The Alexander upper receiver for AR-15 platforms comes chambered in 17 HMR with an 18″ stainless steel barrel featuring fluting. The barrel has a 1:10″ rate of twist and a 1/2-28″ threaded muzzle with an A2 flash hider.
This upper receiver is designed to fit standard AR-15 lowers and includes an aluminum M-LOK handguard. The package comes complete with a 17 HMR conversion kit that contains a recoil cassette, magazine well insert, and magazine catch to fit most standard AR-15 lowers, along with two 10-round magazines.
Dimensions are 4.55″ H × 9.90″ W × 37.60″ L. The fluted stainless barrel paired with the included conversion kit makes this a ready-to-assemble upper receiver for AR-15 platform shooters.
