Discover the ultimate performance boost for your airsoft gun with the Maple Leaf MR Hop Up Bucking. Specifically designed to enhance contact area and optimize performance for heavy BB pellets, this high-quality bucking features an innovative shield shape groove design and advanced C-ring from the renowned 'Transformer Hop' series. Perfectly compatible with Tokyo Marui TM, WE, KJW GBB, and VSR systems, it's the go-to upgrade for any serious airsoft enthusiast. Available in a range of sizes for a perfect fit.