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

sandwiched in-between is a plastic stiffener layer

The Franchi SPAS-12 Tri burst airsoft shotgun is based on the real SPAS 12

With the Polarstar JACK engine

SHS 18:1 Ratio Metal Gears

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.