Load data for .454 Casull Magnum + .451 | 185gr | Speer TMJ-FN

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.451 \| 185gr \| Speer TMJ-FN
Manufacturer SKU:	4476
Bullet Weight:	185gr \| 12.0g
Bullet Diameter:	0.451" \| 11.46mm
Bullet Length:	0.540" \| 13.7mm
Caliber:	.454 Casull Magnum load data
Case Length (l3):	1.398" \| 35.5mm
Cartridge Length (C.O.L.):	1.739" \| 44.2mm
Seated Depth:	0.199" \| 5.1mm
Shank Seated Depth:	0.199" \| 5.1mm
Case Capacity:	46.8 Grains of Water \| 3.04 cm³
Primer Size:	Large Pistol Magnum (LPM)
Max. allowed Pressure:	56565 psi \| 3900 bar
LID:	LID_B6282_C777
Last updated:	2025-09-27

Load data for 134 loads in caliber .454 Casull Magnum with .451 | 185gr | Speer TMJ-FN bullet and 67 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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%	41742	74%	**39	99%
ADI AP 70N	<<locked>>	75%	49429	87%	**99	100%
ADI APS 350	<<locked>>	87%	49313	87%	**03	100%
ADI APS 450	<<locked>>	88%	49676	88%	**39	100%
ADI AS 30	<<locked>>	90%	50821	90%	**08	100%
ADI AS 50N	<<locked>>	83%	49850	88%	**37	100%
Accurate No. 2	<<locked>>	81%	49647	88%	**32	100%
Accurate No. 5	<<locked>>	66%	49908	88%	**57	100%
Accurate No. 7	<<locked>>	80%	49879	88%	**06	96%
Accurate No. 9	<<locked>>	89%	50096	89%	**03	91%
Accurate Solo 1000	<<locked>>	87%	50633	90%	**34	100%
Accurate Solo 1250	<<locked>>	90%	50227	89%	**93	100%
Accurate TCM	<<locked>>	89%	49676	88%	**93	92%
[Alliant 2400]*	<<locked>>	96%	44106	78%	**37	86%
Alliant BLUE DOT	<<locked>>	96%	39885	71%	**65	92%
Alliant BULLSEYE	<<locked>>	79%	50502	89%	**81	100%
Alliant POWER PISTOL	<<locked>>	87%	50792	90%	**16	100%
Alliant UNIQUE	<<locked>>	89%	49835	88%	**81	100%
Baschieri & Pellagri 100	<<locked>>	85%	49313	87%	**11	100%
Hodgdon Clays	<<locked>>	87%	50734	90%	**35	100%
Hodgdon HP38	<<locked>>	64%	50285	89%	**70	100%
Hodgdon HS-6	<<locked>>	72%	50067	89%	**18	100%
Hodgdon Longshot	<<locked>>	69%	50430	89%	**04	100%
Hodgdon Universal	<<locked>>	83%	49429	87%	**99	100%
Hodgdon CFE Pistol	<<locked>>	85%	50111	89%	**96	100%
Hodgdon TrailBoss	<<locked>>	95%	16679	29%	**96	100%
Lovex D036	<<locked>>	66%	49850	88%	**57	100%
Lovex D037.1	<<locked>>	80%	49879	88%	**06	96%
Lovex D037.2	<<locked>>	87%	49661	88%	**90	91%
Lovex S011	<<locked>>	74%	50038	88%	**54	100%
Lovex S020	<<locked>>	79%	49487	87%	**19	100%
Maxam CSB 1	<<locked>>	93%	49748	88%	**77	100%
Maxam CSB 2	<<locked>>	89%	50821	90%	**83	100%
Maxam CSB 3	<<locked>>	89%	50314	89%	**57	100%
Maxam CSB 4	<<locked>>	87%	50836	90%	**40	100%
Maxam CSB 5	<<locked>>	83%	50894	90%	**81	100%
