Load data for 9 x 21 + .356 | 123gr | LOS RN

Recommended Powder(s): Alliant BULLSEYE, Alliant UNIQUE, Maxam CSB 2, ReloadSwiss RS 20, Vihtavuori N330

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 123gr \| LOS RN
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.580" \| 14.7mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	1.154" \| 29.3mm
Seated Depth:	0.256" \| 6.5mm
Shank Seated Depth:	0.256" \| 6.5mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B3508_C1232
Last updated:	2025-02-02

Load data for 108 loads in caliber 9 x 21 with .356 | 123gr | LOS RN bullet and 54 powders such as Alliant BULLSEYE, Alliant UNIQUE, Maxam CSB 2, ReloadSwiss RS 20, Vihtavuori N330. 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%	21263	62%	**70	82%
ADI AP 70N	<<locked>>	75%	28979	85%	**65	100%
ADI APS 350	<<locked>>	77%	30081	88%	**1	100%
ADI APS 450	<<locked>>	78%	28906	85%	**14	100%
ADI AS 30	<<locked>>	82%	29080	85%	**60	100%
ADI AS 50N	<<locked>>	79%	28790	84%	**02	100%
Accurate No. 2	<<locked>>	84%	30385	89%	**58	98%
Accurate No. 5	<<locked>>	70%	29878	88%	**20	90%
Accurate Solo 1000	<<locked>>	83%	30110	88%	**02	100%
Accurate Solo 1250 👍	<<locked>>	93%	30545	90%	**65	100%
Alliant BULLSEYE 👍	<<locked>>	81%	30313	89%	**14	100%
[Alliant POWER PISTOL]*	<<locked>>	93%	29602	87%	**63	87%
Alliant UNIQUE 👍	<<locked>>	92%	29022	85%	**11	99%
Baschieri & Pellagri 100	<<locked>>	87%	30516	90%	**12	100%
Hodgdon Clays	<<locked>>	77%	30371	89%	**07	100%
Hodgdon HP38	<<locked>>	64%	30487	89%	**42	100%
Hodgdon HS-6	<<locked>>	75%	28747	84%	**94	92%
Hodgdon Longshot	<<locked>>	74%	30443	89%	**24	95%
Hodgdon Universal	<<locked>>	83%	28979	85%	**65	100%
Hodgdon CFE Pistol	<<locked>>	88%	30197	89%	**75	100%
Hodgdon TrailBoss	<<locked>>	93%	9631	28%	**2	100%
Lovex D036	<<locked>>	70%	29820	88%	**20	90%
Lovex S011	<<locked>>	74%	30313	89%	**29	100%
Lovex S020 👍	<<locked>>	85%	30516	90%	**91	100%
Maxam CSB 1	<<locked>>	94%	28660	84%	**38	100%
Maxam CSB 2	<<locked>>	94%	29892	88%	**81	100%
Maxam CSB 3	<<locked>>	90%	30676	90%	**45	100%
Maxam CSB 4	<<locked>>	85%	29965	88%	**15	100%
Maxam CSB 5	<<locked>>	78%	29370	86%	**60	100%
Ramshot Silhouette	<<locked>>	76%	30066	88%	**11	98%
Ramshot True Blue	<<locked>>	71%	29544	87%	**04	95%
Ramshot Zip	<<locked>>	64%	29008	85%	**35	100%
ReloadSwiss RS 12	<<locked>>	80%	29167	86%	**55	100%
ReloadSwiss RS 14	<<locked>>	97%	9326	27%	**1	97%
ReloadSwiss RS 20 👍	<<locked>>	96%	29733	87%	**30	100%
Rottweil P 801	<<locked>>	74%	29211	86%	**19	100%
[Rottweil P 806]*	<<locked>>	96%	20189	59%	**75	88%
SNPE Vectan A0	<<locked>>	95%	30487	89%	**71	99%
SNPE Vectan BA 9	<<locked>>	85%	30414	89%	**55	100%
SNPE Vectan BA10	<<locked>>	73%	28892	85%	**14	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	26397	77%	**42	92%
SNPE Vectan BA9 1/2	<<locked>>	86%	28979	85%	**55	100%
Shooters World Auto Pistol	<<locked>>	70%	29820	88%	**20	90%
Somchem MP200	<<locked>>	85%	30356	89%	**07	99%
Somchem MS200	<<locked>>	88%	28935	85%	**71	100%
[Somchem S221]*	<<locked>>	80%	29138	85%	**11	83%
Vihtavuori 3N37	<<locked>>	96%	30414	89%	**40	96%
Vihtavuori N310	<<locked>>	67%	29283	86%	**33	100%
