Load data for 9 x 20 VGW + .357 | 125gr | 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 \| 125gr \| Sierra JSP FN
Manufacturer SKU:	8310
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.532" \| 13.5mm
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:	0.128" \| 3.3mm
Shank Seated Depth:	0.128" \| 3.3mm
Case Capacity:	15.2 Grains of Water \| 0.99 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B5945_C1231
Last updated:	2025-01-01

Load data for 116 loads in caliber 9 x 20 VGW with .357 | 125gr | Sierra JSP FN bullet and 58 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%	25266	58%	**30	89%
ADI AP 70N	<<locked>>	79%	38000	87%	**35	100%
ADI APS 350	<<locked>>	82%	37289	86%	**29	100%
ADI APS 450	<<locked>>	86%	38595	89%	**81	100%
ADI AS 30	<<locked>>	89%	38972	90%	**30	100%
ADI AS 50N	<<locked>>	84%	37536	86%	**66	100%
Accurate No. 2	<<locked>>	84%	37536	86%	**25	100%
Accurate No. 5	<<locked>>	70%	37637	86%	**17	97%
[Accurate No. 7]*	<<locked>>	90%	38363	88%	**67	86%
Accurate Solo 1000	<<locked>>	88%	39030	90%	**60	100%
Accurate Solo 1250	<<locked>>	94%	38189	88%	**09	100%
Alliant BULLSEYE	<<locked>>	82%	37811	87%	**81	100%
Alliant POWER PISTOL	<<locked>>	93%	37463	86%	**67	95%
Alliant UNIQUE 👍	<<locked>>	96%	38624	89%	**01	100%
Baschieri & Pellagri 100	<<locked>>	89%	38479	88%	**57	100%
Hodgdon Clays	<<locked>>	82%	37666	87%	**48	100%
Hodgdon HP38	<<locked>>	65%	37304	86%	**86	100%
Hodgdon HS-6	<<locked>>	76%	37376	86%	**94	98%
Hodgdon Longshot	<<locked>>	74%	38334	88%	**04	99%
Hodgdon Universal	<<locked>>	87%	38000	87%	**35	100%
Hodgdon TrailBoss	<<locked>>	96%	11632	27%	**0	100%
Lovex D036	<<locked>>	70%	37579	86%	**17	97%
[Lovex D037.1]*	<<locked>>	90%	38363	88%	**67	86%
Lovex S011	<<locked>>	76%	38870	89%	**89	100%
Lovex S020	<<locked>>	84%	37507	86%	**39	100%
Maxam CSB 1	<<locked>>	97%	37347	86%	**99	100%
Maxam CSB 2	<<locked>>	94%	37550	86%	**19	100%
Maxam CSB 3	<<locked>>	92%	38769	89%	**89	100%
Maxam CSB 4	<<locked>>	89%	38827	89%	**73	100%
Maxam CSB 5	<<locked>>	82%	37724	87%	**11	100%
Ramshot Silhouette	<<locked>>	77%	37666	87%	**85	100%
Ramshot True Blue	<<locked>>	73%	39044	90%	**07	99%
Ramshot Zip	<<locked>>	66%	37913	87%	**02	100%
ReloadSwiss RS 12	<<locked>>	82%	37420	86%	**02	100%
ReloadSwiss RS 14	<<locked>>	94%	10211	23%	**4	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	37115	85%	**85	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	38072	87%	**60	89%
Rottweil P 801	<<locked>>	76%	37608	86%	**66	100%
Rottweil P 806	<<locked>>	97%	29225	67%	**98	97%
SNPE Vectan A0 👍	<<locked>>	96%	37304	86%	**29	100%
SNPE Vectan BA 9	<<locked>>	89%	39160	90%	**22	100%
SNPE Vectan BA10	<<locked>>	80%	38580	89%	**81	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	31995	74%	**09	97%
SNPE Vectan BA9 1/2	<<locked>>	89%	37565	86%	**16	100%
Shooters World Auto Pistol	<<locked>>	70%	37579	86%	**17	97%
[Shooters World Major Pistol]*	<<locked>>	90%	38363	88%	**67	86%
Somchem MP200	<<locked>>	87%	38885	89%	**85	100%
Somchem MS200 👍	<<locked>>	92%	38377	88%	**58	100%
Somchem S221	<<locked>>	82%	39044	90%	**47	93%
Vihtavuori 3N37	<<locked>>	96%	38870	89%	**27	100%
[Vihtavuori 3N38]*	<<locked>>	96%	26469	61%	**70	83%
Vihtavuori N310	<<locked>>	70%	36985	85%	**68	100%
