Load data for .45 Win. Mag. + .452 | 250gr | Rim Rock RNFP Top Shelf

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.452 \| 250gr \| Rim Rock RNFP Top Shelf
Manufacturer SKU:	#345
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.452" \| 11.48mm
Bullet Length:	0.655" \| 16.6mm
Caliber:	.45 Win. Mag. load data
Case Length (l3):	1.198" \| 30.4mm
Cartridge Length (C.O.L.):	1.279" \| 32.5mm
Seated Depth:	0.574" \| 14.6mm
Shank Seated Depth:	0.574" \| 14.6mm
Case Capacity:	38.0 Grains of Water \| 2.47 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	39885 psi \| 2750 bar
LID:	LID_B10666_C740
Last updated:	2025-01-01

Load data for 112 loads in caliber .45 Win. Mag. with .452 | 250gr | Rim Rock RNFP Top Shelf bullet and 56 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, Vihtavuori N340. 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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.
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>>	94%	22510	56%	**8	88%
ADI AP 70N	<<locked>>	77%	33460	84%	**70	100%
ADI APS 350	<<locked>>	81%	34911	88%	**2	100%
ADI APS 450	<<locked>>	83%	34780	87%	**5	100%
ADI AS 30	<<locked>>	88%	35578	89%	**4	100%
ADI AS 50N	<<locked>>	84%	35041	88%	**30	100%
Accurate No. 2	<<locked>>	82%	32924	83%	**60	100%
Accurate No. 5	<<locked>>	70%	34911	88%	**55	96%
[Accurate No. 7]*	<<locked>>	91%	35650	89%	**04	85%
Accurate Solo 1000	<<locked>>	86%	35331	89%	**14	100%
Accurate Solo 1250	<<locked>>	91%	33547	84%	**53	100%
Alliant BULLSEYE	<<locked>>	82%	35331	89%	**25	100%
Alliant POWER PISTOL	<<locked>>	93%	34214	86%	**91	94%
Alliant UNIQUE 👍	<<locked>>	93%	34011	85%	**25	100%
Baschieri & Pellagri 100	<<locked>>	87%	35099	88%	**17	100%
Hodgdon Clays	<<locked>>	81%	35389	89%	**8	100%
Hodgdon HP38	<<locked>>	64%	33417	84%	**37	100%
Hodgdon HS-6	<<locked>>	77%	35114	88%	**48	98%
Hodgdon Longshot	<<locked>>	72%	33649	84%	**29	99%
Hodgdon Universal	<<locked>>	87%	35056	88%	**89	100%
Lovex D036	<<locked>>	70%	34853	87%	**55	96%
[Lovex D037.1]*	<<locked>>	91%	35650	89%	**04	85%
Lovex S011	<<locked>>	74%	34026	85%	**27	100%
Lovex S020	<<locked>>	83%	33301	83%	**79	100%
Maxam CSB 1	<<locked>>	96%	34272	86%	**56	100%
Maxam CSB 2	<<locked>>	95%	35114	88%	**83	100%
Maxam CSB 3	<<locked>>	89%	33547	84%	**30	100%
Maxam CSB 4	<<locked>>	84%	33054	83%	**07	100%
Maxam CSB 5	<<locked>>	81%	34940	88%	**1	100%
Ramshot Silhouette	<<locked>>	77%	34635	87%	**25	100%
Ramshot True Blue	<<locked>>	73%	35737	90%	**48	99%
Ramshot Zip	<<locked>>	66%	35201	88%	**60	100%
ReloadSwiss RS 12	<<locked>>	81%	34345	86%	**63	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	33402	84%	**19	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	34505	86%	**81	88%
Rottweil P 801	<<locked>>	74%	33605	84%	**24	100%
Rottweil P 806	<<locked>>	95%	24337	61%	**22	96%
SNPE Vectan A0	<<locked>>	96%	34650	87%	**83	100%
SNPE Vectan BA 9	<<locked>>	87%	35273	88%	**66	100%
SNPE Vectan BA10	<<locked>>	77%	34766	87%	**5	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	28906	72%	**60	97%
SNPE Vectan BA9 1/2	<<locked>>	89%	35839	90%	**83	100%
Shooters World Auto Pistol	<<locked>>	70%	34853	87%	**55	96%
[Shooters World Major Pistol]*	<<locked>>	91%	35650	89%	**04	85%
Somchem MP200	<<locked>>	86%	34983	88%	**22	100%
Somchem MS200 👍	<<locked>>	92%	35824	90%	**09	100%
Somchem S221	<<locked>>	80%	33881	85%	**58	91%
