Kaw Valley Precision Barrel Extender Threads per Inch 1in Black Small. This barrel extension made by the experts at Kaw Valley Precision fits all industry standard interfaces and thread pitches making it a great addition to your firearm build. This Kaw Valley Precision 1in Rifle Barrel Extender includes wrench flats for simple installation and removal. This high quality barrel extension is designed for use with 9mm diameter projectiles and smaller so it's the perfect addition to any modification you make to your weapon. Enhance your firearm's length and functionality with the help of this Kaw Valley Precision 1in QPQ Barrel Extender. Specifications for Kaw Valley Precision 1in Barrel Extender: Manufacturer: Kaw Valley Precision Condition: New Color: Black Fabric/Material: Steel Features of Kaw Valley Precision 1in Barrel Extender Swiss Lathe Produced Package Contents: Kaw Valley Precision 1in Barrel Extender Kaw Valley Precision KVP-BE-100-5824: Barrel Extender 5/8x24 Threads per Inch 1in Black Small