Maxim Defense Industries MDX 508 U.R.G. AR-15 8.5 inch Upper Receiver
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The MDX508 upper receiver is a direct upgrade to your Mil-Spec lower receiver. It features an 8.5 inch barrel for close-quarters use. The included Hatebrake muzzle device sits under the 9.5 inch handguard. Upper receiver groups ship complete, including a Maxim Defense Mil-Spec or SCW bolt carrier group, a Radian Raptor charging handle, and a Maxim Defense hand stop. Fits AR-15 Mil-Spec lowers. Barrel material is 4150 Chrome Moly Vanadium. Handguard style is M-LOK with Top Picatinny Rail. Finish is Cerakote. HK height rail. Comes with Mil-Spec or PDX BCG.
Specifications
- Manufacturer:
- Maxim Defense Industries
- Category:
- upper-receiver
- Platforms:
- AR-15
- Length:
- 17.5"
- UPC:
- 680017479480
- MPN:
- MXM47948
- Required Component:
- Yes
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This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
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