AR-10 20" .277 Fury DPMS Bolt Action Upper Receiver

.277 Fury 20" Bolt Action Upper Receiver This AR-10 .277 Fury Bolt Action Style Complete Upper has a 20" black parkerized SOCOM barrel and features a 1:7 Twist Rate. It includes a Rifle Length Gas System, an MLOK Split Rail, an M4 flat-top billet upper receiver, a Bolt Carrier Group, and a right-side bolt action style charging handle.