The Agency Arms Billet Magazine Release is manufactured for a variety of GLOCK pistols. It features a serrated and enlarged face that is 3/64" longer than the standard magazine release. Machined from 6061 Aluminum and MIL-A-8625 Type 3 Hard Anodized. It will not fit wide frames or single-stack frames.Features :Machined from 6061 AluminumAnodized FinishSerrated and Enlarged Face"3/64" Longer than Standard GLOCK Magazine Release"Fits GLOCK Gen 3 Pistols