Load data for .460 Rowland + .452 | 160gr | Rim Rock RNFP Cowboy

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.452 \| 160gr \| Rim Rock RNFP Cowboy
Manufacturer SKU:	#027
Bullet Weight:	160gr \| 10.4g
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_B10652_C803
Last updated:	2026-01-21

Load data for 114 loads in caliber .460 Rowland with .452 | 160gr | 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>>	96%	22916	57%	**48	84%
ADI AP 70N	<<locked>>	80%	35259	88%	**16	100%
ADI APS 350	<<locked>>	83%	35360	89%	**99	100%
ADI APS 450	<<locked>>	85%	35433	89%	**39	100%
ADI AS 30	<<locked>>	89%	35085	88%	**98	100%
ADI AS 50N	<<locked>>	86%	35201	88%	**50	100%
Accurate No. 2	<<locked>>	86%	35244	88%	**03	99%
Accurate No. 5	<<locked>>	72%	35534	89%	**88	93%
Accurate Solo 1000	<<locked>>	87%	35041	88%	**27	100%
Accurate Solo 1250	<<locked>>	95%	35723	90%	**96	100%
Alliant BULLSEYE 👍	<<locked>>	84%	35259	88%	**62	100%
Alliant POWER PISTOL	<<locked>>	96%	35447	89%	**37	91%
Alliant Sport Pistol 👍	<<locked>>	78%	35534	89%	**68	100%
Alliant UNIQUE 👍	<<locked>>	96%	34389	86%	**72	100%
Baschieri & Pellagri 100	<<locked>>	90%	35781	90%	**37	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	24192	61%	**99	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	85%	35273	88%	**60	100%
Hodgdon Clays	<<locked>>	83%	35868	90%	**22	100%
Hodgdon HP38	<<locked>>	67%	35781	90%	**80	100%
Hodgdon HS-6	<<locked>>	79%	35418	89%	**72	95%
Hodgdon Longshot	<<locked>>	75%	35215	88%	**72	97%
Hodgdon Universal	<<locked>>	89%	35259	88%	**16	100%
Hodgdon CFE Pistol 👍	<<locked>>	91%	35781	90%	**12	100%
Lovex D036	<<locked>>	72%	35491	89%	**88	93%
Lovex S011	<<locked>>	76%	34925	88%	**53	100%
Lovex S020	<<locked>>	87%	35099	88%	**29	100%
Maxam CSB 1	<<locked>>	96%	33054	83%	**63	100%
Maxam CSB 2	<<locked>>	96%	34316	86%	**09	100%
Maxam CSB 3	<<locked>>	94%	35853	90%	**70	100%
Maxam CSB 4	<<locked>>	90%	35752	90%	**47	100%
Maxam CSB 5	<<locked>>	83%	34998	88%	**81	100%
Ramshot Silhouette	<<locked>>	79%	35621	89%	**62	99%
Ramshot True Blue	<<locked>>	73%	35259	88%	**68	97%
Ramshot Zip	<<locked>>	68%	35650	89%	**83	100%
ReloadSwiss RS 12	<<locked>>	85%	35882	90%	**09	100%
ReloadSwiss RS 20	<<locked>>	97%	33417	84%	**55	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	32851	82%	**65	82%
Rottweil P 801	<<locked>>	78%	35215	88%	**50	100%
Rottweil P 806	<<locked>>	97%	23975	60%	**96	91%
SNPE Vectan A0	<<locked>>	96%	33837	85%	**90	100%
SNPE Vectan BA 9	<<locked>>	88%	34969	88%	**83	100%
SNPE Vectan BA10	<<locked>>	79%	35418	89%	**39	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	28877	72%	**47	94%
SNPE Vectan BA9 1/2 👍	<<locked>>	91%	35259	88%	**06	100%
SNPE Vectan SP 2	<<locked>>	93%	35549	89%	**70	93%
Shooters World Auto Pistol	<<locked>>	72%	35491	89%	**88	93%
Somchem MP200	<<locked>>	88%	35549	89%	**58	100%
Somchem MS200	<<locked>>	93%	35476	89%	**32	100%
[Somchem S221]*	<<locked>>	83%	35056	88%	**88	87%
Vihtavuori 3N37	<<locked>>	97%	34534	87%	**72	97%
Vihtavuori N310	<<locked>>	71%	34954	88%	**45	100%
Vihtavuori N320	<<locked>>	88%	35708	90%	**57	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	22960	58%	**11	100%
Vihtavuori N330	<<locked>>	90%	34780	87%	**16	100%
