COLT M4 UPPER RECEIVER 5.56 16″

Colt M4 5.56 NATO Upper Receiver 16″

• Model: LE6920CK
• UPC: 098289035295
• 5.56 NATO
• 16.1″ barrel
• 1:7″ twist
• Carbine length direct impingement gas system
• Threaded muzzle with A2 style flash hider
• Flip up sight
• Polymer handguard
• Full auto capable bolt carrier group
• Magnetic Particle Inspected (MPI) marked bolt
• Made in the USA

Colt M4 5.56 NATO Upper Receiver with 16″ barrel. This upper receiver features a 16″ barrel with 1:7″ twist. Has a carbine length direct impingement gas system, threaded muzzle with A2 flash hider, flip up rear sight and polymer handguard. The bolt carrier group is full-auto capable. If you are looking to build a new AR15 rifle or replace a worn out upper receiver this model from Colt is of the highest quality.