Precision CNC-machined from a single piece of aircraft aluminum, the TRUGLO 1-Piece Picatinny Riser Mount allows you to elevate your optics a full 1/2" for enhanced performance and visibility, without rooting your cheek around on your stock to get a clear shot. This riser mount easily attaches to any flat top Picatinny rail without modification. Manufacturer model #: TG8970B. CNC-machined aircraft aluminum 1/2" riser Compatible with flat top Picatinny rails Roughly 4" long