Load data for .357 Magnum + .355 | 125gr | Prvi Partizan FPJ

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 125gr \| Prvi Partizan FPJ
Manufacturer SKU:	B-446
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.525" \| 13.3mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.249" \| 6.3mm
Shank Seated Depth:	0.249" \| 6.3mm
Case Capacity:	25.6 Grains of Water \| 1.66 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B9183_C513
Last updated:	2025-01-01

Load data for 118 loads in caliber .357 Magnum with .355 | 125gr | Prvi Partizan FPJ bullet and 59 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>>	96%	37666	87%	**49	98%
ADI AP 70N	<<locked>>	66%	36434	84%	**21	100%
ADI APS 350	<<locked>>	76%	39030	90%	**66	100%
ADI APS 450	<<locked>>	74%	36709	84%	**76	100%
ADI AS 30	<<locked>>	77%	37797	87%	**25	100%
ADI AS 50N	<<locked>>	73%	37579	86%	**71	100%
Accurate No. 2	<<locked>>	74%	38261	88%	**73	100%
Accurate No. 7	<<locked>>	75%	37536	86%	**08	91%
[Accurate No. 9]*	<<locked>>	84%	37579	86%	**85	85%
Accurate Solo 1000	<<locked>>	76%	38130	88%	**65	100%
Accurate Solo 1250	<<locked>>	81%	38421	88%	**27	100%
[Accurate TCM]*	<<locked>>	84%	38885	89%	**04	87%
[Alliant 2400]*	<<locked>>	96%	38348	88%	**24	83%
[Alliant BLUE DOT]*	<<locked>>	95%	35882	82%	**68	89%
Alliant BULLSEYE	<<locked>>	72%	38740	89%	**12	100%
Alliant POWER PISTOL	<<locked>>	81%	38754	89%	**24	98%
Alliant UNIQUE	<<locked>>	80%	37913	87%	**03	100%
Baschieri & Pellagri 100	<<locked>>	75%	36463	84%	**45	100%
Hodgdon Clays	<<locked>>	72%	36869	85%	**50	100%
Hodgdon HS-6	<<locked>>	66%	38711	89%	**42	100%
Hodgdon Longshot	<<locked>>	63%	37884	87%	**29	100%
Hodgdon Universal	<<locked>>	74%	37826	87%	**34	100%
Hodgdon TrailBoss	<<locked>>	92%	15273	35%	**1	100%
Lovex D037.1	<<locked>>	75%	37536	86%	**08	91%
[Lovex D037.2]*	<<locked>>	84%	39044	90%	**08	86%
Lovex S011	<<locked>>	66%	38319	88%	**94	100%
Lovex S020	<<locked>>	73%	38522	89%	**67	100%
Maxam CSB 1	<<locked>>	85%	38551	89%	**24	100%
Maxam CSB 2	<<locked>>	81%	39073	90%	**37	100%
Maxam CSB 3	<<locked>>	79%	38406	88%	**01	100%
Maxam CSB 4	<<locked>>	76%	38247	88%	**78	100%
Maxam CSB 5	<<locked>>	73%	38725	89%	**29	100%
[Ramshot Enforcer]*	<<locked>>	96%	38667	89%	**27	84%
Ramshot Silhouette	<<locked>>	67%	38072	88%	**06	100%
ReloadSwiss RS 12	<<locked>>	68%	37289	86%	**94	100%
ReloadSwiss RS 14	<<locked>>	96%	14982	34%	**7	100%
ReloadSwiss RS 20	<<locked>>	81%	37492	86%	**90	100%
ReloadSwiss RS 24	<<locked>>	82%	37579	86%	**91	94%
Rottweil P 801	<<locked>>	64%	36869	85%	**58	100%
Rottweil P 806	<<locked>>	87%	39088	90%	**27	100%
SNPE Vectan A0	<<locked>>	82%	36927	85%	**44	100%
SNPE Vectan BA 9	<<locked>>	76%	38159	88%	**27	100%
SNPE Vectan BA10	<<locked>>	71%	38116	88%	**86	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	39059	90%	**39	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38711	89%	**37	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	39044	90%	**08	86%
Shooters World Major Pistol	<<locked>>	75%	37536	86%	**08	91%
Somchem MP200	<<locked>>	75%	38972	90%	**06	100%
Somchem MS200	<<locked>>	79%	38508	88%	**73	100%
Somchem S221	<<locked>>	70%	38682	89%	**91	97%
Vihtavuori 3N37 👍	<<locked>>	82%	38537	89%	**49	100%
Vihtavuori 3N38	<<locked>>	93%	38101	88%	**88	95%
Vihtavuori N105	<<locked>>	96%	33141	76%	**65	96%
