Nuprol Delta Pioneer Breacher

The Nuprol Delta Pioneer Breacher M4 AEG is Nuprol’s entry-level, high-value airsoft rifle, built specifically for beginners who want solid performance without overspending. Lightweight, compact, and upgrade-ready, the Breacher is ideal for CQB environments and aggressive front-line play.

Despite its budget-friendly position, this rifle includes features rarely seen at this price point — most notably a 6.03mm aluminium tightbore inner barrel, a quick-change spring system, and a micro-switch trigger. Straight out of the box, it delivers reliable semi and full-auto performance at approximately 320 FPS, making it site-friendly and skirmish-ready.

Build & External Design

The Breacher features a reinforced nylon fibre receiver paired with a metal outer barrel, stock tube, rail system, and sling plate, keeping weight down while maintaining durability. A four-point 20mm RIS handguard and full-length top Picatinny rail allow easy mounting of grips, torches, optics, and accessories.

A factory-installed Sound Hog–style amplifier gives the rifle a sharp, aggressive report, adding intimidation in CQB scenarios. The six-position crane stock offers adjustable length of pull and ample battery space, while polymer flip-up iron sights come included.

Internal Performance

Internally, the Delta Pioneer Breacher is built around a reinforced Version 2 gearbox featuring a full steel-tooth piston, reinforced metal selector plate, and high-torque motor. The micro-switch trigger system provides a more responsive trigger pull than standard mechanical contacts and is LiPo ready out of the box.

The rifle is rear-wired with a Mini-Tamiya connector, making battery changes quick and simple.

Key Features

• Entry-Level / Budget-Friendly AEG

• Reinforced Version 2 Gearbox

• Micro-Switch Trigger System

• 6.03mm Aluminium Tightbore Inner Barrel

• Quick-Change Spring System

• Steel Tooth Piston

• High Torque Motor

• Semi & Full-Auto Fire Modes

• Approx. 320 FPS (Site Friendly)

• Sound Hog–Style Amplifier

• Four-Point 20mm RIS Handguard

• Full-Length Top Picatinny Rail

• 14mm CCW Threaded Outer Barrel

• Six-Position Sliding Crane Stock

• Rear-Wired, Mini-Tamiya Connector

• Alloy Ambidextrous Sling Plate

• Functional Mock Bolt Hold Open

Specifications

• Weight: 2000g

• Fire Modes: Semi / Full-Auto

• Inner Barrel Bore: 6.03mm

• Approx. FPS: ~320 FPS

• Barrel Thread: 14mm CCW

• Materials:

  • Metal: Outer Barrel, Stock Tube

  • Polymer: Receiver, Handguard, Stock

Included in the Box

• Nuprol Delta Pioneer Breacher M4 AEG Rifle (Black)

• High-Capacity Thermold-Style Magazine (approx. 300 rounds)

• Polymer Flip-Up Iron Sights

• Cleaning / Unjamming Rod

• Instruction Manual

Magazine & Battery Compatibility

Compatible Magazines:

• Nuprol M4 Magazines

• Nuprol N-Magazines

• Nuprol L-Magazines

Recommended Batteries:

• 1450mAh 7.4v LiPo Stick (8053)

• 1450mAh 7.4v LiPo Nunchuck (8054)

• 1600mAh 8.4v NiMH Nunchuck (8002)

Note: Battery and charger are not included. Please see our accessories section to add these to your order.

Ideal For

• Beginners starting airsoft

• CQB and indoor skirmishes

• Players wanting an upgrade-ready M4 platform

• Budget builds without sacrificing internals