Beretta JAXA1F921TAC: Beretta APX A1 Tactical it was developed in collaboration with special forces units to offer peakperformance and unmatched durability. The pistol comes packed with features such as 1/2\"-28 threaded barrel, blacked out suppressor height sights; increased mag capacity; red dot optic-ready; 3 slot Picatinny rail; serrated combat trigger guard; ambidextrous reversible mag release and slide release. Includes three 21rd extended magazines and interchangeable backstraps (S,M,L)