Ergonomic foregrip desiged for sporting AR-15 and AK type rifles.
Main body part of Ergonomics foregrip for airsoft. For 20mm picatinny rail.
This is the main body part, to hold it with the picatinny rail you need the retainer part.
You need to buy retainer part (http://shpws.me/MhHG) and use 2 M3 screws to hold it together.