- *Umarex GBB HK417 licensed by the German arms maker, Heckler and Koch, real steel markings. It is a modified version of the American M4 carbine with many changes.
- *Fully Licensed by Umarex
- *Authentic Replication of the Real Steel Version with Correct Markings Strong Recoil
- *.308 Style Magazine
- *Compatible Only with Umarex / VFC HK417 Gas Magazines
- *Version 2 Gas System for Improved Performance
- *Based On The Same Rifle Used In the Movie "13 Hours"
- *14mm CCW threaded outer barrel
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