Load data for 9 mm Mauser + .357 | 158gr | MAGTECH FMJ FLAT

Recommended Powder(s): Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| MAGTECH FMJ FLAT
Manufacturer SKU:	BU357D
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	<<locked>>
Caliber:	9 mm Mauser load data
Case Length (l3):	0.984" \| 25.0mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	18.9 Grains of Water \| 1.23 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	37710 psi \| 2600 bar
LID:	LID_B12276_C1223
Last updated:	2026-03-05

Load data for 126 loads in caliber 9 mm Mauser with .357 | 158gr | MAGTECH FMJ FLAT bullet and 63 powders such as Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, 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>>	97%	23830	63%	**5	87%
ADI AP 70N	<<locked>>	76%	33228	88%	**07	100%
ADI APS 350	<<locked>>	78%	32343	86%	**0	100%
ADI APS 450	<<locked>>	81%	33446	89%	**3	100%
ADI AS 30	<<locked>>	84%	32866	87%	**5	100%
ADI AS 50N	<<locked>>	82%	33344	88%	**8	100%
Accurate No. 2	<<locked>>	83%	33127	88%	**7	100%
Accurate No. 5	<<locked>>	70%	32880	87%	**66	94%
[Accurate No. 7]*	<<locked>>	91%	33794	90%	**12	82%
Accurate Solo 1000	<<locked>>	84%	33286	88%	**5	100%
Accurate Solo 1250	<<locked>>	92%	33663	89%	**7	100%
Alliant BE-86	<<locked>>	91%	33895	90%	**4	100%
Alliant BULLSEYE 👍	<<locked>>	82%	33895	90%	**53	100%
Alliant Herco	<<locked>>	96%	25991	69%	**8	100%
Alliant POWER PISTOL	<<locked>>	94%	33562	89%	**15	92%
Alliant RED DOT	<<locked>>	87%	33185	88%	**8	100%
Alliant Sport Pistol	<<locked>>	76%	33866	90%	**53	100%
Alliant UNIQUE 👍	<<locked>>	92%	32706	87%	**50	100%
Baschieri & Pellagri 100	<<locked>>	85%	32271	86%	**2	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	25411	67%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	82%	33185	88%	**8	100%
Hodgdon Clays	<<locked>>	78%	32837	87%	**6	100%
Hodgdon HP38	<<locked>>	63%	32430	86%	**1	100%
Hodgdon HS-6	<<locked>>	76%	33098	88%	**56	96%
Hodgdon Longshot	<<locked>>	73%	33272	88%	**60	98%
Hodgdon Universal	<<locked>>	84%	33228	88%	**07	100%
Hodgdon CFE Pistol	<<locked>>	87%	33504	89%	**07	100%
Lovex D036	<<locked>>	70%	33243	88%	**70	94%
[Lovex D037.1]*	<<locked>>	91%	33794	90%	**12	82%
Lovex S011	<<locked>>	74%	33083	88%	**1	100%
Lovex S020	<<locked>>	84%	33286	88%	**17	100%
Maxam CSB 1	<<locked>>	97%	33837	90%	**7	100%
Maxam CSB 2	<<locked>>	94%	33707	89%	**14	100%
Maxam CSB 3	<<locked>>	90%	33750	90%	**8	100%
Maxam CSB 4	<<locked>>	86%	33895	90%	**1	100%
Maxam CSB 5	<<locked>>	80%	33489	89%	**5	100%
Ramshot Silhouette	<<locked>>	77%	33446	89%	**53	100%
Ramshot True Blue	<<locked>>	71%	32605	86%	**50	98%
Ramshot Zip	<<locked>>	64%	32416	86%	**8	100%
ReloadSwiss RS 12	<<locked>>	81%	33562	89%	**7	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	33388	89%	**63	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	33895	90%	**02	85%
Rottweil P 801	<<locked>>	74%	33518	89%	**1	100%
Rottweil P 806	<<locked>>	97%	25048	66%	**70	94%
SNPE Vectan A0 👍	<<locked>>	96%	33707	89%	**14	100%
SNPE Vectan BA 9	<<locked>>	86%	33489	89%	**4	100%
SNPE Vectan BA10	<<locked>>	76%	33431	89%	**3	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	30356	81%	**10	96%
SNPE Vectan BA9 1/2	<<locked>>	87%	33054	88%	**7	100%
SNPE Vectan SP 2	<<locked>>	91%	33837	90%	**38	95%
Shooters World Auto Pistol	<<locked>>	70%	33243	88%	**70	94%
[Shooters World Major Pistol]*	<<locked>>	91%	33794	90%	**12	82%
Somchem MP200	<<locked>>	85%	33156	88%	**43	100%
Somchem MS200	<<locked>>	89%	33112	88%	**20	100%
[Somchem S221]*	<<locked>>	80%	33431	89%	**79	89%
Vihtavuori 3N37	<<locked>>	95%	33344	88%	**73	98%
