High Performance Tubb Precision Flatwire Buffer Spring for AR-15 Rifles & Carbines. This Tubb Precision AR-15 Flatwire Buffer Spring fits both carbine and standard length stocks.
Now available for platforms using low pressure loads such as 300 Blackout and 300 Whisper.
Use the latest AR style buffer spring released by David Tubb in your 300 AAC Blackout or 300 Whisper. Using the latest technology and techniques in spring winding David Tubb had created a lighter weight buffer spring designed for those running platforms with lighter pressures. Be absolutely confident that your 300 Blackout or Whisper will function consistently every time with our new lightweight buffer spring. Take advantage in knowing that no matter what the conditions, your AR will cycle and feed providing you with a lifetime of worry and maintenance free operation.