Load data for .38 Super Auto + .355 | 124gr | Geco FMJ

Recommended Powder(s): Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Vihtavuori N340

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:	<<locked>>
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B9005_C583
Last updated:	2026-03-25

Load data for 118 loads in caliber .38 Super Auto with .355 | 124gr | Geco FMJ bullet and 59 powders such as Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, 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 100]*	<<locked>>	96%	25048	75%	**17	88%
ADI AP 70N	<<locked>>	70%	29269	88%	**30	100%
ADI APS 350	<<locked>>	73%	29921	90%	**47	100%
ADI APS 450	<<locked>>	75%	29965	90%	**83	100%
ADI AS 30	<<locked>>	78%	29965	90%	**32	100%
ADI AS 50N	<<locked>>	76%	29979	90%	**78	100%
Accurate No. 2	<<locked>>	77%	29544	89%	**24	99%
Accurate No. 5	<<locked>>	64%	29544	89%	**99	93%
Accurate Solo 1000	<<locked>>	77%	29646	89%	**52	100%
Accurate Solo 1250	<<locked>>	85%	29718	89%	**14	100%
Alliant BE-86	<<locked>>	83%	29167	87%	**04	100%
Alliant BULLSEYE	<<locked>>	74%	29704	89%	**76	100%
Alliant Herco	<<locked>>	97%	26919	81%	**37	100%
Alliant POWER PISTOL	<<locked>>	86%	29356	88%	**39	91%
Alliant RED DOT	<<locked>>	80%	29138	87%	**45	100%
Alliant Sport Pistol	<<locked>>	69%	29936	90%	**76	100%
Alliant UNIQUE 👍	<<locked>>	85%	29327	88%	**80	100%
Baschieri & Pellagri 100	<<locked>>	80%	29849	89%	**65	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	26701	80%	**52	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	76%	29544	89%	**91	100%
Hodgdon Clays	<<locked>>	71%	29399	88%	**50	100%
Hodgdon HS-6	<<locked>>	70%	29428	88%	**83	95%
Hodgdon Longshot	<<locked>>	68%	30008	90%	**93	97%
Hodgdon Universal	<<locked>>	78%	29269	88%	**30	100%
Hodgdon CFE Pistol	<<locked>>	80%	29747	89%	**27	100%
Lovex D036	<<locked>>	64%	29486	88%	**99	93%
Lovex S011	<<locked>>	67%	29182	87%	**78	100%
Lovex S020	<<locked>>	78%	29718	89%	**47	100%
Maxam CSB 1	<<locked>>	88%	29472	88%	**11	100%
Maxam CSB 2	<<locked>>	86%	29428	88%	**27	100%
Maxam CSB 3	<<locked>>	82%	29298	88%	**84	100%
Maxam CSB 4	<<locked>>	78%	29312	88%	**65	100%
Maxam CSB 5	<<locked>>	73%	29631	89%	**22	100%
Ramshot Silhouette 👍	<<locked>>	71%	29733	89%	**76	100%
Ramshot True Blue	<<locked>>	66%	29965	90%	**89	97%
ReloadSwiss RS 12	<<locked>>	73%	28906	87%	**07	100%
ReloadSwiss RS 20 👍	<<locked>>	88%	29399	88%	**89	100%
[ReloadSwiss RS 24]*	<<locked>>	90%	29718	89%	**25	84%
Rottweil P 801	<<locked>>	68%	29370	88%	**75	100%
Rottweil P 806	<<locked>>	97%	27934	84%	**81	96%
SNPE Vectan A0	<<locked>>	87%	29138	87%	**27	100%
SNPE Vectan BA 9	<<locked>>	78%	29327	88%	**04	100%
SNPE Vectan BA10	<<locked>>	70%	29950	90%	**83	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	29588	89%	**70	96%
SNPE Vectan BA9 1/2	<<locked>>	79%	29051	87%	**14	100%
SNPE Vectan SP 2	<<locked>>	83%	29544	89%	**62	93%
Shooters World Auto Pistol	<<locked>>	64%	29486	88%	**99	93%
Somchem MP200 👍	<<locked>>	79%	29965	90%	**70	100%
Somchem MS200	<<locked>>	83%	29979	90%	**50	100%
[Somchem S221]*	<<locked>>	75%	29834	89%	**09	88%
Vihtavuori 3N37	<<locked>>	88%	29994	90%	**09	97%
[Vihtavuori 3N38]*	<<locked>>	97%	25367	76%	**43	82%
Vihtavuori N320	<<locked>>	76%	28877	87%	**71	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	24743	74%	**53	100%
