Replica ASG H&K Heckler&Koch HK53 A3 6mm full auto gas rifle

ASG gas-powered replica of the Heckler & Koch HK53 A3 carbine by Umarex, in the Full-Auto version (capable of continuous fire).

The gas-powered Heckler & Koch HK53 A3 delivers a muzzle velocity of 330 FPS, and its compact dimensions make it an excellent choice for CQB games and short-range engagements.

The HK53 was designed as a further development of the HK33 rifle, based on the concept of using the powerful 5.56×45 NATO cartridge while maintaining dimensions similar to the MP5 submachine gun. 

Features of the Heckler & Koch HK53 A3 replica:

• Gas-powered system delivering 330 FPS
• Full-Auto version with continuous fire capability
• Steel and fiberglass-reinforced polymer construction
• Equipped with mechanical iron sights
• Fitted with a retractable stock
• Muzzle device mounted on an M14x1 CCW thread
• Included in the set: replica and a 35-round Low-Cap magazine

Steel construction of the HK53 A3

The ASG HK53 A3 replica features a durable steel body and metal alloy components, including the barrel, iron sights, trigger, stock guide, charging handle, and selected internal parts. 

As in the original firearm, polymer is used only for the handguard, pistol grip, and butt plate. The compact design and retractable stock ensure high mobility and comfortable handling, making the replica ideal for CQB scenarios. 

High user comfort of the ASG replica

The safety / fire selector is located above the pistol grip, allowing quick and convenient switching between fire modes. The carbine is equipped with mechanical iron sights in the form of a hooded front sight and rear aperture. The replica features licensed Heckler & Koch markings, which will be appreciated by airsoft players who value authenticity.

HK53 A3 replica powered by green gas

The replica is powered by green gas, generating a muzzle velocity of approximately 330 FPS. The green gas reservoir is located inside the magazine.

Shooting precision of the ASG replica

The HK HK53 A3 6 mm is equipped with an adjustable hop-up system, allowing precise tuning of the BB trajectory to increase range and accuracy. The muzzle device features an M14x1 CCW thread, enabling the installation of additional accessories such as suppressors.

High-capacity magazine

The set includes a 35-round low-cap magazine, which, unlike hi-cap magazines, does not require winding and remains silent during movement.