Load data for .357 Maximum + .358 | 158gr | Rim Rock SWC Gas Check

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 158gr \| Rim Rock SWC Gas Check
Manufacturer SKU:	#410
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.728" \| 18.5mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.368" \| 9.3mm
Shank Seated Depth:	0.368" \| 9.3mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10543_C515
Last updated:	2026-01-20

Load data for 120 loads in caliber .357 Maximum with .358 | 158gr | Rim Rock SWC Gas Check bullet and 60 powder(s). 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>>	87%	40379	90%	**60	100%
ADI APS 350	<<locked>>	69%	38058	85%	**48	100%
ADI APS 450	<<locked>>	71%	39044	87%	**84	100%
ADI AS 30	<<locked>>	72%	39914	89%	**34	100%
ADI AS 50N	<<locked>>	68%	39813	89%	**73	100%
[Accurate 4100]*	<<locked>>	86%	38740	86%	**96	86%
Accurate No. 2	<<locked>>	68%	40190	89%	**52	100%
Accurate No. 7	<<locked>>	66%	38769	86%	**86	97%
Accurate No. 9	<<locked>>	74%	39320	87%	**03	93%
Accurate Solo 1000	<<locked>>	71%	40161	89%	**57	100%
Accurate Solo 1250	<<locked>>	73%	39305	87%	**99	100%
Accurate TCM	<<locked>>	74%	39378	88%	**90	94%
Alliant 2400	<<locked>>	84%	40045	89%	**29	90%
Alliant BLUE DOT	<<locked>>	86%	39392	88%	**99	96%
Alliant BULLSEYE	<<locked>>	63%	39102	87%	**65	100%
Alliant POWER PISTOL	<<locked>>	71%	40292	90%	**90	100%
Alliant UNIQUE	<<locked>>	72%	39189	87%	**65	100%
Baschieri & Pellagri 100	<<locked>>	70%	39827	89%	**60	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	87%	39407	88%	**57	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	66%	39595	88%	**73	100%
Hodgdon Clays	<<locked>>	69%	39030	87%	**71	100%
[Hodgdon H110]*	<<locked>>	93%	40190	89%	**49	84%
Hodgdon LilGun	<<locked>>	94%	39247	87%	**81	90%
Hodgdon Universal	<<locked>>	68%	40103	89%	**22	100%
Hodgdon CFE Pistol	<<locked>>	69%	39189	87%	**06	100%
Hodgdon TrailBoss	<<locked>>	94%	19769	44%	**8	100%
Lovex D037.1	<<locked>>	66%	38769	86%	**86	97%
Lovex D037.2	<<locked>>	74%	40306	90%	**16	93%
Lovex S020	<<locked>>	64%	38290	85%	**19	100%
Maxam CSB 1	<<locked>>	77%	40451	90%	**06	100%
Maxam CSB 2	<<locked>>	70%	38218	85%	**73	100%
Maxam CSB 3	<<locked>>	71%	38334	85%	**66	100%
Maxam CSB 4	<<locked>>	71%	40437	90%	**63	100%
Maxam CSB 5	<<locked>>	66%	38667	86%	**04	100%
Ramshot Enforcer	<<locked>>	84%	39305	87%	**19	91%
ReloadSwiss RS 12	<<locked>>	63%	40147	89%	**83	100%
ReloadSwiss RS 14	<<locked>>	96%	19145	43%	**4	100%
ReloadSwiss RS 20	<<locked>>	73%	40147	89%	**68	100%
ReloadSwiss RS 24	<<locked>>	73%	40059	89%	**03	99%
Rottweil P 806	<<locked>>	75%	38537	86%	**53	100%
SNPE Vectan A0	<<locked>>	74%	38435	85%	**25	100%
SNPE Vectan BA 9	<<locked>>	69%	39334	87%	**02	100%
SNPE Vectan BA10	<<locked>>	68%	40292	90%	**98	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	97%	24990	56%	**83	85%
SNPE Vectan BA7 1/2	<<locked>>	80%	40364	90%	**11	100%
SNPE Vectan BA9 1/2	<<locked>>	69%	39407	88%	**12	100%
SNPE Vectan SP 2	<<locked>>	65%	39291	87%	**73	100%
Shooters World Heavy Pistol	<<locked>>	74%	40306	90%	**16	93%
Shooters World Major Pistol	<<locked>>	66%	38769	86%	**86	97%
Somchem MP200	<<locked>>	67%	39479	88%	**75	100%
Somchem MS200	<<locked>>	72%	40306	90%	**55	100%
Vihtavuori 3N37	<<locked>>	72%	38769	86%	**11	100%
Vihtavuori 3N38	<<locked>>	83%	40335	90%	**96	99%
Vihtavuori N105	<<locked>>	87%	39711	88%	**03	100%
[Vihtavuori N110]*	<<locked>>	97%	31575	70%	**17	86%
Vihtavuori N320	<<locked>>	66%	38464	86%	**43	100%
