacity:	15.2 Grains of Water \| 0.99 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B7479_C1231
Last updated:	2025-01-01

Load data for 112 loads in caliber 9 x 20 VGW with .357 | 158gr | H&N KS KB bullet and 56 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".

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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%	23728	55%	**10	90%
ADI AP 70N	<<locked>>	80%	37043	85%	**06	100%
ADI APS 350	<<locked>>	86%	39001	90%	**5	100%
ADI APS 450	<<locked>>	86%	37246	86%	**5	100%
ADI AS 30	<<locked>>	90%	37318	86%	**07	100%
ADI AS 50N	<<locked>>	86%	36680	84%	**47	100%
Accurate No. 2	<<locked>>	86%	37565	86%	**06	100%
Accurate No. 5	<<locked>>	73%	38261	88%	**98	98%
[Accurate No. 7]*	<<locked>>	91%	37420	86%	**30	88%
Accurate Solo 1000	<<locked>>	90%	38914	89%	**43	100%
Accurate Solo 1250	<<locked>>	96%	37869	87%	**89	100%
Alliant BULLSEYE	<<locked>>	83%	37130	85%	**45	100%
Alliant POWER PISTOL	<<locked>>	97%	38377	88%	**40	96%
Alliant UNIQUE 👍	<<locked>>	97%	37217	86%	**61	100%
Baschieri & Pellagri 100	<<locked>>	90%	37130	85%	**33	100%
Hodgdon Clays	<<locked>>	82%	36680	84%	**8	100%
Hodgdon HP38	<<locked>>	66%	36463	84%	**63	100%
Hodgdon HS-6	<<locked>>	79%	38841	89%	**88	99%
Hodgdon Longshot	<<locked>>	75%	37028	85%	**68	100%
Hodgdon Universal	<<locked>>	89%	37043	85%	**06	100%
Lovex D036	<<locked>>	73%	38218	88%	**94	98%
[Lovex D037.1]*	<<locked>>	91%	37420	86%	**30	88%
Lovex S011	<<locked>>	76%	37246	86%	**53	100%
Lovex S020	<<locked>>	87%	37927	87%	**22	100%
Maxam CSB 1	<<locked>>	96%	35012	80%	**63	100%
Maxam CSB 2	<<locked>>	97%	36970	85%	**96	100%
Maxam CSB 3	<<locked>>	93%	37362	86%	**63	100%
Maxam CSB 4	<<locked>>	88%	36680	84%	**37	100%
Maxam CSB 5	<<locked>>	85%	38754	89%	**10	100%
Ramshot Silhouette	<<locked>>	80%	38682	89%	**65	100%
Ramshot True Blue	<<locked>>	74%	37753	87%	**68	100%
Ramshot Zip	<<locked>>	68%	37608	86%	**79	100%
ReloadSwiss RS 12	<<locked>>	85%	38218	88%	**96	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	34896	80%	**35	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	34418	79%	**84	89%
Rottweil P 801	<<locked>>	79%	37768	87%	**56	100%
Rottweil P 806	<<locked>>	96%	25585	59%	**42	97%
SNPE Vectan A0	<<locked>>	95%	34374	79%	**79	100%
SNPE Vectan BA 9	<<locked>>	90%	39001	90%	**96	100%
SNPE Vectan BA10	<<locked>>	80%	37231	86%	**5	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	29646	68%	**73	98%
SNPE Vectan BA9 1/2	<<locked>>	91%	37594	86%	**96	100%
Shooters World Auto Pistol	<<locked>>	73%	38218	88%	**94	98%
[Shooters World Major Pistol]*	<<locked>>	91%	37420	86%	**30	88%
Somchem MP200 👍	<<locked>>	90%	38624	89%	**58	100%
Somchem MS200 👍	<<locked>>	93%	36854	85%	**19	100%
Somchem S221	<<locked>>	84%	38305	88%	**11	94%
Vihtavuori 3N37	<<locked>>	95%	35070	81%	**61	100%
[Vihtavuori 3N38]*	<<locked>>	96%	24091	55%	**40	84%
Vihtavuori N310	<<locked>>	74%	39044	90%	**4	100%
Vihtavuori N320	<<locked>>	88%	38305	88%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	23888	55%	**3	100%
Vihtavuori N330	<<locked>>	90%	37637	86%	**09	100%
