LPA AR Tactical Adjustable Picatinny Target Iron Sight Black. The MAS5 Sight series is manufactured from all steel and some aluminum alloy parts. This is a Professional Quality Tactical Sight Set; Not a Polymer / Plastic. Folding adjustable set (Front and Rear sight options sold separately) which is also removable for rifles / Lon-guns equipped with weaver and / or picatinny rail. This front sight is used in conjunction with the folding rear sight (MAS5) that incorporates a solid and fast opening and closing mechanism engineered to ensure a compact and snag resistant design. Specifications for LPA AR Tactical Adjustable Picatinny Target Iron Sights: Manufacturer: LPA Color: Black Rear Aperture Size: 0.12 in Sight Mounting Orientation: Top Mounted Sight Position: Front Gun Model: M4 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Front Sight Only Deployable: Yes Fabric/Material: Aluminum Alloy Steel Front Material: Steel Length: 1.33 in Blade Height: 0.29 in Rear Blade Height: 1.25 in Gun Type: Rifle Hand: Ambidextrous Mount Type: Picatinny Package Contents: LPA AR Tactical Adjustable Picatinny Target Iron Sights What firearm models does the manufacturer say LPA AR Tactical Adjustable Picatinny Target Iron Sights is compatible with? The manufacturer says that LPA AR Tactical Adjustable Picatinny Target Iron Sights is compatible with M4LPA MAS5: AR Tactical Adjustable Picatinny Target Iron Sight Black