BROWNELLS AR-15/M16 RECEIVER TAPS & DIES The Brownells AR-15/M16 Receiver Taps & Dies are made from a high-speed steel that easily chase and clean up the two most important threads on the AR-15/M16 receivers. The 1-3/16″-16 TPI corrects out of spec or cross-threaded upper receivers and barrel nuts. The 1-1/4″-18 TPI makes the receiver extension tube and lower receiver threads uniform for easier installation. AR-15/M16 Receiver Round Die dimensions: 2.5″ outside diameter x 0.750″ long AR-15/M16 Receiver Hex Die dimensions: 2.157″ wide x 1.0″ long AR-15/M16 Receiver Tap dimensions: 4.0″ overall length, 0.765″ across shank flats Mfg: Brownells SPECS: High-speed steel. Plug taps; 2A 1/2″ (6.3cm) diameter dies.
WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps NiB-X Black Original price was: $155.00.$123.99Current price is: $123.99. 
Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 10.4'''' Medium Chrome Lined Barrel Black Original price was: $1,104.99.$1,039.99Current price is: $1,039.99. 
Ar-15/M16 Receiver Taps & Dies – Tap 1”” Dia, 1-3/16””-16 Tpi For Ar-15/M16
Original price was: $74.99.$59.99Current price is: $59.99. 
Chase & Clean Threads For More Accurate Installation

