Airsoft GI Custom Discharge M4 AEG Airsoft

Licensed BG Defense Performance

The Airsoft GI Custom Discharge is a BG Defense Type A MK2 12" Gen 2 AEG by Lancer Tactical, built to deliver licensed realism and consistent field performance. With a full metal TYPE-A forged receiver and a 12" MKII M-LOK handguard, this rifle combines authentic styling with a rugged platform that performs reliably at 370–390 FPS with 0.20g BBs.

Precision Internals and Advanced Electronics

Engineered for durability and tuneability, the Discharge features a 6.03mm tightbore inner barrel, rotary-style hop-up, SHS 16:1 steel gears, reinforced piston, MX-PIS001PHS double O-ring piston head, and an ASTER V2 SE Expert with Quantum Trigger for advanced programmable control and diagnostics—making it a competition-ready, upgrade-friendly AEG.

Complete, Field-Ready Package

This custom build ships ready to deploy with an NSR adjustable stock (battery storage), included 9.6V 1600mAh NiMH battery and charger, Atlas Solar Power red dot with killflash on a riser mount, Atlas Type 1 M-LOK rail covers, FMA Lab vertical foregrip, Ranger Armory 540-lumen scout light with ML Modbutton tape switch, and a CA tactical gun bag for secure transport.

Specifications

• Brand: Airsoft GI
• Model: Custom Discharge M4 AEG
• Base Model: Lancer Tactical BG Defense Type-A MK2
• Muzzle Velocity: 370–390 FPS
• Package Includes: Gun (as pictured), Mag, Gun Bag
• Color: Black (with tan accessory options)

Features

• Fully licensed BG Defense TYPE-A forged receiver for authentic styling
• Full metal 12" MKII M-LOK handguard for accessory mounting
• Proven Gen 2 gearbox foundation with quick-change spring system
• 6.03mm tightbore barrel and rotary hop-up for improved accuracy and consistency
• Ambidextrous fire selector and charging handle with functioning bolt catch
• ASTER V2 SE Expert with Quantum Trigger for advanced programming and diagnostics
• SHS 16:1 steel gears, reinforced piston, and double O-ring piston head for long-term durability
• Atlas Solar Power red dot with riser and killflash for rapid target acquisition
• Atlas M-LOK rail covers, FMA Lab vertical foregrip, and Ranger Armory scout light with tape switch for ergonomic control
• NSR adjustable stock with battery storage and included NiMH battery & charger for out-of-the-box readiness
• Comes with CA tactical gun bag for secure transport and storage
• Professionally assembled and tested for consistent performance in the field

Please Note:

• Batteries & Chargers are NOT included.
• Please allow for SEVERAL BUSINESS DAYS for construction of the custom.