Bushmaster XM15 A2 Complete Upper Assembly - Black | 5.56NATO | 20" Barrel | A2 Handguard w/ Carry Handle | A2 Flash Hider

XM15®A2 20" CARRY HANDLE COMPLETE UPPER ASSEMBLY. Here's the final pieces you'll need to complete that Retro / M16 lookalike rifle youve been working on. We've made it easy with our complete upper XM15®A2 upper assembly that includes all the authentic pieces you'll need to finish that retro AR15 rifle. Featuring an A2 Carry Handle, 20" Chrome Lined Barrel, Chrome Lined Bolt Carrier Group and that authentic A2 front sight base, you're two pins away from finishing that retro rifle you've been dreaming about. Best of all, you'll have the Bushmaster® quality built-in too.

Features & Specifications
Caliber: 5.56 NATO / .223 REM
Barrel Length: 20"
Barrel Material: 4150 CMV
Barrel Finish: Phosphate Chrome Lined
Barrel Thread Pitch: 1/2 x 28
Twist Rate: 1:7
Weigh: 4.91 LB
Overall Length: 28 1/2"
Gas System: Rifle Length
Upper Receiver Material: 7075 Aluminum Alloy
Upper Receiver: A2
Bolt Carrier Group Finish: Chrome Lined Phosphate
Bolt: MPI & HPT Tested
Handguard: A2 Heat Shields
Muzzle Device: A2 Flash Hider
Front Sight: NON F-Marked A2 FSB
Rear Sight: 8/3 Fixed Carry Handle
Proudly Made In: U.S.A.