Aimpoint 12193 AR-15 Forward Extension Spacer 40mm
he Aimpoint AR-15 Forward Extension Spacer is designed for the CompM4 sight and Ring Base and Top. It raises the optical axis of the sight to 39mm and brings the sight forward 40mm.
Specifications:
- Raises Height to 39mm
- Brings Sight Forward 40mm
- Fits QRP2 and LRP
- For CompM4 and Ring Base and Top
- Black