The Airtech Studios ARA - or Advanced R-HOP Arm, is specially designed to be a drop-in upgrade to mitigate the risk of modifying the original arm to give a perfect, evenly forced pressure on the R-Hop patch. Special types of nubs will no longer be required as this is incorporated to this arm.
- Made with high strength, fiber reinforced, injection molded polymer
- Airtech Studios R-hop and Flat-hop Arm For G&G M4 Rotary Series
- Compatible with G&G's new rotary hop up system
- Provides perfect top-down-center force evenly across a R-Hop patch
- Easy to install drop-in hop up arm, no modification required
- No need to modify the stock arm or use special aftermarket nubs
**NOTE** G&G hop up unit / chamber NOT included