Yankee Hill Machine A3 Upper Receiver Assembly
Precision-machined A3 upper receiver for AR-15 platforms. 7075-T6 aluminum construction with M4-style feed ramps, forward assist, and dust cover. Accepts standard upper parts and mil-spec lower receivers.
Yankee Hill Machine A3 Upper Receiver Assembly
Yankee Hill Machine has established itself as a trusted manufacturer of quality AR-15 components, and their A3 Upper Receiver exemplifies that commitment to precision and reliability.
Construction & Design
Material & Manufacturing
- Forged from 7075-T6 aluminum for superior strength and durability
- 100% machined in-house by Yankee Hill Machine
- Hard-anodized black finish provides corrosion resistance and a professional appearance
Functional Features
- M4-style feed ramps ensure reliable ammunition feeding
- "T" markings for proper sight alignment
- Interior coated with dry film lubricant for smooth operation
- Integrated forward assist for positive bolt closure
- Dust cover assembly included
Compatibility
This upper receiver is designed to work seamlessly with:
- Standard AR-15 upper receiver parts and accessories
- Mil-spec lower receivers
- Your existing AR-15 platform
Why Choose This Upper
When you select a Yankee Hill Machine upper receiver, you're investing in American-made precision. The in-house machining process ensures tight tolerances and consistent quality across every unit. Whether you're building a new rifle or upgrading an existing platform, this A3 upper provides the foundation for a reliable, accurate shooting system.
Features
- weight: 8.384 oz
- made from 7075-t6 aluminum (forged)
- m4 style feed ramps and t" markings"
- inside coated with dry film lube
- accepts standard upper receiver parts (dust covers, forward assists, etc.)
- accepts mil-spec lower receivers
- hardcoat anodized matte black to military specifications or better
- forward assist
- dust cover assembly
