JCA – Gen 4 Weapons Compat Ace3

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Author: Laid3acK

Last revision: 7 Nov, 2025 at 11:32 UTC (9)

File size: 100.15 KB

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Description:

Courtesy of the author Grave, ACE3 ballistics compatibility for the weapons’ mod JCA – Gen 4 Weapon Family.
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:
# Knight’s Armament Company Mk 11 MOD 0 20" barrel twist 1:11.25".
# SR10 14.5" barrel twist 1:10".
# M4A4 10.3", M4A1 14.5" barrel twist 1:7".
– 5.56x45mm ammunition from ACE3 Ghitub: "B_556x45_Ball", standart 5.56x45mm NATO ball (SS109 / M855).
– 7.62x51mm ammunition from ACE3 Ghitub: "ACE_762x51_Ball_Mk316_Mod_0" according to Sierra datas: 7.62mm HPBT MatchKing 175gr, ASM G1 BC 0.496 between 2800 fps (853m/s) and 1800 fps (549m/s) converted to ICAO G1 BC 0.489.
– Add 5.56x45mm M855A1 from 2022/23 datas.
– Add 5.56x45mm M193 from RUAG Ammotec AG.
– Add 5.56x45mm Mk262 from ACE3 Ghitub.
– Add 5.56x45mm Mk318 from ACE3 Ghitub.
– Add 5.56x45mm M995 AP from ACE3 Ghitub.
– Add 5.56x45mm ammunition Dual Purpose underwater subsonic (zeroing 100m or less recommanded).
– Add 7.62x51mm M993 AP from ACE3 Ghitub.
– Add 7.62x51mm ammunition Subsonic Lapua 200gr B416 ICAO G1 BC 0.518.
– Add AtragMx presets and accurate mRad reticle calibration.
– Add "ACE_ScopeHeightAboveRail" values from ACE3 "checkScopes.sqf" for all optics.
– Add "ACE_railHeightAboveBore" values from ACE3 "checkScopes.sqf" for all weapons.

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 for the Debug Reticle Script.
– Bohemia Interactive and the Arma3 community.