Precision Reflex Mark 12 Mod 0 Gen III 5.56mm NATO AR-15 Upper Receiver

Description

Product Overview

Precision Reflex Mark 12 Mod 0 Gen III AR-15 upper receiver built for 5.56mm NATO performance. This ready-to-shoot upper features an 18-inch Douglas 416 stainless steel barrel with the appropriate Mark 12 Mod 0 details including rifle-length gas operation, a flat-top receiver, PRI front sighting, and a carbon fiber free-float handguard.

Key Features

• 18-inch Douglas 416 stainless steel barrel designed for Mark 12 Mod 0 configuration
• Rifle-length gas system with a fitted full auto bolt carrier for dependable cycling
• Flat-top receiver with full-length top rail and PEQ II removable rail section
• PRI flip-up gas block front sight and rear flip-up sight for practical on-target alignment
• Gen III rifle length carbon fiber free-float forearm for stable, lightweight support
• Gas Buster charging handle with big latch for faster, smoother operation

Built to replicate the Mark 12 Mod 0 setup while keeping modern AR-15 functionality—ideal for assembling a precision 5.56mm NATO rifle.