Maple Leaf MR Hop Up Bucking AEG Degree:80 Contains all the parts for

Contains all the parts for your airsoft 1911 gas co2 tactical gun model like body pins and such

With the Polarstar JACK engine

SHS 18:1 Ratio Metal Gears

Works with models Umarex models 2279019 and 2279020

Maple Leaf MR Hop Up Bucking AEG Degree:80 Contains all the parts forMaple 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.