Vihtavuori N320	<<locked>>	72%	36506	84%	**58	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	34650	80%	**60	100%
Vihtavuori N330	<<locked>>	74%	36985	85%	**30	100%
Vihtavuori N340	<<locked>>	79%	38276	88%	**73	100%
Vihtavuori N350 👍	<<locked>>	84%	37869	87%	**32	100%
Winchester 231	<<locked>>	63%	36622	84%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14910	34%	**76	84%
ADI AP 70N	<<locked>>	61%	31720	73%	**52	100%
ADI APS 350	<<locked>>	61%	28210	65%	**29	100%
ADI APS 450	<<locked>>	61%	26861	62%	**42	100%
ADI AS 30	<<locked>>	60%	25338	58%	**58	100%
ADI AS 50N	<<locked>>	61%	27630	63%	**34	100%
Accurate No. 2	<<locked>>	61%	25512	59%	**83	100%
[Accurate No. 7]*	<<locked>>	61%	22017	51%	**06	81%
[Accurate No. 9]*	<<locked>>	77%	30066	69%	**67	81%
Accurate Solo 1000	<<locked>>	61%	25875	59%	**98	100%
Accurate Solo 1250	<<locked>>	61%	22176	51%	**94	100%
[Accurate TCM]*	<<locked>>	74%	27427	63%	**07	81%
[Alliant 2400]*	<<locked>>	92%	34272	79%	**58	80%
[Alliant BLUE DOT]*	<<locked>>	78%	22611	52%	**12	81%
Alliant BULLSEYE	<<locked>>	61%	28993	67%	**62	100%
Alliant POWER PISTOL	<<locked>>	61%	21582	50%	**93	90%
Alliant UNIQUE	<<locked>>	62%	23003	53%	**60	100%
Baschieri & Pellagri 100	<<locked>>	61%	24729	57%	**91	100%
Hodgdon Clays	<<locked>>	61%	28848	66%	**48	100%
Hodgdon HS-6	<<locked>>	61%	32358	74%	**53	99%
Hodgdon Longshot	<<locked>>	61%	35563	82%	**96	100%
Hodgdon Universal	<<locked>>	60%	26252	60%	**73	100%
Hodgdon TrailBoss	<<locked>>	62%	8282	19%	**1	100%
[Lovex D037.1]*	<<locked>>	61%	22017	51%	**06	81%
[Lovex D037.2]*	<<locked>>	76%	29298	67%	**50	80%
Lovex S011	<<locked>>	61%	33011	76%	**35	100%
Lovex S020	<<locked>>	61%	26295	60%	**99	100%
Maxam CSB 1	<<locked>>	61%	21147	49%	**65	100%
Maxam CSB 2	<<locked>>	61%	22843	53%	**01	100%
Maxam CSB 3	<<locked>>	61%	24395	56%	**98	100%
Maxam CSB 4	<<locked>>	61%	25875	59%	**07	100%
Maxam CSB 5	<<locked>>	60%	28181	65%	**91	100%
[Ramshot Enforcer]*	<<locked>>	91%	32401	74%	**39	80%
Ramshot Silhouette	<<locked>>	61%	31386	72%	**11	100%
ReloadSwiss RS 12	<<locked>>	61%	29849	69%	**96	100%
ReloadSwiss RS 14	<<locked>>	60%	7585	17%	**8	99%
ReloadSwiss RS 20	<<locked>>	61%	20552	47%	**17	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19218	44%	**27	81%
Rottweil P 801	<<locked>>	62%	34345	79%	**25	100%
Rottweil P 806	<<locked>>	61%	15896	37%	**78	91%
SNPE Vectan A0	<<locked>>	61%	20827	48%	**81	100%
SNPE Vectan BA 9	<<locked>>	61%	25382	58%	**50	100%
SNPE Vectan BA10	<<locked>>	62%	30429	70%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18043	41%	**48	94%
SNPE Vectan BA9 1/2	<<locked>>	61%	25222	58%	**47	100%
[Shooters World Heavy Pistol]*	<<locked>>	76%	29298	67%	**50	80%
[Shooters World Major Pistol]*	<<locked>>	61%	22017	51%	**06	81%
Somchem MP200	<<locked>>	61%	25962	60%	**12	100%
Somchem MS200	<<locked>>	61%	23395	54%	**47	100%
Somchem S221	<<locked>>	61%	28892	66%	**21	93%
Vihtavuori 3N37	<<locked>>	62%	20987	48%	**50	97%
[Vihtavuori 3N38]*	<<locked>>	68%	17912	41%	**88	81%
[Vihtavuori N105]*	<<locked>>	70%	14605	34%	**38	80%
Vihtavuori N320	<<locked>>	60%	26426	61%	**24	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	15780	36%	**5	100%
Vihtavuori N330	<<locked>>	61%	25048	58%	**60	100%
Vihtavuori N340	<<locked>>	61%	22800	52%	**40	100%
Vihtavuori N350	<<locked>>	60%	18608	43%	**84	96%
Winchester 231	<<locked>>	61%	34360	79%	**65	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