Load data for .357 Maximum + .355 | 121gr | Frontier Bullets CMJ FP atch

Recommended Powder(s): ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, SNPE Vectan SP 2, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 121gr \| Frontier Bullets CMJ FP atch
Manufacturer SKU:	100107
Bullet Weight:	121gr \| 7.8g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.539" \| 13.7mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.656" \| 42.1mm
Seated Depth:	0.483" \| 12.3mm
Shank Seated Depth:	0.483" \| 12.3mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10965_C515
Last updated:	2025-11-04

Load data for 122 loads in caliber .357 Maximum with .355 | 121gr | Frontier Bullets CMJ FP atch bullet and 61 powders such as ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, SNPE Vectan SP 2, 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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>>	95%	39900	89%	**37	99%
ADI AP 70N	<<locked>>	66%	40451	90%	**09	100%
ADI APS 350	<<locked>>	75%	39827	89%	**22	100%
ADI APS 450	<<locked>>	76%	39711	88%	**45	100%
ADI AS 30	<<locked>>	75%	39117	87%	**85	100%
ADI AS 50N	<<locked>>	72%	39900	89%	**44	100%
Accurate No. 2	<<locked>>	73%	39566	88%	**29	100%
Accurate No. 7	<<locked>>	73%	39610	88%	**70	92%
[Accurate No. 9]*	<<locked>>	81%	39682	88%	**57	86%
Accurate Solo 1000	<<locked>>	74%	38870	86%	**17	100%
Accurate Solo 1250	<<locked>>	79%	40219	89%	**86	100%
[Accurate TCM]*	<<locked>>	81%	38348	85%	**37	88%
[Alliant 2400]*	<<locked>>	92%	39320	87%	**73	83%
Alliant BLUE DOT	<<locked>>	94%	38595	86%	**50	91%
Alliant BULLSEYE	<<locked>>	68%	38189	85%	**42	100%
Alliant POWER PISTOL	<<locked>>	76%	38392	85%	**50	98%
Alliant Sport Pistol	<<locked>>	65%	40074	89%	**68	100%
Alliant UNIQUE	<<locked>>	78%	39798	89%	**68	100%
Baschieri & Pellagri 100	<<locked>>	74%	38638	86%	**11	100%
Hodgdon Clays	<<locked>>	72%	38043	85%	**12	100%
Hodgdon HS-6	<<locked>>	63%	38334	85%	**78	100%
Hodgdon Universal	<<locked>>	73%	40451	90%	**09	100%
Hodgdon CFE Pistol	<<locked>>	74%	39421	88%	**86	100%
Hodgdon TrailBoss	<<locked>>	97%	19189	43%	**73	100%
Lovex D037.1	<<locked>>	73%	39610	88%	**70	92%
[Lovex D037.2]*	<<locked>>	80%	38899	87%	**47	86%
Lovex S011	<<locked>>	65%	39987	89%	**60	100%
Lovex S020	<<locked>>	70%	39117	87%	**16	100%
Maxam CSB 1	<<locked>>	81%	39131	87%	**76	100%
Maxam CSB 2	<<locked>>	77%	39175	87%	**63	100%
Maxam CSB 3	<<locked>>	77%	39320	87%	**50	100%
Maxam CSB 4	<<locked>>	74%	39001	87%	**21	100%
Maxam CSB 5	<<locked>>	70%	38667	86%	**65	100%
[Ramshot Enforcer]*	<<locked>>	93%	39784	88%	**99	85%
Ramshot Silhouette	<<locked>>	64%	39276	87%	**58	100%
ReloadSwiss RS 12	<<locked>>	66%	39030	87%	**47	100%
ReloadSwiss RS 14	<<locked>>	93%	16955	38%	**53	100%
ReloadSwiss RS 20	<<locked>>	80%	40350	90%	**68	100%
ReloadSwiss RS 24	<<locked>>	80%	39595	88%	**70	95%
Rottweil P 801	<<locked>>	63%	39987	89%	**21	100%
Rottweil P 806 👍	<<locked>>	82%	39494	88%	**73	100%
SNPE Vectan A0	<<locked>>	82%	40263	90%	**32	100%
SNPE Vectan BA 9	<<locked>>	74%	39059	87%	**83	100%
SNPE Vectan BA10	<<locked>>	69%	38537	86%	**39	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	87%	40466	90%	**98	100%
SNPE Vectan BA9 1/2	<<locked>>	76%	40277	90%	**03	100%
SNPE Vectan SP 2 👍	<<locked>>	72%	39436	88%	**77	99%
[Shooters World Heavy Pistol]*	<<locked>>	80%	38899	87%	**47	86%
Shooters World Major Pistol	<<locked>>	73%	39610	88%	**70	92%
Somchem MP200	<<locked>>	72%	39276	87%	**49	100%
Somchem MS200	<<locked>>	77%	40089	89%	**35	100%
Somchem S221	<<locked>>	67%	39871	89%	**54	97%
Vihtavuori 3N37	<<locked>>	78%	38348	85%	**88	100%
Vihtavuori 3N38	<<locked>>	90%	38856	86%	**40	95%
