Load data for .45 Win. Mag. + .451 | 260gr | MAGTECH FMJ Flat

Recommended Powder(s): ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.451 \| 260gr \| MAGTECH FMJ Flat
Manufacturer SKU:	BU454B
Bullet Weight:	260gr \| 16.8g
Bullet Diameter:	0.451" \| 11.46mm
Bullet Length:	0.709" \| 18.0mm
Caliber:	.45 Win. Mag. load data
Case Length (l3):	1.198" \| 30.4mm
Cartridge Length (C.O.L.):	1.551" \| 39.4mm
Seated Depth:	0.356" \| 9.0mm
Shank Seated Depth:	0.356" \| 9.0mm
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_B10945_C740
Last updated:	2025-08-15

Load data for 112 loads in caliber .45 Win. Mag. with .451 | 260gr | MAGTECH FMJ Flat bullet and 56 powders such as ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N350. 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>>	92%	34461	86%	**50	99%
ADI AP 70N	<<locked>>	63%	34882	87%	**38	100%
ADI APS 350	<<locked>>	70%	34592	87%	**4	100%
ADI APS 450	<<locked>>	72%	35099	88%	**17	100%
ADI AS 30	<<locked>>	73%	35186	88%	**53	100%
ADI AS 50N	<<locked>>	68%	34461	86%	**83	100%
Accurate No. 2	<<locked>>	71%	35505	89%	**75	100%
Accurate No. 7	<<locked>>	73%	35143	88%	**06	92%
[Accurate No. 9]*	<<locked>>	81%	34505	87%	**83	86%
Accurate Solo 1000	<<locked>>	71%	34664	87%	**76	100%
Accurate Solo 1250	<<locked>>	76%	34534	87%	**29	100%
[Accurate TCM]*	<<locked>>	82%	35404	89%	**96	88%
[Alliant 2400]*	<<locked>>	92%	35273	88%	**22	83%
Alliant BLUE DOT	<<locked>>	94%	34751	87%	**93	91%
Alliant BULLSEYE	<<locked>>	67%	34896	87%	**94	100%
Alliant POWER PISTOL	<<locked>>	77%	35346	89%	**99	99%
Alliant UNIQUE	<<locked>>	77%	35578	89%	**07	100%
Baschieri & Pellagri 100	<<locked>>	73%	35665	89%	**89	100%
Hodgdon Clays	<<locked>>	70%	35114	88%	**7	100%
Hodgdon Universal	<<locked>>	69%	34882	87%	**38	100%
Hodgdon CFE Pistol	<<locked>>	71%	34360	86%	**38	100%
Hodgdon TrailBoss	<<locked>>	94%	17318	43%	**0	100%
Lovex D037.1	<<locked>>	73%	35143	88%	**06	92%
[Lovex D037.2]*	<<locked>>	81%	34969	88%	**99	86%
Lovex S011	<<locked>>	63%	35027	88%	**09	100%
Lovex S020	<<locked>>	69%	35041	88%	**65	100%
Maxam CSB 1	<<locked>>	80%	35447	89%	**35	100%
Maxam CSB 2	<<locked>>	74%	34287	86%	**22	100%
Maxam CSB 3	<<locked>>	74%	34156	86%	**99	100%
Maxam CSB 4	<<locked>>	71%	34505	87%	**83	100%
Maxam CSB 5	<<locked>>	66%	33707	85%	**33	100%
[Ramshot Enforcer]*	<<locked>>	94%	35882	90%	**39	85%
Ramshot Silhouette	<<locked>>	63%	34330	86%	**98	100%
ReloadSwiss RS 12	<<locked>>	66%	35636	89%	**19	100%
ReloadSwiss RS 14	<<locked>>	95%	16317	41%	**3	100%
ReloadSwiss RS 20	<<locked>>	78%	35259	88%	**01	100%
ReloadSwiss RS 24	<<locked>>	80%	35549	89%	**02	95%
Rottweil P 806 👍	<<locked>>	83%	35317	89%	**16	100%
SNPE Vectan A0	<<locked>>	78%	34214	86%	**55	100%
SNPE Vectan BA 9	<<locked>>	71%	34534	87%	**32	100%
SNPE Vectan BA10	<<locked>>	66%	33910	85%	**10	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	84%	34664	87%	**17	100%
SNPE Vectan BA9 1/2	<<locked>>	72%	34563	87%	**35	100%
[Shooters World Heavy Pistol]*	<<locked>>	81%	34969	88%	**99	86%
Shooters World Major Pistol	<<locked>>	73%	35143	88%	**06	92%
Somchem MP200	<<locked>>	70%	34809	87%	**94	100%
Somchem MS200	<<locked>>	76%	35839	90%	**81	100%
Somchem S221	<<locked>>	66%	35636	89%	**73	97%
Vihtavuori 3N37	<<locked>>	78%	35578	89%	**47	100%
Vihtavuori 3N38	<<locked>>	90%	35650	89%	**86	95%
