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Used Centurion Arms AR-15 Upper Receiver W/ Criterion CORE AR15

How Buying WorksEnding October 15, 2026 at 9:45 PM

Key Features

  • Item Type: Rifle Upper
  • Manufacturer: Multiple Manufacturers
  • Model: Centurion Arms Upper Receiver With Criterion CORE 11.5" Barrel .223 Wylde
  • Caliber: .223 Wylde
  • Overall Condition: Very Good

Product Description

    Centurion Arms Upper Receiver Build Kit w/ Criterion CORE 11.5" .223 Wylde Barrel (Midlength Gas)

    This lot includes a Centurion Arms upper receiver paired with a Criterion CORE 11.5" .223 Wylde barrel configured for a midlength gas system. Also included is a Stag Arms 13.5" M-LOK handguard and an Adams Arms piston kit for a piston-driven setup.

    Upper receiver does not have all parts necessary for completion; parts will need to be sourced in order to build. Provided parts compatibility is not guaranteed.

Specifications

Item TypeRifle Upper
ManufacturerMultiple Manufacturers
ModelCenturion Arms Upper Receiver With Criterion CORE 11.5" Barrel .223 Wylde
Caliber.223 Wylde
Overall ConditionVery Good
Bore ConditionNew
What's IncludedCenturion Arms upper receiver, Criterion 11.5" .223 Wylde barrel midlength gas, Stag Arms 13.5" M-Lok handguard, Adams Arms piston kit, charging handle