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Product Info for Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver

The MDX508 upper receiver is now available as a direct upgrade to your existing Mil-Spec lower receiver. It features an 8.5 barrel making it ideal for close-quarters situations. The included HATEBRAKE increases reliability and is tucked under the 9.5 handguard. These upper receiver groups ship complete, including a Maxim Defense Mil-Spec or SCW bolt carrier group, Radian Raptor charging handle, and Maxim Defense hand stop, ready to shoot right out of the boximage

Specifications for Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver:

Manufacturer: Maxim Defense Industries
Overall Length: 17.5 in
Barrel Length: 8.5 in
Muzzle Device: Hatebrake
Finish: Cerakote
Handguard Style: M-LOK w/ Top Picatinny Rail System
Gun Model: AR-15
Barrel Material: 4150 Chrome Moly Vanadium

Features of Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver

  • 1. Increased reliability due to included HATEBRAKE
  • 2. Armorer level adjustable gas block
  • 3. M-slot compatible handguard
  • 4. Military-grade materials 17-4 Stainless Steel, 7075 and 6061 Aluminum
  • 5. HK height rail for a more rigid upper receiver
  • 6. Installs on any Mil-Spec lower receiver
  • 7. Comes with Mil-Spec or PDX BCG

Package Contents:

  • Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver

Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver Orderable Models

List of Orderable Models

  • Maxim Defense Industries MDX 508 U.R.G. AR-15 .300 AAC Blackout 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 5/8x24, HATEBRAKE, Arid, MXM-47928 , MPN: MXM-47928 , UPC: 680017479282 , Code: MDI-URC-MDX508-MXM-47928
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 .300 AAC Blackout 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 5/8x24, HATEBRAKE, Black, MXM-47929 , MPN: MXM-47929 , UPC: 680017479299 , Code: MDI-URC-MDX508-MXM-47929
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 7.62x39mm 8.5 inch Upper Receiver, Pistol Length, 1-10 Twist, 5/8x24, HATEBRAKE, Urban, MXM-48114 , MPN: MXM-48114 , UPC: 680017481148 , Code: MDI-URC-MDX508-MXM-48114
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 7.62x39mm 8.5 inch Upper Receiver, Pistol Length, 1-10 Twist, 5/8x24, HATEBRAKE, Black, MXM-47949 , MPN: MXM-47949 , UPC: 680017479497 , Code: MDI-URC-MDX508-MXM-47949
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 .300 AAC Blackout 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 5/8x24, HATEBRAKE, Urban, MXM-48113 , MPN: MXM-48113 , UPC: 680017481131 , Code: MDI-URC-MDX508-MXM-48113
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 7.62x39mm 8.5 inch Upper Receiver, Pistol Length, 1-10 Twist, 5/8x24, HATEBRAKE, Arid, MXM-47948 , MPN: MXM-47948 , UPC: 680017479480 , Code: MDI-URC-MDX508-MXM-47948
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 5.56x45mm NATO 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 1/2x28, HATEBRAKE, Urban, MXM-48112 , MPN: MXM-48112 , UPC: 680017481124 , Code: MDI-URC-MDX508-MXM-48112
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 5.56x45mm NATO 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 1/2x28, HATEBRAKE, Black, MXM-47909 , MPN: MXM-47909 , UPC: 680017479091 , Code: MDI-URC-MDX508-MXM-47909
  • Maxim Defense Industries MDX 508 U.R.G. AR-15 5.56x45mm NATO 8.5 inch Upper Receiver, Pistol Length, 1-7 Twist, 1/2x28, HATEBRAKE, Arid, MXM-47908 , MPN: MXM-47908 , UPC: 680017479084 , Code: MDI-URC-MDX508-MXM-47908
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