Vihtavuori N105	<<locked>>	96%	39450	88%	**03	98%
Vihtavuori N320	<<locked>>	72%	39378	88%	**24	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	37608	84%	**22	100%
Vihtavuori N330	<<locked>>	73%	39175	87%	**90	100%
Vihtavuori N340	<<locked>>	77%	40190	89%	**39	100%
Vihtavuori N350 👍	<<locked>>	82%	39639	88%	**04	100%
Winchester 231	<<locked>>	63%	39639	88%	**76	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	17158	38%	**65	87%
ADI AP 70N	<<locked>>	61%	35650	79%	**40	100%
ADI APS 350	<<locked>>	62%	30182	67%	**88	100%
ADI APS 450	<<locked>>	61%	28442	63%	**98	100%
ADI AS 30	<<locked>>	60%	27717	62%	**20	100%
ADI AS 50N	<<locked>>	61%	30835	69%	**16	100%
Accurate No. 2	<<locked>>	61%	28036	62%	**55	100%
[Accurate No. 7]*	<<locked>>	61%	26368	59%	**34	85%
[Accurate No. 9]*	<<locked>>	71%	28181	63%	**67	80%
Accurate Solo 1000	<<locked>>	60%	27760	62%	**57	100%
Accurate Solo 1250	<<locked>>	61%	25048	56%	**70	100%
[Accurate TCM]*	<<locked>>	69%	26020	58%	**14	80%
[Alliant 2400]*	<<locked>>	87%	34084	76%	**91	81%
[Alliant BLUE DOT]*	<<locked>>	73%	22336	50%	**32	81%
Alliant BULLSEYE	<<locked>>	61%	31560	70%	**40	100%
Alliant POWER PISTOL	<<locked>>	61%	24555	55%	**91	93%
Alliant Sport Pistol	<<locked>>	61%	35520	79%	**12	100%
Alliant UNIQUE	<<locked>>	62%	25933	58%	**42	100%
Baschieri & Pellagri 100	<<locked>>	61%	27688	62%	**60	100%
Hodgdon Clays	<<locked>>	62%	30705	68%	**11	100%
Hodgdon HS-6	<<locked>>	61%	36332	81%	**49	100%
Hodgdon Universal	<<locked>>	61%	29530	66%	**52	100%
Hodgdon CFE Pistol	<<locked>>	61%	27514	61%	**19	100%
Hodgdon TrailBoss	<<locked>>	60%	10066	22%	**3	100%
[Lovex D037.1]*	<<locked>>	61%	26368	59%	**34	85%
[Lovex D037.2]*	<<locked>>	71%	28601	64%	**76	81%
Lovex S011	<<locked>>	61%	34998	78%	**01	100%
Lovex S020	<<locked>>	61%	30240	67%	**88	100%
Maxam CSB 1	<<locked>>	60%	23264	52%	**27	100%
Maxam CSB 2	<<locked>>	61%	26469	59%	**86	100%
Maxam CSB 3	<<locked>>	61%	26281	58%	**66	100%
Maxam CSB 4	<<locked>>	61%	27934	62%	**66	100%
Maxam CSB 5	<<locked>>	62%	31633	70%	**76	100%
[Ramshot Enforcer]*	<<locked>>	85%	31401	70%	**58	80%
Ramshot Silhouette	<<locked>>	61%	34882	78%	**96	100%
ReloadSwiss RS 12	<<locked>>	62%	34432	77%	**85	100%
ReloadSwiss RS 14	<<locked>>	61%	9906	22%	**7	100%
ReloadSwiss RS 20	<<locked>>	61%	24207	54%	**19	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	22234	49%	**22	84%
Rottweil P 801	<<locked>>	61%	37275	83%	**91	100%
Rottweil P 806	<<locked>>	61%	19812	44%	**02	95%
SNPE Vectan A0	<<locked>>	61%	23192	52%	**57	100%
SNPE Vectan BA 9	<<locked>>	61%	27354	61%	**16	100%
SNPE Vectan BA10	<<locked>>	61%	31531	70%	**47	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	20856	46%	**40	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	27992	62%	**29	100%
SNPE Vectan SP 2	<<locked>>	61%	28108	63%	**73	96%
[Shooters World Heavy Pistol]*	<<locked>>	71%	28601	64%	**76	81%
[Shooters World Major Pistol]*	<<locked>>	61%	26368	59%	**34	85%
Somchem MP200	<<locked>>	61%	29312	65%	**01	100%
Somchem MS200	<<locked>>	61%	26194	58%	**22	100%
Somchem S221	<<locked>>	61%	32735	73%	**19	95%
Vihtavuori 3N37	<<locked>>	61%	24105	54%	**35	98%
[Vihtavuori 3N38]*	<<locked>>	61%	17303	38%	**88	81%
[Vihtavuori N105]*	<<locked>>	63%	14518	32%	**42	80%
Vihtavuori N320	<<locked>>	61%	29907	67%	**99	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	18420	41%	**30	100%
Vihtavuori N330	<<locked>>	61%	28210	63%	**35	100%
Vihtavuori N340	<<locked>>	61%	25469	57%	**12	100%
Vihtavuori N350	<<locked>>	61%	21814	49%	**86	98%
Winchester 231	<<locked>>	61%	37362	83%	**44	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