Load data for .45 Win. Mag. + .452 | 255gr | Rim Rock SWC Top Shelf

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.452 \| 255gr \| Rim Rock SWC Top Shelf
Manufacturer SKU:	#150
Bullet Weight:	255gr \| 16.5g
Bullet Diameter:	0.452" \| 11.48mm
Bullet Length:	<<locked>>
Caliber:	.45 Win. Mag. load data
Case Length (l3):	1.198" \| 30.4mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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_B10665_C740
Last updated:	2026-01-20

Load data for 126 loads in caliber .45 Win. Mag. with .452 | 255gr | Rim Rock SWC Top Shelf bullet and 63 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>>	95%	28500	71%	**35	95%
ADI AP 70N	<<locked>>	71%	34693	87%	**22	100%
ADI APS 350	<<locked>>	76%	35157	88%	**1	100%
ADI APS 450	<<locked>>	78%	35273	88%	**1	100%
ADI AS 30	<<locked>>	79%	33866	85%	**20	100%
ADI AS 50N	<<locked>>	76%	34301	86%	**66	100%
Accurate No. 2	<<locked>>	77%	34258	86%	**29	100%
Accurate No. 5	<<locked>>	64%	34534	87%	**14	98%
[Accurate No. 7]*	<<locked>>	82%	34809	87%	**66	89%
[Accurate No. 9]*	<<locked>>	91%	34853	87%	**50	82%
Accurate Solo 1000	<<locked>>	80%	35578	89%	**60	100%
Accurate Solo 1250	<<locked>>	84%	34287	86%	**02	100%
[Accurate TCM]*	<<locked>>	90%	34229	86%	**37	84%
[Alliant BLUE DOT]*	<<locked>>	96%	27122	68%	**45	84%
Alliant BULLSEYE	<<locked>>	75%	34954	88%	**71	100%
Alliant POWER PISTOL	<<locked>>	86%	35244	88%	**70	97%
Alliant Sport Pistol	<<locked>>	71%	35781	90%	**81	100%
Alliant UNIQUE	<<locked>>	85%	34330	86%	**75	100%
Baschieri & Pellagri 100	<<locked>>	81%	35781	90%	**70	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	31531	79%	**50	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	75%	33939	85%	**76	100%
Hodgdon Clays	<<locked>>	76%	35694	89%	**4	100%
Hodgdon HS-6 👍	<<locked>>	70%	34447	86%	**98	99%
Hodgdon Longshot	<<locked>>	68%	35650	89%	**07	100%
Hodgdon Universal	<<locked>>	77%	33446	84%	**12	100%
Hodgdon CFE Pistol	<<locked>>	82%	35317	89%	**29	100%
Lovex D036	<<locked>>	64%	34476	86%	**11	98%
[Lovex D037.1]*	<<locked>>	82%	34809	87%	**66	89%
Lovex S011	<<locked>>	69%	35215	88%	**83	100%
Lovex S020	<<locked>>	76%	33721	85%	**25	100%
Maxam CSB 1	<<locked>>	88%	34534	87%	**02	100%
Maxam CSB 2	<<locked>>	84%	33736	85%	**06	100%
Maxam CSB 3	<<locked>>	83%	34911	88%	**86	100%
Maxam CSB 4	<<locked>>	80%	34838	87%	**66	100%
Maxam CSB 5	<<locked>>	73%	33562	84%	**07	100%
Ramshot Silhouette	<<locked>>	71%	35607	89%	**84	100%
Ramshot True Blue	<<locked>>	66%	35273	88%	**98	100%
ReloadSwiss RS 12	<<locked>>	74%	34940	88%	**99	100%
ReloadSwiss RS 20	<<locked>>	87%	34461	86%	**75	100%
ReloadSwiss RS 24	<<locked>>	89%	35230	88%	**63	92%
Rottweil P 801	<<locked>>	68%	33953	85%	**63	100%
Rottweil P 806 👍	<<locked>>	95%	33953	85%	**93	100%
SNPE Vectan A0	<<locked>>	88%	35215	88%	**38	100%
SNPE Vectan BA 9	<<locked>>	79%	34490	86%	**06	100%
SNPE Vectan BA10	<<locked>>	71%	33997	85%	**1	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	93%	34142	86%	**75	100%
SNPE Vectan BA9 1/2	<<locked>>	81%	34664	87%	**15	100%
SNPE Vectan SP 2	<<locked>>	81%	33939	85%	**63	98%
Shooters World Auto Pistol	<<locked>>	64%	34476	86%	**11	98%
[Shooters World Major Pistol]*	<<locked>>	82%	34809	87%	**66	89%
Somchem MP200	<<locked>>	78%	34403	86%	**61	100%
Somchem MS200	<<locked>>	83%	34287	86%	**42	100%
Somchem S221	<<locked>>	75%	35346	89%	**37	95%
Vihtavuori 3N37	<<locked>>	86%	33895	85%	**98	100%
Vihtavuori 3N38	<<locked>>	96%	30342	76%	**84	90%
Vihtavuori N105	<<locked>>	95%	22611	57%	**19	90%
Vihtavuori N310	<<locked>>	64%	34621	87%	**1	100%