Vihtavuori N320	<<locked>>	82%	28485	84%	**09	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	21292	62%	**5	100%
Vihtavuori N330	<<locked>>	88%	30110	88%	**91	100%
Vihtavuori N340	<<locked>>	89%	28834	85%	**75	99%
Vihtavuori N350	<<locked>>	96%	28239	83%	**01	95%
Winchester 231	<<locked>>	71%	29008	85%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	94%	19957	59%	**47	81%
ADI AP 70N	<<locked>>	62%	20276	59%	**27	100%
ADI APS 350	<<locked>>	62%	21089	62%	**6	100%
ADI APS 450	<<locked>>	60%	18681	55%	**6	100%
ADI AS 30	<<locked>>	61%	17434	51%	**2	100%
ADI AS 50N	<<locked>>	60%	17898	53%	**5	100%
[Accurate No. 2]*	<<locked>>	61%	15606	46%	**6	89%
[Accurate No. 5]*	<<locked>>	61%	22031	65%	**89	85%
Accurate Solo 1000	<<locked>>	60%	16969	50%	**2	100%
Accurate Solo 1250	<<locked>>	62%	13793	40%	**6	97%
Alliant BULLSEYE	<<locked>>	61%	18101	53%	**7	96%
[Alliant POWER PISTOL]*	<<locked>>	79%	20595	60%	**93	81%
Alliant UNIQUE	<<locked>>	60%	13111	38%	**3	90%
Baschieri & Pellagri 100	<<locked>>	62%	16041	47%	**6	100%
Hodgdon Clays	<<locked>>	62%	21118	62%	**2	100%
Hodgdon HP38	<<locked>>	62%	28268	83%	**19	100%
[Hodgdon HS-6]*	<<locked>>	62%	18753	55%	**20	85%
[Hodgdon Longshot]*	<<locked>>	61%	19957	59%	**47	89%
Hodgdon Universal	<<locked>>	60%	15867	47%	**8	99%
Hodgdon CFE Pistol	<<locked>>	61%	15171	45%	**5	97%
Hodgdon TrailBoss	<<locked>>	82%	8079	24%	**9	99%
[Lovex D036]*	<<locked>>	61%	22002	65%	**86	85%
Lovex S011	<<locked>>	60%	20421	60%	**8	100%
Lovex S020	<<locked>>	61%	15156	44%	**8	95%
Maxam CSB 1	<<locked>>	62%	13387	39%	**0	96%
Maxam CSB 2	<<locked>>	61%	12314	36%	**3	99%
Maxam CSB 3	<<locked>>	61%	14939	44%	**2	100%
Maxam CSB 4	<<locked>>	62%	16998	50%	**2	100%
Maxam CSB 5	<<locked>>	61%	18840	55%	**9	100%
Ramshot Silhouette	<<locked>>	62%	19116	56%	**24	93%
Ramshot True Blue	<<locked>>	62%	21596	63%	**73	90%
Ramshot Zip	<<locked>>	61%	26876	79%	**06	100%
ReloadSwiss RS 12	<<locked>>	61%	16723	49%	**1	100%
ReloadSwiss RS 14	<<locked>>	81%	7266	21%	**9	94%
ReloadSwiss RS 20	<<locked>>	61%	11734	34%	**0	90%
Rottweil P 801	<<locked>>	61%	20131	59%	**7	100%
[Rottweil P 806]*	<<locked>>	83%	13750	40%	**14	80%
[SNPE Vectan A0]*	<<locked>>	61%	12995	38%	**3	89%
SNPE Vectan BA 9	<<locked>>	61%	16259	48%	**5	97%
[SNPE Vectan BA10]²	<<locked>>	59%	20697	61%	**6	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	71%	14112	41%	**2	81%
SNPE Vectan BA9 1/2	<<locked>>	60%	15098	44%	**2	97%
[Shooters World Auto Pistol]*	<<locked>>	61%	22002	65%	**86	85%
Somchem MP200	<<locked>>	60%	15302	45%	**8	91%
Somchem MS200	<<locked>>	62%	15185	45%	**2	93%
[Somchem S221]*	<<locked>>	74%	24656	72%	**38	80%
[Vihtavuori 3N37]*	<<locked>>	65%	12836	38%	**2	81%
Vihtavuori N310	<<locked>>	60%	24221	71%	**4	100%
Vihtavuori N320	<<locked>>	60%	15374	45%	**9	100%
[Vihtavuori N32C Tin Star]²	<<locked>>	59%	9166	27%	**2	100%
Vihtavuori N330	<<locked>>	62%	14344	42%	**2	99%
Vihtavuori N340	<<locked>>	61%	13373	39%	**9	91%
[Vihtavuori N350]*	<<locked>>	66%	12357	36%	**9	80%
Winchester 231	<<locked>>	61%	21669	64%	**27	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.

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