Load data for 9 x 21 + .357 | 125gr | Speer JSP

Recommended Powder(s): Alliant BULLSEYE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Speer JSP
Manufacturer SKU:	4011
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.515" \| 13.1mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	1.154" \| 29.3mm
Seated Depth:	0.191" \| 4.9mm
Shank Seated Depth:	0.191" \| 4.9mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B6217_C1232
Last updated:	2025-01-01

Load data for 104 loads in caliber 9 x 21 with .357 | 125gr | Speer JSP bullet and 52 powders such as Alliant BULLSEYE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200. 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.

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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%	23279	68%	**55	86%
ADI AP 70N	<<locked>>	73%	30269	89%	**14	100%
ADI APS 350	<<locked>>	72%	28921	85%	**07	100%
ADI APS 450	<<locked>>	75%	29341	86%	**47	100%
ADI AS 30	<<locked>>	79%	29211	86%	**96	100%
ADI AS 50N	<<locked>>	78%	30632	90%	**58	100%
Accurate No. 2	<<locked>>	78%	28819	85%	**81	99%
Accurate No. 5	<<locked>>	67%	30530	90%	**76	93%
Accurate Solo 1000	<<locked>>	79%	30066	88%	**32	100%
Accurate Solo 1250	<<locked>>	87%	29820	88%	**88	100%
Alliant BULLSEYE 👍	<<locked>>	76%	29573	87%	**43	100%
Alliant POWER PISTOL	<<locked>>	89%	30400	89%	**19	90%
Alliant UNIQUE	<<locked>>	88%	29660	87%	**53	100%
Baschieri & Pellagri 100	<<locked>>	81%	29907	88%	**38	100%
Hodgdon Clays	<<locked>>	72%	29080	85%	**24	100%
Hodgdon HS-6	<<locked>>	73%	30661	90%	**66	95%
Hodgdon Longshot	<<locked>>	69%	29457	86%	**50	96%
Hodgdon Universal	<<locked>>	81%	30269	89%	**14	100%
Hodgdon TrailBoss	<<locked>>	93%	10370	30%	**8	100%
Lovex D036	<<locked>>	67%	30487	89%	**83	93%
Lovex S011	<<locked>>	69%	29791	87%	**55	100%
Lovex S020	<<locked>>	79%	29109	85%	**11	100%
Maxam CSB 1	<<locked>>	90%	29718	87%	**81	100%
Maxam CSB 2	<<locked>>	88%	29283	86%	**01	100%
Maxam CSB 3	<<locked>>	84%	30081	88%	**65	100%
Maxam CSB 4	<<locked>>	81%	29892	88%	**48	100%
Maxam CSB 5	<<locked>>	75%	29892	88%	**96	100%
Ramshot Silhouette 👍	<<locked>>	72%	29646	87%	**43	99%
Ramshot True Blue	<<locked>>	68%	30182	89%	**57	97%
ReloadSwiss RS 12	<<locked>>	77%	30443	89%	**98	100%
ReloadSwiss RS 14	<<locked>>	96%	9703	28%	**1	99%
ReloadSwiss RS 20 👍	<<locked>>	91%	29936	88%	**66	100%
[ReloadSwiss RS 24]*	<<locked>>	91%	29182	86%	**80	82%
Rottweil P 801	<<locked>>	69%	28964	85%	**45	100%
Rottweil P 806	<<locked>>	96%	24163	71%	**86	93%
SNPE Vectan A0	<<locked>>	91%	30545	90%	**11	100%
SNPE Vectan BA 9	<<locked>>	81%	30458	89%	**91	100%
SNPE Vectan BA10	<<locked>>	70%	29327	86%	**47	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	30037	88%	**40	96%
SNPE Vectan BA9 1/2	<<locked>>	83%	30008	88%	**94	100%
Shooters World Auto Pistol	<<locked>>	67%	30487	89%	**83	93%
Somchem MP200 👍	<<locked>>	81%	30255	89%	**43	100%
Somchem MS200 👍	<<locked>>	84%	29254	86%	**14	100%
[Somchem S221]*	<<locked>>	77%	30124	88%	**76	87%
Vihtavuori 3N37	<<locked>>	89%	29660	87%	**70	97%
