AR-15/M16 M4 Upper Receiver
Check state & local armory laws before ordering. Authorized FFL dealer locator available during secure checkout.
Specifications
Restriction
What is the AR-15/M16 M4 Upper Receiver?
AR-15/M16 M4 Upper Receiver
- 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
- Receiver top and carrier 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
SPECS: 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.
See all of our AR15s and AR15 parts here.
Threaded Barrel Restriction:
Threaded Barrels have restricted shipping to CA.
Restrictions & Policies
Threaded Barrel Restriction:
Threaded Barrels have restricted shipping to CA.
Every system is hand-fitted by master gunsmiths at our East Coast armory vault and undergoes a strict 4-stage optical shock and live-fire proofing test before dispatch to ensure sub-MOA reliability right out of the box.
Key Specifications & Features:
- Cartridge: 5.56x45 NATO
- Color: Black
- Item Weight (lbs): 7.000
- Action Type: Semi-Auto
- Cartridge Capacity: 30
In The Box / Package Contents:
- 1x AR-15/M16 M4 Upper Receiver Complete System
- 1x Factory Protective Packaging & Operator Manual
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