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FD-K25 · PROTO A03 · EVALUATIONLOADOUT PLATFORM DOSSIER
~25 L DECLARED//7 SUBSYSTEMS//TEGRIS CHASSIS//BESPOKE HARDWARE · NONE
FD-K25 · MODULAR LOADOUT PLATFORM

KEYSTONE
25

INITIALISING…

Repair-forward. Weight-disciplined. Configured to mission.

A ~25-litre carry platform built around a structural chassis. Every strap, buckle and panel is standard hardware you can source anywhere, the pack is serviced, not replaced.

TEARDOWN FOLLOWS▽
DOCTRINE 01
Repair-forward.
Every buckle, ladderloc and webbing length is off-the-shelf. The hardware spec is printed inside the bag, field-replaceable from any supplier worldwide.
DOCTRINE 02
Load ends at the chassis.
A Tegris frame terminates the load path, not the fabric. Harness, chassis and bag body separate on the bench without tools.
DOCTRINE 03
Configured, not locked in.
Side panels, hip belt and frame mode mix freely on an open MOLLE standard. Any pouch, any maker, no proprietary ecosystem.
01TEARDOWN
SCROLL-DRIVEN · EXPLODED GALIVE
FD-K25 · EXPLODED GENERAL ARRANGEMENT · REV A03
SCROLL ▽ TO STRIP DOWN
TEARDOWN PROGRESS000%
FD-K25 · GA
ONE PLATFORM. THREE ASSEMBLIES.

Keep scrolling, the K25 comes apart on screen the way it does on the bench. Release the compression and over-frame straps and the platform separates into harness, chassis and bag body. No bespoke tools, no proprietary hardware.

AEvery interface uses standard, documented hardware.
ASSEMBLIES3 · FIELD-SEPARABLE
FD-K25-HAR
01 · HARNESS ASSEMBLY

Yoke-style shoulder straps, replaceable by separating the bag from the chassis. Sliding sternum strap with ladder-lock and integrated whistle. Two hip-belt SKUs: urban and field.

BLoad distribution appropriate to 25L carry weights.
HIP BELT2 SKU · URBAN / FIELD
FD-K25-CHF
02 · CHASSIS

Tegris thermoplastic composite frame, anatomically curved, low-profile. Load transfers to the chassis, not the fabric. The top and two side grab handles mount frame-direct.

AFrame-direct handle attachment, designed and built to spec.
HEIGHT450 MM · BIN-LEGAL
FD-K25-STG
03 · BAG BODY

Full clamshell main compartment that packs flat. Removable 15-inch laptop sleeve, removable side pockets, top pocket with a hidden false-floor, and a sealed spare-hardware kit clipped inside every unit.

A15in laptop fit, stated directly.
MAINCLAMSHELL · PACKS FLAT
02WALKAROUND INSPECTION
7 SUBSYSTEMS · SELECT A HOTSPOTINTERACTIVE
BAG BODY · ~25 L
TAIL · STOWED
FD-K25 · FRONT VIEW · WALKAROUND
01CHASSIS
FD-K25-CHF · REV A03
OPERATIONAL
▸ LOAD TERMINATES AT THE CHASSIS, NOT THE FABRICFUNCTION GRAPHIC · ANIMATED

Tegris thermoplastic composite frame, anatomically curved, low-profile. Load transfers to the chassis, not the fabric. The top and two side grab handles mount frame-direct.

AFrame-direct handle attachment, designed and built to spec.
HEIGHT450 MM · BIN-LEGAL
01 / 07
AUTO CYCLE
03DIMENSIONS & ENVELOPE
GENERAL ARRANGEMENT · FRAME ON/OFFINTERACTIVE
▸ FRAME MODE · SELECT
▸ Frame-on, 200 mm expanded, primary carry across all configurations.
DECLARED VOLUME
MAIN COMPARTMENT
~25L
▸ PENDING · BOM COMPLETION
MASSTBD
TBD
BOM COMPLETION
PRICETBD
~£300–500
INDICATIVE · BY VARIANT
05STORES CONFIGURATION
3 AXES · 4 PRESETS · NO LOCK-INPROTOTYPE
Three configuration axes, side panels, hip belt, frame mode, mix freely into four named kits. Select any variant or load a preset; the loaded stores update live.
STORES · LOADED
CHASSIS · ON
BAG BODY · ~25L
SP-MOL
SP-MOL
MOLLE FIELD
FD-K25 · SMS · FRONT VIEW
CONFIGFIELD KIT
SIDEMOLLE PANEL
BELTMOLLE FIELD
FRAMEFRAME-ON
AX-1SIDE PANELS
AX-2HIP BELT
AX-3FRAME MODE
▸ NAMED PRESETS
ONE-CLICK LOADOUT
▸ MOLLE COMPATIBILITY
Any MOLLE-standard accessory from any manufacturer mounts to MOLLE panels, medical pouch, radio pouch, bladder carrier. Open standard, by design. ALPINE + MOTO KITS · FOLLOW-ON AT LAUNCH.
BUILD LOGS · LAB ▸
06MATERIALS & HARDWARE
SAMPLE BOARD · SHARED HARDWARESPEC
▸ SHELL SAMPLES · PIN TO SELECT
FIELD / PRO
MAT-FP · SHELL VARIANT
CORDURA
SHELL
500D Cordura nylon · DWR
FINISH
Abrasion-resistant · low-shine
LINER
210D–420D nylon
FRAME
Tegris thermoplastic composite

500D Cordura, a military-grade ballistic nylon, the same fabric class used in issued kit. Abrasion-resistant, DWR treated, deliberately low-shine.

