This is a PTR Industries Pistol known as the PTR-91 PDWR chambered in 308 Winchester, model PTR105.
The PDWR pistol features the aluminum milled handguard with an 8.5" bull barrel. The precision-welded top rail allows the addition of your favorite optic or use the traditional iron sights (included). The end cap is compatible with M4 buffer tubes or the included swivel end adapter. Includes one 20-round magazine.
Features:
Black finish
Tactical handguard
7.5 top rail;Paddle style magazine release;Welded scope mount;Removable 5/8x24 flash hider