Load data for 9 x 21 + .355 | 90gr | Sierra Sig V-Crown

Recommended Powder(s): Alliant UNIQUE, Maxam CSB 2, ReloadSwiss RS 20, Vihtavuori N330, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 90gr \| Sierra Sig V-Crown
Manufacturer SKU:	9990
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.426" \| 10.8mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	1.134" \| 28.8mm
Seated Depth:	0.122" \| 3.1mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B5933_C1232
Last updated:	2025-02-02

Load data for 104 loads in caliber 9 x 21 with .355 | 90gr | Sierra Sig V-Crown bullet and 52 powders such as Alliant UNIQUE, Maxam CSB 2, ReloadSwiss RS 20, Vihtavuori N330, 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 70N	<<locked>>	77%	30356	89%	**16	100%
ADI APS 350	<<locked>>	76%	29153	86%	**73	100%
ADI APS 450	<<locked>>	80%	29950	88%	**29	100%
ADI AS 30	<<locked>>	83%	29240	86%	**81	100%
ADI AS 50N	<<locked>>	81%	29225	86%	**30	100%
Accurate No. 2	<<locked>>	83%	29878	88%	**76	97%
[Accurate No. 5]*	<<locked>>	70%	30530	90%	**55	89%
Accurate Solo 1000	<<locked>>	82%	29559	87%	**04	100%
Accurate Solo 1250	<<locked>>	92%	30400	89%	**86	100%
Alliant BULLSEYE	<<locked>>	81%	30647	90%	**52	99%
[Alliant POWER PISTOL]*	<<locked>>	93%	29849	88%	**85	85%
Alliant UNIQUE 👍	<<locked>>	94%	30414	89%	**62	99%
Baschieri & Pellagri 100	<<locked>>	85%	29602	87%	**17	100%
Hodgdon Clays	<<locked>>	76%	29414	86%	**89	100%
Hodgdon HP38	<<locked>>	64%	30501	89%	**70	100%
Hodgdon HS-6	<<locked>>	76%	30139	88%	**42	91%
Hodgdon Longshot	<<locked>>	72%	29414	86%	**32	93%
Hodgdon Universal	<<locked>>	86%	30356	89%	**16	100%
Hodgdon TrailBoss	<<locked>>	96%	9529	28%	**8	99%
[Lovex D036]*	<<locked>>	70%	30472	89%	**52	88%
Lovex S011	<<locked>>	73%	30342	89%	**50	100%
Lovex S020	<<locked>>	85%	30603	90%	**22	100%
Maxam CSB 1	<<locked>>	95%	29979	88%	**76	100%
Maxam CSB 2 👍	<<locked>>	95%	30371	89%	**26	100%
Maxam CSB 3	<<locked>>	89%	29820	87%	**53	100%
Maxam CSB 4	<<locked>>	86%	30284	89%	**44	100%
Maxam CSB 5	<<locked>>	79%	29675	87%	**81	100%
Ramshot Silhouette	<<locked>>	76%	29530	87%	**29	97%
Ramshot True Blue	<<locked>>	71%	30124	88%	**39	93%
Ramshot Zip	<<locked>>	64%	29066	85%	**53	100%
ReloadSwiss RS 12	<<locked>>	82%	30516	90%	**06	100%
ReloadSwiss RS 14	<<locked>>	94%	8311	24%	**9	94%
ReloadSwiss RS 20 👍	<<locked>>	96%	29660	87%	**58	100%
Rottweil P 801	<<locked>>	75%	30008	88%	**50	100%
[Rottweil P 806]*	<<locked>>	97%	20914	61%	**86	86%
SNPE Vectan A0	<<locked>>	94%	30095	88%	**83	99%
SNPE Vectan BA 9	<<locked>>	85%	30414	89%	**80	100%
SNPE Vectan BA10	<<locked>>	74%	29936	88%	**29	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	26136	77%	**47	90%
SNPE Vectan BA9 1/2	<<locked>>	87%	30139	88%	**90	100%
[Shooters World Auto Pistol]*	<<locked>>	70%	30472	89%	**52	88%
Somchem MP200	<<locked>>	84%	29211	86%	**19	98%
Somchem MS200	<<locked>>	89%	29530	87%	**03	99%
[Somchem S221]*	<<locked>>	81%	30313	89%	**52	82%
Vihtavuori 3N37	<<locked>>	94%	29312	86%	**49	93%
Vihtavuori N310	<<locked>>	67%	29312	86%	**35	100%
