The Bushmaster CM-15 has a carbon fiber lower and an aluminum upper keeping it lightweight. It does not have a forward assist or dust cover. Product Features Manufacturer: Bushmaster Gun Type: Rifle: Semi-Auto Model Series: CM15 Caliber: 5.56 NATO|223 Action: Semi-Automatic Mag. Capacity: 30+1 Finish: Black Stock: 6-Position Telescoping/ A2 Pistol Grip Sights: FT: A2 Post RR: None Barrel Length: 16" M4 Contour Overall Length: 32.5" with Stock Collapsed Features: Mission First Tactical Polymer Quadrail with Covers
WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to
government M16 specs, then given WMD's proprietary NiB-X nickel boron
coating that results in a super-smooth, harder-than-chrome surface.Drop in
for AR15 / M16 rifles.