Vihtavuori N310	<<locked>>	65%	30356	89%	**70	100%
Vihtavuori N320	<<locked>>	78%	28529	84%	**42	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	22960	67%	**07	100%
Vihtavuori N330	<<locked>>	82%	28921	85%	**04	100%
Vihtavuori N340	<<locked>>	85%	29124	85%	**14	100%
Vihtavuori N350	<<locked>>	93%	28950	85%	**57	97%
Winchester 231	<<locked>>	68%	30066	88%	**81	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	84%	17666	52%	**33	81%
ADI AP 70N	<<locked>>	62%	21843	64%	**89	100%
ADI APS 350	<<locked>>	62%	22742	67%	**8	100%
ADI APS 450	<<locked>>	60%	20160	59%	**5	100%
ADI AS 30	<<locked>>	61%	18695	55%	**2	100%
ADI AS 50N	<<locked>>	62%	20146	59%	**07	100%
Accurate No. 2	<<locked>>	62%	17143	50%	**1	93%
Accurate No. 5	<<locked>>	61%	24671	72%	**78	90%
Accurate Solo 1000	<<locked>>	62%	19580	57%	**8	100%
Accurate Solo 1250	<<locked>>	60%	14605	43%	**5	99%
Alliant BULLSEYE	<<locked>>	62%	20044	59%	**73	98%
[Alliant POWER PISTOL]*	<<locked>>	71%	18478	54%	**86	81%
Alliant UNIQUE	<<locked>>	61%	14634	43%	**1	94%
Baschieri & Pellagri 100	<<locked>>	60%	16737	49%	**2	100%
Hodgdon Clays	<<locked>>	62%	23003	67%	**5	100%
[Hodgdon HS-6]*	<<locked>>	60%	20015	59%	**86	89%
Hodgdon Longshot	<<locked>>	61%	22394	66%	**35	93%
Hodgdon Universal	<<locked>>	61%	17738	52%	**10	100%
Hodgdon TrailBoss	<<locked>>	75%	7281	21%	**3	99%
Lovex D036	<<locked>>	61%	24627	72%	**84	90%
Lovex S011	<<locked>>	60%	22524	66%	**53	100%
Lovex S020	<<locked>>	61%	16795	49%	**7	98%
Maxam CSB 1	<<locked>>	61%	14112	41%	**9	98%
Maxam CSB 2	<<locked>>	62%	14315	42%	**5	100%
Maxam CSB 3	<<locked>>	60%	15940	47%	**2	100%
Maxam CSB 4	<<locked>>	61%	17970	53%	**8	100%
Maxam CSB 5	<<locked>>	61%	20349	60%	**1	100%
Ramshot Silhouette	<<locked>>	61%	20987	62%	**02	96%
Ramshot True Blue	<<locked>>	60%	23018	68%	**42	93%
ReloadSwiss RS 12	<<locked>>	61%	18913	55%	**33	100%
ReloadSwiss RS 14	<<locked>>	78%	7179	21%	**2	95%
ReloadSwiss RS 20	<<locked>>	61%	12879	38%	**8	94%
[ReloadSwiss RS 24]*	<<locked>>	88%	26513	78%	**37	81%
Rottweil P 801	<<locked>>	60%	22133	65%	**53	100%
[Rottweil P 806]*	<<locked>>	75%	12502	37%	**10	81%
SNPE Vectan A0	<<locked>>	61%	14388	42%	**2	93%
SNPE Vectan BA 9	<<locked>>	61%	17579	52%	**1	99%
SNPE Vectan BA10	<<locked>>	62%	23554	69%	**4	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12241	36%	**9	81%
SNPE Vectan BA9 1/2	<<locked>>	61%	16679	49%	**8	99%
Shooters World Auto Pistol	<<locked>>	61%	24627	72%	**84	90%
Somchem MP200	<<locked>>	62%	17695	52%	**17	95%
Somchem MS200	<<locked>>	60%	15606	46%	**5	96%
[Somchem S221]*	<<locked>>	66%	21205	62%	**22	80%
[Vihtavuori 3N37]*	<<locked>>	61%	12705	37%	**2	83%
Vihtavuori N310	<<locked>>	62%	28079	82%	**47	100%
Vihtavuori N320	<<locked>>	62%	18043	53%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	9993	29%	**4	100%
Vihtavuori N330	<<locked>>	60%	15156	44%	**4	100%
Vihtavuori N340	<<locked>>	62%	14895	44%	**1	94%
[Vihtavuori N350]*	<<locked>>	60%	11458	34%	**3	81%
Winchester 231	<<locked>>	60%	23322	68%	**86	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