Load data for .357 Maximum + .356 | 100gr | Berry's Flat Base Round Nose

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 100gr \| Berry's Flat Base Round Nose
Manufacturer SKU:	bp-380-356-100gr-fbrn
Bullet Weight:	100gr \| 6.5g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.425" \| 10.8mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.741" \| 44.2mm
Seated Depth:	0.284" \| 7.2mm
Shank Seated Depth:	0.284" \| 7.2mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10778_C515
Last updated:	2025-02-02

Load data for 110 loads in caliber .357 Maximum with .356 | 100gr | Berry's Flat Base Round Nose bullet and 55 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.

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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>>	94%	39421	88%	**24	98%
ADI AP 70N	<<locked>>	67%	40379	90%	**32	100%
ADI AS 30	<<locked>>	76%	38711	86%	**91	100%
ADI AS 50N	<<locked>>	72%	38566	86%	**37	100%
Accurate No. 2	<<locked>>	72%	38827	86%	**29	100%
Accurate No. 7	<<locked>>	74%	40321	90%	**93	91%
[Accurate No. 9]*	<<locked>>	82%	40350	90%	**64	85%
Accurate Solo 1000	<<locked>>	76%	40190	89%	**47	100%
Accurate Solo 1250	<<locked>>	78%	38406	85%	**77	100%
[Accurate TCM]*	<<locked>>	82%	40074	89%	**60	86%
Alliant BLUE DOT	<<locked>>	96%	39972	89%	**70	90%
Alliant BULLSEYE	<<locked>>	71%	40132	89%	**91	100%
Alliant POWER PISTOL	<<locked>>	77%	38754	86%	**67	97%
Alliant UNIQUE	<<locked>>	78%	38870	86%	**68	100%
Baschieri & Pellagri 100	<<locked>>	76%	39711	88%	**37	100%
Hodgdon Clays	<<locked>>	74%	39711	88%	**29	100%
Hodgdon HS-6	<<locked>>	65%	39624	88%	**18	100%
Hodgdon Universal	<<locked>>	73%	39233	87%	**16	100%
Hodgdon TrailBoss	<<locked>>	96%	17303	38%	**94	100%
Lovex D037.1	<<locked>>	74%	40321	90%	**93	91%
[Lovex D037.2]*	<<locked>>	81%	39450	88%	**57	85%
Lovex S011	<<locked>>	64%	38377	85%	**54	100%
Lovex S020	<<locked>>	72%	39914	89%	**32	100%
Maxam CSB 1	<<locked>>	82%	39015	87%	**83	100%
Maxam CSB 2	<<locked>>	78%	39146	87%	**73	100%
Maxam CSB 3	<<locked>>	79%	40321	90%	**73	100%
Maxam CSB 4	<<locked>>	75%	38899	87%	**40	100%
Maxam CSB 5	<<locked>>	72%	39914	89%	**88	100%
[Ramshot Enforcer]*	<<locked>>	92%	38957	87%	**83	83%
Ramshot Silhouette	<<locked>>	65%	39943	89%	**78	100%
ReloadSwiss RS 12	<<locked>>	69%	40364	90%	**83	100%
ReloadSwiss RS 14	<<locked>>	94%	15548	35%	**84	100%
ReloadSwiss RS 20	<<locked>>	80%	39798	89%	**75	100%
ReloadSwiss RS 24	<<locked>>	80%	39131	87%	**70	93%
Rottweil P 801	<<locked>>	65%	40118	89%	**37	100%
Rottweil P 806	<<locked>>	83%	39610	88%	**83	100%
SNPE Vectan A0	<<locked>>	83%	40132	89%	**52	100%
SNPE Vectan BA 9	<<locked>>	76%	40379	90%	**03	100%
SNPE Vectan BA10	<<locked>>	70%	38595	86%	**32	100%
SNPE Vectan BA7 1/2	<<locked>>	87%	39943	89%	**98	100%
SNPE Vectan BA9 1/2	<<locked>>	76%	40132	89%	**22	100%
[Shooters World Heavy Pistol]*	<<locked>>	81%	39450	88%	**57	85%
Shooters World Major Pistol	<<locked>>	74%	40321	90%	**93	91%
Somchem MP200	<<locked>>	73%	39552	88%	**85	100%
Somchem MS200	<<locked>>	78%	40248	90%	**49	100%
Somchem S221	<<locked>>	67%	39378	88%	**44	96%
Vihtavuori 3N37 👍	<<locked>>	79%	39001	87%	**01	100%
Vihtavuori 3N38	<<locked>>	91%	39711	88%	**67	94%
Vihtavuori N105	<<locked>>	96%	38493	86%	**83	97%
