Spikes Tactical Upper 5.56 18in LW SPR w/13.2in BAR2 Rail. 56 Special Purpose 18in Forged Upper Receiver then you've come to the absolute right location.. These AR15 Upper Receivers through the expert product professionals at Spikes Tactical are fashioned by using dependable and reliable materials to be able to supply you with a product which will be beneficial for quite some time. Manufactured utilizing some of the most useful accessible components and design these AR15 Upper Receivers from the product specialists at Spikes Tactical can last an incredibly long time. Spikes Tactical has been making high quality merchandise for a number of years and the Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver is their very own manner of showing you exactly how much they care. At OpticsPlanet we ensure that it is our obligation to purchase the most suitable product for all of your requirements and presenting the Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver is one thing that we're happy to offer. Specifications for Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver: Manufacturer: Spikes Tactical Caliber: 5.56x45mm NATO Barrel Length: 18 in Gas System Length: Rifle Length Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Condition: New Magazine Included: No Country of Origin: USA Package Contents: Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver What firearm models does the manufacturer say Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver is compatible with? The manufacturer suggests that Spikes Tactical 5.56 Special Purpose 18in Forged Upper Receiver is compatible with AR-15Spikes Tactical STU5260-R3S: Upper 5.56 18in LW SPR w/13.2in BAR2 Rail