Bushmaster Firearms Int.Llc. Ar-15 5.56 16″ M4 Upper Kit

$559.99

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SKU: 2175201824445005 Categories: ,

Description

Bushmaster M4 Upper Receiver Kit, ready to complete your build. Kit includes fully assembled upper receiver, bolt carrier group, handguards, charging handle and detachable carry handle. Upper features a 16″ M4 barrel which is machined from 4140 chrome moly steel, chrome lined, has a 1-9 twist, has a front sight base installed on a .750″ barrel shoulder, 1/2-28 muzzle threads and an A2 flash hider installed. Upper receiver has M4 feed ramps, as well as a detachable carry with rear sight. Included complete bolt carrier group has a matte black phosphate finish, is chrome lined and is magnetic particle inspected. Mfg: Bushmaster Firearms Int.Llc. SPECS: Fits – AR-15 lower receivers.

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Brownells.com

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