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

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 158gr \| Rim Rock SWC?HP Gas Check
Manufacturer SKU:	#409
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	<<locked>>
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10542_C515
Last updated:	2026-03-23

Load data for 126 loads in caliber .357 Maximum with .358 | 158gr | Rim Rock SWC?HP Gas Check bullet and 63 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>>	84%	38957	87%	**47	100%
ADI APS 350	<<locked>>	70%	39291	87%	**68	100%
ADI APS 450	<<locked>>	72%	39914	89%	**01	100%
ADI AS 30	<<locked>>	71%	40074	89%	**34	100%
ADI AS 50N	<<locked>>	66%	38856	86%	**57	100%
[Accurate 4100]*	<<locked>>	86%	39639	88%	**12	87%
Accurate No. 2	<<locked>>	67%	39958	89%	**55	100%
Accurate No. 7	<<locked>>	66%	40321	90%	**19	98%
Accurate No. 9	<<locked>>	73%	39030	87%	**93	93%
Accurate Solo 1000	<<locked>>	70%	40118	89%	**66	100%
Accurate Solo 1250	<<locked>>	72%	39247	87%	**06	100%
Accurate TCM	<<locked>>	73%	38914	87%	**96	94%
Alliant 2400	<<locked>>	82%	38928	87%	**26	90%
Alliant BE-86	<<locked>>	71%	39682	88%	**93	100%
Alliant BLUE DOT	<<locked>>	86%	40045	89%	**06	97%
Alliant BULLSEYE	<<locked>>	63%	39073	87%	**62	100%
Alliant Herco	<<locked>>	84%	39813	89%	**68	100%
Alliant POWER PISTOL	<<locked>>	69%	39073	87%	**76	100%
Alliant RED DOT	<<locked>>	71%	39030	87%	**37	100%
Alliant UNIQUE	<<locked>>	72%	40321	90%	**88	100%
Baschieri & Pellagri 100	<<locked>>	69%	39697	88%	**57	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	86%	39218	87%	**60	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	65%	40147	89%	**73	100%
Hodgdon Clays	<<locked>>	70%	40045	89%	**88	100%
[Hodgdon H110]*	<<locked>>	91%	39450	88%	**35	83%
Hodgdon LilGun	<<locked>>	92%	38696	86%	**68	90%
Hodgdon Universal	<<locked>>	66%	39160	87%	**12	100%
Hodgdon CFE Pistol	<<locked>>	69%	40176	89%	**22	100%
Hodgdon TrailBoss	<<locked>>	93%	20276	45%	**5	100%
Lovex D037.1	<<locked>>	66%	40321	90%	**19	98%
Lovex D037.2	<<locked>>	72%	39769	88%	**03	93%
Lovex S020	<<locked>>	65%	39479	88%	**39	100%
Maxam CSB 1	<<locked>>	75%	39204	87%	**99	100%
Maxam CSB 2	<<locked>>	69%	38508	86%	**80	100%
Maxam CSB 3	<<locked>>	70%	38464	86%	**66	100%
Maxam CSB 4	<<locked>>	70%	40408	90%	**73	100%
Maxam CSB 5	<<locked>>	65%	38856	86%	**07	100%
Ramshot Enforcer	<<locked>>	83%	40379	90%	**39	92%
ReloadSwiss RS 14	<<locked>>	96%	19856	44%	**1	100%
ReloadSwiss RS 20	<<locked>>	71%	38957	87%	**48	100%
ReloadSwiss RS 24 👍	<<locked>>	72%	39827	89%	**99	99%
Rottweil P 806	<<locked>>	73%	38595	86%	**60	100%
SNPE Vectan A0	<<locked>>	73%	38479	86%	**32	100%
SNPE Vectan BA 9	<<locked>>	69%	40263	90%	**19	100%
SNPE Vectan BA10	<<locked>>	66%	38928	87%	**88	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	95%	25628	57%	**89	86%
SNPE Vectan BA7 1/2	<<locked>>	78%	39102	87%	**98	100%
SNPE Vectan BA9 1/2	<<locked>>	67%	38261	85%	**02	100%
SNPE Vectan SP 2	<<locked>>	64%	39334	87%	**76	100%
Shooters World Heavy Pistol	<<locked>>	72%	39769	88%	**03	93%
Shooters World Major Pistol	<<locked>>	66%	40321	90%	**19	98%
Somchem MP200	<<locked>>	66%	40437	90%	**81	100%
Somchem MS200	<<locked>>	71%	40292	90%	**62	100%
Vihtavuori 3N37	<<locked>>	71%	39682	88%	**14	100%
Vihtavuori 3N38	<<locked>>	81%	39030	87%	**76	99%
Vihtavuori N105	<<locked>>	85%	38667	86%	**99	100%
[Vihtavuori N110]*	<<locked>>	96%	32169	72%	**34	87%
Vihtavuori N320	<<locked>>	65%	38450	86%	**53	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	38682	86%	**81	100%
Vihtavuori N330	<<locked>>	67%	39871	89%	**12	100%
