Sigma AU Rare Items - Rexor Arms "Whiplash"

Rexor Arms RX-20 ‘Whiplash’

Category: Anti-Materiel Rifle (AMR)

Caliber: 20×110mm Rexor-TVCM

Origin: United Kingdom, 2098

Manufacturer: Rexor Arms


General Specifications

Total Length: 1650 mm (65.0 in)

Barrel Length: 910 mm (35.8 in)

Weight (Unloaded): 12.2 kg (26.9 lb)

Weight (Loaded, 5 rnd mag): 15.1 kg (33.3 lb)

Material Construction: Grade 5 titanium alloy monocoque chassis, carbon-silicon composite thermal guards, UHMWPE grips


Ammunition & Feeding

Caliber: Proprietary 20×110mm Rexor-TVCM (Telescoped, Ventilated Combustion-Metallic)

Muzzle Velocity: 1,320 m/s (4,330 ft/s)

Effective Range: 2,000 meters

Max Range: 4,500 meters

Magazine Capacity: 5-round detachable box (side-load), optional 8-round drum

Feed System: Hybrid push-through and recoil-assist loading


Fire Control & Operating System

Action: Hybrid short-recoil, gas-brake stabilized

Fire Modes: Semi-automatic only

Trigger Pull: Electronically modulated, adjustable (0.8–2.5 kg)

Fire Control Unit (FCU): Rexor GEN-V SmartLink with:

Ballistic CPU (range-adaptive zeroing)

Optical auto-calibration for windage and Coriolis drift

AI shot log, recoil map, and structural fatigue monitoring


Optics & Sighting

Integrated Optics Rail: 580 mm full-length MIL-STD-2469 rail

Standard Optics Package: Rexor T-9 Variable SmartScope

4x–30x magnification

Integrated LIDAR, IR, and thermal fusion overlay

Remote linking to recon drones

BUIS: Folding titanium micro-posts with tritium inserts


Ergonomics & Features

Stock: Adaptive carbon-weave folding stock with hydraulic recoil compensation

Grip: Split-texture ergonomic with palm-activated thermal control

Charging Handle: Ambidextrous, non-reciprocating

Muzzle Device: Multi-stage recoil funnel + active suppressor collar (removable)

Rail System: Modular M-LOK-compatible side and underbarrel mounts

Sling Points: 3-point titanium QD system

Finish: Matte black oxide with micro-ceramic weatherproofing


Environmental Tolerance:

Operating Temp: −55°C to +70°C

Submersion: 30 meters (sealed FCU, water-drain recoil port)


Recoil System

Core Absorption: Quad-stage internal recoil rail with magneto-fluid dampeners

User Comfort: 47% reduced felt recoil compared to standard 20mm rifles


Known Usage

Operators: SCDF, German Bundestag, New London Armed Forces

Design Philosophy: "One Shot, No Recovery" - built for immovable targets, heavy mechs, reinforced materiel, and low-orbit vehicle disabling.

Price (civilian-accessible model): Est. 250,000 UCR (universal credits), subject to export restriction and tracking.


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