Grey Ghost Precision AR-15 Forged Upper Receiver – Stripped, Black Anodized, M4 Feedramps, No Forward Assist or Port Door, .250″ Takedown Pin Holes

Precision, strength, and sleek design — the Grey Ghost Precision Forged Upper Receiver is built for serious shooters who demand durability and accuracy. Manufactured from mil-spec 7075-T6 aluminum and finished in black hard anodizing, this upper features a Rockwell surface hardness of 60, making it one of the toughest stripped uppers available.

Designed without a forward assist or port door, it caters to minimalist and competition-style builds where simplicity, weight savings, and snag-free performance are key.

Machined to tighter than Mil-Spec tolerances, GGP’s Forged Lower functions with nearly all available AR-15 parts kits and lowers. It is fachined from forged 7075-T6 aluminum with M4 feedramps, .250″ takedown pin holes, and engraved T-marks. NOTE: This Stripped Receiver DOES NOT include port door, forward assist or any small parts.

Grey Ghost Precision AR15 Cornerstone Forged Upper Receiver

Cornerstone Lower fans have been asking for years now; “Do you make a forged upper with the same gorgeous anodizing and tight fit as your lower?” Ask and ye shall receive!

Finally you can grab what we consider the best forged upper in the biz, and it is a perfect companion for your GGP Cornerstone Lower receiver. After all, accuracy comes from tight, precise tolerances that minimize all variables from the moment the hammer strikes the firing pin until the round leaves the muzzle. By perfecting the critical tooling dimensions to the smallest degree, a forged receiver can punch the same hole down range.

• Machined to tighter than Mil-Spec tolerances, the critical tooling dimensions are held to within +/ – .001″
• Machined from forged 7075-T6 Aluminum
• Black Hard anodized with a surface hardness of 60 Rockwell
• M4 Feedramps
• .250″ Takedown pin holes
• Engraved T-marks
• Functions with nearly all available AR-15 parts kits and lowers
• Match with our Cornerstone lower receiver for a solid and dependable fit
• Stripped Receiver DOES NOT include port door, forward assist or any small parts

⚙️ Key Features:

• Material: 7075-T6 Forged Aluminum

• Finish: Black Hardcoat Anodized (Type III)

• Surface Hardness: Rockwell 60 — extremely wear-resistant

• Feed Ramps: M4 Feedramps for enhanced reliability

• Pin Holes: .250” Takedown and Pivot Pin Holes – Standard mil-spec compatibility

• Top Rail: Flat-Top Picatinny for optics, sights, or accessories

• Design: Stripped Upper – No Forward Assist or Port Door

• Compatibility: Fits any standard AR-15 lower receiver and components

• Made in the USA

Whether you’re building a competition rifle, ultralight setup, or a modern minimalist AR, Grey Ghost Precision gives you the foundation to build with confidence and performance.

FAQ:

Q: Does this upper include a forward assist or port door?
A: No — this stripped upper is designed without a forward assist or port door, ideal for clean, lightweight, or competition-focused builds.

Q: Is it compatible with standard AR-15 lowers and components?
A: Yes — this receiver features .250” takedown pin holes and matches any mil-spec AR-15 lower.

Q: What makes this upper different from other stripped uppers?
A: The Rockwell 60 surface hardness provides superior wear resistance, and the minimalist design eliminates unnecessary parts for a cleaner profile.

Also Available :

AR-15 Upper Receivers