SIG516 Gen 2 Complete Piston Upper Receiver Assembly, 10 in

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The SIG516 10" upper allow operators to upgrade their current  AR-15/M16/M4-type rifles from direct gas impingement systems to the SIG  SAUER advanced short-stroke pushrod piston system. This advanced operating  system reduces carbon fouling, excessive heat and unburned powder in the  action, ensuring reliability and function that is unmatched. A standard  5.56mm NATO chrome-lined chamber and bore ensure reliable function in  any environment. Barrels feature an A2 flash suppressor and are threaded  1/2 x 28 TPI, allowing the SIG516 to adapt to a number of aftermarket  accessories and suppressor mounts. All upper assemblies are shipped with  a recoil buffer and action spring. These components must be installed  to ensure proper function of the SIG516 upper assembly on your AR-type  lower receiver.

  • $1199.99