Vihtavuori N340	<<locked>>	71%	40350	90%	**62	100%
Vihtavuori N350	<<locked>>	74%	39189	87%	**04	100%
Winchester AutoComp	<<locked>>	72%	39363	88%	**19	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20581	46%	**29	96%
ADI APS 350	<<locked>>	62%	32663	73%	**93	100%
ADI APS 450	<<locked>>	62%	31749	71%	**06	100%
ADI AS 30	<<locked>>	61%	31430	70%	**29	100%
ADI AS 50N	<<locked>>	61%	34577	77%	**07	100%
[Accurate 4100]*	<<locked>>	75%	27833	62%	**29	80%
Accurate No. 2	<<locked>>	61%	32982	73%	**76	100%
Accurate No. 7	<<locked>>	61%	33504	75%	**11	95%
[Accurate No. 9]*	<<locked>>	61%	25614	57%	**70	85%
Accurate Solo 1000	<<locked>>	60%	31647	70%	**65	100%
Accurate Solo 1250	<<locked>>	61%	28979	64%	**75	100%
[Accurate TCM]*	<<locked>>	61%	25759	57%	**80	87%
[Alliant 2400]*	<<locked>>	68%	24758	55%	**63	81%
Alliant BE-86	<<locked>>	61%	30327	67%	**78	100%
[Alliant BLUE DOT]*	<<locked>>	61%	19421	43%	**29	84%
Alliant BULLSEYE	<<locked>>	61%	36941	82%	**45	100%
Alliant Herco	<<locked>>	61%	22017	49%	**15	100%
Alliant POWER PISTOL	<<locked>>	61%	30110	67%	**45	99%
Alliant RED DOT	<<locked>>	61%	30342	67%	**29	100%
Alliant UNIQUE	<<locked>>	61%	30443	68%	**60	100%
Baschieri & Pellagri 100	<<locked>>	61%	31314	70%	**61	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	60%	20958	47%	**20	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	35099	78%	**24	100%
Hodgdon Clays	<<locked>>	62%	33330	74%	**06	100%
[Hodgdon H110]*	<<locked>>	87%	34911	78%	**70	81%
[Hodgdon LilGun]*	<<locked>>	81%	25295	56%	**42	81%
Hodgdon Universal	<<locked>>	62%	35085	78%	**63	100%
Hodgdon CFE Pistol	<<locked>>	61%	32576	72%	**30	100%
Hodgdon TrailBoss	<<locked>>	74%	14040	31%	**3	100%
Lovex D037.1	<<locked>>	61%	33504	75%	**11	95%
[Lovex D037.2]*	<<locked>>	61%	26223	58%	**86	86%
Lovex S020	<<locked>>	61%	35128	78%	**86	100%
Maxam CSB 1	<<locked>>	61%	27688	62%	**52	100%
Maxam CSB 2	<<locked>>	61%	30501	68%	**88	100%
Maxam CSB 3	<<locked>>	60%	30269	67%	**68	100%
Maxam CSB 4	<<locked>>	60%	31966	71%	**68	100%
Maxam CSB 5	<<locked>>	60%	34316	76%	**58	100%
[Ramshot Enforcer]*	<<locked>>	66%	22191	49%	**27	80%
ReloadSwiss RS 14	<<locked>>	72%	12865	29%	**0	100%
ReloadSwiss RS 20	<<locked>>	61%	29182	65%	**27	100%
ReloadSwiss RS 24	<<locked>>	61%	28311	63%	**12	95%
Rottweil P 806	<<locked>>	61%	25469	57%	**63	100%
SNPE Vectan A0	<<locked>>	61%	27412	61%	**81	100%
SNPE Vectan BA 9	<<locked>>	61%	32430	72%	**24	100%
SNPE Vectan BA10	<<locked>>	61%	34766	77%	**42	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	87%	20465	46%	**78	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	24584	55%	**81	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	32416	72%	**24	100%
SNPE Vectan SP 2	<<locked>>	61%	35476	79%	**24	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	26223	58%	**86	86%
Shooters World Major Pistol	<<locked>>	61%	33504	75%	**11	95%
Somchem MP200	<<locked>>	61%	34519	77%	**06	100%
Somchem MS200	<<locked>>	60%	30443	68%	**37	100%
Vihtavuori 3N37	<<locked>>	61%	28935	64%	**70	100%
Vihtavuori 3N38	<<locked>>	61%	21103	47%	**65	91%
Vihtavuori N105	<<locked>>	61%	17245	38%	**12	91%
[Vihtavuori N110]*	<<locked>>	86%	24105	54%	**76	81%
Vihtavuori N320	<<locked>>	60%	34069	76%	**01	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	20320	45%	**8	100%
Vihtavuori N330	<<locked>>	61%	33344	74%	**43	100%
Vihtavuori N340	<<locked>>	61%	30153	67%	**34	100%
Vihtavuori N350	<<locked>>	61%	26469	59%	**30	100%
Winchester AutoComp	<<locked>>	61%	29008	65%	**91	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