Maple Leaf MR Hop Up Bucking AEG Degree:80 sandwiched in-between is a plastic

sandwiched in-between is a plastic stiffener layer

with HAZMAT shipping costs included in its price

so you can decide which one works best

With the Polarstar JACK engine

Maple Leaf MR Hop Up Bucking AEG Degree:80 sandwiched in-between is a plasticMaple Leaf MR Hop Up Rubber Bucking for AEGs R Hop. Works in airsoft AEG barreled guns. Comes in a variety of different degrees. We recommend the 70 degree unless you have a specific use. The MR series buckings from Maple Leaf utilize a R Hop style hop up system and are designed to be used with the Maple Leaf Omega Tensioner. These buckings will fit all standard AEG type barrels.