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

Recommended Powder(s): Alliant BULLSEYE, Alliant UNIQUE, Lovex S020, Maxam CSB 2, ReloadSwiss RS 20

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 123gr \| LOS HP
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.550" \| 14.0mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	1.154" \| 29.3mm
Seated Depth:	0.226" \| 5.7mm
Shank Seated Depth:	0.226" \| 5.7mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B3510_C1232
Last updated:	2025-01-01

Load data for 0 loads in caliber 9 x 21 with .356 | 123gr | LOS HP bullet and 0 powders such as Alliant BULLSEYE, Alliant UNIQUE, Lovex S020, Maxam CSB 2, ReloadSwiss RS 20. 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	22669	66%	**22	84%
ADI AP 70N	<<locked>>	74%	30081	88%	**94	100%
ADI APS 350	<<locked>>	75%	29631	87%	**04	100%
ADI APS 450	<<locked>>	78%	30313	89%	**50	100%
ADI AS 30	<<locked>>	83%	30501	89%	**99	100%
ADI AS 50N	<<locked>>	79%	29979	88%	**35	100%
Accurate No. 2	<<locked>>	81%	29646	87%	**78	98%
Accurate No. 5	<<locked>>	69%	30589	90%	**60	92%
Accurate Solo 1000	<<locked>>	82%	30371	89%	**22	100%
Accurate Solo 1250	<<locked>>	90%	30400	89%	**84	100%
Alliant BULLSEYE 👍	<<locked>>	78%	30153	88%	**37	100%
[Alliant POWER PISTOL]*	<<locked>>	91%	30560	90%	**96	89%
Alliant Sport Pistol 👍	<<locked>>	73%	29805	87%	**30	100%
Alliant UNIQUE 👍	<<locked>>	91%	30385	89%	**50	100%
Baschieri & Pellagri 100	<<locked>>	84%	30269	89%	**29	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	23989	70%	**79	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	80%	30676	90%	**65	100%
Hodgdon Clays	<<locked>>	75%	30110	88%	**24	100%
Hodgdon HS-6	<<locked>>	74%	30153	88%	**43	94%
Hodgdon Longshot	<<locked>>	71%	30197	89%	**47	96%
Hodgdon Universal	<<locked>>	82%	30081	88%	**94	100%
Hodgdon CFE Pistol	<<locked>>	85%	30385	89%	**94	100%
Lovex D036	<<locked>>	69%	30530	90%	**60	92%
Lovex S011	<<locked>>	72%	30298	89%	**48	100%
Lovex S020 👍	<<locked>>	82%	30168	89%	**07	100%
Maxam CSB 1	<<locked>>	94%	30385	89%	**78	100%
Maxam CSB 2	<<locked>>	91%	29965	88%	**98	100%
Maxam CSB 3	<<locked>>	87%	30560	90%	**61	100%
Maxam CSB 4	<<locked>>	83%	30168	89%	**38	100%
Maxam CSB 5	<<locked>>	77%	30052	88%	**86	100%
Ramshot Silhouette	<<locked>>	75%	30066	88%	**34	99%
Ramshot True Blue	<<locked>>	70%	30284	89%	**40	96%
Ramshot Zip	<<locked>>	63%	30023	88%	**68	100%
ReloadSwiss RS 12	<<locked>>	79%	30153	88%	**88	100%
ReloadSwiss RS 20 👍	<<locked>>	94%	30313	89%	**60	100%
[ReloadSwiss RS 24]*	<<locked>>	95%	30545	90%	**80	82%
Rottweil P 801	<<locked>>	72%	29646	87%	**42	100%
Rottweil P 806	<<locked>>	96%	22481	66%	**40	91%
SNPE Vectan A0	<<locked>>	92%	29834	88%	**88	100%
SNPE Vectan BA 9	<<locked>>	84%	30618	90%	**81	100%
SNPE Vectan BA10	<<locked>>	73%	30298	89%	**50	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	28558	84%	**04	94%
SNPE Vectan BA9 1/2	<<locked>>	84%	29921	88%	**84	100%
SNPE Vectan SP 2	<<locked>>	90%	30632	90%	**32	92%
Shooters World Auto Pistol	<<locked>>	69%	30530	90%	**60	92%
Somchem MP200	<<locked>>	83%	30501	89%	**30	99%
Somchem MS200	<<locked>>	87%	30414	89%	**11	100%
[Somchem S221]*	<<locked>>	79%	30530	90%	**66	86%
Vihtavuori 3N37	<<locked>>	93%	30052	88%	**63	96%
Vihtavuori N310	<<locked>>	66%	30211	89%	**60	100%
