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Demo Mod — Field Specs (weapon combat plugs)

Authority: FS-ITM-014 · Demo Mod OV37 Stats · mock FIELD_SPEC_CATALOG in tfa_gdd_html/figures/demo_mod_mock_data.js.
Not: Traits (FS-ITM-010) · Mag Install / Refit · Shiv Spec (FS-ITM-015) · Phonon wells · Demo Mod chrome name.

Weapon combat-plug socket. Player word: Field Spec.


Quality Field Spec slots
Common · Uncommon · Augmented 0
Rare 1
Legendary 2
Unique 3
Apex 4

Eligible: guns (W seats / Receiver × Frame kits) · melee (Wrist · blade / sword kits).
Not eligible: armor / jewelry / Phys Shield / ES.

Instance fields: fieldSpecId1 … fieldSpecId4 (empty when locked). Distinct ids per piece — no duplicate Spec in two slots.

Lanes: each catalog row has lanes: ["gun"] | ["melee"] | ["gun","melee"]. Capacity Specs (mag/reserve) are guns only.
Adept rows: Unique / Apex allowlist only.


Id Name Group Effect
FS-05 Soft Magnets Control Mild acquisition help (never rewrites Receiver AA)
FS-10 Fast Draw Handling Equip / ready speed
FS-18 Adept Soft Magnets Adept Stronger Soft Magnets · Unique/Apex
Id Name Group Effect
FS-01 Reserve Bandolier Capacity +3 MagSize · +30 reserve (HUD)
FS-02 Deep Clip Capacity +5 MagSize
FS-03 Brick Attractor Capacity Ammo brick pickup bias (stub · TBD-040)
FS-04 Counterbalance Seal Control Recoil direction settle
FS-06 Freehand Latch Control Hip accuracy · ready
FS-07 Airframe Latch Control Airborne accuracy
FS-08 Sprint Latch Control Post-sprint ready / ADS
FS-09 Quick Sling Handling Faster swap after empty mag
FS-11 Radar Return Sensor Radar after ADS
FS-12 Radar Reach Sensor Radar range
FS-13 Full-Auto Latch Fire Hold-trigger FullAuto where Semi allowlisted
FS-14 Hip Anchor Control Hip bloom settle
FS-15 Steady ADS Control ADS sway settle
FS-16 Adept Deep Clip Adept +8 MagSize · Unique/Apex
FS-17 Adept Reserve Bandolier Adept +5 MagSize · +50 reserve · Unique/Apex
Id Name Group Effect
FS-19 Drive Latch Handling Melee swing start / lunge commit
FS-20 Guard Break Control Stagger / guard punch bias
FS-21 Channel Seal Channel Channel sustain · interrupt resist
FS-22 Impact Brace Control Hit-stop / knockback settle
FS-23 Cleaving Arc Control Multi-target sweep angle
FS-24 Sprint Strike Handling Post-sprint melee ready
FS-25 Adept Guard Break Adept Stronger Guard Break · Unique/Apex
FS-26 Adept Channel Seal Adept Stronger Channel Seal · Unique/Apex

HUD (guns): Effective MagSize / reserve = kit MagSize + Σ Field Spec magDelta / reserveDelta after OK (OV38). MagFamily dial stays kit-owned; Field Spec adds on top. Melee Specs never touch MagSize.


  1. Frame / melee kit — base MagSize / reserve (guns) or melee plate
  2. Mag Install (Refit) — MagFamily / furniture (fake-modular in Demo; guns)
  3. Field Spec — swappable combat plugs (this doc)
  4. Shiv Spec — Unique/Apex only · per-name TBD (demo-mod-shiv-specs.md)
  5. Traits / Origin — intrinsic columns (FS-ITM-010) — separate lane