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

Recommended Powder(s):

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:	<<locked>>
Caliber:	.460 Rowland load data
Case Length (l3):	0.955" \| 24.3mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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:	2026-01-20

Load data for 114 loads in caliber .460 Rowland with .452 | 180gr | Rim Rock RNFP Cowboy bullet and 57 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>>	97%	23076	58%	**40	85%
ADI AP 70N	<<locked>>	80%	35027	88%	**88	100%
ADI APS 350	<<locked>>	82%	34882	87%	**71	100%
ADI APS 450	<<locked>>	85%	35578	89%	**24	100%
ADI AS 30	<<locked>>	90%	35665	89%	**80	100%
ADI AS 50N	<<locked>>	86%	35027	88%	**22	100%
Accurate No. 2	<<locked>>	86%	35027	88%	**68	99%
Accurate No. 5	<<locked>>	73%	35882	90%	**67	94%
Accurate Solo 1000	<<locked>>	88%	35766	90%	**02	100%
Accurate Solo 1250	<<locked>>	95%	35505	89%	**68	100%
Alliant BULLSEYE 👍	<<locked>>	83%	34766	87%	**27	100%
Alliant POWER PISTOL	<<locked>>	97%	35491	89%	**12	92%
Alliant Sport Pistol 👍	<<locked>>	78%	35462	89%	**34	100%
Alliant UNIQUE 👍	<<locked>>	97%	34925	88%	**40	100%
Baschieri & Pellagri 100	<<locked>>	89%	34969	88%	**02	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	23873	60%	**91	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	85%	35143	88%	**35	100%
Hodgdon Clays	<<locked>>	82%	35389	89%	**94	100%
Hodgdon HP38	<<locked>>	67%	35650	89%	**52	100%
Hodgdon HS-6	<<locked>>	78%	34925	88%	**44	96%
Hodgdon Longshot	<<locked>>	75%	35650	89%	**50	97%
Hodgdon Universal	<<locked>>	89%	35027	88%	**88	100%
Hodgdon CFE Pistol 👍	<<locked>>	91%	35404	89%	**85	100%
Lovex D036	<<locked>>	73%	35824	90%	**63	94%
Lovex S011	<<locked>>	76%	34911	88%	**22	100%
Lovex S020	<<locked>>	87%	35302	89%	**01	100%
Maxam CSB 1	<<locked>>	96%	32851	82%	**32	100%
Maxam CSB 2	<<locked>>	97%	34490	86%	**78	100%
Maxam CSB 3	<<locked>>	93%	35259	88%	**35	100%
Maxam CSB 4	<<locked>>	90%	35766	90%	**25	100%
Maxam CSB 5	<<locked>>	84%	35317	89%	**66	100%
Ramshot Silhouette	<<locked>>	79%	35143	88%	**27	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 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>>	96%	33199	83%	**58	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>>	96%	28514	71%	**19	94%
SNPE Vectan BA9 1/2 👍	<<locked>>	91%	35433	89%	**75	100%
SNPE Vectan SP 2	<<locked>>	94%	35665	89%	**42	94%
Shooters World Auto Pistol	<<locked>>	73%	35824	90%	**63	94%
Somchem MP200	<<locked>>	88%	35201	88%	**24	100%
Somchem MS200	<<locked>>	93%	34548	87%	**94	100%
[Somchem S221]*	<<locked>>	84%	35868	90%	**70	88%
Vihtavuori 3N37	<<locked>>	96%	33373	84%	**30	97%
Vihtavuori N310	<<locked>>	72%	35737	90%	**34	100%
Vihtavuori N320	<<locked>>	88%	35853	90%	**35	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	22698	57%	**99	100%
Vihtavuori N330	<<locked>>	90%	34824	87%	**88	100%
Vihtavuori N340	<<locked>>	94%	35070	88%	**04	100%
Vihtavuori N350	<<locked>>	97%	31169	78%	**94	97%
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>>	88%	18347	46%	**35	80%
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>>	75%	19798	50%	**11	81%
Alliant Sport Pistol	<<locked>>	62%	21524	54%	**01	97%
Alliant UNIQUE	<<locked>>	61%	13561	34%	**14	91%
Baschieri & Pellagri 100	<<locked>>	61%	16201	41%	**17	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	67%	11095	28%	**9	99%
Baschieri & Pellagri 103 Pistol	<<locked>>	62%	16984	43%	**70	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 CFE Pistol	<<locked>>	60%	15156	38%	**33	98%
[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 20	<<locked>>	61%	12096	30%	**8	92%
[ReloadSwiss RS 24]*	<<locked>>	91%	28282	71%	**68	80%
Rottweil P 801	<<locked>>	61%	21205	53%	**35	100%
[Rottweil P 806]*	<<locked>>	81%	13706	34%	**32	81%
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>>	67%	13082	33%	**4	80%
SNPE Vectan BA9 1/2	<<locked>>	61%	15679	39%	**40	98%
[SNPE Vectan SP 2]*	<<locked>>	70%	16781	42%	**68	80%
[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>>	70%	22771	57%	**50	80%
[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>>	73%	13111	33%	**8	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.

<<locked>>... you need to buy an access license to unlock the data