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MEAN Arms Bearing Delay 9mm Upper Receiver

Complete tunable ball-bearing-delayed 9mm upper for standard AR-15 or compatible pistol-magazine lowers.

Price
$1,420
Brand
MEAN Arms
Category
Uppers

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Features

  • •Ball-bearing delayed 9mm action
  • •4.5, 7.5, 11, 14.5, and 16-inch barrels
  • •1/2x28 threads
  • •Uses standard AR-15 buffers
  • •Includes two lifters and two ejectorless EndoMags without PMAG bodies

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Pros

  • +Delayed action avoids relying only on a heavy blowback bolt
  • +Five barrel lengths cover pistol, SBR, pinned, and rifle paths
  • +Works with standard AR-15 buffers and includes two ejectorless EndoMags

Cons

  • −Costs more than many complete blowback AR9s
  • −Dedicated pistol-magazine lowers may need ejector removal

Detailed Specifications

caliber
9mm
barrelLength
4.5, 7.5, 11, 14.5, or 16 inches
action
Tunable ball-bearing delay
muzzleThread
1/2x28
buffer
Standard AR-15 buffer
included
Complete upper, two lifters, and two ejectorless EndoMags; PMAG bodies not included

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Compatibility Tags

family: pccfamily: ar-patternplatform: custom-ar-9caliber: 9mmthread: 1/2x28interface: picatinny-tophandguard: mlokmag-type: mean-endomagmag-type: mean-exomagar9-system: mean-bearing-delayassembly: includes-bcgassembly: includes-charging-handlereceiver-pattern: ar-15receiver-pattern: ar-pcc

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