Vihtavuori N320	<<locked>>	81%	29762	87%	**45	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	22785	67%	**4	100%
Vihtavuori N330	<<locked>>	85%	29878	88%	**04	100%
Vihtavuori N340	<<locked>>	89%	30226	89%	**14	100%
Vihtavuori N350	<<locked>>	96%	29878	88%	**47	96%
Winchester 231	<<locked>>	70%	30023	88%	**68	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	88%	18260	54%	**30	80%
ADI AP 70N	<<locked>>	60%	20015	59%	**40	100%
ADI APS 350	<<locked>>	64%	23148	68%	**5	100%
ADI APS 450	<<locked>>	62%	20610	60%	**2	100%
ADI AS 30	<<locked>>	61%	18362	54%	**2	100%
ADI AS 50N	<<locked>>	61%	19479	57%	**8	100%
Accurate No. 2	<<locked>>	62%	16665	49%	**1	91%
[Accurate No. 5]*	<<locked>>	61%	23772	70%	**48	88%
Accurate Solo 1000	<<locked>>	62%	18521	54%	**8	100%
Accurate Solo 1250	<<locked>>	63%	15229	45%	**5	98%
Alliant BULLSEYE	<<locked>>	62%	19276	57%	**43	97%
[Alliant POWER PISTOL]*	<<locked>>	74%	19160	56%	**83	80%
Alliant Sport Pistol	<<locked>>	60%	20624	61%	**73	97%
Alliant UNIQUE	<<locked>>	61%	14141	42%	**2	92%
Baschieri & Pellagri 100	<<locked>>	61%	16723	49%	**8	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	76%	14649	43%	**2	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	16781	49%	**5	100%
Hodgdon Clays	<<locked>>	62%	22278	65%	**2	100%
[Hodgdon HS-6]*	<<locked>>	60%	19174	56%	**47	86%
Hodgdon Longshot	<<locked>>	61%	21553	63%	**99	91%
Hodgdon Universal	<<locked>>	61%	17303	51%	**1	100%
Hodgdon CFE Pistol	<<locked>>	61%	16041	47%	**5	98%
[Lovex D036]*	<<locked>>	61%	23728	70%	**45	88%
Lovex S011	<<locked>>	60%	21901	64%	**27	100%
Lovex S020	<<locked>>	61%	16201	48%	**1	96%
Maxam CSB 1	<<locked>>	65%	15156	44%	**2	98%
Maxam CSB 2	<<locked>>	62%	13619	40%	**5	100%
Maxam CSB 3	<<locked>>	62%	16433	48%	**8	100%
Maxam CSB 4	<<locked>>	60%	16998	50%	**5	100%
Maxam CSB 5	<<locked>>	60%	19072	56%	**8	100%
Ramshot Silhouette	<<locked>>	61%	19638	58%	**56	94%
Ramshot True Blue	<<locked>>	60%	21988	65%	**02	91%
Ramshot Zip	<<locked>>	61%	28123	83%	**42	100%
ReloadSwiss RS 12	<<locked>>	61%	18289	54%	**10	100%
ReloadSwiss RS 20	<<locked>>	64%	13387	39%	**2	94%
[ReloadSwiss RS 24]*	<<locked>>	92%	28413	83%	**47	80%
Rottweil P 801	<<locked>>	61%	21509	63%	**33	100%
[Rottweil P 806]*	<<locked>>	78%	13227	39%	**14	80%
SNPE Vectan A0	<<locked>>	65%	15461	45%	**5	93%
SNPE Vectan BA 9	<<locked>>	61%	16940	50%	**5	98%
SNPE Vectan BA10	<<locked>>	61%	22263	65%	**5	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	70%	14547	43%	**2	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	16012	47%	**5	98%
[SNPE Vectan SP 2]*	<<locked>>	69%	16520	48%	**60	80%
[Shooters World Auto Pistol]*	<<locked>>	61%	23728	70%	**45	88%
Somchem MP200	<<locked>>	60%	16215	48%	**1	93%
Somchem MS200	<<locked>>	60%	15011	44%	**8	94%
[Somchem S221]*	<<locked>>	69%	22713	67%	**25	80%
[Vihtavuori 3N37]*	<<locked>>	64%	13431	39%	**5	83%
Vihtavuori N310	<<locked>>	62%	26745	78%	**17	100%
Vihtavuori N320	<<locked>>	61%	16940	50%	**5	100%
Vihtavuori N32C Tin Star	<<locked>>	85%	18217	53%	**8	100%
Vihtavuori N330	<<locked>>	60%	14344	42%	**5	99%
Vihtavuori N340	<<locked>>	62%	14417	42%	**5	93%
[Vihtavuori N350]*	<<locked>>	67%	13387	39%	**9	83%
Winchester 231	<<locked>>	61%	22727	67%	**66	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