Spike's Tactical 5.56 AR-15 Complete Upper Receiver Group - Quad Rail - 16"

Spike's Tactical brings its expertise to the forefront with this 5.56 NATO Complete AR complete upper with a Chrome Lined Barrel and Quad Rail. This complete AR upper from Spike's Tactical is a fully MIL-SPEC compliant upper initially designed for law enforcement and security professionals alike. Now Spike's Tactical provides the same high-standard configuration to the general population and does it at a price point that meets almost every shooter's budget expectations. Every feature on this upper denotes the best quality you will find, from the MIL-B-11595E Chromoly Vanadium Alloy barrel to the MIL-A-8625 Type III Class 2 Hardcoat Anodized Finish on an AR upper receiver.

Additionally, the Quad rail on the Spike's Tactical ST-15 LE is comprised of the ST BAR Rail system, and the M4 Flat Top is a full-length MIL-SPEC 1913 Picatinny rail. Included is a MIL-SPEC charging handle and the ejection port assembly is MIL-SPEC with 5.3.1.2 MIL-STD-171 Phosphate coating, and at the end of the barrel on this upper, you will find an A2 series flash hider.
Then Spike's Tactical takes it to another level by offering a lifetime warranty. So if you want to upgrade to the best weapon you have fired in forever, get your hands on this upper from Spike's Tactical.

Features:
Material: 7075 -T6 MIL - H -6088 Forging
Rail: MIL-SPEC 1913 Picatinny
Barrel Material: Certified MIL-B-1159E Chromoly Vanadium 
Rail System: ST BAR Rail System
Twist Rate: 1:7 Inch
Bolt Carrier Group: Spike's Tactical MIL-SPEC M16 BCG