Load data for .38-45 ACP + .357 | 125gr | Sierra JHC SportsMaster

Recommended Powder(s): Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Sierra JHC SportsMaster
Manufacturer SKU:	8320
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.534" \| 13.6mm
Caliber:	.38-45 ACP load data
Case Length (l3):	0.898" \| 22.8mm
Cartridge Length (C.O.L.):	1.229" \| 31.2mm
Seated Depth:	0.203" \| 5.1mm
Shank Seated Depth:	0.203" \| 5.1mm
Case Capacity:	22.0 Grains of Water \| 1.43 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B5944_C596
Last updated:	2025-01-01

Load data for 0 loads in caliber .38-45 ACP with .357 | 125gr | Sierra JHC SportsMaster bullet and 0 powders such as Vihtavuori 3N37, Vihtavuori N350. 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>>	91%	30560	90%	**21	95%
ADI APS 350	<<locked>>	64%	29327	86%	**22	100%
ADI APS 450	<<locked>>	67%	29602	87%	**65	100%
ADI AS 30	<<locked>>	67%	29356	86%	**01	100%
ADI AS 50N	<<locked>>	65%	29791	87%	**50	100%
Accurate No. 2	<<locked>>	69%	30458	89%	**42	100%
[Accurate No. 7]*	<<locked>>	72%	30211	89%	**60	86%
Accurate Solo 1000	<<locked>>	68%	30066	88%	**40	100%
Accurate Solo 1250	<<locked>>	73%	29849	88%	**99	100%
[Alliant BLUE DOT]*	<<locked>>	91%	29907	88%	**44	85%
Alliant BULLSEYE	<<locked>>	64%	30037	88%	**65	100%
Alliant POWER PISTOL	<<locked>>	74%	30095	88%	**53	94%
Alliant UNIQUE	<<locked>>	74%	30589	90%	**78	100%
Baschieri & Pellagri 100	<<locked>>	70%	30327	89%	**50	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	88%	30560	90%	**70	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	66%	30240	89%	**73	100%
Hodgdon Clays	<<locked>>	64%	30110	88%	**45	100%
Hodgdon Universal	<<locked>>	66%	30052	88%	**12	100%
Hodgdon CFE Pistol	<<locked>>	69%	29747	87%	**09	100%
Hodgdon TrailBoss	<<locked>>	94%	16085	47%	**8	100%
[Lovex D037.1]*	<<locked>>	72%	30211	89%	**60	86%
Lovex S020	<<locked>>	67%	30429	89%	**35	100%
Maxam CSB 1	<<locked>>	75%	29443	86%	**89	100%
Maxam CSB 2	<<locked>>	72%	29573	87%	**96	100%
Maxam CSB 3	<<locked>>	71%	29617	87%	**70	100%
Maxam CSB 4	<<locked>>	68%	30066	88%	**57	100%
Maxam CSB 5	<<locked>>	64%	29921	88%	**98	100%
ReloadSwiss RS 14	<<locked>>	95%	15345	45%	**1	100%
ReloadSwiss RS 20	<<locked>>	75%	30211	89%	**78	100%
[ReloadSwiss RS 24]*	<<locked>>	77%	30182	89%	**53	89%
Rottweil P 806	<<locked>>	82%	30429	89%	**93	99%
SNPE Vectan A0	<<locked>>	76%	29689	87%	**22	100%
SNPE Vectan BA 9	<<locked>>	69%	29718	87%	**02	100%
SNPE Vectan BA10	<<locked>>	62%	29602	87%	**65	100%
SNPE Vectan BA7 1/2	<<locked>>	81%	29762	87%	**75	99%
SNPE Vectan BA9 1/2	<<locked>>	69%	29689	87%	**02	100%
SNPE Vectan SP 2	<<locked>>	70%	30240	89%	**70	96%
[Shooters World Major Pistol]*	<<locked>>	72%	30211	89%	**60	86%
Somchem MP200	<<locked>>	67%	29936	88%	**62	100%
Somchem MS200	<<locked>>	71%	30052	88%	**42	100%
Somchem S221	<<locked>>	64%	29863	88%	**11	92%
Vihtavuori 3N37 👍	<<locked>>	76%	30443	89%	**14	99%
[Vihtavuori 3N38]*	<<locked>>	88%	30139	88%	**30	89%
