Load data for 9 x 20 VGW + .357 | 158gr | Sierra JSP FN

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Sierra JSP FN
Manufacturer SKU:	8340
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.641" \| 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:	0.237" \| 6.0mm
Shank Seated Depth:	0.237" \| 6.0mm
Case Capacity:	15.2 Grains of Water \| 0.99 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B5948_C1231
Last updated:	2025-01-01

Load data for 114 loads in caliber 9 x 20 VGW with .357 | 158gr | Sierra JSP FN bullet and 57 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, 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>>	95%	24308	56%	**07	90%
ADI AP 70N	<<locked>>	79%	37739	87%	**96	100%
ADI APS 350	<<locked>>	84%	38029	87%	**8	100%
ADI APS 450	<<locked>>	87%	39131	90%	**1	100%
ADI AS 30	<<locked>>	88%	36912	85%	**4	100%
ADI AS 50N	<<locked>>	84%	36869	85%	**33	100%
Accurate No. 2	<<locked>>	85%	36956	85%	**89	100%
Accurate No. 5	<<locked>>	72%	38638	89%	**91	98%
[Accurate No. 7]*	<<locked>>	91%	38537	89%	**30	88%
Accurate Solo 1000	<<locked>>	89%	38450	88%	**30	100%
Accurate Solo 1250	<<locked>>	94%	37594	86%	**76	100%
Alliant BULLSEYE	<<locked>>	82%	36796	85%	**32	100%
Alliant POWER PISTOL	<<locked>>	96%	38769	89%	**37	96%
Alliant UNIQUE 👍	<<locked>>	96%	37666	87%	**52	100%
Baschieri & Pellagri 100	<<locked>>	88%	36869	85%	**20	100%
Hodgdon Clays	<<locked>>	84%	38421	88%	**5	100%
Hodgdon HP38	<<locked>>	67%	38682	89%	**70	100%
Hodgdon HS-6	<<locked>>	77%	37333	86%	**58	99%
Hodgdon Longshot	<<locked>>	74%	37405	86%	**55	100%
Hodgdon Universal	<<locked>>	88%	37739	87%	**96	100%
Lovex D036	<<locked>>	72%	38580	89%	**91	98%
[Lovex D037.1]*	<<locked>>	91%	38537	89%	**30	88%
Lovex S011	<<locked>>	75%	36550	84%	**37	100%
Lovex S020	<<locked>>	86%	38247	88%	**09	100%
Maxam CSB 1	<<locked>>	95%	35157	81%	**50	100%
Maxam CSB 2	<<locked>>	96%	37434	86%	**86	100%
Maxam CSB 3	<<locked>>	92%	36985	85%	**47	100%
Maxam CSB 4	<<locked>>	90%	38798	89%	**47	100%
Maxam CSB 5	<<locked>>	84%	37956	87%	**1	100%
Ramshot Silhouette	<<locked>>	79%	38827	89%	**52	100%
Ramshot True Blue	<<locked>>	73%	38087	88%	**58	100%
Ramshot Zip	<<locked>>	67%	37376	86%	**66	100%
ReloadSwiss RS 12	<<locked>>	84%	39117	90%	**83	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	35244	81%	**25	100%
[ReloadSwiss RS 24]*	<<locked>>	95%	35157	81%	**78	89%
Rottweil P 801	<<locked>>	78%	38537	89%	**50	100%
Rottweil P 806	<<locked>>	96%	27441	63%	**52	97%
SNPE Vectan A0 👍	<<locked>>	96%	36753	84%	**89	100%
SNPE Vectan BA 9	<<locked>>	89%	38638	89%	**83	100%
SNPE Vectan BA10	<<locked>>	81%	39102	90%	**1	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	32111	74%	**86	98%
SNPE Vectan BA9 1/2	<<locked>>	90%	37594	86%	**83	100%
Shooters World Auto Pistol	<<locked>>	72%	38580	89%	**91	98%
[Shooters World Major Pistol]*	<<locked>>	91%	38537	89%	**30	88%
Somchem MP200	<<locked>>	89%	39073	90%	**52	100%
Somchem MS200 👍	<<locked>>	92%	37057	85%	**09	100%
Somchem S221	<<locked>>	82%	37753	87%	**88	93%
Vihtavuori 3N37	<<locked>>	97%	37927	87%	**75	100%
[Vihtavuori 3N38]*	<<locked>>	96%	25135	58%	**43	84%
[Vihtavuori N105]*	<<locked>>	95%	18739	43%	**1	82%
Vihtavuori N310	<<locked>>	72%	38522	89%	**8	100%
