Load data for .460 Rowland + .452 | 180gr | Rim Rock RNFP Cowboy

Recommended Powder(s): Alliant BULLSEYE, Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, SNPE Vectan BA9 1/2

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.452 \| 180gr \| Rim Rock RNFP Cowboy
Manufacturer SKU:	#028
Bullet Weight:	180gr \| 11.7g
Bullet Diameter:	0.452" \| 11.48mm
Bullet Length:	0.501" \| 12.7mm
Caliber:	.460 Rowland load data
Case Length (l3):	0.955" \| 24.3mm
Cartridge Length (C.O.L.):	1.231" \| 31.3mm
Seated Depth:	0.225" \| 5.7mm
Shank Seated Depth:	0.225" \| 5.7mm
Case Capacity:	27.9 Grains of Water \| 1.81 cm³
Primer Size:	Large Pistol (LP)
Max. allowed Pressure:	39885 psi \| 2750 bar
LID:	LID_B10653_C803
Last updated:	2025-02-02

Load data for 108 loads in caliber .460 Rowland with .452 | 180gr | Rim Rock RNFP Cowboy bullet and 54 powders such as Alliant BULLSEYE, Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, SNPE Vectan BA9 1/2. 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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Min z (%)
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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.

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>>	97%	23076	58%	**40	85%
ADI AP 70N	<<locked>>	79%	33881	85%	**75	100%
ADI APS 350	<<locked>>	80%	33373	84%	**58	100%
ADI APS 450	<<locked>>	85%	35578	89%	**24	100%
ADI AS 30	<<locked>>	88%	34171	86%	**60	100%
ADI AS 50N	<<locked>>	86%	35027	88%	**22	100%
Accurate No. 2	<<locked>>	85%	33823	85%	**58	99%
Accurate No. 5	<<locked>>	72%	34592	87%	**50	94%
Accurate Solo 1000	<<locked>>	87%	34577	87%	**89	100%
Accurate Solo 1250	<<locked>>	94%	34084	85%	**55	100%
Alliant BULLSEYE 👍	<<locked>>	82%	33489	84%	**11	100%
Alliant POWER PISTOL	<<locked>>	97%	35491	89%	**12	92%
Alliant UNIQUE 👍	<<locked>>	97%	34925	88%	**40	100%
Baschieri & Pellagri 100	<<locked>>	88%	33533	84%	**86	100%
Hodgdon Clays	<<locked>>	80%	33939	85%	**75	100%
Hodgdon HP38	<<locked>>	67%	35650	89%	**52	100%
Hodgdon HS-6	<<locked>>	78%	34243	86%	**24	95%
Hodgdon Longshot	<<locked>>	75%	35650	89%	**50	97%
Hodgdon Universal	<<locked>>	89%	35027	88%	**88	100%
Hodgdon TrailBoss	<<locked>>	93%	9355	23%	**3	100%
Lovex D036	<<locked>>	72%	34548	87%	**47	94%
Lovex S011	<<locked>>	76%	34911	88%	**22	100%
Lovex S020	<<locked>>	87%	35302	89%	**01	100%
Maxam CSB 1	<<locked>>	95%	31720	80%	**16	100%
Maxam CSB 2	<<locked>>	97%	34490	86%	**78	100%
Maxam CSB 3	<<locked>>	91%	33924	85%	**22	100%
Maxam CSB 4	<<locked>>	90%	35766	90%	**25	100%
Maxam CSB 5	<<locked>>	84%	35317	89%	**66	100%
Ramshot Silhouette 👍	<<locked>>	78%	33765	85%	**11	100%
Ramshot True Blue	<<locked>>	74%	35230	88%	**40	97%
Ramshot Zip	<<locked>>	68%	35433	89%	**55	100%
ReloadSwiss RS 12	<<locked>>	85%	35621	89%	**75	100%
ReloadSwiss RS 14	<<locked>>	93%	8398	21%	**7	96%
ReloadSwiss RS 20 👍	<<locked>>	96%	32314	81%	**11	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	32605	82%	**37	83%
Rottweil P 801	<<locked>>	79%	35549	89%	**32	100%
Rottweil P 806	<<locked>>	96%	23018	58%	**65	91%
SNPE Vectan A0	<<locked>>	95%	32300	81%	**45	100%
SNPE Vectan BA 9	<<locked>>	89%	35273	88%	**58	100%
SNPE Vectan BA10	<<locked>>	80%	35563	89%	**24	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	27586	69%	**12	94%
SNPE Vectan BA9 1/2 👍	<<locked>>	91%	35433	89%	**75	100%
Shooters World Auto Pistol	<<locked>>	72%	34548	87%	**47	94%
