Few pistol-specific optics have the durability and performance potential of the new AimpointA(R) ACRO(TM) Reflex Sight. As any competition or serious combat shooter knows, pistol optics are here to stay. The ACRO(TM) will transform levels of pistol speed & proficiency, just like previous AimpointA(R) products have elevated tactical rifle and carbine performance. The TangoDown AAM-01 mount is the perfect choice for installing the ACRO(TM) on your GlockA(R) MOSA(R) pistol slide. Precision machined from ordnance-grade steel, heat treated and then given a tough, durable Melonite finish for years of rust-free duty. Torx mounting fasteners are supplied, with Vibra-Tite VC-3 thread locking compound pre-applied for installation convenience. Features: -Ordnance-grade steel plate -Rust free, durable Melonite finish -Supplied Torx fasteners with VC-3 thread locking compound pre-applied Fits GlockA(R) Models: G34 Gen4 MOS G17 Gen4 MOS G19 Gen4 MOS G35 Gen4 MOS G40 Gen4 MOS G41 Gen4 MOS G17 Gen 5 MOS G34 Gen5 MOS G19 Gen 5 MOS G45 MOS OA Height: .200" Width: 1.00" Length: 1.93" Made in USA