This is our custom built AR-15 M4 Flat top Upper Assembly with Adams Arms Gas Piston. This is the "cadillac" upper we call the SuperNova. 16 inch Krieger Stainless Steel Barrel chambered in .223 Wylde 1-8 Twist! (Updated, Not as pcitured!) Samson Rail 9 EX Rail.) Mil-spec Upper receiver. We double check head-space and test fire after assembly. This barrel will stabilize all .223 or 5.56 bullets. Lilja barrels are the among the Best in the Business!

One piece bolt carrier is made out of high grade stainless steel and treated with a proprietary meloniting process that gives it the same, if not better, hardness level and corrosion resistance of hard chrome. Designed with "skis" on the back to eliminate any wear you may experience on the extension tube.

Tactical charging handle makes loading with a scope easier.

Absolutely no modifications required to lower. Uses the same mags as any 223/5.56. Will mate to any quality Mil-spec lower except some Colts with the Large diameter take-down pins. We do stock the adapter pins for these Colts.

Mil spec Receiver: 7075, T6 aluminum, flattop rail. Finished with mil-spec, hard-coat, black anodizing for protection from scratches, mars, and abrasion.

Adams Arms Gas piston system. We have tested several other gas piston systems and have settled on the Adams Arms for dependability and ease of cleaning. Has positions for full piston charge, reduced piston charge for suppressors and no piston charge for single shot firing. The Samson Evolution EX Rail extends under the gas piston block for a truly custom look and feel. Barrel has a Yankee Hill Recoil Compensator for reduced muzzle rise. This is one sweet silky smooth upper assembly! It is truly impressive.

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!

Flattop upper with Forward Assist and Port Cover
Krieger Stainless Steel 1 in 8" twist 16” Hand lapped barrel and Bead Blasted
PF Kissaki Compensator
Samson 9 EX Free Float forearm
Milspec bolt

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

Lead times are about 16 weeks. Email if you want to check current status or if you wish to have sooner and we will check if we can accomodate that.