Load data for .357 SIG + .355 | 124gr | Speer HPSB GD

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Speer HPSB GD
Manufacturer SKU:	4000
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	<<locked>>
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B6205_C518
Last updated:	2026-01-21

Load data for 122 loads in caliber .357 SIG with .355 | 124gr | Speer HPSB GD bullet and 61 powder(s). 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%	24410	55%	**24	88%
ADI AP 70N	<<locked>>	82%	39595	89%	**68	100%
ADI APS 350	<<locked>>	86%	39334	89%	**58	100%
ADI APS 450	<<locked>>	89%	39653	90%	**01	100%
ADI AS 30	<<locked>>	92%	39581	89%	**53	100%
ADI AS 50N	<<locked>>	88%	39117	88%	**96	100%
Accurate No. 2	<<locked>>	87%	38740	88%	**55	100%
Accurate No. 5	<<locked>>	74%	39494	89%	**60	97%
[Accurate No. 7]*	<<locked>>	93%	39450	89%	**99	86%
Accurate Solo 1000	<<locked>>	90%	38885	88%	**73	100%
Accurate Solo 1250	<<locked>>	97%	38841	88%	**35	100%
Alliant BULLSEYE	<<locked>>	86%	39668	90%	**17	100%
Alliant POWER PISTOL	<<locked>>	97%	38392	87%	**90	94%
Alliant Sport Pistol	<<locked>>	80%	39581	89%	**17	100%
Alliant UNIQUE	<<locked>>	96%	37304	84%	**07	100%
Baschieri & Pellagri 100	<<locked>>	92%	39508	89%	**83	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	26034	59%	**58	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	86%	39189	89%	**09	100%
Hodgdon Clays	<<locked>>	85%	38725	88%	**68	100%
Hodgdon HP38	<<locked>>	68%	39218	89%	**19	100%
Hodgdon HS-6	<<locked>>	80%	39247	89%	**37	98%
Hodgdon Longshot	<<locked>>	76%	39001	88%	**37	99%
Hodgdon TiteGroup	<<locked>>	63%	39204	89%	**66	100%
Hodgdon Universal	<<locked>>	91%	39595	89%	**68	100%
Hodgdon CFE Pistol	<<locked>>	93%	39450	89%	**58	100%
Lovex D036	<<locked>>	74%	39436	89%	**60	97%
[Lovex D037.1]*	<<locked>>	93%	39450	89%	**99	86%
Lovex S011	<<locked>>	79%	39784	90%	**12	100%
Lovex S020	<<locked>>	88%	39160	89%	**75	100%
Maxam CSB 1	<<locked>>	96%	35143	79%	**96	100%
Maxam CSB 2	<<locked>>	96%	36753	83%	**35	100%
Maxam CSB 3	<<locked>>	95%	39407	89%	**12	100%
Maxam CSB 4	<<locked>>	91%	38682	87%	**86	100%
Maxam CSB 5	<<locked>>	86%	39581	89%	**43	100%
Ramshot Silhouette	<<locked>>	81%	39465	89%	**24	100%
Ramshot True Blue 👍	<<locked>>	75%	38957	88%	**30	99%
Ramshot Zip	<<locked>>	70%	39653	90%	**35	100%
ReloadSwiss RS 12	<<locked>>	86%	39552	89%	**45	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	35041	79%	**78	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	35665	81%	**40	87%
Rottweil P 801	<<locked>>	79%	38914	88%	**96	100%
Rottweil P 806	<<locked>>	97%	26643	60%	**88	95%
SNPE Vectan A0	<<locked>>	97%	36361	82%	**29	100%
SNPE Vectan BA 9	<<locked>>	91%	39436	89%	**42	100%
SNPE Vectan BA10	<<locked>>	83%	39653	90%	**01	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	31111	70%	**09	97%
SNPE Vectan BA9 1/2	<<locked>>	93%	39204	89%	**52	100%
SNPE Vectan SP 2	<<locked>>	93%	38493	87%	**22	96%
Shooters World Auto Pistol	<<locked>>	74%	39436	89%	**60	97%
[Shooters World Major Pistol]*	<<locked>>	93%	39450	89%	**99	86%
Somchem MP200 👍	<<locked>>	90%	39552	89%	**14	100%
Somchem MS200 👍	<<locked>>	95%	38972	88%	**85	100%
Somchem S221	<<locked>>	85%	39436	89%	**70	92%
Vihtavuori 3N37	<<locked>>	96%	36869	83%	**24	99%
Vihtavuori N310	<<locked>>	73%	39073	88%	**01	100%
Vihtavuori N320	<<locked>>	89%	38972	88%	**96	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	24018	54%	**56	100%
