Umarex - HK53 Gas Blow Back Rifle - Black CY-OG19 Rifle Sling

Rifle Sling

If you press these then the backplate comes off

Full Metal Body

Weight – 3

Auto lock and auto retention system

Umarex - HK53 Gas Blow Back Rifle - Black CY-OG19 Rifle SlingThe Heckler & Koch HK53 is a variant of the HK33 which is basically a 5. 56mm version of the famous H&K G3 rifle but resembles more of an MP5, and uses Heckler & Koch's famous roller delayed blowback system. The HK33 was in response to the United States adopting an intermediate cartridge during the Vietnam War. However, Germany didn't adopt the 5. 56mm NATO round until the arrival of the H&K G36 rifle. The HK33 was big and even its "Carbine" variant