Vihtavuori N105	<<locked>>	97%	34330	86%	**29	98%
Vihtavuori N320	<<locked>>	69%	34330	86%	**86	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	35375	89%	**30	100%
Vihtavuori N330	<<locked>>	72%	35201	88%	**48	100%
Vihtavuori N340	<<locked>>	76%	35766	90%	**81	100%
Vihtavuori N350 👍	<<locked>>	81%	34795	87%	**27	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	16027	40%	**9	88%
ADI AP 70N	<<locked>>	61%	32938	83%	**19	100%
ADI APS 350	<<locked>>	61%	28297	71%	**5	100%
ADI APS 450	<<locked>>	61%	27412	69%	**2	100%
ADI AS 30	<<locked>>	62%	27296	68%	**1	100%
ADI AS 50N	<<locked>>	61%	28471	71%	**17	100%
Accurate No. 2	<<locked>>	61%	25889	65%	**56	100%
[Accurate No. 7]*	<<locked>>	61%	23090	58%	**12	85%
[Accurate No. 9]*	<<locked>>	73%	26440	66%	**61	81%
Accurate Solo 1000	<<locked>>	61%	26948	68%	**8	100%
Accurate Solo 1250	<<locked>>	62%	23830	60%	**4	100%
[Accurate TCM]*	<<locked>>	69%	23685	59%	**15	80%
[Alliant 2400]*	<<locked>>	88%	30763	77%	**50	80%
[Alliant BLUE DOT]*	<<locked>>	71%	19653	49%	**24	80%
Alliant BULLSEYE	<<locked>>	61%	29312	73%	**25	100%
Alliant POWER PISTOL	<<locked>>	61%	22365	56%	**86	93%
Alliant UNIQUE	<<locked>>	61%	24033	60%	**53	100%
Baschieri & Pellagri 100	<<locked>>	62%	26339	66%	**8	100%
Hodgdon Clays	<<locked>>	61%	28587	72%	**8	100%
Hodgdon Universal	<<locked>>	61%	27688	69%	**53	100%
Hodgdon CFE Pistol	<<locked>>	61%	26136	66%	**33	100%
Hodgdon TrailBoss	<<locked>>	65%	10530	26%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	23090	58%	**12	85%
[Lovex D037.2]*	<<locked>>	71%	25657	64%	**55	80%
Lovex S011	<<locked>>	60%	33098	83%	**86	100%
Lovex S020	<<locked>>	61%	27615	69%	**73	100%
Maxam CSB 1	<<locked>>	61%	21959	55%	**5	100%
Maxam CSB 2	<<locked>>	60%	23989	60%	**4	100%
Maxam CSB 3	<<locked>>	61%	25237	63%	**8	100%
Maxam CSB 4	<<locked>>	61%	26861	67%	**4	100%
Maxam CSB 5	<<locked>>	61%	29689	74%	**8	100%
[Ramshot Enforcer]*	<<locked>>	87%	28790	72%	**40	81%
Ramshot Silhouette	<<locked>>	61%	32590	82%	**78	100%
ReloadSwiss RS 12	<<locked>>	61%	31952	80%	**76	100%
ReloadSwiss RS 14	<<locked>>	62%	9471	24%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	22292	56%	**27	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	20088	50%	**40	85%
Rottweil P 806	<<locked>>	61%	17506	44%	**24	95%
SNPE Vectan A0	<<locked>>	61%	21698	54%	**4	100%
SNPE Vectan BA 9	<<locked>>	61%	26179	66%	**30	100%
SNPE Vectan BA10	<<locked>>	61%	30197	76%	**8	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18942	47%	**8	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	26121	65%	**30	100%
[Shooters World Heavy Pistol]*	<<locked>>	71%	25657	64%	**55	80%
[Shooters World Major Pistol]*	<<locked>>	61%	23090	58%	**12	85%
Somchem MP200	<<locked>>	61%	26716	67%	**89	100%
Somchem MS200	<<locked>>	61%	24395	61%	**30	100%
Somchem S221	<<locked>>	61%	29950	75%	**94	95%
Vihtavuori 3N37	<<locked>>	61%	22031	55%	**50	99%
[Vihtavuori 3N38]*	<<locked>>	61%	15577	39%	**8	81%
[Vihtavuori N105]*	<<locked>>	62%	13053	33%	**9	81%
Vihtavuori N320	<<locked>>	61%	28340	71%	**17	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	17361	44%	**4	100%
Vihtavuori N330	<<locked>>	61%	26049	65%	**40	100%
Vihtavuori N340	<<locked>>	61%	23656	59%	**27	100%
Vihtavuori N350	<<locked>>	61%	20015	50%	**07	98%

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