SUREFIRE INSTITUTE AR-15 COMPLETE M/4 LOWER RECEIVER

$139.99

SHUCKS! OUT OF STOCK!

Here are the specs

SKU:
REC0602
UPC:
631661617476

Combined with a patent pending fire control system, the proprietary lightweight polymer construction of the SFI-15 lower receiver provides a superior strength-to-weight ratio.

The SFI-15 uses the following metal parts:

  • Takedown pin detents and springs
  • Hammer/Trigger pins and springs
  • Bolt catch, spring, & roll pin
  • Magazine catch spring
  • Pistol grip screw
  • Buffer, buffer spring
  • Buffer detent and spring
  • Castle nut
  • Receiver end plate

All other parts are constructed using polymer