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Load data for .500 Special + .500 | 400gr | Sierra JSP

Recommended Powder(s): Rottweil P 806

.500 Special + .500 | 400gr | Sierra JSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.500 | 400gr | Sierra JSP
Manufacturer SKU:
5400
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.500" | 12.70mm
Bullet Length:
<<locked>>
Caliber:
.500 Special load data
Case Length (l3):
1.275" | 32.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Pistol Magnum (LPM)
Max. allowed Pressure:
25000 psi | 1724 bar
LID:
LID_B5986_C860
Last updated:
2026-05-29

Load data for 24 loads in caliber .500 Special with .500 | 400gr | Sierra JSP bullet and 12 powders such as Rottweil P 806. 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".

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  • 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.

    .

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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>>
72%
21857
87%
**2
97%
[Accurate No. 9]*
<<locked>>
66%
21944
88%
**4
82%
[Accurate TCM]*
<<locked>>
66%
22278
89%
**4
84%
[Alliant BLUE DOT]*
<<locked>>
74%
21988
88%
**1
87%
Alliant Herco
<<locked>>
69%
22292
89%
**9
100%
[Lovex D037.2]*
<<locked>>
66%
22350
89%
**1
83%
Rottweil P 806 👍
<<locked>>
67%
22249
89%
**7
100%
SNPE Vectan BA7 1/2
<<locked>>
64%
21466
86%
**2
99%
[Shooters World Heavy Pistol]*
<<locked>>
66%
22350
89%
**1
83%
Vihtavuori 3N38
<<locked>>
73%
22191
89%
**1
92%
Vihtavuori N105
<<locked>>
78%
21509
86%
**7
96%
Vihtavuori N350
<<locked>>
65%
22321
89%
**5
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
61%
16143
65%
**3
92%
[Accurate No. 9]*
<<locked>>
63%
20204
81%
**8
80%
[Accurate TCM]*
<<locked>>
61%
18797
75%
**2
81%
[Alliant BLUE DOT]*
<<locked>>
62%
15360
61%
**3
80%
Alliant Herco
<<locked>>
61%
18101
72%
**0
100%
[Lovex D037.2]*
<<locked>>
63%
20595
82%
**5
81%
Rottweil P 806
<<locked>>
61%
17941
72%
**5
98%
SNPE Vectan BA7 1/2
<<locked>>
61%
19493
78%
**6
99%
[Shooters World Heavy Pistol]*
<<locked>>
63%
20595
82%
**5
81%
[Vihtavuori 3N38]*
<<locked>>
61%
15142
61%
**3
85%
[Vihtavuori N105]*
<<locked>>
64%
13663
55%
**3
88%
Vihtavuori N350
<<locked>>
61%
20088
80%
**9
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

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