Load data for 9 mm Mauser + .358 | 120gr | Rim Rock TC Cowboy

Recommended Powder(s): Alliant BULLSEYE, Hodgdon Universal, SNPE Vectan BA9 1/2, Somchem MP200, Vihtavuori N330

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 120gr \| Rim Rock TC Cowboy
Manufacturer SKU:	#010
Bullet Weight:	120gr \| 7.8g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.569" \| 14.5mm
Caliber:	9 mm Mauser load data
Case Length (l3):	0.984" \| 25.0mm
Cartridge Length (C.O.L.):	1.180" \| 30.0mm
Seated Depth:	0.373" \| 9.5mm
Shank Seated Depth:	0.373" \| 9.5mm
Case Capacity:	18.9 Grains of Water \| 1.23 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	37710 psi \| 2600 bar
LID:	LID_B10536_C1223
Last updated:	2025-01-01

Load data for 106 loads in caliber 9 mm Mauser with .358 | 120gr | Rim Rock TC Cowboy bullet and 53 powders such as Alliant BULLSEYE, Hodgdon Universal, SNPE Vectan BA9 1/2, Somchem MP200, Vihtavuori N330. 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 70N	<<locked>>	82%	32967	87%	**57	100%
ADI APS 350	<<locked>>	82%	32242	86%	**47	100%
ADI APS 450	<<locked>>	85%	32706	87%	**93	100%
ADI AS 30	<<locked>>	89%	32155	85%	**38	100%
ADI AS 50N	<<locked>>	88%	33475	89%	**01	100%
Accurate No. 2	<<locked>>	88%	33562	89%	**37	98%
Accurate No. 5	<<locked>>	74%	32953	87%	**06	92%
Accurate Solo 1000	<<locked>>	90%	33518	89%	**78	100%
Accurate Solo 1250	<<locked>>	95%	31169	83%	**07	100%
Alliant BULLSEYE 👍	<<locked>>	86%	32953	87%	**89	100%
[Alliant POWER PISTOL]*	<<locked>>	96%	30806	82%	**16	88%
Alliant UNIQUE	<<locked>>	96%	30589	81%	**76	100%
Baschieri & Pellagri 100	<<locked>>	92%	33460	89%	**81	100%
Hodgdon Clays	<<locked>>	82%	32677	87%	**66	100%
Hodgdon HP38	<<locked>>	68%	32663	87%	**11	100%
Hodgdon HS-6	<<locked>>	81%	33286	88%	**99	94%
Hodgdon Longshot	<<locked>>	78%	33750	89%	**09	96%
Hodgdon TiteGroup	<<locked>>	63%	33736	89%	**71	100%
Hodgdon Universal 👍	<<locked>>	91%	32967	87%	**57	100%
Hodgdon TrailBoss	<<locked>>	95%	8543	23%	**8	99%
Lovex D036	<<locked>>	74%	32895	87%	**02	92%
Lovex S011	<<locked>>	79%	33533	89%	**01	100%
Lovex S020	<<locked>>	89%	33112	88%	**60	100%
Maxam CSB 1	<<locked>>	96%	29153	77%	**81	100%
Maxam CSB 2	<<locked>>	96%	29385	78%	**24	100%
Maxam CSB 3	<<locked>>	96%	33344	88%	**17	100%
Maxam CSB 4	<<locked>>	91%	33083	88%	**91	100%
Maxam CSB 5	<<locked>>	85%	32895	87%	**38	100%
Ramshot Silhouette	<<locked>>	82%	33663	89%	**96	99%
Ramshot True Blue	<<locked>>	75%	32576	86%	**80	95%
Ramshot Zip	<<locked>>	70%	33417	89%	**27	100%
ReloadSwiss RS 12	<<locked>>	88%	32880	87%	**43	100%
ReloadSwiss RS 14	<<locked>>	93%	7223	19%	**9	94%
ReloadSwiss RS 20	<<locked>>	95%	27760	74%	**43	100%
Rottweil P 801	<<locked>>	81%	33330	88%	**11	100%
[Rottweil P 806]*	<<locked>>	96%	18275	48%	**75	86%
SNPE Vectan A0	<<locked>>	97%	30516	81%	**14	99%
SNPE Vectan BA 9	<<locked>>	90%	32401	86%	**14	100%
SNPE Vectan BA10	<<locked>>	79%	32692	87%	**93	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	25860	69%	**71	92%
SNPE Vectan BA9 1/2 👍	<<locked>>	93%	33301	88%	**43	100%
Shooters World Auto Pistol	<<locked>>	74%	32895	87%	**02	92%
Somchem MP200 👍	<<locked>>	92%	33750	89%	**96	100%
Somchem MS200	<<locked>>	95%	32706	87%	**57	100%
[Somchem S221]*	<<locked>>	85%	32256	86%	**99	85%
