Heretic Labs Article IV – HPA Speedsoft Rifle

The Heretic Labs Article IV is the pinnacle of HPA speedsoft design, combining lightweight engineering with cutting-edge performance features. Built on the MTW platform, this rifle offers seamless compatibility with MTW‑Spec components and real‑steel accessories, delivering unrivalled customisation in a race‑ready package.

Key Features

• Skeletonised Billet Receiver: MTW‑Spec CNC-machined aluminium receiver paired with a CNC feed tube for pinpoint alignment.
• Carbon Fibre Barrel: 8″ genuine carbon fibre outer barrel matched to a 208 mm inner barrel offers minimal weight and excellent manoeuvrability.
• Inferno XTS Engine & Storm Regulator: Built-in STORM Category 5 regulator and next-gen INFERNO XTS offer ultra-consistent performance across 60–160 psi.
• Bluetooth FCU: BLINC Bluetooth® fire control unit enables live tuning, chrono display, and advanced configuration via app.
• Tracer Integration: Embedded Acetech Bifrost BT tracer unit with live output and automatic dwell tuning.
• Precision Speed Trigger: CNC machined trigger with low-friction bearing and three-point travel adjustment for smooth response.
• PTS EPM-MTW Magazine: Includes magazine with empty mag detection for uninterrupted operation.
• QD Stock Adapter: Picatinny rear stock mount with quick-detach sling point for rapid gear attachment.

Specifications

• Weight: Approx. 2.6 lb (1.25 kg) without tank
• Operating Pressure: 60–160 psi
• Regulator Input: 200–800 psi
• Rate of Fire: Adjustable 5–35 RPS
• Barrel Length: 8″ outer with 208 mm inner
• Battery Input: JST 6–8 V for FCU and trigger board
• Platform: MTW base—compatible with MTW-Spec upgrades and real‑steel gear

Why Choose the Article IV?

• Advanced HPA engine and tracer integration deliver unmatched field performance.
• Bluetooth-enabled configuration and chrono feedback via the BLINC app.
• Ultra-light battlefield footprint with a combat‑ready 1.25 kg profile.
• Fully modular and customisable—compatible with MTW‑Spec parts and accessories.
• Engineered to exceed the needs of modern speedsoft players.

Dominate in Speedsoft

The Heretic Labs Article IV represents the most refined HPA speedsoft platform to date. Whether you're chasing chrono feedback, minimising weight, or maximising customisation, the Article IV delivers pro-level tools built for real competition.

Order today and experience the future of speedsoft performance.

*Tank shown in pictures NOT included*

Want to Add an HPA Tank to Your Setup?

If you’d like to bundle this rifle with an HPA tank at a discounted rate, we’ve got you covered.

Click here to customise your HPA Tank Bundle and save.