Vihtavuori N330	<<locked>>	92%	39392	89%	**65	100%
Vihtavuori N340 👍	<<locked>>	96%	39639	90%	**91	100%
Vihtavuori N350	<<locked>>	96%	33243	75%	**71	99%
Winchester 231	<<locked>>	77%	39653	90%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	80%	16012	36%	**40	80%
ADI AP 70N	<<locked>>	61%	21582	49%	**22	100%
ADI APS 350	<<locked>>	60%	22046	50%	**1	100%
ADI APS 450	<<locked>>	61%	20943	47%	**8	100%
ADI AS 30	<<locked>>	62%	19203	43%	**8	100%
ADI AS 50N	<<locked>>	62%	20349	46%	**47	100%
Accurate No. 2	<<locked>>	61%	17289	39%	**20	94%
Accurate No. 5	<<locked>>	62%	26165	59%	**57	92%
[Accurate No. 7]*	<<locked>>	84%	29327	66%	**62	81%
Accurate Solo 1000	<<locked>>	60%	18637	42%	**4	100%
Accurate Solo 1250	<<locked>>	60%	14808	33%	**8	99%
Alliant BULLSEYE	<<locked>>	61%	20131	46%	**15	99%
[Alliant POWER PISTOL]*	<<locked>>	67%	16839	38%	**93	80%
Alliant Sport Pistol	<<locked>>	61%	22481	51%	**65	99%
Alliant UNIQUE	<<locked>>	61%	14547	33%	**7	94%
Baschieri & Pellagri 100	<<locked>>	60%	17071	39%	**1	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	69%	12966	29%	**2	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	62%	18318	41%	**43	100%
Hodgdon Clays	<<locked>>	60%	22191	50%	**5	100%
Hodgdon HP38	<<locked>>	60%	30705	69%	**27	100%
Hodgdon HS-6	<<locked>>	61%	21190	48%	**55	91%
Hodgdon Longshot	<<locked>>	60%	22626	51%	**88	94%
Hodgdon TiteGroup	<<locked>>	60%	35897	81%	**34	100%
Hodgdon Universal	<<locked>>	61%	17796	40%	**50	100%
Hodgdon CFE Pistol	<<locked>>	60%	16331	37%	**14	99%
Lovex D036	<<locked>>	62%	26121	59%	**57	91%
[Lovex D037.1]*	<<locked>>	84%	29327	66%	**62	81%
Lovex S011	<<locked>>	62%	24337	55%	**19	100%
Lovex S020	<<locked>>	60%	16708	38%	**37	98%
Maxam CSB 1	<<locked>>	61%	14185	32%	**5	99%
Maxam CSB 2	<<locked>>	62%	14475	33%	**1	100%
Maxam CSB 3	<<locked>>	60%	16331	37%	**8	100%
Maxam CSB 4	<<locked>>	61%	18507	42%	**10	100%
Maxam CSB 5	<<locked>>	61%	21176	48%	**14	100%
Ramshot Silhouette	<<locked>>	62%	21698	49%	**55	97%
Ramshot True Blue	<<locked>>	61%	24439	55%	**11	95%
Ramshot Zip	<<locked>>	62%	30995	70%	**37	100%
ReloadSwiss RS 12	<<locked>>	60%	18898	43%	**70	100%
ReloadSwiss RS 20	<<locked>>	60%	12792	29%	**5	95%
[ReloadSwiss RS 24]*	<<locked>>	85%	24903	56%	**63	80%
Rottweil P 801	<<locked>>	62%	23699	54%	**12	100%
[Rottweil P 806]*	<<locked>>	73%	11647	26%	**24	80%
SNPE Vectan A0	<<locked>>	61%	14388	33%	**1	94%
SNPE Vectan BA 9	<<locked>>	60%	17463	39%	**17	99%
SNPE Vectan BA10	<<locked>>	62%	24178	55%	**17	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	63%	12633	29%	**2	82%
SNPE Vectan BA9 1/2	<<locked>>	60%	16708	38%	**14	100%
[SNPE Vectan SP 2]*	<<locked>>	64%	14750	33%	**63	80%
Shooters World Auto Pistol	<<locked>>	62%	26121	59%	**57	91%
[Shooters World Major Pistol]*	<<locked>>	84%	29327	66%	**62	81%
Somchem MP200	<<locked>>	61%	17303	39%	**53	95%
Somchem MS200	<<locked>>	62%	16563	37%	**20	97%
[Somchem S221]*	<<locked>>	64%	19841	45%	**38	80%
[Vihtavuori 3N37]*	<<locked>>	62%	13184	30%	**4	85%
Vihtavuori N310	<<locked>>	62%	28645	65%	**89	100%
Vihtavuori N320	<<locked>>	62%	18362	42%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	77%	15650	35%	**5	100%
Vihtavuori N330	<<locked>>	62%	16447	37%	**40	100%
Vihtavuori N340	<<locked>>	61%	14924	34%	**1	95%
[Vihtavuori N350]*	<<locked>>	62%	11893	27%	**8	83%
Winchester 231	<<locked>>	61%	24555	56%	**48	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