Click to see full view
CMMG
Overview
The CMMG Mk4 Endeavor Upper Receiver Group is a complete assembly designed for the AR-15 platform, featuring an 18-inch barrel chambered in 5.56 NATO. This upper receiver utilizes an A4 receiver type, which offers a versatile and robust option for various shooting applications. Builders often choose this upper for precision-focused builds, where accuracy and reliability are key considerations.
Specifications
CMMG MK4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black
Available Merchants(1)
Prices checked
Stock Alert
Price and stock
Today the one retailer we track is out of stock. Listed prices start at $849.99 at Optics Planet for when it comes back.
Prices checked · refreshed daily across 37 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
Popular alongside upper receivers on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Bravo Company M16 Bolt Carrier Group Black
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!