Vihtavuori N32C Tin Star	<<locked>>	91%	38725	86%	**84	100%
Vihtavuori N330	<<locked>>	68%	39856	89%	**16	100%
Vihtavuori N340	<<locked>>	72%	40321	90%	**55	100%
Vihtavuori N350	<<locked>>	76%	40350	90%	**17	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	19551	43%	**02	95%
ADI APS 350	<<locked>>	61%	31473	70%	**70	100%
ADI APS 450	<<locked>>	61%	30676	68%	**89	100%
ADI AS 30	<<locked>>	61%	31111	69%	**22	100%
ADI AS 50N	<<locked>>	60%	33315	74%	**94	100%
[Accurate 4100]*	<<locked>>	78%	29196	65%	**52	81%
Accurate No. 2	<<locked>>	61%	32895	73%	**66	100%
Accurate No. 7	<<locked>>	61%	31792	71%	**85	94%
[Accurate No. 9]*	<<locked>>	61%	24236	54%	**40	84%
Accurate Solo 1000	<<locked>>	61%	31488	70%	**61	100%
Accurate Solo 1250	<<locked>>	61%	28631	64%	**71	100%
[Accurate TCM]*	<<locked>>	61%	24192	54%	**40	85%
[Alliant 2400]*	<<locked>>	70%	24947	55%	**76	81%
[Alliant BLUE DOT]*	<<locked>>	61%	18507	41%	**09	83%
Alliant BULLSEYE	<<locked>>	61%	36854	82%	**35	100%
Alliant POWER PISTOL	<<locked>>	61%	29167	65%	**32	99%
Alliant UNIQUE	<<locked>>	61%	29196	65%	**40	100%
Baschieri & Pellagri 100	<<locked>>	61%	31038	69%	**52	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	20537	46%	**07	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	34476	77%	**14	100%
Hodgdon Clays	<<locked>>	61%	32126	71%	**89	100%
[Hodgdon H110]*	<<locked>>	89%	34998	78%	**70	81%
[Hodgdon LilGun]*	<<locked>>	82%	25135	56%	**39	81%
Hodgdon Universal	<<locked>>	61%	33634	75%	**47	100%
Hodgdon CFE Pistol	<<locked>>	61%	31227	69%	**14	100%
Hodgdon TrailBoss	<<locked>>	90%	18347	41%	**8	100%
Lovex D037.1	<<locked>>	61%	31792	71%	**85	94%
[Lovex D037.2]*	<<locked>>	61%	24961	56%	**60	84%
Lovex S020	<<locked>>	61%	33866	75%	**70	100%
Maxam CSB 1	<<locked>>	61%	26426	59%	**32	100%
Maxam CSB 2	<<locked>>	61%	29936	67%	**75	100%
Maxam CSB 3	<<locked>>	61%	29921	67%	**58	100%
Maxam CSB 4	<<locked>>	61%	31604	70%	**65	100%
Maxam CSB 5	<<locked>>	61%	34156	76%	**55	100%
[Ramshot Enforcer]*	<<locked>>	69%	23018	51%	**40	80%
ReloadSwiss RS 12	<<locked>>	61%	37898	84%	**57	100%
ReloadSwiss RS 14	<<locked>>	88%	16578	37%	**5	100%
ReloadSwiss RS 20	<<locked>>	61%	27963	62%	**07	100%
ReloadSwiss RS 24	<<locked>>	61%	26672	59%	**86	94%
Rottweil P 806	<<locked>>	61%	23685	53%	**34	100%
SNPE Vectan A0	<<locked>>	61%	27151	60%	**78	100%
SNPE Vectan BA 9	<<locked>>	61%	31488	70%	**11	100%
SNPE Vectan BA10	<<locked>>	60%	33707	75%	**25	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	90%	20682	46%	**81	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	23728	53%	**65	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	31212	69%	**07	100%
SNPE Vectan SP 2	<<locked>>	61%	33417	74%	**98	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	24961	56%	**60	84%
Shooters World Major Pistol	<<locked>>	61%	31792	71%	**85	94%
Somchem MP200	<<locked>>	61%	33475	74%	**96	100%
Somchem MS200	<<locked>>	61%	30139	67%	**27	100%
Vihtavuori 3N37	<<locked>>	61%	27760	62%	**57	100%
Vihtavuori 3N38	<<locked>>	61%	20175	45%	**48	90%
Vihtavuori N105	<<locked>>	61%	16157	36%	**83	90%
[Vihtavuori N110]*	<<locked>>	89%	24526	55%	**86	81%
Vihtavuori N320	<<locked>>	61%	33823	75%	**91	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	19682	44%	**8	100%
Vihtavuori N330	<<locked>>	61%	33112	74%	**34	100%
Vihtavuori N340	<<locked>>	61%	29733	66%	**24	100%
Vihtavuori N350	<<locked>>	61%	25353	56%	**11	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