Hop-Up Chamber for AK
Chamber is made of strong polymer - Duracon. Designated for AK replicas. Advantages of polymer chembers are natural tightness and cold ressistance.
Hop-Up Chamber for AK - reviews
Number of reviews: 2 Average rating: 2.50
You better spend more, and buy a GOOD hop-up unit. This is a waste of money.
good material it fit with a little modify with dremel.