SKU: DMIRRC-1386B
MPN: RRC-1386B
The Billet Aluminum Rear Cover with Bearings in Black from Diversified Machine is a precision-engineered component designed for high-performance firearm applications. This rear cover serves as a protective housing for critical firearm components, featuring integrated bearing support for smooth operation under load. Whether you're building a custom firearm or upgrading an existing one, this billet aluminum rear cover delivers the quality and finish that discerning builders and mechanics expect from Diversified Machine's lineup.
Manufactured from premium billet aluminum, this rear cover offers superior strength-to-weight characteristics while resisting corrosion and thermal stress far better than cast alternatives. The integrated bearings are pre-installed and factory-aligned, eliminating guesswork during assembly and ensuring precise concentricity critical for vibration-free operation. The black finish is both aesthetically refined and functional, providing a modern appearance while protecting the aluminum substrate from oxidation.
At 3.94 lbs, the component is lightweight enough for performance applications while maintaining the structural integrity required for sustained high-RPM operation and load-bearing duty. This rear cover suits builders and mechanics restoring or modifying rear-axle assemblies, transmission housings, or differential carriers where OEM components may not suffice. Its design ensures compatibility with various firearm configurations, making it an essential upgrade for serious enthusiasts.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.