Load data for .357 SIG + .355 | 100gr | Speer JHP

Recommended Powder(s): Alliant BULLSEYE, Alliant UNIQUE, Ramshot Silhouette, Somchem MS200, Vihtavuori 3N37

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 100gr \| Speer JHP
Manufacturer SKU:	3983
Bullet Weight:	100gr \| 6.5g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.461" \| 11.7mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.198" \| 5.0mm
Shank Seated Depth:	0.198" \| 5.0mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B6200_C518
Last updated:	2025-01-01

Load data for 114 loads in caliber .357 SIG with .355 | 100gr | Speer JHP bullet and 57 powders such as Alliant BULLSEYE, Alliant UNIQUE, Ramshot Silhouette, Somchem MS200, Vihtavuori 3N37. 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>>	97%	25759	58%	**60	87%
ADI AP 70N	<<locked>>	81%	39610	90%	**21	100%
ADI APS 350	<<locked>>	84%	38783	88%	**71	100%
ADI APS 450	<<locked>>	86%	38319	87%	**14	100%
ADI AS 30	<<locked>>	89%	38116	86%	**70	100%
ADI AS 50N	<<locked>>	87%	39552	89%	**39	100%
Accurate No. 2	<<locked>>	87%	39465	89%	**08	100%
Accurate No. 5	<<locked>>	72%	39508	89%	**19	96%
[Accurate No. 7]*	<<locked>>	91%	38783	88%	**49	84%
Accurate Solo 1000	<<locked>>	89%	39363	89%	**22	100%
Accurate Solo 1250	<<locked>>	96%	39595	90%	**98	100%
Alliant BULLSEYE 👍	<<locked>>	85%	39639	90%	**83	100%
Alliant POWER PISTOL	<<locked>>	96%	38928	88%	**62	93%
Alliant UNIQUE 👍	<<locked>>	96%	38740	88%	**77	100%
Baschieri & Pellagri 100	<<locked>>	90%	39349	89%	**22	100%
Hodgdon Clays	<<locked>>	84%	39102	88%	**94	100%
Hodgdon HP38	<<locked>>	67%	39044	88%	**65	100%
Hodgdon HS-6	<<locked>>	78%	38464	87%	**73	97%
Hodgdon Longshot	<<locked>>	76%	39624	90%	**96	99%
Hodgdon Universal	<<locked>>	90%	39610	90%	**21	100%
Hodgdon TrailBoss	<<locked>>	96%	11458	26%	**4	100%
Lovex D036	<<locked>>	72%	39450	89%	**19	96%
[Lovex D037.1]*	<<locked>>	91%	38783	88%	**49	84%
Lovex S011	<<locked>>	76%	38290	87%	**39	100%
Lovex S020	<<locked>>	86%	38348	87%	**14	100%
Maxam CSB 1	<<locked>>	95%	35520	80%	**32	100%
Maxam CSB 2	<<locked>>	96%	38609	87%	**91	100%
Maxam CSB 3	<<locked>>	94%	39218	89%	**55	100%
Maxam CSB 4	<<locked>>	90%	38740	88%	**29	100%
Maxam CSB 5	<<locked>>	85%	39160	89%	**73	100%
Ramshot Silhouette 👍	<<locked>>	79%	39233	89%	**70	100%
Ramshot True Blue	<<locked>>	74%	38972	88%	**77	98%
Ramshot Zip	<<locked>>	68%	39247	89%	**78	100%
ReloadSwiss RS 12	<<locked>>	84%	39595	90%	**81	100%
ReloadSwiss RS 14	<<locked>>	94%	10037	23%	**8	98%
ReloadSwiss RS 20	<<locked>>	96%	36463	82%	**40	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	36767	83%	**06	86%
Rottweil P 801	<<locked>>	77%	37884	86%	**22	100%
Rottweil P 806	<<locked>>	97%	28427	64%	**40	95%
SNPE Vectan A0	<<locked>>	97%	37376	85%	**94	100%
SNPE Vectan BA 9	<<locked>>	90%	39581	89%	**91	100%
SNPE Vectan BA10	<<locked>>	80%	38290	87%	**14	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	31430	71%	**49	96%
SNPE Vectan BA9 1/2	<<locked>>	91%	38769	88%	**98	100%
Shooters World Auto Pistol	<<locked>>	72%	39450	89%	**19	96%
[Shooters World Major Pistol]*	<<locked>>	91%	38783	88%	**49	84%
Somchem MP200	<<locked>>	89%	39755	90%	**67	100%
Somchem MS200 👍	<<locked>>	93%	38870	88%	**31	100%
Somchem S221	<<locked>>	83%	39044	88%	**22	91%
Vihtavuori 3N37 👍	<<locked>>	97%	38914	88%	**03	99%
