Load data for .357 Maximum + .355 | 124gr | Geco FMJ

Recommended Powder(s): Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, Somchem S221

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Geco FMJ
Manufacturer SKU:	2318143
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.612" \| 15.5mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.252" \| 6.4mm
Shank Seated Depth:	0.252" \| 6.4mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B9005_C515
Last updated:	2025-01-01

Load data for 110 loads in caliber .357 Maximum with .355 | 124gr | Geco FMJ bullet and 55 powders such as Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, Somchem S221. 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 100	<<locked>>	88%	39030	87%	**44	100%
ADI APS 350	<<locked>>	72%	39421	88%	**52	100%
ADI APS 450	<<locked>>	73%	39421	88%	**85	100%
ADI AS 30	<<locked>>	72%	39233	87%	**24	100%
ADI AS 50N	<<locked>>	67%	38435	85%	**53	100%
[Accurate 4100]*	<<locked>>	88%	38870	86%	**90	82%
Accurate No. 2	<<locked>>	68%	39088	87%	**65	100%
Accurate No. 7	<<locked>>	68%	38870	86%	**86	94%
Accurate No. 9	<<locked>>	76%	39755	88%	**09	90%
Accurate Solo 1000	<<locked>>	72%	39827	89%	**60	100%
Accurate Solo 1250	<<locked>>	75%	39740	88%	**19	100%
Accurate TCM	<<locked>>	77%	40074	89%	**06	91%
[Alliant 2400]*	<<locked>>	87%	40263	90%	**29	87%
Alliant BLUE DOT	<<locked>>	88%	39073	87%	**99	93%
Alliant BULLSEYE	<<locked>>	65%	38711	86%	**85	100%
Alliant POWER PISTOL 👍	<<locked>>	72%	38812	86%	**80	99%
Alliant UNIQUE	<<locked>>	74%	39972	89%	**04	100%
Baschieri & Pellagri 100	<<locked>>	71%	38783	86%	**53	100%
Hodgdon Clays	<<locked>>	72%	40219	89%	**81	100%
[Hodgdon LilGun]*	<<locked>>	96%	38522	86%	**72	86%
Hodgdon Universal	<<locked>>	69%	39842	89%	**22	100%
Hodgdon TrailBoss	<<locked>>	95%	19334	43%	**06	100%
Lovex D037.1	<<locked>>	68%	38870	86%	**86	94%
[Lovex D037.2]*	<<locked>>	75%	38928	87%	**99	89%
Lovex S011	<<locked>>	62%	40393	90%	**93	100%
Lovex S020	<<locked>>	66%	38464	86%	**35	100%
Maxam CSB 1	<<locked>>	78%	39566	88%	**06	100%
Maxam CSB 2	<<locked>>	74%	39987	89%	**03	100%
Maxam CSB 3	<<locked>>	73%	39508	88%	**80	100%
Maxam CSB 4	<<locked>>	72%	39900	89%	**67	100%
Maxam CSB 5	<<locked>>	68%	39262	87%	**11	100%
[Ramshot Enforcer]*	<<locked>>	86%	40059	89%	**39	88%
ReloadSwiss RS 12	<<locked>>	63%	39204	87%	**76	100%
ReloadSwiss RS 14	<<locked>>	96%	18594	41%	**19	100%
ReloadSwiss RS 20	<<locked>>	74%	39175	87%	**78	100%
ReloadSwiss RS 24	<<locked>>	75%	39421	88%	**03	96%
Rottweil P 806 👍	<<locked>>	77%	39784	88%	**73	100%
SNPE Vectan A0	<<locked>>	76%	38841	86%	**42	100%
SNPE Vectan BA 9	<<locked>>	70%	38899	87%	**12	100%
SNPE Vectan BA10	<<locked>>	68%	39421	88%	**81	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	81%	39610	88%	**11	100%
SNPE Vectan BA9 1/2	<<locked>>	70%	38740	86%	**16	100%
[Shooters World Heavy Pistol]*	<<locked>>	75%	38928	87%	**99	89%
Shooters World Major Pistol	<<locked>>	68%	38870	86%	**86	94%
Somchem MP200	<<locked>>	67%	38856	86%	**68	100%
Somchem MS200	<<locked>>	72%	39015	87%	**49	100%
Somchem S221 👍	<<locked>>	63%	40364	90%	**90	99%
Vihtavuori 3N37	<<locked>>	74%	39436	88%	**27	100%
Vihtavuori 3N38	<<locked>>	85%	40190	89%	**96	97%