Vihtavuori N320	<<locked>>	72%	38899	87%	**44	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	37449	83%	**26	100%
Vihtavuori N330	<<locked>>	75%	40422	90%	**19	100%
Vihtavuori N340	<<locked>>	78%	40118	89%	**65	100%
Vihtavuori N350 👍	<<locked>>	83%	40451	90%	**24	100%
Winchester 231	<<locked>>	63%	38740	86%	**80	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	16201	36%	**83	83%
ADI AP 70N	<<locked>>	61%	34563	77%	**37	100%
ADI AS 30	<<locked>>	61%	27369	61%	**07	100%
ADI AS 50N	<<locked>>	61%	29196	65%	**86	100%
Accurate No. 2	<<locked>>	61%	27108	60%	**35	100%
[Accurate No. 7]*	<<locked>>	61%	24831	55%	**68	81%
[Accurate No. 9]*	<<locked>>	76%	32735	73%	**36	81%
Accurate Solo 1000	<<locked>>	60%	27035	60%	**37	100%
Accurate Solo 1250	<<locked>>	61%	24120	54%	**37	100%
[Accurate TCM]*	<<locked>>	73%	29805	66%	**70	80%
[Alliant BLUE DOT]*	<<locked>>	78%	24976	56%	**68	80%
Alliant BULLSEYE	<<locked>>	61%	30705	68%	**31	100%
Alliant POWER PISTOL	<<locked>>	61%	23830	53%	**49	90%
Alliant UNIQUE	<<locked>>	61%	24120	54%	**93	100%
Baschieri & Pellagri 100	<<locked>>	61%	26687	59%	**34	100%
Hodgdon Clays	<<locked>>	61%	29370	65%	**81	100%
Hodgdon HS-6	<<locked>>	61%	34635	77%	**39	99%
Hodgdon Universal	<<locked>>	61%	28413	63%	**32	100%
Hodgdon TrailBoss	<<locked>>	62%	8876	20%	**5	100%
[Lovex D037.1]*	<<locked>>	61%	24831	55%	**68	81%
[Lovex D037.2]*	<<locked>>	75%	31952	71%	**26	81%
Lovex S011	<<locked>>	61%	34432	77%	**01	100%
Lovex S020	<<locked>>	61%	28442	63%	**49	100%
Maxam CSB 1	<<locked>>	61%	22466	50%	**98	100%
Maxam CSB 2	<<locked>>	61%	24990	56%	**44	100%
Maxam CSB 3	<<locked>>	61%	25788	57%	**44	100%
Maxam CSB 4	<<locked>>	62%	27644	61%	**53	100%
Maxam CSB 5	<<locked>>	61%	29718	66%	**40	100%
[Ramshot Enforcer]*	<<locked>>	90%	35752	80%	**24	81%
Ramshot Silhouette	<<locked>>	61%	34563	77%	**96	100%
ReloadSwiss RS 12	<<locked>>	61%	32721	73%	**65	100%
ReloadSwiss RS 14	<<locked>>	61%	8108	18%	**9	98%
ReloadSwiss RS 20	<<locked>>	61%	23047	51%	**83	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	21466	48%	**67	81%
Rottweil P 801	<<locked>>	61%	36448	81%	**94	100%
Rottweil P 806	<<locked>>	61%	17840	40%	**88	90%
SNPE Vectan A0	<<locked>>	61%	22626	50%	**30	100%
SNPE Vectan BA 9	<<locked>>	61%	27108	60%	**90	100%
SNPE Vectan BA10	<<locked>>	61%	31053	69%	**27	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	19464	43%	**71	93%
SNPE Vectan BA9 1/2	<<locked>>	61%	26310	59%	**86	100%
[Shooters World Heavy Pistol]*	<<locked>>	75%	31952	71%	**26	81%
[Shooters World Major Pistol]*	<<locked>>	61%	24831	55%	**68	81%
Somchem MP200	<<locked>>	61%	27891	62%	**65	100%
Somchem MS200	<<locked>>	61%	25179	56%	**90	100%
Somchem S221	<<locked>>	61%	31662	70%	**03	93%
Vihtavuori 3N37	<<locked>>	61%	22307	50%	**63	96%
[Vihtavuori 3N38]*	<<locked>>	67%	19653	44%	**21	81%
[Vihtavuori N105]*	<<locked>>	70%	16708	37%	**75	80%
Vihtavuori N320	<<locked>>	61%	28964	64%	**83	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16926	38%	**65	100%
Vihtavuori N330	<<locked>>	61%	27093	60%	**06	100%
Vihtavuori N340	<<locked>>	61%	24366	54%	**83	100%
Vihtavuori N350	<<locked>>	61%	20465	46%	**27	95%
Winchester 231	<<locked>>	61%	36927	82%	**40	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