Load data for .45 Win. Mag. + .451 | 300gr | Sierra JSP FN

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.451 \| 300gr \| Sierra JSP FN
Manufacturer SKU:	8830
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.451" \| 11.46mm
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_B5983_C740
Last updated:	2026-01-31

Load data for 130 loads in caliber .45 Win. Mag. with .451 | 300gr | Sierra JSP FN bullet and 65 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 "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>>	95%	32793	82%	**93	98%
ADI AP 70N	<<locked>>	66%	33837	85%	**07	100%
ADI APS 350	<<locked>>	72%	34461	86%	**3	100%
ADI APS 450	<<locked>>	74%	34969	88%	**6	100%
ADI AS 30	<<locked>>	75%	34345	86%	**5	100%
ADI AS 50N	<<locked>>	73%	35230	88%	**1	100%
Accurate No. 2	<<locked>>	74%	35505	89%	**40	100%
Accurate No. 7	<<locked>>	78%	35679	89%	**75	93%
[Accurate No. 9]*	<<locked>>	86%	34592	87%	**55	86%
Accurate Solo 1000	<<locked>>	73%	33344	84%	**2	100%
Accurate Solo 1250	<<locked>>	81%	35824	90%	**10	100%
[Accurate TCM]*	<<locked>>	85%	33721	85%	**38	87%
[Alliant 2400]*	<<locked>>	97%	33779	85%	**58	83%
Alliant BE-86	<<locked>>	79%	35201	88%	**01	100%
Alliant BLUE DOT	<<locked>>	95%	31589	79%	**12	90%
Alliant BULLSEYE	<<locked>>	69%	33591	84%	**50	100%
Alliant Herco 👍	<<locked>>	94%	33968	85%	**60	100%
Alliant POWER PISTOL	<<locked>>	81%	35621	89%	**61	99%
Alliant Sport Pistol	<<locked>>	66%	34737	87%	**60	100%
Alliant UNIQUE	<<locked>>	81%	35056	88%	**70	100%
Baschieri & Pellagri 100	<<locked>>	75%	34011	85%	**1	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	34200	86%	**8	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	35897	90%	**1	100%
Hodgdon Clays	<<locked>>	72%	35041	88%	**9	100%
Hodgdon HS-6	<<locked>>	66%	34621	87%	**96	100%
Hodgdon Longshot	<<locked>>	63%	35027	88%	**93	100%
Hodgdon Universal	<<locked>>	74%	34940	88%	**17	100%
Hodgdon CFE Pistol	<<locked>>	76%	35143	88%	**17	100%
Lovex D037.1	<<locked>>	78%	35679	89%	**75	93%
[Lovex D037.2]*	<<locked>>	84%	33736	85%	**42	86%
Lovex S011	<<locked>>	64%	33431	84%	**1	100%
Lovex S020	<<locked>>	74%	35563	89%	**37	100%
Maxam CSB 1	<<locked>>	85%	35810	90%	**07	100%
Maxam CSB 2	<<locked>>	81%	35853	90%	**10	100%
Maxam CSB 3	<<locked>>	77%	33359	84%	**8	100%
Maxam CSB 4	<<locked>>	76%	35810	90%	**1	100%
Maxam CSB 5	<<locked>>	71%	35128	88%	**5	100%
[Ramshot Enforcer]*	<<locked>>	96%	31546	79%	**45	83%
Ramshot Silhouette	<<locked>>	67%	35360	89%	**76	100%
Ramshot True Blue	<<locked>>	62%	35389	89%	**93	100%
ReloadSwiss RS 12	<<locked>>	68%	34432	86%	**4	100%
ReloadSwiss RS 20	<<locked>>	82%	34301	86%	**60	100%
ReloadSwiss RS 24	<<locked>>	83%	34156	86%	**45	94%
Rottweil P 801	<<locked>>	64%	34185	86%	**8	100%
Rottweil P 806	<<locked>>	89%	35085	88%	**84	100%
SNPE Vectan A0	<<locked>>	82%	34461	86%	**24	100%
SNPE Vectan BA 9	<<locked>>	76%	35708	90%	**14	100%
SNPE Vectan BA10	<<locked>>	68%	33663	84%	**6	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	34200	86%	**73	100%
SNPE Vectan BA9 1/2	<<locked>>	75%	33736	85%	**01	100%
SNPE Vectan SP 2 👍	<<locked>>	75%	33968	85%	**48	99%
[Shooters World Heavy Pistol]*	<<locked>>	84%	33736	85%	**42	86%
Shooters World Major Pistol	<<locked>>	78%	35679	89%	**75	93%
Somchem MP200	<<locked>>	73%	33794	85%	**53	100%
Somchem MS200	<<locked>>	80%	35781	90%	**50	100%
Somchem S221	<<locked>>	69%	34490	86%	**29	97%
Vihtavuori 3N37 👍	<<locked>>	81%	34171	86%	**96	100%
Vihtavuori 3N38	<<locked>>	95%	35360	89%	**52	96%
Vihtavuori N105	<<locked>>	97%	29167	73%	**29	97%
Vihtavuori N320	<<locked>>	74%	35462	89%	**1	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	31038	78%	**6	100%
