This is a new custom built AR-15 223 Wylde upper with Lilja Chrome-moly Match grade steel barrel. What you see is what you get! Yankee Hill upper receiver with Yankee Hill Tactical Four Rail Free Float Forearm. Lija 3-groove barrel in 1-8" twist. We double check headspace assembly. This barrel will stabilize all 223 or 5.56 NATO bullets from the lightest up to 85 grain. Our customers are reporting that upper assemblies using these barrels are consistently shooting sub 3/4 moa! DOES NOT include bolt and carrier, or charging handle. Order these items separately under Accessories page.

Machined, 7075, T6 aluminum, upper receiver, with a 5" long flattop rail, accepts Picatinny-style rings and your tactical accessories. Finished with mil-spec, hard-coat, black anodizing for protection from scratches, mars, and abrasion. Includes case deflector, port cover, and forward assist.

Includes 3 Low Profile Rail Covers for ease of grip without bulk. These are removeable, rubber rail covers.

We are a FFL licensed manufacturer, but this upper can be shipped to an individual – no need to transfer through FFL. You are responsible to know the laws in your area!

Yankee Hill Flattop Upper
Lilja 1 in 8" twist 17” Match grade 3-groove Chrome-moly Steel Barrel

11 Degree Target Crown

Yankee Hill Four Rail Free-float forearm

Low Profile Command Arms Rail Covers (3)
Four Rail Gas Block

Stainless Steel Gas Tube

Feel free to ask all the question you have. We take the time to answer them all!