Compact, modular and feature-rich: the Arcturus X C.A.T. AR-15 Versatile 8.5" is an AEG FE (Feature Enhanced) carbine built from steel, aluminum and polymer. It pairs a Centaur split gearbox with quick-change spring capability and an optical FE ETU programmable control system — ideal for players who want out-of-the-box electronics and easy internal maintenance.

Technical specifications

Model code: ACR-01-044942.

Type: AR-15 Versatile 8.5" — AEG (electric airsoft carbine), FE series.

Main materials: steel, CNC aluminum (7.3" M-LOK handguard, manipulators, outer barrel, exhaust device) and reinforced polymer (receiver, pistol grip, adjustable/folding stock, replaceable magwell).

Compact/folded configuration possible (stock folds to the left; adjustable length).

Handguard: 7.3" M-LOK aluminum.

Internals:

Split type gearbox (ARC V2 Centaur with quick-change spring system).

18:1 gearset including pre-cocking gear.

23T ferrite motor.

CNC stainless steel cylinder.

CNC POM nozzle with O-ring.

Precision rotary hop-up chamber.

FE optical ETU (programmable electronic trigger unit).

FE ETU features:

Adjustable Pre-Cocking (7 steps).

Active Break (8 steps).

Adjustable trigger hardness (5 steps).

Adjustable trigger reset (5 steps).

Progressive algorithm-driven trigger, adaptive hair-trigger.

Programmable fire modes; binary trigger with ramping.

Low battery protection and electronic fuse.

Hop-up: adjustable.

Power: LiPo battery recommended (connection in buffer tube; battery NOT included).

Weight: approx. 2.0–2.15 kg depending on config and accessories.

Velocity: depends on setup and BB weight — test and verify with chronograph for joule/FPS compliance.

Package contents

1 × Arcturus X C.A.T. AR-15 Versatile 8.5" AEG FE Carbine (ACR-01-044942).

1 × variable mid-cap magazine (e.g. 30/130 BB depending on supplied magazine).

1 × cleaning rod.

1 × patch.

1 × Allen key.

1 × set iron sights.

1 × small Tamiya → Deans adapter.

Dummy cartridge for mechanical pre-cocking, stock/magwell interchangeable parts.

Note: battery and charger NOT included.

Why this model
For players who want a field-ready AR platform with a serviceable gearbox and advanced programmable ETU, the Versatile 8.5" blends practical modularity, programmable electronics and solid materials — great as a primary AEG for competitive play or as a base for progressive upgrades.

Warnings & important information (GPSR & Italian compliance)

Minimum purchase age in Italy: 16 years.

Keep out of reach of children.

Battery and charger not included: use only compatible, high-quality batteries and follow charging/storage instructions.

Inspect fastenings and mechanism before use; follow safe procedures for disassembly/assembly.

Split gearbox and pre-cocking mechanisms contain springs under tension — handle with care; seek experienced assistance if unsure.

Do not tamper with or modify electronics or mechanics; unauthorized changes may cause malfunction and void warranty.

Respect local laws for transport and display of airsoft replicas; use appropriate carrying cases in public.

Warnings provided in accordance with the General Product Safety Regulation (GPSR) and applicable Italian safety rules.