Advanced Receiver Extension

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This is an extremely high quality 7 position carbine length buffer tube. Features anti tilt and anti rotation tabs and is every so slightly (1-2mm) longer than a mil-spec buffer tube). We consider this buffer tube ideal for anyone is a) locking a telescoping stock into one position (More choices for position) or anyone who is using a buffer end stock that uses a carbine style buffer tube. If you are completely enclosing your buffer tube within a fixed stock, save your money and get one of our enhanced buffer tubes instead.

  • Materials: 7075-T6 Aluminum 
  • Length:7.28"
  • Tube Dia. 1.145"
  • Weight: 3.8oz
  • Bottom and rear drainage holes
  • 7 positions

From the manufacturer

The Strike Industries Advanced Receiver extension brings an updated aesthetic and increased functionality to an often neglected, yet highly important component of the AR15/AR10 weapon system.  The scalloped surfaces decrease friction with tight fitting stocks, and shaves weight while retaining mass in critical stressed areas.  Further enhancements include a supported buffer retaining tab that also serves to more easily index your receiver extension.  The SI Advanced receiver extension is machined from 7075-T6 aluminum for much greater strength than your standard 6061 tubes.  Upgrade your AR and stand out from the pack with the SI Advanced Buffer Tube.