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Load data for 9 x 18 (Ultra) + .356 | 100gr | Berry's Flat Base Round Nose

Recommended Powder(s):

9 x 18 (Ultra) + .356 | 100gr | Berry's Flat Base Round Nose

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.356 | 100gr | Berry's Flat Base Round Nose
Manufacturer SKU:
bp-380-356-100gr-fbrn
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.356" | 9.04mm
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_B10778_C1230
Last updated:
2026-01-20

Load data for 22 loads in caliber 9 x 18 (Ultra) with .356 | 100gr | Berry's Flat Base Round Nose bullet and 11 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>>
97%
20769
80%
**4
93%
[Alliant BULLSEYE]*
<<locked>>
95%
20711
79%
**5
84%
[Alliant Sport Pistol]*
<<locked>>
93%
23438
90%
**1
85%
Hodgdon HP38
<<locked>>
80%
22640
87%
**8
95%
Hodgdon TiteGroup
<<locked>>
72%
22408
86%
**8
99%
Ramshot Zip
<<locked>>
82%
23279
89%
**8
94%
Rottweil P 801 👍
<<locked>>
95%
19160
73%
**4
100%
[Shooters World Ultimate Pistol]*
<<locked>>
74%
23206
89%
**04
88%
Somchem S121
<<locked>>
73%
23090
88%
**24
92%
Vihtavuori N310
<<locked>>
88%
22771
87%
**8
100%
Winchester 231
<<locked>>
91%
23279
89%
**8
94%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 70N
<<locked>>
91%
18144
69%
**8
91%
[Alliant BULLSEYE]*
<<locked>>
92%
19305
74%
**2
83%
[Alliant Sport Pistol]*
<<locked>>
85%
19232
74%
**2
82%
Hodgdon HP38
<<locked>>
75%
19914
76%
**5
93%
Hodgdon TiteGroup
<<locked>>
70%
21002
80%
**8
99%
Ramshot Zip
<<locked>>
77%
20189
77%
**2
92%
Rottweil P 801
<<locked>>
90%
16534
63%
**2
99%
[Shooters World Ultimate Pistol]*
<<locked>>
68%
19058
73%
**2
84%
[Somchem S121]*
<<locked>>
66%
18086
69%
**8
88%
Vihtavuori N310
<<locked>>
84%
20958
80%
**5
100%
Winchester 231
<<locked>>
86%
20189
77%
**2
92%

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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