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

Recommended Powder(s): ADI AP 100, ReloadSwiss RS 24

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:	0.699" \| 17.8mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.339" \| 8.6mm
Shank Seated Depth:	0.339" \| 8.6mm
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:	2025-01-01

Load data for 110 loads in caliber .357 Maximum with .358 | 158gr | Rim Rock SWC?HP Gas Check bullet and 55 powders such as ADI AP 100, ReloadSwiss RS 24. 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>>	86%	40422	90%	**63	100%
ADI APS 350	<<locked>>	70%	39073	87%	**65	100%
ADI APS 450	<<locked>>	72%	39668	88%	**98	100%
ADI AS 30	<<locked>>	71%	39668	88%	**30	100%
ADI AS 50N	<<locked>>	66%	38450	86%	**63	100%
[Accurate 4100]*	<<locked>>	86%	38899	87%	**99	87%
Accurate No. 2	<<locked>>	67%	39566	88%	**52	100%
Accurate No. 7	<<locked>>	66%	39624	88%	**09	97%
Accurate No. 9	<<locked>>	74%	39871	89%	**16	93%
Accurate Solo 1000	<<locked>>	70%	39842	89%	**63	100%
Accurate Solo 1250	<<locked>>	72%	38914	87%	**02	100%
Accurate TCM	<<locked>>	74%	40016	89%	**09	94%
Alliant 2400	<<locked>>	83%	39929	89%	**35	91%
Alliant BLUE DOT	<<locked>>	86%	39421	88%	**96	96%
Alliant BULLSEYE	<<locked>>	63%	38740	86%	**71	100%
Alliant POWER PISTOL	<<locked>>	69%	38682	86%	**70	100%
Alliant UNIQUE	<<locked>>	72%	39798	89%	**81	100%
Baschieri & Pellagri 100	<<locked>>	69%	39276	87%	**57	100%
Hodgdon Clays	<<locked>>	70%	39871	89%	**88	100%
[Hodgdon H110]*	<<locked>>	92%	40364	90%	**62	84%
Hodgdon LilGun	<<locked>>	93%	39653	88%	**98	91%
Hodgdon Universal	<<locked>>	66%	38667	86%	**09	100%
Hodgdon TrailBoss	<<locked>>	93%	19754	44%	**1	100%
Lovex D037.1	<<locked>>	66%	39624	88%	**09	97%
Lovex D037.2	<<locked>>	72%	39059	87%	**06	93%
Lovex S020	<<locked>>	65%	38986	87%	**35	100%
Maxam CSB 1	<<locked>>	75%	38870	86%	**96	100%
Maxam CSB 2	<<locked>>	72%	40147	89%	**96	100%
Maxam CSB 3	<<locked>>	72%	40176	89%	**93	100%
Maxam CSB 4	<<locked>>	70%	39943	89%	**70	100%
Maxam CSB 5	<<locked>>	65%	38479	86%	**04	100%
Ramshot Enforcer	<<locked>>	83%	39653	88%	**42	92%
ReloadSwiss RS 14	<<locked>>	96%	19160	43%	**1	100%
ReloadSwiss RS 20	<<locked>>	71%	38479	86%	**55	100%
ReloadSwiss RS 24 👍	<<locked>>	72%	39247	87%	**93	99%
Rottweil P 806	<<locked>>	74%	39465	88%	**73	100%
SNPE Vectan A0	<<locked>>	75%	40059	89%	**52	100%
SNPE Vectan BA 9	<<locked>>	69%	39784	88%	**16	100%
SNPE Vectan BA10	<<locked>>	66%	38682	86%	**88	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	95%	24845	55%	**86	85%
SNPE Vectan BA7 1/2	<<locked>>	78%	38711	86%	**94	100%
SNPE Vectan BA9 1/2	<<locked>>	69%	40016	89%	**19	100%
Shooters World Heavy Pistol	<<locked>>	72%	39059	87%	**06	93%
Shooters World Major Pistol	<<locked>>	66%	39624	88%	**09	97%
Somchem MP200	<<locked>>	66%	39929	89%	**75	100%
Somchem MS200	<<locked>>	71%	39813	89%	**55	100%
Vihtavuori 3N37	<<locked>>	71%	39131	87%	**07	100%
Vihtavuori 3N38	<<locked>>	82%	40437	90%	**96	99%
Vihtavuori N105	<<locked>>	86%	39885	89%	**16	100%
[Vihtavuori N110]*	<<locked>>	96%	31314	70%	**14	86%
