Modify Baton Ryusoku Flat Hop Up Bucking - Hard Pouches This size is commonly found

This size is commonly found in red dot sights

Full trademarks compliments of Umarex and H&K (Heckler & Koch)

The famous M93R is now upgraded with the latest KWA NS2 gas system

Hop up is set for use with

you will need the 90 degree piston instead of this one

Modify Baton Ryusoku Flat Hop Up Bucking - Hard Pouches This size is commonly foundThe Modify Baton Ryusoku Flat Hop Up Bucking is a Hard style hopup flat rubber bucking with flat nub for use in upgraded AEG airsoft electric guns. Includes the Hard rubber bucking. For use in all AEG hopup chambers works in all upgraded (like a Prowin) or factory type chambers. For use with guns shooting around or above 400 FPS. Most people use the soft style, but the hard is good too. Very popular with a cult following of users. If you're looking