Hop Up Chamber G&G SG550/SG552/SG553

 This G&G hop up chamber for SG550/SG552/SG553 airsoft replicas is made of durable synthetic material. Once you’ve installed it in the replica, you can pull back the charging handle to get to it and adjust the hop up. This G&G hop up chamber for SG550/SG552/SG553 is intended to be used as a replacement for the standard hop up chamber.