Alpha hop-up chamber Tensioner (Loose)

Description If you want to use buckings that have tight lips, you can use this tensioner ring Recommended for Maple Leaf Super Macaron, G&G Green With this tensioner ring and ML buckings you can expect little resistance when loading a BB. If you want more resistance use the included Black Tensioner. Recommended for AEG Alpha when using with ML buckings The product itself is White POM with 1 groove!