Product Info for Primary Arms SLx Mini Reflex Offset Mount For PAO MicroPrisms The Primary Arms Mini Reflex Offset Mount is an optional accessory for the Primary Arms SLx 3x MicroPrism Optic System. This offset mount connects to your factory SLx 3x MicroPrism mount and acts as a built-in host for almost any mini reflex sight. With a 32.5-degree angle offset, this mount is compatible with all GLOCK MOS pattern adapter plates, making it easy to connect almost any mini reflex sight as a CQB backup to your main MicroPrism optic. This riser features the same reliable materials and construction as your factory risers and mounting equipment, and it comes backed with a lifetime warranty. WARNING: California`s Proposition 65 Specifications for Primary Arms SLx Mini Reflex Offset Mount For PAO MicroPrisms: Manufacturer: Primary Arms Color: Black Finish: Hardcoat Anodized Gun Model: AR-15 Gun Type: Rifle Fabric/Material: Aluminum Gun Make: AR Platform Package Contents: Primary Arms SLx Mini Reflex Offset Mount For PAO MicroPrisms