Vihtavuori N330	<<locked>>	74%	34142	86%	**10	100%
Vihtavuori N340	<<locked>>	80%	35505	89%	**50	100%
Vihtavuori N350 👍	<<locked>>	85%	34722	87%	**93	100%
Winchester 231	<<locked>>	63%	34200	86%	**1	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	66%	15708	39%	**3	89%
ADI AP 70N	<<locked>>	61%	29356	74%	**1	100%
ADI APS 350	<<locked>>	68%	31749	80%	**0	100%
ADI APS 450	<<locked>>	64%	27717	70%	**7	100%
ADI AS 30	<<locked>>	61%	24671	62%	**7	100%
ADI AS 50N	<<locked>>	61%	25730	64%	**3	100%
Accurate No. 2	<<locked>>	61%	23482	59%	**6	100%
[Accurate No. 7]*	<<locked>>	61%	19522	49%	**5	82%
[Accurate No. 9]*	<<locked>>	77%	26092	65%	**40	81%
Accurate Solo 1000	<<locked>>	60%	24149	61%	**3	100%
Accurate Solo 1250	<<locked>>	60%	20262	51%	**0	100%
[Accurate TCM]*	<<locked>>	74%	23830	60%	**01	81%
[Alliant 2400]*	<<locked>>	93%	30414	76%	**19	81%
Alliant BE-86	<<locked>>	61%	21480	54%	**6	100%
[Alliant BLUE DOT]*	<<locked>>	78%	19841	50%	**5	81%
Alliant BULLSEYE	<<locked>>	61%	26774	67%	**8	100%
Alliant Herco	<<locked>>	66%	17361	44%	**7	100%
Alliant POWER PISTOL	<<locked>>	61%	19682	49%	**2	92%
Alliant Sport Pistol	<<locked>>	61%	30052	75%	**10	100%
Alliant UNIQUE	<<locked>>	62%	21031	53%	**9	100%
Baschieri & Pellagri 100	<<locked>>	60%	22785	57%	**7	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	74%	20668	52%	**0	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	24787	62%	**6	100%
Hodgdon Clays	<<locked>>	65%	29689	74%	**0	100%
Hodgdon HS-6	<<locked>>	61%	28805	72%	**30	99%
Hodgdon Longshot	<<locked>>	61%	32880	82%	**73	100%
Hodgdon Universal	<<locked>>	60%	24149	61%	**9	100%
Hodgdon CFE Pistol	<<locked>>	61%	22931	57%	**6	100%
[Lovex D037.1]*	<<locked>>	61%	19522	49%	**5	82%
[Lovex D037.2]*	<<locked>>	76%	25396	64%	**30	80%
Lovex S011	<<locked>>	61%	30821	77%	**2	100%
Lovex S020	<<locked>>	61%	24047	60%	**5	100%
Maxam CSB 1	<<locked>>	61%	19595	49%	**7	100%
Maxam CSB 2	<<locked>>	61%	20769	52%	**3	100%
Maxam CSB 3	<<locked>>	61%	22597	57%	**0	100%
Maxam CSB 4	<<locked>>	61%	24033	60%	**0	100%
Maxam CSB 5	<<locked>>	62%	27644	69%	**3	100%
[Ramshot Enforcer]*	<<locked>>	92%	27978	70%	**99	80%
Ramshot Silhouette	<<locked>>	61%	29008	73%	**07	100%
Ramshot True Blue	<<locked>>	61%	33214	83%	**73	100%
ReloadSwiss RS 12	<<locked>>	61%	27311	68%	**5	100%
ReloadSwiss RS 20	<<locked>>	60%	18521	46%	**9	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	17231	43%	**3	83%
Rottweil P 801	<<locked>>	62%	31894	80%	**5	100%
Rottweil P 806	<<locked>>	61%	13300	33%	**6	92%
SNPE Vectan A0	<<locked>>	60%	19160	48%	**0	100%
SNPE Vectan BA 9	<<locked>>	61%	23540	59%	**3	100%
SNPE Vectan BA10	<<locked>>	61%	28776	72%	**0	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	16563	42%	**3	95%
SNPE Vectan BA9 1/2	<<locked>>	61%	23235	58%	**6	100%
SNPE Vectan SP 2	<<locked>>	61%	21393	54%	**8	95%
[Shooters World Heavy Pistol]*	<<locked>>	76%	25396	64%	**30	80%
[Shooters World Major Pistol]*	<<locked>>	61%	19522	49%	**5	82%
Somchem MP200	<<locked>>	61%	23931	60%	**5	100%
Somchem MS200	<<locked>>	61%	21524	54%	**6	100%
Somchem S221	<<locked>>	61%	25715	64%	**10	93%
Vihtavuori 3N37	<<locked>>	61%	18405	46%	**9	97%
[Vihtavuori 3N38]*	<<locked>>	65%	14605	37%	**3	81%
[Vihtavuori N105]*	<<locked>>	72%	13924	35%	**6	84%
Vihtavuori N320	<<locked>>	62%	25396	64%	**6	100%
Vihtavuori N32C Tin Star	<<locked>>	87%	27006	68%	**0	100%
Vihtavuori N330	<<locked>>	61%	22756	57%	**9	100%
Vihtavuori N340	<<locked>>	61%	20871	52%	**9	100%
Vihtavuori N350	<<locked>>	61%	16737	42%	**0	97%
Winchester 231	<<locked>>	61%	31850	80%	**8	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