Constructed from heat-treated 17-4 stainless steel the FLOW 9k PCC delivers exceptional durability for demanding pistol caliber carbine platforms. Featuring FLOW-THROUGH technology it is engineered to reduce back pressure while standing up to high-volume use. Weighing just 8 ounces the FLOW 9k PCC provides an excellent balance of durability performance and handling. – The included ½×28 direct-thread adapter makes installation on PCC platforms quick and straightforward. – For even greater versatility the FLOW 9K PCC is compatible with multiple mounting solutions including: – Mini Stiction – Pistol Direct Thread – 3-Lug – Hub mounts – PRODUCT SPECIFICATIONS – WEIGHT 8.5oz / 239g (10.3oz / 293g with included direct thread adapter) – CALIBER 9mm 22 LR 17 HMR 5.7 300 BO Subsonic & Supersonic 350 Legend – MATERIALS Suppressor: 17-4 Heat Treated Stainless Steel Direct thread adapter: 17-4 Heat Treated Stainless Steel – COATINGS Suppressor: C-Series Cerakote Matte Black (Flat Dark Earth available) Direct thread adapter: Black Nitride – MOUNTS Ships with 1/2×28 direct thread adapter (Booster assembly 3-LUG HUB stiction and other direct thread adapters available) – BARREL LENGTH No restrictions – DURABILITY Full-auto rated for 300 BO. – MAINTENANCE Detailed cleaning should be performed every 1000 rounds. – TECHNOLOGY READINESS TR Level 9 Fully developed in production. – LENGTH ADDED TO BARREL 4.9in / 12.4cm with included direct thread adapter