The M27 Infantry Automatic Rifle (IAR) is a lightweight, magazine-fed 5.56mm weapon used by the United States Marine Corps. It is intended to enhance an automatic rifleman’s manoeuvrability and displacement speed.
The M27 has familiarity with the M4-style weapons in service. It is more friendly to troops due to its cleaner lightweight system, having fewer moving parts and jams, IAR gunners consider the rifle-grade accuracy to be a huge improvement over the SAW, despite the loss of sustained firing.

The Umarex HK M27 IAR AEG licensed by the German arms manufacturer Heckler and Koch and Manufactured by VFC just shouts out quality. Its comes with real steel markings and also has the international symbols for Safe, Semi-Automatic, and Fully Automatic.
CNC Aluminium Outer Barrel that is solid and stable with a free floating RIS system, used for mounting accessories, that interlocks with the main receiver to eliminate movement.
The Umarex HK M27 also features the bolt lock to help with hopup adjustment

– CNC Aluminium Outer Barrel
– One-Screw fix/take-down Rail Handguard.
– The Rail Handguard fixes into upper receiver as real steel.
– Detachable Front & Rear Sights Included.
– Realistic main grip and stock.


Fire Modes: Semi + Full Auto + Safe
Velocity 320fps + / – 5% (Tested with 0.20’s)
ROF Approx 800 +/-
Hop Up Adjustable
Length 856mm – 940mm
Main Construction
Metal RIS System
Front Quad Rail
Sights Flip Up Adjustable
Motor High Torque
Blowback No
Battery 7.4v Mini Stick Lipo / 8.4v Mini Twin Leg (Not Included)
Battery Location Stock Tube / Stock
Outer Barrel 405mm
Inner Barrel 409mm
Barrel Thread 14mm
Magazine 320rd
Stock Type Adjustable
Accessories Included Hard Carry Case

VFC / Umarex – H&K M27 IAR AEG

  • We offer a 3 month warranty with all pre-loved guns to cover manufacturing defects and premature failure. 

    This includes standard UK shipping, parts and labour. 

    Large parcels (over 100cm length or 10Kg weight) are subject to a £10 surcharge.