Has an internal o-ring to form a perfect seal with the cylinder head
Ideal when used with SRC Aluminum AK Cylinder head.
Ideal when used with SRC AK metal hop up unit to create the best seal.
Has an internal o-ring to form a perfect seal with the cylinder head
Ideal when used with SRC Aluminum AK Cylinder head.
Ideal when used with SRC AK metal hop up unit to create the best seal.