Vihtavuori N310	<<locked>>	67%	32706	87%	**9	100%
Vihtavuori N320	<<locked>>	83%	32924	87%	**8	100%
Vihtavuori N330	<<locked>>	88%	33460	89%	**20	100%
Vihtavuori N340 👍	<<locked>>	91%	33460	89%	**27	100%
Vihtavuori N350	<<locked>>	96%	31473	83%	**47	98%
Winchester 231	<<locked>>	72%	32416	86%	**8	100%
Winchester AutoComp	<<locked>>	93%	33866	90%	**14	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	81%	17245	46%	**7	81%
ADI AP 70N	<<locked>>	60%	21596	57%	**9	100%
ADI APS 350	<<locked>>	75%	30864	82%	**7	100%
ADI APS 450	<<locked>>	73%	27789	74%	**0	100%
ADI AS 30	<<locked>>	70%	24163	64%	**3	100%
ADI AS 50N	<<locked>>	64%	21915	58%	**0	100%
Accurate No. 2	<<locked>>	64%	19087	51%	**3	95%
Accurate No. 5	<<locked>>	62%	25309	67%	**1	91%
[Accurate No. 7]*	<<locked>>	88%	30356	81%	**73	80%
Accurate Solo 1000	<<locked>>	67%	22379	59%	**7	100%
Accurate Solo 1250	<<locked>>	69%	19218	51%	**7	100%
Alliant BE-86	<<locked>>	68%	19087	51%	**7	100%
Alliant BULLSEYE	<<locked>>	61%	19899	53%	**6	98%
Alliant Herco	<<locked>>	78%	17622	47%	**3	97%
[Alliant POWER PISTOL]*	<<locked>>	68%	17448	46%	**0	81%
Alliant RED DOT	<<locked>>	70%	23047	61%	**0	100%
Alliant Sport Pistol	<<locked>>	60%	22075	59%	**9	99%
Alliant UNIQUE	<<locked>>	64%	17085	45%	**0	96%
Baschieri & Pellagri 100	<<locked>>	69%	22075	59%	**0	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	85%	20044	53%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	62%	18927	50%	**0	100%
Hodgdon Clays	<<locked>>	73%	29733	79%	**0	100%
Hodgdon HP38	<<locked>>	61%	30414	81%	**8	100%
[Hodgdon HS-6]*	<<locked>>	60%	20320	54%	**9	89%
Hodgdon Longshot	<<locked>>	61%	22742	60%	**5	93%
Hodgdon Universal	<<locked>>	61%	18855	50%	**3	100%
Hodgdon CFE Pistol	<<locked>>	64%	18710	50%	**3	100%
Lovex D036	<<locked>>	62%	25266	67%	**1	91%
[Lovex D037.1]*	<<locked>>	88%	30356	81%	**73	80%
Lovex S011	<<locked>>	63%	24540	65%	**3	100%
Lovex S020	<<locked>>	63%	18405	49%	**0	99%
Maxam CSB 1	<<locked>>	72%	19522	52%	**7	100%
Maxam CSB 2	<<locked>>	68%	18072	48%	**0	100%
Maxam CSB 3	<<locked>>	68%	20407	54%	**7	100%
Maxam CSB 4	<<locked>>	68%	22031	58%	**3	100%
Maxam CSB 5	<<locked>>	66%	24221	64%	**3	100%
Ramshot Silhouette	<<locked>>	61%	21031	56%	**9	97%
Ramshot True Blue	<<locked>>	61%	23467	62%	**2	94%
Ramshot Zip	<<locked>>	60%	28877	77%	**2	100%
ReloadSwiss RS 12	<<locked>>	60%	19609	52%	**7	100%
ReloadSwiss RS 20	<<locked>>	68%	16447	44%	**0	98%
[ReloadSwiss RS 24]*	<<locked>>	86%	25382	67%	**8	80%
Rottweil P 801	<<locked>>	61%	23264	62%	**6	100%
[Rottweil P 806]*	<<locked>>	73%	13024	35%	**0	83%
SNPE Vectan A0	<<locked>>	71%	19160	51%	**3	97%
SNPE Vectan BA 9	<<locked>>	64%	19537	52%	**0	100%
SNPE Vectan BA10	<<locked>>	68%	27775	74%	**0	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	75%	17941	48%	**7	89%
SNPE Vectan BA9 1/2	<<locked>>	64%	19116	51%	**3	100%
[SNPE Vectan SP 2]*	<<locked>>	63%	15069	40%	**3	81%
Shooters World Auto Pistol	<<locked>>	62%	25266	67%	**1	91%
[Shooters World Major Pistol]*	<<locked>>	88%	30356	81%	**73	80%
Somchem MP200	<<locked>>	61%	17709	47%	**0	95%
Somchem MS200	<<locked>>	65%	18536	49%	**3	98%
[Somchem S221]*	<<locked>>	64%	20494	54%	**2	80%
[Vihtavuori 3N37]*	<<locked>>	69%	16839	45%	**3	89%
Vihtavuori N310	<<locked>>	62%	28413	75%	**3	100%
Vihtavuori N320	<<locked>>	65%	20929	56%	**0	100%
Vihtavuori N330	<<locked>>	63%	17593	47%	**7	100%
Vihtavuori N340	<<locked>>	67%	18188	48%	**0	97%
[Vihtavuori N350]*	<<locked>>	71%	16447	44%	**7	89%
Winchester 231	<<locked>>	62%	24729	66%	**2	100%
Winchester AutoComp	<<locked>>	68%	18420	49%	**3	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