Hi-Point® Firearms Hush-Point 9mm/45Auto Specifications – Host Cap Thread: 1/2 x 28 & .578×28 – Full Auto Rated: NO – Pistol Caibers: 9MM to 45Auto – All Hi-Point® Firearms Huhs-Point suppressor features – Body- 7075 Aluminum – Monolithic Baffle- 7075 Aluminum – Muzzle Cap- 7075 Aluminum – Host Cap: 17-4 Stainless steel – Hush-Point 22 Thread 1/2×28 – Hush-Point 9/45 Thread 1/2×28 & .578×28 – Symmetical four-piece design