The Ruger 250th Anniversary Stripped AR Lower Receiver 28502 commemorates America’s 250th Anniversary while providing the quality and precision Ruger is known for. Manufactured from forged 7075-T6 aluminum, this stripped lower receiver is built to Mil-Spec dimensions, making it an excellent starting point for a custom AR-15 rifle.
Finished with a durable Type III hard coat anodized finish, the receiver is engineered to withstand years of hard use while maintaining its appearance. An integrated upper receiver tension screw helps reduce play between the upper and lower receivers, providing a tighter fit for your build.
Exclusive commemorative engraving featuring “Made in the 250th Year of American Liberty” sets this receiver apart from standard Ruger lowers, making it an excellent choice for both collectors and builders looking to create a unique AR-15.
Whether you’re assembling a duty rifle, range gun, or commemorative build, the Ruger 250th Anniversary Stripped AR Lower Receiver provides a durable, reliable, and precision-machined foundation.
Key Features
- 250th Anniversary commemorative lower receiver
- “Made in the 250th Year of American Liberty” engraving
- Forged 7075-T6 aluminum construction
- Precision machined to Mil-Spec dimensions
- Type III hard coat anodized finish
- Integrated upper receiver tension screw
- Compatible with standard AR-15 lower parts kits
- Compatible with Mil-Spec AR-15 upper receivers
- Made in the USA
Manufacturer Specifications
Model Number: 28502
Platform: AR-15
Configuration: Stripped Lower Receiver
Material: Forged 7075-T6 Aluminum
Finish: Type III Hard Coat Anodized
Compatibility: Standard Mil-Spec AR-15 Components
Feature: Integrated Upper Receiver Tension Screw
Special Feature: 250th Anniversary Commemorative Engraving
Manufacturer: Sturm, Ruger & Co.
Country of Origin: USA
FAQ
Is this a complete lower receiver?
No. This is a stripped lower receiver and does not include a trigger, lower parts kit, buffer assembly, grip, or stock.
What makes this lower unique?
It features exclusive 250th Anniversary of American Liberty commemorative engraving, including the “Made in the 250th Year of American Liberty” marking.
What material is the receiver made from?
It is manufactured from forged 7075-T6 aluminum with a Type III hard coat anodized finish.
Will it accept standard AR-15 parts?
Yes. It is designed for compatibility with standard Mil-Spec AR-15 upper receivers and lower parts kits.
Does it include an upper receiver tension screw?
Yes. The receiver includes an integrated tension screw to help minimize movement between the upper and lower receivers.
Brought to you by Black Bayou Armory.






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