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CMT UPUR-2 Billet Upper Receiver

Billet 7075-T6 slick-side upper that keeps a shell deflector and dust-cover port while deleting the forward assist.

Price
$200
Weight
8.2 oz
Brand
Cross Machine Tool
Category
Upper Receivers

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Features

  • •5-axis-machined 7075-T6 billet
  • •8.2 oz
  • •No forward assist
  • •Shell deflector and dust-cover port
  • •M4 feed ramps

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Overview

Cross Machine Tool machines the UPUR-2 from 7075-T6 billet and removes the forward-assist housing while retaining both the shell deflector and a machined dust-cover port. The 8.2-ounce receiver has M4 feed ramps, engraved T-marks, a flat-top 1913 rail, and a Type III Class 2 hardcoat finish.

CMT lists compatibility with standard parts, mil-spec lowers, and most aftermarket handguards. That makes the UPUR-2 a less radical slick-side choice than CMT's UPUR-3, which also deletes the shell deflector and dust-cover provision.

Key Features

  • 5-axis-machined 7075-T6 billet construction
  • No forward-assist housing
  • Retains shell deflector and dust-cover port
  • M4 feed ramps
  • Engraved T-marks on the 1913 top rail
  • Type III Class 2 hardcoat anodized finish

Pros

  • +Deletes the forward assist without deleting the shell deflector
  • +Keeps a dust-cover port for a practical slick-side build
  • +Engraved T-marks keep optic and accessory positions repeatable

Cons

  • −At 8.2 ounces it is heavier than mainstream forged uppers
  • −Costs more than forged slick-side and conventional receivers

Detailed Specifications

compatibility
AR-15 platforms and mil-spec lowers
Material
7075-T6 billet aluminum
Finish
Type III Class 2 hardcoat anodized, black
weight
8.2 oz
feedRamps
M4
forwardAssist
None
ejectionPortCover
Port machined into receiver
shellDeflector
Included in receiver body
sku
UPUR-2

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Compatibility Tags

family: ar-patterninterface: picatinny-topreceiver: billet

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