▸ HARDWARE STANDARD · SHARED ACROSS VARIANTS · PARTS TRAY
ZIPS
YKK LARGE-GAUGE COIL · STORM-FLAPPED
BUCKLES
ITW / DURAFLEX / NATIONAL MOLDING
GRID
MOLLE STANDARD · OPEN
FRAME · DIFFERENTIATOR
TEGRIS THERMOPLASTIC COMPOSITE
500D Cordura with DWR treatment and storm-protected zips. Weather-resistant. Not waterproof.
07DOCUMENTATION · SERVICE
QRC IN BOX · LOGGED AT THE LABDRAFT
FD-K25 QRC · A03REV A03
  1. 1Torso adjust: relocate yoke + belt anchors to marked positions. No tools.
  2. 2Strap replace: any buckle, ladderloc or webbing, match width on the spec label.
  3. 3Hardware spec: family, width and gauge are printed inside the bag.
  4. 4Chassis removal: release compression + over-frame straps; lift bag clear.
  5. 5Refit: seat chassis, re-run straps through slots, tension to detent.
→ /DOCS/K25
⚠ IMMEDIATE-ACTION QRC · LAMINATED · SHIPS IN BOXFD-K25-FG-01

SERVICED ON STANDARD HARDWARE.

Standard hardware throughout. Every component is user-replaceable from any outdoor or military supplier worldwide. Chassis replacement requires composite sheet stock, documented with the build logs at the lab.

SPARE KITA
IN-BOX · 1 BUCKLE / 1 LADDERLOC / 1 WEBBING
HARDWARE LABELA
INSIDE BAG · FAMILY / WIDTH / GAUGE
QR CODEA
SPEC LABEL → LAB BUILD LOGS
CHASSIS SOURCINGB
COMPOSITE SHEET STOCK
BUILD LOGS · LAB ▸
08MISSION PROFILES
DEFENCE · SAR · OUTDOOR · CIVILIANLIVE
Six named profiles, led by the primary theatres, Defence and Search & Rescue, then outdoor and civilian. Each maps to a kit configuration.
MP-01DEFENCE · PRIMARY
PATROL / DISMOUNTED
▸ FIELD KIT
Dismounted patrol day load for tier-1 forces.
RENDER PENDING, FD-K25-MP-01
DEFENCE
MOLLE panels + field belt carry mission-specific pouches; beaver tail for overflow.
MP-02SEARCH & RESCUE · PRIMARY
SEARCH & RESCUE
▸ FIELD KIT
Casualty-access carry for mountain, coastguard and air-ambulance teams.
RENDER PENDING, FD-K25-MP-02
SAR
Rope, crampons and wet gear on the beaver tail; ventilated carry under sustained load.
MP-03OUTDOORS
EXPEDITION / SUSTAINMENT
▸ FIELD / ALPINE KIT
Multi-day approach where kit must be serviced in the field.
RENDER PENDING, FD-K25-MP-03
OUTDOORS
Hydration cavity, field-belt transfer, off-the-shelf hardware repair.
MP-04OUTDOORS
ALPINE / SKI
▸ ALPINE / SNOW KIT
Approach and descent with external technical kit.
RENDER PENDING, FD-K25-MP-04
OUTDOORS
Beaver tail for helmet and wet gear; long-item reroute for axe and poles.
MP-05CIVILIAN
TRAVEL / ONE-BAG
▸ URBAN KIT · FRAMELESS
One-bag transit and underseat stow.
RENDER PENDING, FD-K25-MP-05
CIVILIAN
Frame-off drops depth to ~150mm; over-frame straps become shoulder carry.
MP-06CIVILIAN
URBAN / EDC
▸ URBAN KIT
Daily carry that does not read tactical.
RENDER PENDING, FD-K25-MP-06
CIVILIAN
15in laptop, slim belt, bottle pockets, low-shine 500D.
09POSITIONING
VS PRODUCT TYPES · NOT BRANDSEVAL
FD-K25
EXT-FRAME EXPEDITION
STANDARD TRAVEL
MOLLE MIL-SPEC
Stealth (non-tactical) aesthetic
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Removable chassis
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Field-repairable hardware
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Buy-it-for-life design intent
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Underseat frameless mode
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● PRESENT◐ PARTIAL○ ABSENT

TWO ROUTES.
BOTH VALID.

THIS PROGRAMME IS IN ACTIVE DEVELOPMENT · PROTO A03 IS THE CURRENT REVISION
AUTHORISE
SAFE
ARM
FD-K25 · MODULAR LOADOUT PLATFORM

BUILT TO BE
REBUILT.

Repair over replacement. Standard hardware on every axis. A chassis that outlives its fabric. Honest about what is evidenced, and what is still pending.
K25