Vihtavuori N340 👍	<<locked>>	94%	37811	87%	**29	100%
Vihtavuori N350	<<locked>>	96%	32518	75%	**25	99%
Winchester 231	<<locked>>	75%	37608	86%	**79	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	75%	13764	32%	**0	80%
ADI AP 70N	<<locked>>	60%	20407	47%	**5	100%
ADI APS 350	<<locked>>	60%	21306	49%	**4	100%
ADI APS 450	<<locked>>	62%	21016	48%	**1	100%
ADI AS 30	<<locked>>	62%	19000	44%	**4	100%
ADI AS 50N	<<locked>>	61%	19363	45%	**3	100%
Accurate No. 2	<<locked>>	62%	17448	40%	**6	96%
Accurate No. 5	<<locked>>	60%	24656	57%	**30	93%
[Accurate No. 7]*	<<locked>>	79%	24279	56%	**66	80%
Accurate Solo 1000	<<locked>>	61%	18913	43%	**0	100%
Accurate Solo 1250	<<locked>>	60%	13996	32%	**1	100%
Alliant BULLSEYE	<<locked>>	62%	20349	47%	**2	100%
[Alliant POWER PISTOL]*	<<locked>>	65%	15273	35%	**3	81%
Alliant UNIQUE	<<locked>>	61%	14083	32%	**7	96%
Baschieri & Pellagri 100	<<locked>>	60%	16172	37%	**1	100%
Hodgdon Clays	<<locked>>	60%	21495	49%	**4	100%
Hodgdon HP38	<<locked>>	62%	31691	73%	**20	100%
Hodgdon HS-6	<<locked>>	61%	20871	48%	**8	93%
Hodgdon Longshot	<<locked>>	60%	22176	51%	**4	95%
Hodgdon Universal	<<locked>>	61%	17245	40%	**6	100%
Lovex D036	<<locked>>	60%	24627	57%	**30	93%
[Lovex D037.1]*	<<locked>>	79%	24279	56%	**66	80%
Lovex S011	<<locked>>	61%	23148	53%	**2	100%
Lovex S020	<<locked>>	62%	16839	39%	**9	99%
Maxam CSB 1	<<locked>>	60%	13329	31%	**4	99%
Maxam CSB 2	<<locked>>	62%	13619	31%	**4	100%
Maxam CSB 3	<<locked>>	62%	16694	38%	**3	100%
Maxam CSB 4	<<locked>>	60%	17303	40%	**0	100%
Maxam CSB 5	<<locked>>	62%	21509	49%	**0	100%
Ramshot Silhouette	<<locked>>	62%	21335	49%	**8	98%
Ramshot True Blue	<<locked>>	61%	24323	56%	**10	97%
Ramshot Zip	<<locked>>	61%	30487	70%	**14	100%
ReloadSwiss RS 12	<<locked>>	61%	18652	43%	**9	100%
ReloadSwiss RS 20	<<locked>>	61%	12662	29%	**0	97%
[ReloadSwiss RS 24]*	<<locked>>	80%	21074	48%	**4	80%
Rottweil P 801	<<locked>>	61%	22249	51%	**6	100%
[Rottweil P 806]*	<<locked>>	71%	10225	23%	**7	81%
SNPE Vectan A0	<<locked>>	61%	14141	32%	**1	96%
SNPE Vectan BA 9	<<locked>>	62%	17869	41%	**0	100%
SNPE Vectan BA10	<<locked>>	61%	23105	53%	**3	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	11298	26%	**1	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	16331	38%	**0	100%
Shooters World Auto Pistol	<<locked>>	60%	24627	57%	**30	93%
[Shooters World Major Pistol]*	<<locked>>	79%	24279	56%	**66	80%
Somchem MP200	<<locked>>	61%	16607	38%	**9	97%
Somchem MS200	<<locked>>	60%	15098	35%	**3	97%
[Somchem S221]*	<<locked>>	62%	17709	41%	**5	81%
[Vihtavuori 3N37]*	<<locked>>	60%	11879	27%	**7	86%
[Vihtavuori 3N38]*	<<locked>>	90%	19769	45%	**8	80%
Vihtavuori N310	<<locked>>	61%	27775	64%	**6	100%
Vihtavuori N320	<<locked>>	61%	17521	40%	**0	100%
Vihtavuori N32C Tin Star	<<locked>>	64%	10486	24%	**9	100%
Vihtavuori N330	<<locked>>	60%	14895	34%	**0	100%
Vihtavuori N340	<<locked>>	62%	14779	34%	**7	97%
[Vihtavuori N350]*	<<locked>>	61%	11443	26%	**1	86%
Winchester 231	<<locked>>	61%	24352	56%	**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