UTG Pro AR Pistol Extended Receiver Extension Tube Matte Black

UTG Pro AR Pistol Extended Receiver Extension Tube Matte Black. 8.5" Length Compatible with GHW Tailhook Mod 1 Brace. Finished in a Matte Black Type III Class II Hard Coat Anodize with a Dry Film Coated Interior Specifications for UTG Pro AR Pistol Extended Receiver Extension Tube: Manufacturer: UTG Pro Color: Black Finish: Matte Black Fabric/Material: 7075-T6 Aircraft Grade Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Length: 8.5 in Condition: New Country of Origin: USA Package Contents: UTG Pro AR Pistol Extended Receiver Extension Tube What firearm models does the manufacturer say UTG Pro AR Pistol Extended Receiver Extension Tube is compatible with? The manufacturer says that UTG Pro AR Pistol Extended Receiver Extension Tube is compatible with AR-15UTG Pro TLU009: UTG PRO AR Pistol Extended Receiver Extension Tube Black