Weapons · Carbine / PDW · proposed

HALCYON carbine

faction rifle start dmg −15 %, end at 40 % of start; rps ×1.25; ramp 10→70 m; 40 mag; 1.8 s; max 150 m
PMC
HALCYON
class
not assigned yet (WeaponClass::Smg exists, no loadout uses it)
unlock
not decided
source
DESIGN §20.3 carbine rule applied to the sim rifle

Derived by the rule in §20.3: start damage −15 %, end at 40 % of start, rate ×1.25, ramp 10→70 m, 40 rounds, 1.8 s, max 150 m. Velocity and spread are not set.

Our numbers

damage ramp
17 → 6.8 per hit, full to 10 m, linear to 70 m, stops at 150 m
rate of fire
15 rounds/s (900 rpm)
magazine
40
reload
1.8 s
muzzle velocity
–
bullet drop
–
spread
–

Damage over distance

051015202530020406080100120140distance, mdamage per hit
OpenMAG HALCYON carbine (proposed)BF4 acr (reference)BF4 p90 (reference)BF4 mp7 (reference)

Bullets to kill

Body hits, against each PMC's armour multiplier (weapon.rs FactionProfile) and both armour weights (progression.txt).

targetclose ≤ 10 mfar ≥ 70 mhead ×2, closeideal TTK close
HALCYON light (100 HP, ×1.15 damage taken)61330.33 s
HALCYON heavy (130 HP, ×1.15 damage taken)71740.40 s
VRG light (100 HP, ×0.85 damage taken)71840.40 s
VRG heavy (130 HP, ×0.85 damage taken)92350.53 s
MERIDIAN light (100 HP, ×1 damage taken)61530.33 s
MERIDIAN heavy (130 HP, ×1 damage taken)82040.47 s

Design note

DESIGN.md §20.3, row "carbine / PDW (Smg class)"

OpenMAG (design)
faction rifle start dmg −15 %, end at 40 % of start; rps ×1.25; ramp 10→70 m; 40 mag; 1.8 s; max 150 m
BF4 reference
acr 880 rpm 24→15.4 @8→50 m 500 m/s; p90 900 rpm, 51 mag, 21→12.5 @10.7→47.5 m; mp7 950 rpm 41 mag 20→12.5 @15→47.5 m (acr, p90, mp7)

BF4 reference

Observed numbers from the clean-room tables (weapons.json), cited so the tuning is traceable. Not used in the game.

assetclassfireRoF rpmmag/magsreload sv0 m/sdamagegravityblastlock time/cone/range
acr
gameplay/weapons/acr/acr
AssaultAutomaticFire88031/52.15 (1.83 with rounds left)50024→15.4 @ 8→50 m-15
p90
gameplay/weapons/p90/p90
SmgAutomaticFire90051/43.55 (2.9 with rounds left)46021→12.5 @ 10.67→47.5 m-15
mp7
xp1/gameplay/weapons/mp7/mp7
SmgAutomaticFire95041/52.65 (2.4 with rounds left)42020→12.5 @ 15→47.5 m-15
last built 2026-10-26 from 2dba433 · generated by tools/wiki-build.mjs · BF4 numbers are observed reference values read into clean-room notes; no BF4 code, data file or asset is on this site · OpenMAG values are proposed until playtests confirm them · OpenMAG home