Vihtavuori N105	<<locked>>	89%	39305	87%	**22	99%
Vihtavuori N320	<<locked>>	69%	40190	89%	**67	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	39378	88%	**81	100%
Vihtavuori N330	<<locked>>	69%	39059	87%	**22	100%
Vihtavuori N340	<<locked>>	72%	38856	86%	**58	100%
Vihtavuori N350	<<locked>>	77%	40074	89%	**21	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	18898	42%	**47	91%
ADI APS 350	<<locked>>	62%	31415	70%	**40	100%
ADI APS 450	<<locked>>	61%	30153	67%	**57	100%
ADI AS 30	<<locked>>	61%	29660	66%	**86	100%
ADI AS 50N	<<locked>>	61%	32793	73%	**81	100%
[Accurate 4100]*	<<locked>>	86%	35969	80%	**37	81%
Accurate No. 2	<<locked>>	61%	31067	69%	**37	100%
[Accurate No. 7]*	<<locked>>	61%	29994	67%	**26	89%
[Accurate No. 9]*	<<locked>>	65%	26092	58%	**53	81%
Accurate Solo 1000	<<locked>>	61%	30197	67%	**22	100%
Accurate Solo 1250	<<locked>>	60%	26919	60%	**32	100%
[Accurate TCM]*	<<locked>>	62%	24221	54%	**04	81%
[Alliant 2400]*	<<locked>>	78%	30298	67%	**45	81%
[Alliant BLUE DOT]*	<<locked>>	66%	20262	45%	**93	80%
Alliant BULLSEYE	<<locked>>	61%	34853	78%	**12	100%
Alliant POWER PISTOL	<<locked>>	61%	27775	62%	**83	96%
Alliant UNIQUE	<<locked>>	61%	27862	62%	**01	100%
Baschieri & Pellagri 100	<<locked>>	60%	29327	65%	**19	100%
Hodgdon Clays	<<locked>>	62%	32024	71%	**63	100%
[Hodgdon LilGun]*	<<locked>>	90%	31140	69%	**17	80%
Hodgdon Universal	<<locked>>	61%	32285	72%	**17	100%
Hodgdon TrailBoss	<<locked>>	62%	10095	22%	**0	100%
[Lovex D037.1]*	<<locked>>	61%	29994	67%	**26	89%
[Lovex D037.2]*	<<locked>>	63%	25570	57%	**40	81%
Lovex S011	<<locked>>	61%	38319	85%	**70	100%
Lovex S020	<<locked>>	61%	32648	73%	**53	100%
Maxam CSB 1	<<locked>>	61%	25846	57%	**99	100%
Maxam CSB 2	<<locked>>	61%	28950	64%	**52	100%
Maxam CSB 3	<<locked>>	61%	28427	63%	**29	100%
Maxam CSB 4	<<locked>>	61%	30284	67%	**32	100%
Maxam CSB 5	<<locked>>	61%	33156	74%	**22	100%
[Ramshot Enforcer]*	<<locked>>	77%	28631	64%	**26	81%
ReloadSwiss RS 12	<<locked>>	61%	37115	83%	**57	100%
ReloadSwiss RS 14	<<locked>>	61%	9355	21%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	27064	60%	**88	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	25150	56%	**30	89%
Rottweil P 806	<<locked>>	61%	22916	51%	**81	98%
SNPE Vectan A0	<<locked>>	61%	25904	58%	**39	100%
SNPE Vectan BA 9	<<locked>>	61%	30501	68%	**88	100%
SNPE Vectan BA10	<<locked>>	61%	33649	75%	**09	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	22524	50%	**16	98%
SNPE Vectan BA9 1/2	<<locked>>	61%	29863	66%	**75	100%
[Shooters World Heavy Pistol]*	<<locked>>	63%	25570	57%	**40	81%
[Shooters World Major Pistol]*	<<locked>>	61%	29994	67%	**26	89%
Somchem MP200	<<locked>>	61%	31763	71%	**73	100%
Somchem MS200	<<locked>>	61%	28747	64%	**01	100%
Somchem S221	<<locked>>	61%	37246	83%	**47	98%
Vihtavuori 3N37	<<locked>>	61%	26672	59%	**21	100%
[Vihtavuori 3N38]*	<<locked>>	61%	19087	42%	**70	85%
[Vihtavuori N105]*	<<locked>>	61%	15273	34%	**94	83%
Vihtavuori N320	<<locked>>	61%	31995	71%	**65	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	19508	43%	**86	100%
Vihtavuori N330	<<locked>>	61%	31357	70%	**11	100%
Vihtavuori N340	<<locked>>	61%	28108	63%	**88	100%
Vihtavuori N350	<<locked>>	61%	24004	53%	**58	99%

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