Vihtavuori 3N37	<<locked>>	97%	29486	78%	**63	95%
Vihtavuori N310	<<locked>>	73%	33518	89%	**12	100%
Vihtavuori N320	<<locked>>	91%	33852	90%	**14	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	19609	52%	**8	100%
Vihtavuori N330 👍	<<locked>>	93%	32140	85%	**57	100%
Vihtavuori N340	<<locked>>	96%	33083	88%	**70	100%
Vihtavuori N350	<<locked>>	95%	25947	69%	**01	93%
Winchester 231	<<locked>>	78%	33417	89%	**27	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 70N	<<locked>>	60%	17158	46%	**10	99%
[ADI APS 350]²	<<locked>>	59%	18869	50%	**6	100%
ADI APS 450	<<locked>>	61%	18478	49%	**2	100%
ADI AS 30	<<locked>>	62%	16433	44%	**2	100%
ADI AS 50N	<<locked>>	61%	16723	44%	**1	100%
[Accurate No. 2]*	<<locked>>	62%	14736	39%	**9	88%
[Accurate No. 5]*	<<locked>>	60%	20247	54%	**93	83%
Accurate Solo 1000	<<locked>>	61%	16404	43%	**5	100%
Accurate Solo 1250	<<locked>>	62%	12923	34%	**2	96%
Alliant BULLSEYE	<<locked>>	62%	17042	45%	**10	95%
[Alliant POWER PISTOL]*	<<locked>>	83%	21364	57%	**52	81%
[Alliant UNIQUE]*	<<locked>>	61%	11908	32%	**6	88%
Baschieri & Pellagri 100	<<locked>>	62%	15055	40%	**5	100%
[Hodgdon Clays]²	<<locked>>	59%	19014	50%	**9	100%
Hodgdon HP38	<<locked>>	62%	26542	70%	**32	100%
[Hodgdon HS-6]*	<<locked>>	61%	17013	45%	**14	83%
[Hodgdon Longshot]*	<<locked>>	62%	19334	51%	**73	88%
Hodgdon TiteGroup	<<locked>>	61%	31444	83%	**52	100%
Hodgdon Universal	<<locked>>	61%	14649	39%	**8	98%
Hodgdon TrailBoss	<<locked>>	84%	7049	19%	**2	97%
[Lovex D036]*	<<locked>>	60%	20204	54%	**93	83%
Lovex S011	<<locked>>	60%	19624	52%	**07	100%
Lovex S020	<<locked>>	61%	13851	37%	**8	93%
Maxam CSB 1	<<locked>>	60%	11400	30%	**3	94%
Maxam CSB 2	<<locked>>	61%	11008	29%	**6	99%
Maxam CSB 3	<<locked>>	62%	14141	38%	**9	99%
Maxam CSB 4	<<locked>>	60%	14750	39%	**9	100%
Maxam CSB 5	<<locked>>	62%	18231	48%	**5	100%
Ramshot Silhouette	<<locked>>	61%	17622	47%	**30	92%
[Ramshot True Blue]*	<<locked>>	61%	20015	53%	**76	88%
Ramshot Zip	<<locked>>	61%	25643	68%	**29	100%
ReloadSwiss RS 12	<<locked>>	61%	15142	40%	**4	100%
ReloadSwiss RS 14	<<locked>>	88%	6643	18%	**2	92%
[ReloadSwiss RS 20]*	<<locked>>	61%	10559	28%	**0	88%
Rottweil P 801	<<locked>>	61%	18304	49%	**07	100%
[Rottweil P 806]*	<<locked>>	89%	14649	39%	**76	81%
[SNPE Vectan A0]*	<<locked>>	61%	12111	32%	**0	87%
SNPE Vectan BA 9	<<locked>>	61%	15171	40%	**5	96%
SNPE Vectan BA10	<<locked>>	60%	20276	54%	**2	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	73%	13721	36%	**5	80%
SNPE Vectan BA9 1/2	<<locked>>	60%	13793	37%	**2	96%
[Shooters World Auto Pistol]*	<<locked>>	60%	20204	54%	**93	83%
[Somchem MP200]*	<<locked>>	60%	13996	37%	**5	89%
Somchem MS200	<<locked>>	60%	12966	34%	**9	91%
[Somchem S221]*	<<locked>>	77%	24743	66%	**81	80%
[Vihtavuori 3N37]*	<<locked>>	69%	13285	35%	**2	81%
Vihtavuori N310	<<locked>>	61%	23467	62%	**01	100%
Vihtavuori N320	<<locked>>	61%	14359	38%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	8006	21%	**8	100%
Vihtavuori N330	<<locked>>	60%	12067	32%	**6	97%
[Vihtavuori N340]*	<<locked>>	62%	12328	33%	**6	89%
[Vihtavuori N350]*	<<locked>>	71%	12937	34%	**2	81%
Winchester 231	<<locked>>	61%	20479	54%	**47	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