16 Inch XM-177 Style 5.56 Upper Receiver Flat Top - Tony's Custom Uppers
Item #: TCBYU16XM177
The 16-inch AR-15 XM-177 Style Upper Half Assembly is constructed from 4140 Chrome Moly and includes the complete barrel assembly, M4 feed ramps, and a 1 in 9 twist. The flat top upper receiver features a 11 ½" barrel with a 5 ½" flash hider pinned and welded in place.
No FFL required and easy installation - remove 2 pins, insert upper, and replace pins.
Bolt Carrier and Charging Handles are Sold Separately.
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