QR Flat Top Riser NcSTAR has just made mounting a riser to your rifle a whole lot easier! Our Lightning Fast Quick Release Riser will allow you to swap out sighting systems in a snap! The QR Riser will add almost an inch to your base height making it possible to clear even the tallest front sight posts. Made of Solid Anodized Aluminum, this Riser is as tough as they come. The QR Riser is also STANAG Ring compatible. This item is must have any shooter that needs a fast and dependable Riser!