Vihtavuori N105	<<locked>>	96%	30023	88%	**06	94%
Vihtavuori N320	<<locked>>	66%	29530	87%	**50	100%
Vihtavuori N32C Tin Star	<<locked>>	89%	29834	88%	**78	100%
Vihtavuori N330	<<locked>>	68%	29573	87%	**12	100%
Vihtavuori N340	<<locked>>	73%	30589	90%	**55	100%
Vihtavuori N350 👍	<<locked>>	79%	30429	89%	**11	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	60%	14344	42%	**37	82%
ADI APS 350	<<locked>>	60%	26760	79%	**83	100%
ADI APS 450	<<locked>>	61%	25976	76%	**06	100%
ADI AS 30	<<locked>>	61%	25715	75%	**42	100%
ADI AS 50N	<<locked>>	61%	27180	80%	**11	100%
Accurate No. 2	<<locked>>	61%	24134	71%	**40	100%
[Accurate No. 7]*	<<locked>>	63%	22727	67%	**02	80%
Accurate Solo 1000	<<locked>>	61%	25092	74%	**68	100%
Accurate Solo 1250	<<locked>>	61%	21886	64%	**65	100%
[Alliant BLUE DOT]*	<<locked>>	83%	24018	70%	**22	80%
Alliant BULLSEYE	<<locked>>	61%	27601	81%	**29	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	20987	62%	**57	89%
Alliant UNIQUE	<<locked>>	62%	22263	65%	**30	100%
Baschieri & Pellagri 100	<<locked>>	61%	24584	72%	**61	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	15969	47%	**20	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	60%	25686	75%	**07	100%
Hodgdon Clays	<<locked>>	60%	27195	80%	**02	100%
Hodgdon Universal	<<locked>>	62%	26687	78%	**57	100%
Hodgdon CFE Pistol	<<locked>>	61%	24569	72%	**20	100%
Hodgdon TrailBoss	<<locked>>	71%	10805	32%	**3	100%
[Lovex D037.1]*	<<locked>>	63%	22727	67%	**02	80%
Lovex S020	<<locked>>	61%	25556	75%	**60	100%
Maxam CSB 1	<<locked>>	60%	20044	59%	**22	100%
Maxam CSB 2	<<locked>>	60%	21988	65%	**68	100%
Maxam CSB 3	<<locked>>	60%	22902	67%	**58	100%
Maxam CSB 4	<<locked>>	61%	25179	74%	**75	100%
Maxam CSB 5	<<locked>>	60%	27325	80%	**58	100%
ReloadSwiss RS 14	<<locked>>	72%	10660	31%	**0	100%
ReloadSwiss RS 20	<<locked>>	61%	19667	58%	**88	100%
[ReloadSwiss RS 24]*	<<locked>>	63%	19740	58%	**20	80%
Rottweil P 806	<<locked>>	61%	15751	46%	**68	90%
SNPE Vectan A0	<<locked>>	60%	19957	59%	**38	99%
SNPE Vectan BA 9	<<locked>>	61%	24468	72%	**14	100%
SNPE Vectan BA10	<<locked>>	60%	28398	83%	**42	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17564	52%	**15	92%
SNPE Vectan BA9 1/2	<<locked>>	61%	24395	72%	**17	100%
SNPE Vectan SP 2	<<locked>>	61%	22553	66%	**12	92%
[Shooters World Major Pistol]*	<<locked>>	63%	22727	67%	**02	80%
Somchem MP200	<<locked>>	61%	24772	73%	**70	100%
Somchem MS200	<<locked>>	61%	22756	67%	**14	100%
Somchem S221	<<locked>>	61%	27079	79%	**62	90%
Vihtavuori 3N37	<<locked>>	60%	19508	57%	**91	95%
[Vihtavuori 3N38]*	<<locked>>	71%	18594	55%	**84	80%
[Vihtavuori N105]*	<<locked>>	72%	15461	45%	**45	80%
Vihtavuori N320	<<locked>>	61%	25933	76%	**98	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	16433	48%	**8	100%
Vihtavuori N330	<<locked>>	61%	23960	70%	**20	100%
Vihtavuori N340	<<locked>>	61%	22191	65%	**04	100%
Vihtavuori N350	<<locked>>	61%	18318	54%	**65	95%

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