Description
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Complete upper fully assembled and ready to install on an AR-15/M16/M4 lower receiver
Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produces a reliable, smooth-functioning rifle
M4-profile, 16" barrel is chambered for military 5.56 NATO ammo; cutout for grenade/tear gas/bean bag launcher
Hard-chromed chamber and bore to resist corrosion
Barrel is high-pressure tested and magnetic particle inspected to ensure strength and durability
Extended M4 feed ramps for reliable feeding during rapid fire
Machined aluminum recoil buffer filled with HDTP (High-Density Tungsten Powder) helps reduce felt recoil and “bolt bounce”
Receiver top, carrier, and buffer face are discretely laser-etched with Spike’s Tactical spider logo
Laser-etched T-markings in rail slots won’t fade or rub off
Includes standard M4 plastic handguard A2 flash suppressor, bayonet lug, front sling swivel
Receiver - 7075 T6 aluminum, hardcoat anodized, black. MIL-B-11595E chrome-moly-vanadium barrel, chrome lined, phosphate coated, black. Bolt/Carrier - 8620 steel, Parkerized, matte black. 1-7" twist. Chambered for 5.56mm NATO. Fits mil-spec lower receivers with .250" pivot/takedown pins only.
SPIKES TACTICAL
100-008-498WB
100-006-994WB
M4 Flattop Upper Receiver Assembly
Mfr. Part: STU5025
