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Load data for 9 x 18 (Ultra) + .357 | 125gr | Hornady XTP

Recommended Powder(s):

9 x 18 (Ultra) + .357 | 125gr | Hornady XTP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 125gr | Hornady XTP
Manufacturer SKU:
35710
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
<<locked>>
Caliber:
9 x 18 (Ultra) load data
Case Length (l3):
0.705" | 17.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
12.6 Grains of Water | 0.82 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
26107 psi | 1800 bar
LID:
LID_B2779_C1230
Last updated:
2026-01-20

Load data for 32 loads in caliber 9 x 18 (Ultra) with .357 | 125gr | Hornady XTP bullet and 16 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".

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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 70N 👍
<<locked>>
81%
22626
87%
**1
99%
Accurate Solo 1250
<<locked>>
97%
22945
88%
**2
99%
Alliant BULLSEYE
<<locked>>
83%
22452
86%
**8
94%
Alliant Sport Pistol
<<locked>>
78%
23366
90%
**8
94%
Alliant UNIQUE
<<locked>>
97%
21466
82%
**5
93%
[Hodgdon HS-6]*
<<locked>>
81%
23119
89%
**5
82%
[Hodgdon Longshot]*
<<locked>>
78%
23293
89%
**8
85%
Hodgdon Universal 👍
<<locked>>
90%
22626
87%
**1
99%
Ramshot Silhouette
<<locked>>
80%
22321
85%
**8
90%
[Ramshot True Blue]*
<<locked>>
76%
23032
88%
**5
85%
ReloadSwiss RS 12 👍
<<locked>>
91%
23482
90%
**4
100%
Rottweil P 801
<<locked>>
80%
22423
86%
**5
100%
SNPE Vectan BA9 1/2
<<locked>>
92%
23105
89%
**8
98%
Shooters World Ultimate Pistol
<<locked>>
62%
23453
90%
**4
95%
Somchem MS200
<<locked>>
93%
22568
86%
**2
94%
Vihtavuori N330 👍
<<locked>>
95%
22989
88%
**4
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 70N
<<locked>>
77%
20160
77%
**2
98%
Accurate Solo 1250
<<locked>>
94%
21596
83%
**2
98%
Alliant BULLSEYE
<<locked>>
78%
20233
78%
**2
93%
Alliant Sport Pistol
<<locked>>
74%
20711
79%
**8
92%
Alliant UNIQUE
<<locked>>
92%
19276
74%
**5
91%
[Hodgdon HS-6]*
<<locked>>
78%
20900
80%
**5
80%
[Hodgdon Longshot]*
<<locked>>
74%
20349
78%
**9
82%
Hodgdon Universal
<<locked>>
85%
20160
77%
**2
98%
[Ramshot Silhouette]*
<<locked>>
77%
20175
77%
**2
89%
[Ramshot True Blue]*
<<locked>>
73%
21103
81%
**5
83%
ReloadSwiss RS 12
<<locked>>
82%
18507
71%
**8
100%
Rottweil P 801
<<locked>>
78%
21074
81%
**8
100%
SNPE Vectan BA9 1/2
<<locked>>
89%
21814
84%
**8
98%
Shooters World Ultimate Pistol
<<locked>>
60%
22423
86%
**8
95%
Somchem MS200
<<locked>>
91%
21582
83%
**5
94%
Vihtavuori N330
<<locked>>
89%
19334
74%
**8
99%

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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