Vihtavuori N320	<<locked>>	78%	35418	89%	**79	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	28631	72%	**1	100%
Vihtavuori N330	<<locked>>	80%	34766	87%	**29	100%
Vihtavuori N340	<<locked>>	83%	33779	85%	**38	100%
Vihtavuori N350 👍	<<locked>>	90%	34563	87%	**98	100%
Winchester 231	<<locked>>	68%	35505	89%	**06	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	16882	42%	**5	86%
ADI AP 70N	<<locked>>	61%	25744	65%	**24	100%
ADI APS 350	<<locked>>	72%	32343	81%	**5	100%
ADI APS 450	<<locked>>	71%	30356	76%	**5	100%
ADI AS 30	<<locked>>	69%	26600	67%	**2	100%
ADI AS 50N	<<locked>>	61%	22916	57%	**2	100%
Accurate No. 2	<<locked>>	61%	20668	52%	**1	99%
Accurate No. 5	<<locked>>	61%	30429	76%	**61	97%
[Accurate No. 7]*	<<locked>>	69%	21466	54%	**63	80%
[Accurate No. 9]*	<<locked>>	88%	31082	78%	**98	80%
Accurate Solo 1000	<<locked>>	64%	23946	60%	**2	100%
Accurate Solo 1250	<<locked>>	64%	19479	49%	**9	100%
[Accurate TCM]*	<<locked>>	85%	28601	72%	**65	81%
[Alliant BLUE DOT]*	<<locked>>	91%	24265	61%	**99	81%
Alliant BULLSEYE	<<locked>>	61%	23917	60%	**27	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	16882	42%	**1	85%
Alliant Sport Pistol	<<locked>>	61%	27006	68%	**76	100%
Alliant UNIQUE	<<locked>>	60%	17434	44%	**5	99%
Baschieri & Pellagri 100	<<locked>>	67%	24236	61%	**5	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	81%	21915	55%	**2	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	21930	55%	**5	100%
Hodgdon Clays	<<locked>>	68%	30298	76%	**2	100%
Hodgdon HS-6	<<locked>>	61%	25237	63%	**73	97%
Hodgdon Longshot	<<locked>>	61%	27818	70%	**12	99%
Hodgdon Universal	<<locked>>	61%	21147	53%	**8	100%
Hodgdon CFE Pistol	<<locked>>	61%	20131	50%	**8	100%
Lovex D036	<<locked>>	61%	30385	76%	**61	97%
[Lovex D037.1]*	<<locked>>	69%	21466	54%	**63	80%
Lovex S011	<<locked>>	61%	27905	70%	**07	100%
Lovex S020	<<locked>>	61%	20900	52%	**1	100%
Maxam CSB 1	<<locked>>	67%	20320	51%	**8	100%
Maxam CSB 2	<<locked>>	64%	19348	49%	**2	100%
Maxam CSB 3	<<locked>>	65%	21828	55%	**2	100%
Maxam CSB 4	<<locked>>	64%	23496	59%	**8	100%
Maxam CSB 5	<<locked>>	64%	26034	65%	**8	100%
Ramshot Silhouette	<<locked>>	61%	25570	64%	**63	100%
Ramshot True Blue	<<locked>>	61%	29428	74%	**25	99%
ReloadSwiss RS 12	<<locked>>	61%	23554	59%	**8	100%
ReloadSwiss RS 20	<<locked>>	63%	17347	43%	**8	100%
[ReloadSwiss RS 24]*	<<locked>>	69%	19160	48%	**04	81%
Rottweil P 801	<<locked>>	61%	27311	68%	**8	100%
[Rottweil P 806]*	<<locked>>	68%	13445	34%	**2	89%
SNPE Vectan A0	<<locked>>	66%	19885	50%	**5	100%
SNPE Vectan BA 9	<<locked>>	61%	20943	53%	**8	100%
SNPE Vectan BA10	<<locked>>	65%	29196	73%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	69%	17854	45%	**8	93%
SNPE Vectan BA9 1/2	<<locked>>	62%	20668	52%	**8	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	17129	43%	**4	89%
Shooters World Auto Pistol	<<locked>>	61%	30385	76%	**61	97%
[Shooters World Major Pistol]*	<<locked>>	69%	21466	54%	**63	80%
Somchem MP200	<<locked>>	61%	21002	53%	**4	100%
Somchem MS200	<<locked>>	61%	19014	48%	**2	100%
[Somchem S221]*	<<locked>>	61%	22017	55%	**43	88%
Vihtavuori 3N37	<<locked>>	63%	16969	43%	**8	94%
[Vihtavuori 3N38]*	<<locked>>	78%	18231	46%	**1	81%
[Vihtavuori N105]*	<<locked>>	81%	15098	38%	**1	81%
Vihtavuori N310	<<locked>>	61%	31778	80%	**5	100%
Vihtavuori N320	<<locked>>	63%	23351	59%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	92%	26774	67%	**2	100%
Vihtavuori N330	<<locked>>	61%	19624	49%	**5	100%
Vihtavuori N340	<<locked>>	61%	18057	45%	**5	99%
Vihtavuori N350	<<locked>>	66%	16737	42%	**2	94%
Winchester 231	<<locked>>	61%	28543	72%	**30	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