EMG Helios × Angstadt Arms “Breacher” UDP-9 — Custom Built PCC G3 AEG (7.5″, Black)

When the door blows and your team is first through the breach, you want something compact, brutal, and utterly dependable. The EMG Helios Angstadt Arms Custom Built “Breacher” UDP-9 answers that call: a fully licensed Angstadt Arms replica built from custom PCC aluminum receivers, a low-profile free-float M-LOK handguard, and a purpose-driven parts list tuned for Close Quarters Combat. Lightweight, highly maneuverable, and packed with modern internals, this 7.5″ pistol caliber carbine is designed to dominate tight spaces without compromising the controls and ergonomics operators expect from full-size platforms.

Purpose-built for entry teams

The Breacher UDP-9 is more than a scaled-down AR — it’s a purpose-built PCC engineered for the first operator through the entry point. Its compact footprint and low-profile PDW-style stock drastically reduce snag points and make weapon control in corridors, vehicles, and doorways instinctive. The slim riser-mounted red dot sits low for comfortable co-witness with the sight picture when wearing face protection or a full mask, ensuring fast target ID in high-stress, low-visibility scenarios.

Tactical features that matter

• Fully licensed Angstadt Arms replica with authentic markings and dimensions.

• Custom PCC upper and lower receivers machined from aluminum alloy for durability with minimal weight.

• Low-profile free-float M-LOK compatible handguard for accessory flexibility and clean ergonomics.

• Low-profile PDW-style stock for compact carry and improved control in confined spaces.

• Slim riser with shockproof red dot optic for consistent, mask-friendly sighting.

• Offset scout flashlight with pressure switch keeps the light out of your optic’s line while illuminating the dark.

• Included handstop improves handling and index points for rapid transitions.

• EMG Gemtech Lunar 9 mock suppressor tracer unit adds aggressive looks and nighttime visibility when using tracer BBs.

Modern internals for top-tier performance

Under the hood the Breacher hides serious engineering: a Gen 3 G3 gearbox that’s LiPo-ready, featuring a micro-switch trigger for instantaneous electrical response and a quick-change spring guide so you can tune FPS without a full teardown. An integrated MOSFET protects against over-discharge, optimizes motor efficiency, and sharpens trigger response — meaning crisper trigger pulls, more reliable cycle timing, and better performance with high-current batteries and upgraded motors. Semi, full-auto, and safe selectors let you match engagement style to mission needs while the EMG/Classic Army-compatible PCC stick mags make reloads fast and practical.

Realistic handling, efficient form factor

Pistol Caliber Carbines are prized because they bridge the gap between a rifle’s manual of arms and the compact utility of a submachine gun. Angstadt Arms’ design philosophy shrinks mass and bulk without changing the controls you know — resulting in a weapon that feels immediately familiar while being far easier to manipulate in confined environments. The Breacher’s short barrel and compact geometry let you move faster, clear rooms faster, and maintain close-in accuracy with the included TM-compatible hop-up and optimized barrel setup.

Field-ready right out of the box

This custom-built AEG ships configured for immediate deployment: optic mounted on a slim riser, scout light and pressure switch installed, handstop fitted, and the Gemtech Lunar 9 tracer attached for both aesthetic and functional night use. With a chrono window of 360–400 FPS, the Breacher balances field legality with punchy, reliable performance — and because this is a customized product, replaced original parts are not included.

Who should buy it

The EMG Helios Angstadt Arms “Breacher” UDP-9 is ideal for CQB-focused skirmishers, entry teams, vehicle crews, and anyone who wants the handling of a full-size platform in a compact, field-ready PCC package. If you’re looking for a licensed, precision-machined, and internally modernized carbine that excels when space is tight, this Breacher is designed for you.