AR15 223 5.56
7" Keymod Handguard One Piece Free Float AR15 223 5.56
Including Steel barrel nut,
6061-T6 Lightweight Aluminum
Monolithic top rail is continuous with flat top receiver
the detachable Keymod at the 3-side positions.
Sectional Rails Can Be Moved To Different Positions
inside diameter: 1.70"