Zaffiri Precision Upper Parts Kit: The Foundation for Flawless Function
Elevate your next AR-15 build with the Zaffiri Precision Upper Parts Kit, the definitive solution for assemblers who demand reliability and precision from the ground up. Designed for the serious builder, competitive shooter, and meticulous hobbyist, this comprehensive kit delivers all the essential, high-quality small parts required to complete your upper receiver. Featuring mil-spec compatibility, meticulous machining, and a focus on durability, this kit ensures your firearm’s heart operates with seamless, trustworthy performance shot after shot.
| SKU | ZP-UPK-STD |
| Compatibility | Mil-Spec AR-15 Upper Receivers |
| Forward Assist Assembly | Included (Spring, Roll Pin, Pawl, Button) |
| Ejection Port Cover Assembly | Included (Cover, C-Clip, Spring, Roll Pin) |
| Gas Tube Roll Pin | 1x Included |
| Finish | Phosphate Coated for Corrosion Resistance |
| Package | All Parts Organized in Labeled Bag |
This meticulously curated kit eliminates the hassle of sourcing individual components, providing a perfect fit and immediate readiness for assembly. The phosphate coating offers a classic, durable finish that provides excellent oil retention and corrosion protection, forming a solid foundation for any custom coating or finish you plan to apply. Every spring, pin, and pawl is manufactured to exacting tolerances, guaranteeing smooth operation of the ejection port door and positive engagement of the forward assist mechanism. Trust in Zaffiri Precision’s reputation for excellence to supply the critical internal components that bridge the gap between a stripped upper and a fully functional assembly.
Is this kit compatible with my AR-15 build?
Yes. The Zaffiri Precision Upper Parts Kit is designed to be fully compatible with any standard mil-spec AR-15 upper receiver. Whether you’re building on a forged, billet, or stripped upper from a major manufacturer, these parts will fit and function as intended.
Does the kit include the dust cover door hinge pin?
Absolutely. The kit is complete and includes the often-overlooked but crucial roll pin for the ejection port cover (dust cover) hinge. You receive every necessary pin and spring to fully install both the ejection port cover assembly and the forward assist.
What tools are needed for installation?
Installation requires basic gunsmithing tools: a roll pin punch set, a gunsmithing hammer, and a vise block to securely hold your upper receiver. Proper tools prevent damage to the new parts and your receiver during the installation process.
Are these parts coated or raw steel?
All applicable steel components in the kit feature a manganese phosphate coating. This mil-spec finish provides superior corrosion resistance and creates a porous surface that holds lubricants better than raw steel, ensuring long-term reliability and protection.
Reviewed by our certified gunsmith team. 15+ years experience.
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