Vihtavuori N320	<<locked>>	65%	38087	85%	**50	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	40219	89%	**04	100%
Vihtavuori N330	<<locked>>	67%	39465	88%	**19	100%
Vihtavuori N340	<<locked>>	71%	39653	88%	**55	100%
Vihtavuori N350	<<locked>>	74%	38638	86%	**01	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20073	45%	**25	96%
ADI APS 350	<<locked>>	62%	32460	72%	**89	100%
ADI APS 450	<<locked>>	62%	31546	70%	**06	100%
ADI AS 30	<<locked>>	61%	31111	69%	**25	100%
ADI AS 50N	<<locked>>	61%	34084	76%	**04	100%
[Accurate 4100]*	<<locked>>	77%	28340	63%	**39	80%
Accurate No. 2	<<locked>>	61%	32648	73%	**73	100%
Accurate No. 7	<<locked>>	61%	32750	73%	**14	95%
[Accurate No. 9]*	<<locked>>	61%	25019	56%	**70	85%
Accurate Solo 1000	<<locked>>	60%	31314	70%	**61	100%
Accurate Solo 1250	<<locked>>	61%	28587	64%	**68	100%
[Accurate TCM]*	<<locked>>	61%	25034	56%	**63	86%
[Alliant 2400]*	<<locked>>	68%	23902	53%	**57	80%
[Alliant BLUE DOT]*	<<locked>>	61%	18811	42%	**12	83%
Alliant BULLSEYE	<<locked>>	61%	36535	81%	**42	100%
Alliant POWER PISTOL	<<locked>>	61%	29675	66%	**39	99%
Alliant UNIQUE	<<locked>>	61%	30023	67%	**57	100%
Baschieri & Pellagri 100	<<locked>>	61%	30850	69%	**58	100%
Hodgdon Clays	<<locked>>	62%	33069	74%	**02	100%
[Hodgdon H110]*	<<locked>>	87%	33750	75%	**60	81%
[Hodgdon LilGun]*	<<locked>>	82%	25570	57%	**45	81%
Hodgdon Universal	<<locked>>	62%	34519	77%	**60	100%
Hodgdon TrailBoss	<<locked>>	62%	10356	23%	**5	100%
Lovex D037.1	<<locked>>	61%	32750	73%	**14	95%
[Lovex D037.2]*	<<locked>>	61%	25628	57%	**73	85%
Lovex S020	<<locked>>	61%	34650	77%	**80	100%
Maxam CSB 1	<<locked>>	61%	27209	61%	**48	100%
Maxam CSB 2	<<locked>>	61%	29834	66%	**81	100%
Maxam CSB 3	<<locked>>	60%	29907	67%	**65	100%
Maxam CSB 4	<<locked>>	60%	31488	70%	**68	100%
Maxam CSB 5	<<locked>>	60%	34055	76%	**58	100%
[Ramshot Enforcer]*	<<locked>>	69%	23685	53%	**63	81%
ReloadSwiss RS 14	<<locked>>	60%	9471	21%	**1	100%
ReloadSwiss RS 20	<<locked>>	61%	28660	64%	**30	100%
ReloadSwiss RS 24	<<locked>>	61%	27644	61%	**12	95%
Rottweil P 806	<<locked>>	61%	24584	55%	**53	100%
SNPE Vectan A0	<<locked>>	61%	26963	60%	**75	100%
SNPE Vectan BA 9	<<locked>>	61%	32024	71%	**27	100%
SNPE Vectan BA10	<<locked>>	61%	34534	77%	**42	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	89%	20755	46%	**88	81%
SNPE Vectan BA7 1/2	<<locked>>	61%	24221	54%	**84	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	31879	71%	**20	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25628	57%	**73	85%
Shooters World Major Pistol	<<locked>>	61%	32750	73%	**14	95%
Somchem MP200	<<locked>>	61%	34084	76%	**02	100%
Somchem MS200	<<locked>>	60%	30052	67%	**34	100%
Vihtavuori 3N37	<<locked>>	61%	28268	63%	**63	100%
Vihtavuori 3N38	<<locked>>	61%	20537	46%	**52	90%
Vihtavuori N105	<<locked>>	61%	16607	37%	**93	90%
[Vihtavuori N110]*	<<locked>>	86%	23279	52%	**70	80%
Vihtavuori N320	<<locked>>	60%	33547	75%	**98	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	19798	44%	**2	100%
Vihtavuori N330	<<locked>>	61%	32909	73%	**40	100%
Vihtavuori N340	<<locked>>	61%	29544	66%	**27	100%
Vihtavuori N350	<<locked>>	61%	25947	58%	**20	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