Troy Enhanced Rail, 7", Drop In, Picatinny on All Four Sides, Four Built-in Sockets Fits QD Swivels, Fits AR-15 Rifles, Black SRAI-DID-D7BT-00
Specifications:

Type	Rail
Firearm Type	Rifle
Firearm Model	AR-15/M16/M4
Material	6005A-T6 Aluminum
Finish	Black
Features
Adjustment Type
Positions
Length of Pull
Rails
Texture Type
Swivel Studs
Free Floating
Grip Type
Tube Included
Max Capacity