Brownells Ar-15/M16 Receiver Taps & Dies

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Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250″-18 tpi – Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16″-16 tpi – Makes receiver extension (recoil buffer) tube and lower receiver threads uniform for easier installation. Mfg: Brownells SPECS: High-speed steel. Plug taps; 2 1/2″ (6.3cm) diameter dies.