Home / AR Rifles / Maxim Defense / Maxim Defense MDX 508 AR-15 Complete Upper Receiver 300 AAC Blackout 8.5" Barrel Black
Maxim Defense MDX 508 U.R.G. AR-15 300 Blackout 8.5" Complete Upper Receiver
$1,255.5 1 in
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Specifications
Caliber
Brand
Model
MPN
MXM47929
UPC
680017479299
MSRP
$1,255.5
Action
Semi-Auto
Barrel Length
8.5"
Fits
Mil-Spec AR-15 lower receiver
Color
Black
Description
The Maxim Defense 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 box. FeaturesIncreased reliability due to included HATEBRAKEArmorer level adjustable gas blockM-slot compatible handguardMilitary-grade materials [17-4 Stainless Steel, 7075 and 6061 Aluminum]HK height rail for a more rigid upper receiverInstalls on any Mil-Spec lower receiver