[Ramshot Enforcer]*	<<locked>>	96%	44251	78%	**31	86%
Ramshot Silhouette	<<locked>>	73%	50009	88%	**78	100%
Ramshot True Blue	<<locked>>	67%	49400	87%	**91	100%
Ramshot Zip	<<locked>>	64%	49661	88%	**77	100%
ReloadSwiss RS 12	<<locked>>	78%	50386	89%	**70	100%
ReloadSwiss RS 14	<<locked>>	97%	15853	28%	**06	100%
ReloadSwiss RS 20 👍	<<locked>>	90%	50444	89%	**62	100%
ReloadSwiss RS 24	<<locked>>	88%	50125	89%	**96	97%
Rottweil P 801	<<locked>>	73%	49647	88%	**14	100%
Rottweil P 806 👍	<<locked>>	91%	49937	88%	**67	100%
SNPE Vectan A0	<<locked>>	92%	49792	88%	**26	100%
SNPE Vectan BA 9	<<locked>>	85%	50415	89%	**96	100%
SNPE Vectan BA10	<<locked>>	83%	50531	89%	**52	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	97%	50473	89%	**95	100%
SNPE Vectan BA9 1/2	<<locked>>	86%	50575	89%	**06	100%
Shooters World Auto Pistol	<<locked>>	66%	49850	88%	**57	100%
Shooters World Heavy Pistol	<<locked>>	87%	49661	88%	**90	91%
Shooters World Major Pistol	<<locked>>	80%	49879	88%	**06	96%
Somchem MP200	<<locked>>	82%	50314	89%	**68	100%
Somchem MS200	<<locked>>	87%	49617	88%	**32	100%
Somchem S221	<<locked>>	75%	50618	89%	**77	99%
Vihtavuori 3N37 👍	<<locked>>	88%	49777	88%	**21	100%
Vihtavuori 3N38	<<locked>>	97%	46905	83%	**50	97%
Vihtavuori N105	<<locked>>	97%	38638	68%	**78	98%
Vihtavuori N310	<<locked>>	71%	50067	89%	**45	100%
Vihtavuori N320	<<locked>>	82%	49081	87%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	37579	66%	**07	100%
Vihtavuori N330	<<locked>>	83%	50865	90%	**96	100%
Vihtavuori N340	<<locked>>	87%	50546	89%	**45	100%
Vihtavuori N350 👍	<<locked>>	91%	49371	87%	**91	100%
Winchester 231	<<locked>>	71%	49661	88%	**77	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	15476	27%	**84	85%
ADI AP 70N	<<locked>>	61%	34200	60%	**03	100%
ADI APS 350	<<locked>>	61%	29196	52%	**47	100%
ADI APS 450	<<locked>>	61%	27905	49%	**57	100%
ADI AS 30	<<locked>>	61%	27050	48%	**89	100%
ADI AS 50N	<<locked>>	61%	28921	51%	**68	100%
Accurate No. 2	<<locked>>	61%	27035	48%	**14	100%
Accurate No. 5	<<locked>>	61%	41829	74%	**39	100%
[Accurate No. 7]*	<<locked>>	61%	24236	43%	**63	83%
[Accurate No. 9]*	<<locked>>	73%	28979	51%	**49	80%
Accurate Solo 1000	<<locked>>	61%	27209	48%	**22	100%
Accurate Solo 1250	<<locked>>	61%	23482	42%	**19	100%
[Accurate TCM]*	<<locked>>	71%	26963	48%	**12	81%
[Alliant 2400]*	<<locked>>	88%	34171	60%	**67	80%
[Alliant BLUE DOT]*	<<locked>>	76%	22800	40%	**17	81%
Alliant BULLSEYE	<<locked>>	61%	30893	55%	**09	100%
Alliant POWER PISTOL	<<locked>>	61%	23351	41%	**34	91%
Alliant UNIQUE	<<locked>>	61%	23902	42%	**88	100%
