Breek Arms Direct-Thread Universal Suppressor Hub 1/2x28 Stainless Steel Black. 375x24) engineered to provide a simple secure and repeatable mounting solution for HUB compatible suppressors. Designed for shooters who value durability precision and minimal added length the Direct Thread Universal Suppressor HUB is available in two premium material options: ultra-light Grade 5 Titanium for weight-obsessed builds or rugged 17-4 Stainless Steel (H900). Its tough wear-resistant finish with Black DLC on titanium models or Nitride on stainless models delivering exceptional hardness and corrosion resistance to thrive in heavy use and harsh conditions. Specifications for Breek Arms Direct-Thread Universal Suppressor Hub: Manufacturer: Breek Arms Color: Black Features of Breek Arms Direct-Thread Universal Suppressor Hub Direct thread to your barrel Universal HUB threads (1.375x 24) Barrel threading: 1/2x28 or 5/8x24 Material: Ti Gr5 or 17-4 Stainless Near-zero runout. Rock-solid consistent. Package Contents: Breek Arms Direct-Thread Universal Suppressor Hub Breek Arms BRK4600: Direct-Thread Universal Suppressor Hub 1/2x28 Stainless Steel Black