Load data for 9 x 20 VGW + .357 | 170gr | Speer SP MAG GD

Recommended Powder(s): Alliant UNIQUE, Hodgdon Longshot, ReloadSwiss RS 20, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 170gr \| Speer SP MAG GD
Manufacturer SKU:	4230
Bullet Weight:	170gr \| 11.0g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.680" \| 17.3mm
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:	0.276" \| 7.0mm
Shank Seated Depth:	0.276" \| 7.0mm
Case Capacity:	15.2 Grains of Water \| 0.99 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B6228_C1231
Last updated:	2025-01-01

Load data for 114 loads in caliber 9 x 20 VGW with .357 | 170gr | Speer SP MAG GD bullet and 57 powders such as Alliant UNIQUE, Hodgdon Longshot, ReloadSwiss RS 20, 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>>	94%	22800	52%	**9	89%
ADI AP 70N	<<locked>>	80%	36564	84%	**17	100%
ADI APS 350	<<locked>>	85%	38218	88%	**6	100%
ADI APS 450	<<locked>>	86%	36927	85%	**9	100%
ADI AS 30	<<locked>>	91%	37347	86%	**2	100%
ADI AS 50N	<<locked>>	87%	37855	87%	**4	100%
Accurate No. 2	<<locked>>	86%	36492	84%	**14	100%
Accurate No. 5	<<locked>>	73%	37840	87%	**06	98%
[Accurate No. 7]*	<<locked>>	92%	37971	87%	**45	87%
Accurate Solo 1000	<<locked>>	88%	36753	84%	**8	100%
Accurate Solo 1250	<<locked>>	95%	37014	85%	**01	100%
Alliant BULLSEYE	<<locked>>	86%	38638	89%	**76	100%
Alliant POWER PISTOL	<<locked>>	95%	35650	82%	**25	95%
Alliant UNIQUE 👍	<<locked>>	95%	35041	81%	**53	100%
Baschieri & Pellagri 100	<<locked>>	92%	38711	89%	**5	100%
Hodgdon Clays	<<locked>>	85%	38711	89%	**9	100%
Hodgdon HP38	<<locked>>	68%	38203	88%	**7	100%
Hodgdon HS-6	<<locked>>	80%	39059	90%	**99	99%
Hodgdon Longshot 👍	<<locked>>	77%	38943	90%	**96	100%
Hodgdon TiteGroup	<<locked>>	62%	37782	87%	**1	100%
Hodgdon Universal	<<locked>>	89%	36564	84%	**17	100%
Lovex D036	<<locked>>	73%	37782	87%	**06	98%
[Lovex D037.1]*	<<locked>>	92%	37971	87%	**45	87%
Lovex S011	<<locked>>	78%	38232	88%	**1	100%
Lovex S020	<<locked>>	88%	37695	87%	**33	100%
Maxam CSB 1	<<locked>>	96%	34171	79%	**4	100%
Maxam CSB 2	<<locked>>	97%	36724	84%	**10	100%
Maxam CSB 3	<<locked>>	95%	38638	89%	**1	100%
Maxam CSB 4	<<locked>>	90%	37347	86%	**5	100%
Maxam CSB 5	<<locked>>	86%	38551	89%	**5	100%
Ramshot Silhouette	<<locked>>	80%	37289	86%	**66	100%
Ramshot True Blue	<<locked>>	74%	37217	86%	**79	100%
Ramshot Zip	<<locked>>	68%	36840	85%	**4	100%
ReloadSwiss RS 12	<<locked>>	85%	37376	86%	**07	100%
ReloadSwiss RS 20 👍	<<locked>>	94%	32518	75%	**27	100%
[ReloadSwiss RS 24]*	<<locked>>	95%	33315	77%	**83	88%
Rottweil P 801	<<locked>>	78%	37101	85%	**4	100%
Rottweil P 806	<<locked>>	96%	24062	55%	**43	96%
SNPE Vectan A0	<<locked>>	95%	34272	79%	**7	100%
SNPE Vectan BA 9	<<locked>>	91%	38899	89%	**17	100%
SNPE Vectan BA10	<<locked>>	80%	36912	85%	**9	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	28848	66%	**1	97%
SNPE Vectan BA9 1/2	<<locked>>	91%	37275	86%	**10	100%
Shooters World Auto Pistol	<<locked>>	73%	37782	87%	**06	98%
[Shooters World Major Pistol]*	<<locked>>	92%	37971	87%	**45	87%
Somchem MP200	<<locked>>	89%	36840	85%	**56	100%
Somchem MS200 👍	<<locked>>	93%	36825	85%	**37	100%
Somchem S221	<<locked>>	84%	37768	87%	**15	93%
Vihtavuori 3N37	<<locked>>	95%	34519	79%	**70	99%
[Vihtavuori 3N38]*	<<locked>>	95%	22713	52%	**2	82%
