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RSR Stock #: APAR700202AC
Manufacturer Part #: APAR700202AC
UPC: 815421021554

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Aero Precision, M4E1 Assembled Upper, Flat Dark Earth, AR15

Warning WARNING

GLOCK DISCLAIMER

"GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H.  Neither RSR Group, Inc. nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.  The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components.  For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit www.glock.com.

  • Works with standard AR15 components
  • Perfect for your custom AR15 build
  • M4 Feedramps
  • Includes threaded forward assist roll pin

Product Description

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts.

Specifications