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This upper half ships complete - barreled upper receiver with bolt carrier group, charging handle, and handguards!
This upper features a fully chrome-lined M4-profile barrel made of 4150 steel, with a 1:7" twist rate, a 5.56NATO chamber, and a permanently attached (pinned/welded) A2 flash-hider to reach 16" minimum length.
The receiver is flattop with picatinny rail, and the front sight base is "F"-marked so is the proper height for your rail-mounted rear sight (not included).
The bolt carrier is M16-style, and internally chrome-lined.
The upper includes your choice of handguards: C3 skinny carbine or C4 fat M4-style, in black, coyote brown, foliage green, and OD green.
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