Vihtavuori N320	<<locked>>	86%	38232	88%	**73	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25628	59%	**63	100%
Vihtavuori N330	<<locked>>	88%	37681	87%	**35	100%
Vihtavuori N340 👍	<<locked>>	93%	38769	89%	**62	100%
Vihtavuori N350	<<locked>>	96%	35317	81%	**81	99%
Winchester 231	<<locked>>	74%	37913	87%	**02	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	16027	37%	**24	81%
ADI AP 70N	<<locked>>	61%	23177	53%	**38	100%
ADI APS 350	<<locked>>	61%	23366	54%	**1	100%
ADI APS 450	<<locked>>	62%	22205	51%	**8	100%
ADI AS 30	<<locked>>	62%	20755	48%	**01	100%
ADI AS 50N	<<locked>>	60%	20537	47%	**33	100%
Accurate No. 2	<<locked>>	61%	18536	43%	**37	95%
Accurate No. 5	<<locked>>	61%	26963	62%	**60	93%
[Accurate No. 7]*	<<locked>>	80%	27804	64%	**12	80%
Accurate Solo 1000	<<locked>>	61%	19943	46%	**07	100%
Accurate Solo 1250	<<locked>>	61%	16099	37%	**8	100%
Alliant BULLSEYE	<<locked>>	61%	21321	49%	**25	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	17027	39%	**79	81%
Alliant UNIQUE	<<locked>>	61%	15867	36%	**17	96%
Baschieri & Pellagri 100	<<locked>>	61%	18507	43%	**4	100%
Hodgdon Clays	<<locked>>	61%	23757	55%	**8	100%
Hodgdon HP38	<<locked>>	60%	31894	73%	**27	100%
Hodgdon HS-6	<<locked>>	61%	22133	51%	**58	92%
Hodgdon Longshot	<<locked>>	61%	24990	57%	**14	95%
Hodgdon Universal	<<locked>>	61%	19174	44%	**63	100%
Hodgdon TrailBoss	<<locked>>	66%	6773	16%	**3	99%
Lovex D036	<<locked>>	61%	26919	62%	**60	92%
[Lovex D037.1]*	<<locked>>	80%	27804	64%	**12	80%
Lovex S011	<<locked>>	62%	25599	59%	**29	100%
Lovex S020	<<locked>>	60%	18173	42%	**50	99%
Maxam CSB 1	<<locked>>	61%	15403	35%	**5	99%
Maxam CSB 2	<<locked>>	62%	15911	37%	**07	100%
Maxam CSB 3	<<locked>>	61%	17593	40%	**7	100%
Maxam CSB 4	<<locked>>	62%	19914	46%	**24	100%
Maxam CSB 5	<<locked>>	62%	22742	52%	**27	100%
Ramshot Silhouette	<<locked>>	61%	22785	52%	**61	98%
Ramshot True Blue	<<locked>>	61%	25396	58%	**20	96%
Ramshot Zip	<<locked>>	61%	32372	74%	**37	100%
ReloadSwiss RS 12	<<locked>>	61%	20697	48%	**83	100%
ReloadSwiss RS 14	<<locked>>	69%	6643	15%	**9	95%
ReloadSwiss RS 20	<<locked>>	61%	13837	32%	**4	96%
[ReloadSwiss RS 24]*	<<locked>>	81%	24323	56%	**37	81%
Rottweil P 801	<<locked>>	62%	25295	58%	**22	100%
[Rottweil P 806]*	<<locked>>	69%	11356	26%	**1	80%
SNPE Vectan A0	<<locked>>	61%	15447	35%	**5	95%
SNPE Vectan BA 9	<<locked>>	61%	18449	42%	**27	100%
SNPE Vectan BA10	<<locked>>	60%	23830	55%	**01	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12821	29%	**5	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	17985	41%	**27	100%
Shooters World Auto Pistol	<<locked>>	61%	26919	62%	**60	92%
[Shooters World Major Pistol]*	<<locked>>	80%	27804	64%	**12	80%
Somchem MP200	<<locked>>	61%	18405	42%	**63	96%
Somchem MS200	<<locked>>	60%	16766	39%	**10	97%
[Somchem S221]*	<<locked>>	62%	19870	46%	**25	81%
[Vihtavuori 3N37]*	<<locked>>	62%	14228	33%	**8	87%
[Vihtavuori 3N38]*	<<locked>>	91%	22611	52%	**01	80%
Vihtavuori N310	<<locked>>	60%	28601	66%	**73	100%
Vihtavuori N320	<<locked>>	62%	20001	46%	**43	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	11516	26%	**7	100%
Vihtavuori N330	<<locked>>	60%	16650	38%	**27	100%
Vihtavuori N340	<<locked>>	61%	16085	37%	**07	96%
[Vihtavuori N350]*	<<locked>>	61%	12981	30%	**1	86%
Winchester 231	<<locked>>	61%	25759	59%	**52	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