Somchem MP200	<<locked>>	87%	34040	85%	**07	100%
Somchem MS200	<<locked>>	91%	33649	84%	**81	100%
[Somchem S221]*	<<locked>>	83%	34838	87%	**57	88%
Vihtavuori 3N37	<<locked>>	96%	33373	84%	**30	97%
Vihtavuori N310	<<locked>>	71%	34403	86%	**17	100%
Vihtavuori N320	<<locked>>	88%	35853	90%	**35	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	22698	57%	**99	100%
Vihtavuori N330	<<locked>>	89%	33460	84%	**78	100%
Vihtavuori N340	<<locked>>	93%	33997	85%	**88	100%
Vihtavuori N350	<<locked>>	95%	30124	76%	**78	96%
Winchester 231	<<locked>>	75%	35433	89%	**55	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	89%	19058	48%	**55	81%
ADI AP 70N	<<locked>>	61%	20320	51%	**61	100%
ADI APS 350	<<locked>>	62%	21553	54%	**01	100%
ADI APS 450	<<locked>>	62%	20218	51%	**10	100%
ADI AS 30	<<locked>>	60%	17521	44%	**14	100%
ADI AS 50N	<<locked>>	61%	18666	47%	**73	100%
Accurate No. 2	<<locked>>	61%	15853	40%	**30	90%
[Accurate No. 5]*	<<locked>>	61%	24033	60%	**63	88%
Accurate Solo 1000	<<locked>>	61%	18115	45%	**40	100%
Accurate Solo 1250	<<locked>>	61%	13967	35%	**4	97%
Alliant BULLSEYE	<<locked>>	61%	18405	46%	**32	96%
[Alliant POWER PISTOL]*	<<locked>>	76%	20407	51%	**20	81%
Alliant UNIQUE	<<locked>>	61%	13561	34%	**14	91%
Baschieri & Pellagri 100	<<locked>>	61%	16201	41%	**17	100%
Hodgdon Clays	<<locked>>	62%	21770	55%	**14	100%
Hodgdon HP38	<<locked>>	61%	28950	73%	**66	100%
[Hodgdon HS-6]*	<<locked>>	61%	19609	49%	**68	87%
Hodgdon Longshot	<<locked>>	61%	21698	54%	**14	91%
Hodgdon Universal	<<locked>>	61%	16766	42%	**76	99%
Hodgdon TrailBoss	<<locked>>	66%	5497	14%	**6	95%
[Lovex D036]*	<<locked>>	61%	23989	60%	**63	88%
Lovex S011	<<locked>>	60%	21959	55%	**38	100%
Lovex S020	<<locked>>	62%	16041	40%	**73	96%
Maxam CSB 1	<<locked>>	62%	13387	34%	**4	97%
Maxam CSB 2	<<locked>>	62%	12966	33%	**07	100%
Maxam CSB 3	<<locked>>	60%	15302	38%	**14	100%
Maxam CSB 4	<<locked>>	62%	17419	44%	**47	100%
Maxam CSB 5	<<locked>>	61%	19435	49%	**43	100%
Ramshot Silhouette	<<locked>>	62%	20189	51%	**78	95%
Ramshot True Blue	<<locked>>	61%	22785	57%	**37	92%
Ramshot Zip	<<locked>>	61%	28747	72%	**73	100%
ReloadSwiss RS 12	<<locked>>	61%	17579	44%	**06	100%
ReloadSwiss RS 14	<<locked>>	73%	5671	14%	**9	90%
ReloadSwiss RS 20	<<locked>>	61%	12096	30%	**8	92%
[ReloadSwiss RS 24]*	<<locked>>	92%	29182	73%	**85	81%
Rottweil P 801	<<locked>>	61%	21205	53%	**35	100%
[Rottweil P 806]*	<<locked>>	82%	14156	35%	**45	82%
SNPE Vectan A0	<<locked>>	61%	13547	34%	**1	91%
SNPE Vectan BA 9	<<locked>>	60%	16360	41%	**40	97%
SNPE Vectan BA10	<<locked>>	61%	22046	55%	**43	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	68%	13503	34%	**8	81%
SNPE Vectan BA9 1/2	<<locked>>	61%	15679	39%	**40	98%
[Shooters World Auto Pistol]*	<<locked>>	61%	23989	60%	**63	88%
Somchem MP200	<<locked>>	61%	15940	40%	**70	92%
Somchem MS200	<<locked>>	61%	15171	38%	**33	94%
[Somchem S221]*	<<locked>>	71%	23380	59%	**63	81%
[Vihtavuori 3N37]*	<<locked>>	61%	11951	30%	**1	80%
Vihtavuori N310	<<locked>>	61%	26324	66%	**25	100%
Vihtavuori N320	<<locked>>	61%	16563	42%	**50	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	9268	23%	**3	100%
Vihtavuori N330	<<locked>>	62%	14750	37%	**53	99%
Vihtavuori N340	<<locked>>	61%	13547	34%	**7	92%
[Vihtavuori N350]*	<<locked>>	64%	11879	30%	**5	80%
Winchester 231	<<locked>>	61%	22989	58%	**81	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.