Vihtavuori N310	<<locked>>	71%	37869	86%	**14	100%
Vihtavuori N320	<<locked>>	86%	37782	85%	**29	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	25773	58%	**76	100%
Vihtavuori N330	<<locked>>	90%	38653	87%	**08	100%
Vihtavuori N340	<<locked>>	94%	38638	87%	**31	100%
Vihtavuori N350	<<locked>>	96%	34635	78%	**34	98%
Winchester 231	<<locked>>	76%	39247	89%	**78	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	83%	18695	42%	**86	81%
ADI AP 70N	<<locked>>	61%	23308	53%	**55	100%
ADI APS 350	<<locked>>	60%	22365	51%	**35	100%
ADI APS 450	<<locked>>	62%	21988	50%	**68	100%
ADI AS 30	<<locked>>	60%	19276	44%	**68	100%
ADI AS 50N	<<locked>>	61%	20885	47%	**43	100%
Accurate No. 2	<<locked>>	61%	17811	40%	**07	93%
Accurate No. 5	<<locked>>	61%	26818	61%	**86	90%
[Accurate No. 7]*	<<locked>>	86%	33301	75%	**50	81%
Accurate Solo 1000	<<locked>>	60%	19363	44%	**94	100%
Accurate Solo 1250	<<locked>>	62%	16099	36%	**71	99%
Alliant BULLSEYE	<<locked>>	61%	20682	47%	**25	98%
[Alliant POWER PISTOL]*	<<locked>>	70%	18942	43%	**29	80%
Alliant UNIQUE	<<locked>>	61%	15476	35%	**94	94%
Baschieri & Pellagri 100	<<locked>>	62%	18478	42%	**88	100%
Hodgdon Clays	<<locked>>	60%	22611	51%	**55	100%
Hodgdon HP38	<<locked>>	60%	31604	71%	**63	100%
[Hodgdon HS-6]*	<<locked>>	60%	21669	49%	**58	89%
Hodgdon Longshot	<<locked>>	61%	23946	54%	**14	93%
Hodgdon Universal	<<locked>>	61%	18884	43%	**53	100%
Hodgdon TrailBoss	<<locked>>	61%	5990	14%	**5	96%
Lovex D036	<<locked>>	61%	26774	61%	**83	90%
[Lovex D037.1]*	<<locked>>	86%	33301	75%	**50	81%
Lovex S011	<<locked>>	61%	24584	56%	**32	100%
Lovex S020	<<locked>>	61%	18159	41%	**53	98%
Maxam CSB 1	<<locked>>	60%	14620	33%	**19	98%
Maxam CSB 2	<<locked>>	60%	14881	34%	**68	100%
Maxam CSB 3	<<locked>>	62%	17941	41%	**01	100%
Maxam CSB 4	<<locked>>	61%	19029	43%	**07	100%
Maxam CSB 5	<<locked>>	61%	22046	50%	**17	100%
Ramshot Silhouette	<<locked>>	61%	22060	50%	**62	96%
Ramshot True Blue	<<locked>>	61%	25657	58%	**40	94%
Ramshot Zip	<<locked>>	61%	31850	72%	**76	100%
ReloadSwiss RS 12	<<locked>>	62%	21103	48%	**02	100%
ReloadSwiss RS 14	<<locked>>	60%	5482	12%	**2	90%
ReloadSwiss RS 20	<<locked>>	62%	14083	32%	**71	94%
[ReloadSwiss RS 24]*	<<locked>>	87%	28398	64%	**49	81%
Rottweil P 801	<<locked>>	61%	24018	54%	**16	100%
[Rottweil P 806]*	<<locked>>	75%	13735	31%	**53	81%
SNPE Vectan A0	<<locked>>	61%	15243	34%	**35	93%
SNPE Vectan BA 9	<<locked>>	61%	18695	42%	**24	99%
SNPE Vectan BA10	<<locked>>	62%	24511	55%	**17	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	63%	13155	30%	**89	81%
SNPE Vectan BA9 1/2	<<locked>>	60%	17593	40%	**14	99%
Shooters World Auto Pistol	<<locked>>	61%	26774	61%	**83	90%
[Shooters World Major Pistol]*	<<locked>>	86%	33301	75%	**50	81%
Somchem MP200	<<locked>>	61%	18188	41%	**57	95%
Somchem MS200	<<locked>>	62%	17172	39%	**11	96%
[Somchem S221]*	<<locked>>	65%	21828	49%	**85	80%
[Vihtavuori 3N37]*	<<locked>>	61%	13634	31%	**45	83%
Vihtavuori N310	<<locked>>	61%	28921	65%	**99	100%
Vihtavuori N320	<<locked>>	61%	18782	42%	**20	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	10762	24%	**5	100%
Vihtavuori N330	<<locked>>	62%	17187	39%	**37	100%
Vihtavuori N340	<<locked>>	61%	15548	35%	**75	94%
[Vihtavuori N350]*	<<locked>>	62%	12807	29%	**09	82%
Winchester 231	<<locked>>	61%	25106	57%	**62	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