Vihtavuori N330	<<locked>>	80%	28877	87%	**34	100%
Vihtavuori N340 👍	<<locked>>	84%	29515	88%	**53	100%
Vihtavuori N350	<<locked>>	91%	29747	89%	**96	98%
Winchester 231	<<locked>>	67%	29950	90%	**07	100%
Winchester AutoComp	<<locked>>	86%	29979	90%	**34	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	79%	16172	48%	**24	80%
ADI AP 70N	<<locked>>	61%	22379	67%	**22	100%
ADI APS 350	<<locked>>	60%	22365	67%	**8	100%
ADI APS 450	<<locked>>	61%	21263	64%	**5	100%
ADI AS 30	<<locked>>	62%	19870	60%	**4	100%
ADI AS 50N	<<locked>>	62%	21089	63%	**47	100%
Accurate No. 2	<<locked>>	61%	17811	53%	**20	94%
Accurate No. 5	<<locked>>	62%	26847	80%	**47	92%
Accurate Solo 1000	<<locked>>	60%	18971	57%	**1	100%
Accurate Solo 1250	<<locked>>	60%	15273	46%	**5	99%
Alliant BE-86	<<locked>>	61%	15882	48%	**1	100%
Alliant BULLSEYE	<<locked>>	61%	20552	62%	**12	99%
Alliant Herco	<<locked>>	60%	10936	33%	**9	90%
[Alliant POWER PISTOL]*	<<locked>>	67%	16984	51%	**76	80%
Alliant RED DOT	<<locked>>	61%	18521	56%	**1	100%
Alliant Sport Pistol	<<locked>>	61%	22945	69%	**58	99%
Alliant UNIQUE	<<locked>>	61%	15258	46%	**7	95%
Baschieri & Pellagri 100	<<locked>>	60%	17564	53%	**8	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	62%	10994	33%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	62%	19116	57%	**40	100%
Hodgdon Clays	<<locked>>	60%	22524	68%	**1	100%
Hodgdon HS-6	<<locked>>	61%	21770	65%	**48	91%
Hodgdon Longshot	<<locked>>	60%	23206	70%	**81	94%
Hodgdon Universal	<<locked>>	61%	18637	56%	**47	100%
Hodgdon CFE Pistol	<<locked>>	60%	17056	51%	**14	100%
Lovex D036	<<locked>>	62%	26803	80%	**53	92%
Lovex S011	<<locked>>	62%	24816	74%	**12	100%
Lovex S020	<<locked>>	60%	17434	52%	**33	98%
Maxam CSB 1	<<locked>>	61%	14866	45%	**8	99%
Maxam CSB 2	<<locked>>	62%	15273	46%	**1	100%
Maxam CSB 3	<<locked>>	60%	16781	50%	**1	100%
Maxam CSB 4	<<locked>>	61%	19029	57%	**07	100%
Maxam CSB 5	<<locked>>	61%	21582	65%	**07	100%
Ramshot Silhouette	<<locked>>	62%	22234	67%	**55	97%
Ramshot True Blue	<<locked>>	61%	25063	75%	**04	95%
ReloadSwiss RS 12	<<locked>>	60%	19711	59%	**70	100%
ReloadSwiss RS 20	<<locked>>	60%	13227	40%	**5	95%
[ReloadSwiss RS 24]*	<<locked>>	83%	24613	74%	**34	80%
Rottweil P 801	<<locked>>	62%	24410	73%	**09	100%
[Rottweil P 806]*	<<locked>>	72%	11893	36%	**14	80%
SNPE Vectan A0	<<locked>>	61%	14953	45%	**8	94%
SNPE Vectan BA 9	<<locked>>	60%	17840	53%	**14	99%
SNPE Vectan BA10	<<locked>>	62%	24584	74%	**10	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12328	37%	**9	82%
SNPE Vectan BA9 1/2	<<locked>>	60%	17231	52%	**10	100%
[SNPE Vectan SP 2]*	<<locked>>	63%	15040	45%	**60	81%
Shooters World Auto Pistol	<<locked>>	62%	26803	80%	**53	92%
Somchem MP200	<<locked>>	61%	17840	53%	**50	96%
Somchem MS200	<<locked>>	62%	17187	52%	**20	97%
[Somchem S221]*	<<locked>>	63%	20175	60%	**25	80%
[Vihtavuori 3N37]*	<<locked>>	62%	13808	41%	**8	86%
[Vihtavuori 3N38]*	<<locked>>	94%	23627	71%	**14	80%
Vihtavuori N320	<<locked>>	62%	19072	57%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	64%	11792	35%	**7	100%
Vihtavuori N330	<<locked>>	62%	16984	51%	**40	100%
Vihtavuori N340	<<locked>>	61%	15403	46%	**8	95%
[Vihtavuori N350]*	<<locked>>	62%	12546	38%	**5	84%
Winchester 231	<<locked>>	61%	25106	75%	**38	100%
Winchester AutoComp	<<locked>>	62%	15302	46%	**1	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