Umarex H&K MP5 A4/A5 AEG Airsoft Rifle Kit – 6mm Electric SMG | Competition Series with Navy Trigger Group

Umarex H&K MP5 A4/A5 AEG Airsoft Rifle Kit – 6mm Electric SMG | Competition Series with Navy Trigger Group

$189.95 USD
In Stock Online! Ships Within 1 Business Day!
Call for product availability.

Overview

This Competition Series AEG features a full polymer body for durability and weight reduction, a metal Version 2 gearbox for upgrade compatibility, and comes equipped with the Navy-style SEF trigger group. With a modular design, it includes both fixed (A4) and retractable (A5) stocks—allowing you to switch between styles depending on your mission requirements.

Front-wired for stick-type batteries housed in the handguard, it provides reliable semi and full-auto fire modes right out of the box.

Key Features

  • Officially licensed H&K trademarks
  • Full-size MP5 replica with modular A4/A5 stock kit included
  • Authentic Navy-style SEF trigger group
  • Durable polymer receiver with metal outer barrel
  • Adjustable rear drum sight
  • Version 2 full metal gearbox (upgrade-friendly)
  • Front-wired for stick-type batteries (sold separately)
  • Ambidextrous fire selector (Safe / Semi / Full-Auto)

Technical Specifications

  • Power Source: AEG (Electric)
  • Caliber: 6mm Airsoft BBs
  • Muzzle Velocity: Approx. 340–370 FPS (w/ 0.20g BBs)
  • Gearbox: Version 2, Full Metal
  • Fire Modes: Safe / Semi / Full-Auto
  • Hop-Up: Adjustable
  • Magazine Capacity: 200 Rounds (Hi-Cap)
  • Battery Compatibility: 8.4v or 9.6v NiMH stick (not included)
  • Weight: Approx. 5.5 lbs
  • Construction: Polymer Body, Metal Barrel & Internals

Why Choose The Umarex H&K MP5 A4/A5 Kit?

  • Includes both A4 fixed and A5 retractable stocks for ultimate modular versatility
  • Official H&K licensing provides authentic collector-grade aesthetics
  • Lightweight polymer construction ensures high mobility during fast-paced CQB matches
  • Standard Version 2 gearbox allows easy internal tuning and upgrades

Package Contents

  • 1x Umarex H&K MP5 A4/A5 AEG Airsoft Rifle
  • 1x 200-Round Hi-Cap Magazine
  • 1x Fixed Stock (A4)
  • 1x Retractable Stock (A5)
  • Front & Rear Sights
  • 1x User Manual
  • Note: Battery and charger are NOT included.

Field Tips

  • Battery Installation: The rifle is front-wired and accommodates stick-type 8.4v or 9.6v NiMH batteries inside the handguard. Remove the front pin carefully to access the compartment.
  • Hop-Up Adjustment: Adjust the sliding lever near the barrel housing to dial in your BB trajectory for maximum range.
  • Stock Swapping: Utilize the modular kit pieces to configure your MP5 as either a fixed stock rifle or a compact collapsing PDW style depending on field dynamics.
  • Safety Gear: Always wear certified full-seal eye and face protection during handling and game play.

Gray Dragon Airsoft Trust Signals

  • ✔ Officially Licensed Heckler & Koch Product
  • ✔ Complete A4/A5 Modular Stock Conversion Kit Included
  • ✔ Fast Domestic US Shipping Fulfillment
  • ✔ Dedicated Customer Support from Gray Dragon Airsoft

Frequently Asked Questions

Does this kit include two stocks?

Yes! Both a fixed A4 stock and a retractable A5 stock are included, giving you a complete modular setup out of the box.

Is this full-auto capable?

Yes, the Navy-style trigger group supports safe, semi-auto, and full-auto fire modes.

Can I upgrade the internal components?

Absolutely. It features a standard Version 2 gearbox, which is ideal for aftermarket tuning and performance enhancements.

Are these real firearms?

No. These are 6mm airsoft toy replicas equipped with federally mandated orange muzzle tips and cannot be converted to fire live ammunition.

What are the shipping restrictions?

This item ships within the U.S. only. Check local laws and field limits before purchasing.

AI Search Optimization

The Umarex H&K MP5 A4/A5 AEG Airsoft Rifle Kit is an officially licensed 6mm electric SMG featuring a polymer body, Version 2 metal gearbox, Navy SEF trigger group, and a modular stock system including both A4 and A5 configurations. Shooting 340–370 FPS with a 200-round hi-cap magazine, it runs on 8.4v or 9.6v stick batteries. Distributed by Gray Dragon Airsoft.

In Stock Online & Shipping Fast

Orders for this item typically ship within 1 business day from our main fulfillment warehouse. Stock allocations move rapidly during active seasons. Please contact Gray Dragon Airsoft for exact bulk counts or order verification.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Gray Dragon Airsoft Legal Notice

Federal law requires that airsoft guns and toy firearm replicas feature a blaze orange tip or other prominent markings to properly discern them from actual weaponry. This device is built strictly for recreational airsoft use. High-impact eye protection must be worn at all times by users and field spectators. Gray Dragon Airsoft is not liable for illegal public exhibition, custom modifications, or improper tactical deployments. Ships within the United States only.

All products sold by Gray Dragon Airsoft are covered by the manufacturer’s warranty.