Baschieri & Pellagri 100	<<locked>>	61%	26005	46%	**12	100%
Hodgdon Clays	<<locked>>	61%	29704	53%	**70	100%
Hodgdon HP38	<<locked>>	61%	45774	81%	**17	100%
Hodgdon HS-6	<<locked>>	61%	34969	62%	**14	100%
Hodgdon Longshot	<<locked>>	61%	38595	68%	**57	100%
Hodgdon Universal	<<locked>>	61%	28297	50%	**11	100%
Hodgdon CFE Pistol	<<locked>>	61%	26469	47%	**85	100%
Hodgdon TrailBoss	<<locked>>	62%	8369	15%	**0	100%
Lovex D036	<<locked>>	61%	41771	74%	**39	100%
[Lovex D037.1]*	<<locked>>	61%	24236	43%	**63	83%
[Lovex D037.2]*	<<locked>>	72%	28427	50%	**45	80%
Lovex S011	<<locked>>	61%	34867	62%	**70	100%
Lovex S020	<<locked>>	61%	28181	50%	**34	100%
Maxam CSB 1	<<locked>>	61%	22481	40%	**86	100%
Maxam CSB 2	<<locked>>	61%	24308	43%	**32	100%
Maxam CSB 3	<<locked>>	61%	25077	44%	**22	100%
Maxam CSB 4	<<locked>>	61%	27253	48%	**29	100%
Maxam CSB 5	<<locked>>	61%	30298	54%	**32	100%
[Ramshot Enforcer]*	<<locked>>	88%	32982	58%	**57	81%
Ramshot Silhouette	<<locked>>	61%	34360	61%	**68	100%
Ramshot True Blue	<<locked>>	61%	40205	71%	**80	100%
Ramshot Zip	<<locked>>	61%	45150	80%	**27	100%
ReloadSwiss RS 12	<<locked>>	61%	32068	57%	**40	100%
ReloadSwiss RS 14	<<locked>>	62%	7760	14%	**3	99%
ReloadSwiss RS 20	<<locked>>	61%	22684	40%	**55	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	20972	37%	**62	83%
Rottweil P 801	<<locked>>	61%	35578	63%	**47	100%
Rottweil P 806	<<locked>>	61%	17216	30%	**93	91%
SNPE Vectan A0	<<locked>>	61%	22524	40%	**16	100%
SNPE Vectan BA 9	<<locked>>	61%	26745	47%	**78	100%
SNPE Vectan BA10	<<locked>>	61%	30951	55%	**02	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	19247	34%	**73	95%
SNPE Vectan BA9 1/2	<<locked>>	61%	26194	46%	**65	100%
Shooters World Auto Pistol	<<locked>>	61%	41771	74%	**39	100%
[Shooters World Heavy Pistol]*	<<locked>>	72%	28427	50%	**45	80%
[Shooters World Major Pistol]*	<<locked>>	61%	24236	43%	**63	83%
Somchem MP200	<<locked>>	61%	27760	49%	**57	100%
Somchem MS200	<<locked>>	61%	24758	44%	**71	100%
Somchem S221	<<locked>>	61%	30922	55%	**81	94%
Vihtavuori 3N37	<<locked>>	61%	22278	39%	**78	98%
[Vihtavuori 3N38]*	<<locked>>	65%	17738	31%	**63	80%
[Vihtavuori N105]*	<<locked>>	68%	15084	27%	**30	80%
Vihtavuori N310	<<locked>>	61%	38493	68%	**07	100%
Vihtavuori N320	<<locked>>	61%	28601	51%	**58	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16433	29%	**70	100%
Vihtavuori N330	<<locked>>	61%	26890	48%	**91	100%
Vihtavuori N340	<<locked>>	61%	24410	43%	**68	100%
Vihtavuori N350	<<locked>>	61%	20378	36%	**22	97%
Winchester 231	<<locked>>	61%	36941	65%	**26	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.