E&L T191 GBB Hard Coat Anodizing 7075 Picatinny Rail Sections Set

E&L T191 GBB Rear Sight

E&L T191 GBB Bolt Catch Set

E&L T191 GBB O-Ring ( 8x1 )

E&L T191 GBB Pistol Grip Bottom Plate

E&L T191 GBB Hop-Up Nub

E&L T191 GBB Fire Control Spring Set

E&L T191 GBB Gas Tube Cap

E&L T191 GBB E-Ring ( φ7 )

E&L T191 GBB Rear Sight Conecting Bridge