Vihtavuori N320	<<locked>>	85%	30458	89%	**63	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	20204	59%	**17	100%
Vihtavuori N330 👍	<<locked>>	89%	30545	90%	**29	100%
Vihtavuori N340 👍	<<locked>>	91%	30226	89%	**19	99%
Vihtavuori N350	<<locked>>	96%	27963	82%	**19	93%
Winchester 231	<<locked>>	71%	29066	85%	**53	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 70N	<<locked>>	60%	18579	55%	**76	99%
ADI APS 350	<<locked>>	62%	20798	61%	**35	100%
ADI APS 450	<<locked>>	62%	19464	57%	**48	100%
ADI AS 30	<<locked>>	60%	16476	48%	**32	100%
ADI AS 50N	<<locked>>	60%	17172	50%	**88	100%
[Accurate No. 2]*	<<locked>>	61%	15113	44%	**42	86%
[Accurate No. 5]*	<<locked>>	61%	22263	65%	**81	83%
Accurate Solo 1000	<<locked>>	61%	16998	50%	**61	100%
Accurate Solo 1250	<<locked>>	61%	13068	38%	**93	94%
Alliant BULLSEYE	<<locked>>	61%	17463	51%	**53	93%
[Alliant POWER PISTOL]*	<<locked>>	85%	23902	70%	**63	81%
[Alliant UNIQUE]*	<<locked>>	61%	12807	38%	**15	87%
Baschieri & Pellagri 100	<<locked>>	61%	15214	45%	**32	99%
Hodgdon Clays	<<locked>>	62%	20856	61%	**48	100%
Hodgdon HP38	<<locked>>	61%	27296	80%	**17	100%
[Hodgdon HS-6]*	<<locked>>	61%	18231	53%	**73	82%
[Hodgdon Longshot]*	<<locked>>	62%	20494	60%	**39	87%
Hodgdon Universal	<<locked>>	61%	15708	46%	**91	97%
Hodgdon TrailBoss	<<locked>>	60%	4975	15%	**2	90%
[Lovex D036]*	<<locked>>	61%	22220	65%	**81	83%
Lovex S011	<<locked>>	61%	21393	63%	**83	100%
Lovex S020	<<locked>>	62%	15069	44%	**84	93%
Maxam CSB 1	<<locked>>	61%	12531	37%	**70	93%
Maxam CSB 2	<<locked>>	62%	12241	36%	**22	98%
Maxam CSB 3	<<locked>>	61%	14504	43%	**29	99%
Maxam CSB 4	<<locked>>	62%	16534	48%	**71	100%
Maxam CSB 5	<<locked>>	62%	18956	56%	**91	100%
Ramshot Silhouette	<<locked>>	60%	18144	53%	**70	90%
[Ramshot True Blue]*	<<locked>>	61%	20958	61%	**35	87%
Ramshot Zip	<<locked>>	61%	26208	77%	**11	100%
ReloadSwiss RS 12	<<locked>>	60%	15954	47%	**24	100%
[ReloadSwiss RS 14]*	<<locked>>	63%	4931	14%	**9	84%
[ReloadSwiss RS 20]*	<<locked>>	60%	11197	33%	**66	86%
Rottweil P 801	<<locked>>	61%	20291	60%	**83	100%
[Rottweil P 806]*	<<locked>>	90%	16853	49%	**62	81%
[SNPE Vectan A0]*	<<locked>>	61%	12821	38%	**66	86%
SNPE Vectan BA 9	<<locked>>	60%	15258	45%	**42	94%
SNPE Vectan BA10	<<locked>>	60%	20929	61%	**75	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	75%	15519	46%	**78	80%
SNPE Vectan BA9 1/2	<<locked>>	60%	14750	43%	**45	95%
[Shooters World Auto Pistol]*	<<locked>>	61%	22220	65%	**81	83%
[Somchem MP200]*	<<locked>>	60%	14939	44%	**65	88%
Somchem MS200	<<locked>>	62%	14562	43%	**42	90%
[Somchem S221]*	<<locked>>	79%	28065	82%	**09	80%
[Vihtavuori 3N37]*	<<locked>>	70%	14533	43%	**84	80%
Vihtavuori N310	<<locked>>	60%	24047	71%	**53	100%
Vihtavuori N320	<<locked>>	62%	16157	47%	**91	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	9210	27%	**5	100%
Vihtavuori N330	<<locked>>	62%	13735	40%	**65	97%
[Vihtavuori N340]*	<<locked>>	61%	12792	38%	**02	87%
[Vihtavuori N350]*	<<locked>>	72%	14373	42%	**75	80%
Winchester 231	<<locked>>	60%	21176	62%	**09	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