Vihtavuori N310	<<locked>>	74%	38566	89%	**6	100%
Vihtavuori N320	<<locked>>	87%	36100	83%	**5	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	22495	52%	**1	100%
Vihtavuori N330	<<locked>>	91%	36738	84%	**20	100%
Vihtavuori N340 👍	<<locked>>	95%	37681	87%	**43	100%
Vihtavuori N350	<<locked>>	95%	31401	72%	**33	99%
Winchester 231	<<locked>>	75%	36840	85%	**4	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	14475	33%	**1	81%
ADI AP 70N	<<locked>>	60%	20610	47%	**6	100%
ADI APS 350	<<locked>>	60%	21205	49%	**2	100%
ADI APS 450	<<locked>>	62%	21451	49%	**5	100%
[ADI AS 30]²	<<locked>>	59%	17637	41%	**2	100%
[ADI AS 50N]²	<<locked>>	59%	18478	42%	**4	100%
Accurate No. 2	<<locked>>	61%	17056	39%	**1	95%
Accurate No. 5	<<locked>>	61%	24903	57%	**5	93%
[Accurate No. 7]*	<<locked>>	81%	25266	58%	**7	80%
Accurate Solo 1000	<<locked>>	62%	19609	45%	**4	100%
Accurate Solo 1250	<<locked>>	61%	14808	34%	**5	100%
Alliant BULLSEYE	<<locked>>	61%	19870	46%	**6	99%
[Alliant POWER PISTOL]*	<<locked>>	64%	14750	34%	**1	80%
Alliant UNIQUE	<<locked>>	60%	14011	32%	**1	96%
Baschieri & Pellagri 100	<<locked>>	61%	17114	39%	**1	100%
Hodgdon Clays	<<locked>>	60%	21321	49%	**2	100%
Hodgdon HP38	<<locked>>	61%	30139	69%	**8	100%
Hodgdon HS-6	<<locked>>	62%	21045	48%	**9	93%
Hodgdon Longshot	<<locked>>	61%	22278	51%	**2	95%
Hodgdon TiteGroup	<<locked>>	60%	34969	80%	**8	100%
Hodgdon Universal	<<locked>>	60%	16998	39%	**4	100%
Lovex D036	<<locked>>	61%	24874	57%	**5	93%
[Lovex D037.1]*	<<locked>>	81%	25266	58%	**7	80%
Lovex S011	<<locked>>	60%	22495	52%	**3	100%
Lovex S020	<<locked>>	61%	16897	39%	**4	99%
Maxam CSB 1	<<locked>>	62%	14185	33%	**8	100%
Maxam CSB 2	<<locked>>	60%	13329	31%	**1	100%
Maxam CSB 3	<<locked>>	60%	15867	36%	**8	100%
Maxam CSB 4	<<locked>>	61%	18014	41%	**8	100%
Maxam CSB 5	<<locked>>	60%	19856	46%	**8	100%
Ramshot Silhouette	<<locked>>	61%	20552	47%	**6	98%
Ramshot True Blue	<<locked>>	60%	22902	53%	**2	96%
Ramshot Zip	<<locked>>	60%	28979	67%	**5	100%
ReloadSwiss RS 12	<<locked>>	61%	18550	43%	**7	100%
ReloadSwiss RS 20	<<locked>>	61%	12589	29%	**5	97%
[ReloadSwiss RS 24]*	<<locked>>	82%	22089	51%	**8	81%
Rottweil P 801	<<locked>>	61%	22307	51%	**3	100%
[Rottweil P 806]*	<<locked>>	69%	9877	23%	**5	80%
SNPE Vectan A0	<<locked>>	60%	13953	32%	**2	95%
SNPE Vectan BA 9	<<locked>>	62%	17738	41%	**4	100%
SNPE Vectan BA10	<<locked>>	62%	23685	54%	**8	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	11618	27%	**2	83%
SNPE Vectan BA9 1/2	<<locked>>	60%	16056	37%	**8	100%
Shooters World Auto Pistol	<<locked>>	61%	24874	57%	**5	93%
[Shooters World Major Pistol]*	<<locked>>	81%	25266	58%	**7	80%
Somchem MP200	<<locked>>	61%	16853	39%	**4	97%
Somchem MS200	<<locked>>	62%	16331	38%	**1	98%
[Somchem S221]*	<<locked>>	62%	18376	42%	**0	81%
[Vihtavuori 3N37]*	<<locked>>	61%	12357	28%	**8	87%
[Vihtavuori 3N38]*	<<locked>>	92%	21074	48%	**5	81%
Vihtavuori N310	<<locked>>	60%	26092	60%	**1	100%
Vihtavuori N320	<<locked>>	62%	18521	43%	**7	100%
Vihtavuori N32C Tin Star	<<locked>>	69%	12517	29%	**9	100%
Vihtavuori N330	<<locked>>	62%	16143	37%	**7	100%
Vihtavuori N340	<<locked>>	61%	14576	34%	**1	97%
[Vihtavuori N350]*	<<locked>>	61%	11661	27%	**9	86%
Winchester 231	<<locked>>	62%	24685	57%	**6	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