this hopup rubber is best suited for inner barrels with open hopup chambers

Features : QC3

It comes with a Lothar Walther barrel with rifled action

It is compatible with the following brands:

Scatterplot Sorbopads are laser cut from Sorbothane

Tasmanian Tiger M4 magasinlomme Levering af Våben & Ammunition this hopup rubber is bestGerman Tasmanian Tiger has made a series of nice M4 pouches for molle. It comes with a bungee buckle to secure the magazine. The pocket here is produced in really good quality with 700D Cordura. It has a size of: 13. 5 x 8 x 5 cm and weighs only 70 grams! Available in 4 colors: Black, Khaki, Olive and Coyote