Vihtavuori N320	<<locked>>	87%	37942	87%	**47	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	24468	56%	**3	100%
Vihtavuori N330	<<locked>>	89%	37492	86%	**96	100%
Vihtavuori N340 👍	<<locked>>	93%	37869	87%	**19	100%
Vihtavuori N350	<<locked>>	95%	33185	76%	**19	99%
Winchester 231	<<locked>>	74%	37376	86%	**66	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	14402	33%	**7	81%
ADI AP 70N	<<locked>>	61%	22974	53%	**5	100%
ADI APS 350	<<locked>>	61%	22771	52%	**1	100%
ADI APS 450	<<locked>>	63%	22321	51%	**7	100%
ADI AS 30	<<locked>>	60%	19072	44%	**7	100%
ADI AS 50N	<<locked>>	62%	21596	50%	**6	100%
Accurate No. 2	<<locked>>	60%	17448	40%	**3	96%
Accurate No. 5	<<locked>>	62%	26992	62%	**47	94%
[Accurate No. 7]*	<<locked>>	79%	25396	58%	**63	80%
Accurate Solo 1000	<<locked>>	62%	20508	47%	**0	100%
Accurate Solo 1250	<<locked>>	61%	15664	36%	**7	100%
Alliant BULLSEYE	<<locked>>	60%	20204	46%	**5	99%
[Alliant POWER PISTOL]*	<<locked>>	62%	14953	34%	**3	80%
Alliant UNIQUE	<<locked>>	62%	16085	37%	**0	97%
Baschieri & Pellagri 100	<<locked>>	61%	18043	41%	**0	100%
Hodgdon Clays	<<locked>>	61%	22945	53%	**1	100%
Hodgdon HP38	<<locked>>	61%	31589	73%	**07	100%
Hodgdon HS-6	<<locked>>	61%	21437	49%	**5	93%
Hodgdon Longshot	<<locked>>	61%	24482	56%	**01	96%
Hodgdon Universal	<<locked>>	62%	19464	45%	**3	100%
Lovex D036	<<locked>>	62%	26948	62%	**43	94%
[Lovex D037.1]*	<<locked>>	79%	25396	58%	**63	80%
Lovex S011	<<locked>>	62%	24976	57%	**9	100%
Lovex S020	<<locked>>	60%	17434	40%	**3	99%
Maxam CSB 1	<<locked>>	61%	14982	34%	**1	100%
Maxam CSB 2	<<locked>>	60%	14533	33%	**0	100%
Maxam CSB 3	<<locked>>	60%	16868	39%	**0	100%
Maxam CSB 4	<<locked>>	61%	18942	44%	**0	100%
Maxam CSB 5	<<locked>>	60%	21205	49%	**3	100%
Ramshot Silhouette	<<locked>>	61%	21611	50%	**8	98%
Ramshot True Blue	<<locked>>	61%	24947	57%	**04	96%
Ramshot Zip	<<locked>>	60%	30400	70%	**01	100%
ReloadSwiss RS 12	<<locked>>	60%	19638	45%	**9	100%
ReloadSwiss RS 20	<<locked>>	62%	14272	33%	**0	98%
[ReloadSwiss RS 24]*	<<locked>>	79%	21944	50%	**1	81%
Rottweil P 801	<<locked>>	62%	24889	57%	**9	100%
[Rottweil P 806]*	<<locked>>	67%	10443	24%	**0	81%
SNPE Vectan A0	<<locked>>	62%	15737	36%	**7	96%
SNPE Vectan BA 9	<<locked>>	60%	17956	41%	**0	100%
SNPE Vectan BA10	<<locked>>	62%	24439	56%	**0	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12879	30%	**4	85%
SNPE Vectan BA9 1/2	<<locked>>	62%	18173	42%	**3	100%
Shooters World Auto Pistol	<<locked>>	62%	26948	62%	**43	94%
[Shooters World Major Pistol]*	<<locked>>	79%	25396	58%	**63	80%
Somchem MP200	<<locked>>	62%	18594	43%	**9	98%
Somchem MS200	<<locked>>	61%	16969	39%	**3	98%
[Somchem S221]*	<<locked>>	61%	18927	44%	**2	82%
[Vihtavuori 3N37]*	<<locked>>	61%	13605	31%	**0	88%
[Vihtavuori 3N38]*	<<locked>>	89%	20697	48%	**8	81%
[Vihtavuori N105]*	<<locked>>	93%	17405	40%	**2	80%
Vihtavuori N310	<<locked>>	63%	29689	68%	**6	100%
Vihtavuori N320	<<locked>>	62%	19435	45%	**3	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	11371	26%	**3	100%
Vihtavuori N330	<<locked>>	61%	16810	39%	**6	100%
Vihtavuori N340	<<locked>>	60%	15229	35%	**0	97%
[Vihtavuori N350]*	<<locked>>	60%	12096	28%	**1	86%
Winchester 231	<<locked>>	60%	24468	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