JCA – UMP45 Compat Ace3

If you liked this item, please rate it up on Steam Workshop page.

Author: Laid3acK

Last revision: 7 Nov, 2025 at 11:47 UTC (3)

File size: 41.83 KB

On Steam Workshop

Description:

Courtesy of the author Grave, ACE3 ballistics compatibility for the weapon mod JCA – UMP45.
Can be played with or without ACE3.

– Default ballistic muzzle velocities according to Advanced Ballistics ICAO muzzle velocities (15°C, 1013.25 hPa, 0%).
– Default ballistic airFriction based on Advanced Ballistics ICAO ballistic coefficients and drag models with the ACE3 tool by Ruthberg[github.com].
– ACE3 "mass" according to manufacturers’ datas.
– ACE3 values according to Heckler & Koch UMP45: barrel length 200mm, twist 1:406mm, 25rd magazine.
– .45 ACP +P 230gr Winchester Law Enforcement 2025 datas: 990fps (302m/s) barrel length 5", 332m/s 200mm.
– Add "ACE_railHeightAboveBore" and "ACE_ScopeHeightAboveRail" values from ACE3 "checkScopes.sqf".

Github repository[github.com] for more information.

Tested Single Player only (no MP), all feedback welcome.

License :
Arma Public License Share Alike (APL-SA)[www.bohemia.net]

Credits :
– Grave for his amazing mod and his kind authorization.
– ACE3 Team, particularly Ruthberg for the Advanced Ballistics, and all ACE3 contributors.
– CBA Team.
– Bohemia Interactive and the Arma3 community.