Troy Drop In Battle Rails are direct replacements for all M16 and M4 carbine plastic hand guards. The Troy patented clamping design ensures a solid mounting platform. Its rifle length rails provide a true optical mounting platform that increases the modularity and accuracy of the M4. No gunsmithing is required as the Drop In Rail installs in less than two minutes and provides true U.S. Military Specification M1913 rails at 12-3-6 and 9 o'clock. Troy Drop In rail systems are machined from hardened aircraft aluminum and anodized in MIL-STD Type III hard coat and Teflon.
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