Vihtavuori 3N37 👍	<<locked>>	96%	35317	89%	**58	99%
[Vihtavuori 3N38]*	<<locked>>	95%	22742	57%	**14	82%
Vihtavuori N310	<<locked>>	68%	33852	85%	**2	100%
Vihtavuori N320	<<locked>>	85%	34969	88%	**37	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	22365	56%	**3	100%
Vihtavuori N330	<<locked>>	89%	35650	89%	**93	100%
Vihtavuori N340 👍	<<locked>>	92%	35563	89%	**09	100%
Vihtavuori N350	<<locked>>	95%	31734	80%	**15	99%
Winchester 231	<<locked>>	74%	35201	88%	**60	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	14837	37%	**7	80%
ADI AP 70N	<<locked>>	61%	21161	53%	**2	100%
ADI APS 350	<<locked>>	62%	22510	56%	**7	100%
ADI APS 450	<<locked>>	61%	20682	52%	**4	100%
ADI AS 30	<<locked>>	62%	18898	47%	**7	100%
ADI AS 50N	<<locked>>	60%	19319	48%	**0	100%
Accurate No. 2	<<locked>>	62%	17361	44%	**0	95%
Accurate No. 5	<<locked>>	62%	25657	64%	**37	93%
[Accurate No. 7]*	<<locked>>	82%	26353	66%	**89	80%
Accurate Solo 1000	<<locked>>	61%	19087	48%	**0	100%
Accurate Solo 1250	<<locked>>	61%	14649	37%	**1	99%
Alliant BULLSEYE	<<locked>>	62%	20044	50%	**5	99%
[Alliant POWER PISTOL]*	<<locked>>	67%	16389	41%	**9	82%
Alliant UNIQUE	<<locked>>	62%	14736	37%	**7	96%
Baschieri & Pellagri 100	<<locked>>	61%	16897	42%	**0	100%
Hodgdon Clays	<<locked>>	62%	22626	57%	**1	100%
Hodgdon HP38	<<locked>>	61%	30603	77%	**10	100%
Hodgdon HS-6	<<locked>>	61%	20392	51%	**5	91%
Hodgdon Longshot	<<locked>>	61%	22727	57%	**8	95%
Hodgdon Universal	<<locked>>	62%	18043	45%	**3	100%
Lovex D036	<<locked>>	62%	25614	64%	**37	92%
[Lovex D037.1]*	<<locked>>	82%	26353	66%	**89	80%
Lovex S011	<<locked>>	60%	22814	57%	**6	100%
Lovex S020	<<locked>>	60%	16360	41%	**6	99%
Maxam CSB 1	<<locked>>	61%	14141	35%	**4	99%
Maxam CSB 2	<<locked>>	62%	13996	35%	**4	100%
Maxam CSB 3	<<locked>>	61%	16447	41%	**7	100%
Maxam CSB 4	<<locked>>	60%	17622	44%	**3	100%
Maxam CSB 5	<<locked>>	61%	20378	51%	**7	100%
Ramshot Silhouette	<<locked>>	61%	21147	53%	**1	98%
Ramshot True Blue	<<locked>>	61%	24134	61%	**04	96%
Ramshot Zip	<<locked>>	61%	29443	74%	**01	100%
ReloadSwiss RS 12	<<locked>>	61%	18956	48%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	12720	32%	**4	96%
[ReloadSwiss RS 24]*	<<locked>>	84%	23714	59%	**30	81%
Rottweil P 801	<<locked>>	62%	22902	57%	**2	100%
[Rottweil P 806]*	<<locked>>	73%	11182	28%	**6	82%
SNPE Vectan A0	<<locked>>	60%	13953	35%	**8	94%
SNPE Vectan BA 9	<<locked>>	61%	17289	43%	**7	99%
SNPE Vectan BA10	<<locked>>	61%	23148	58%	**7	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	60%	11371	29%	**5	82%
SNPE Vectan BA9 1/2	<<locked>>	61%	17027	43%	**6	100%
Shooters World Auto Pistol	<<locked>>	62%	25614	64%	**37	92%
[Shooters World Major Pistol]*	<<locked>>	82%	26353	66%	**89	80%
Somchem MP200	<<locked>>	62%	17419	44%	**9	96%
Somchem MS200	<<locked>>	61%	15679	39%	**0	97%
[Somchem S221]*	<<locked>>	63%	18898	47%	**2	81%
[Vihtavuori 3N37]*	<<locked>>	60%	12212	31%	**7	85%
[Vihtavuori 3N38]*	<<locked>>	92%	21045	53%	**8	80%
Vihtavuori N310	<<locked>>	60%	26977	68%	**9	100%
Vihtavuori N320	<<locked>>	62%	18289	46%	**6	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	10153	25%	**6	100%
Vihtavuori N330	<<locked>>	61%	15577	39%	**6	100%
Vihtavuori N340	<<locked>>	62%	14852	37%	**3	96%
[Vihtavuori N350]*	<<locked>>	61%	11516	29%	**4	84%
Winchester 231	<<locked>>	62%	24453	61%	**5	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