Vihtavuori N340	<<locked>>	94%	35636	89%	**45	100%
Vihtavuori N350	<<locked>>	97%	31401	79%	**26	96%
Winchester 231	<<locked>>	75%	35650	89%	**83	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	90%	19334	48%	**60	80%
ADI AP 70N	<<locked>>	61%	20421	51%	**70	100%
ADI APS 350	<<locked>>	61%	21451	54%	**96	100%
ADI APS 450	<<locked>>	61%	19827	50%	**06	100%
ADI AS 30	<<locked>>	61%	17941	45%	**15	100%
ADI AS 50N	<<locked>>	61%	18739	47%	**75	100%
Accurate No. 2	<<locked>>	61%	16128	40%	**35	90%
[Accurate No. 5]*	<<locked>>	61%	23598	59%	**71	87%
Accurate Solo 1000	<<locked>>	61%	18304	46%	**45	100%
Accurate Solo 1250	<<locked>>	61%	14025	35%	**83	97%
Alliant BULLSEYE	<<locked>>	61%	18840	47%	**43	96%
[Alliant POWER PISTOL]*	<<locked>>	76%	20305	51%	**25	80%
Alliant Sport Pistol	<<locked>>	61%	21596	54%	**12	97%
Alliant UNIQUE	<<locked>>	61%	13953	35%	**12	90%
Baschieri & Pellagri 100	<<locked>>	61%	16230	41%	**12	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	9355	23%	**5	97%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	16969	43%	**65	100%
Hodgdon Clays	<<locked>>	61%	21770	55%	**15	100%
Hodgdon HP38	<<locked>>	61%	28964	73%	**85	100%
[Hodgdon HS-6]*	<<locked>>	61%	19479	49%	**63	86%
Hodgdon Longshot	<<locked>>	61%	21335	53%	**12	90%
Hodgdon Universal	<<locked>>	60%	16433	41%	**71	99%
Hodgdon CFE Pistol	<<locked>>	61%	15302	38%	**29	97%
[Lovex D036]*	<<locked>>	61%	23554	59%	**71	87%
Lovex S011	<<locked>>	61%	22191	56%	**47	100%
Lovex S020	<<locked>>	62%	16128	40%	**68	95%
Maxam CSB 1	<<locked>>	62%	13561	34%	**63	96%
Maxam CSB 2	<<locked>>	61%	12923	32%	**96	99%
Maxam CSB 3	<<locked>>	61%	15490	39%	**12	100%
Maxam CSB 4	<<locked>>	62%	17608	44%	**48	100%
Maxam CSB 5	<<locked>>	61%	19957	50%	**55	100%
Ramshot Silhouette	<<locked>>	61%	19856	50%	**70	94%
Ramshot True Blue	<<locked>>	61%	22684	57%	**32	91%
Ramshot Zip	<<locked>>	61%	28790	72%	**88	100%
ReloadSwiss RS 12	<<locked>>	62%	17956	45%	**14	100%
ReloadSwiss RS 20	<<locked>>	61%	12241	31%	**79	91%
[ReloadSwiss RS 24]*	<<locked>>	93%	29892	75%	**12	80%
Rottweil P 801	<<locked>>	61%	21321	53%	**43	100%
[Rottweil P 806]*	<<locked>>	82%	14185	36%	**40	80%
[SNPE Vectan A0]*	<<locked>>	61%	13314	33%	**50	89%
SNPE Vectan BA 9	<<locked>>	61%	16534	41%	**38	97%
SNPE Vectan BA10	<<locked>>	61%	22365	56%	**52	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	69%	14141	35%	**96	81%
SNPE Vectan BA9 1/2	<<locked>>	61%	16085	40%	**42	98%
[SNPE Vectan SP 2]*	<<locked>>	72%	18463	46%	**16	81%
[Shooters World Auto Pistol]*	<<locked>>	61%	23554	59%	**71	87%
Somchem MP200	<<locked>>	61%	16433	41%	**75	92%
Somchem MS200	<<locked>>	61%	14924	37%	**15	93%
[Somchem S221]*	<<locked>>	71%	24004	60%	**81	80%
[Vihtavuori 3N37]*	<<locked>>	64%	13010	33%	**93	81%
Vihtavuori N310	<<locked>>	61%	26411	66%	**37	100%
Vihtavuori N320	<<locked>>	61%	16636	42%	**52	100%
Vihtavuori N32C Tin Star	<<locked>>	64%	10167	25%	**8	100%
Vihtavuori N330	<<locked>>	61%	14489	36%	**42	99%
Vihtavuori N340	<<locked>>	61%	13808	35%	**89	91%
[Vihtavuori N350]*	<<locked>>	65%	12647	32%	**79	80%
Winchester 231	<<locked>>	61%	22713	57%	**89	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