CMMG AR-15 Barrel Sub Assembly 18" Medium Taper Profile 5.56 NATO 416 Stainless Steel Bead Blasted Finish

Item No. FC-815835016184
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Brand: CMMG, Inc.
MFR #: 55D660A
UPC: 815835016184
Item #: FC-815835016184
Typically ships within 5 to 7 business days

CMMG AR-15 Barrel Sub Assemblies Are the Perfect Way to Either Replace an Existing Barrel or Start Your New Build off on the Right Foot

CMMG is excited to be able to be able to offer you high quality AR-15 barrel sub assemblies made from high quality materials on precision machinery by skilled manufacturers. All of which adds up to the quality and performance you have come to expect from CMMG.

This particular barrel is chambered in the 5.56 NATO cartridge and is 18" long. The barrel is made from 416 Stainless Steel and features the ultra durable bead blast finish.

CMMG AR-15 Barrel Sub Assembly (Bead Blast Finish) Specifications and Features:

  • CMMG 55D660A
  • 5.56 NATO (accepts .223 Remington)
  • 18" Barrel
  • Medium Taper Profile
  • 1:7" Twist Rate
  • Threaded 1/2x28
  • Rifle Length Gas System
  • .750" Gas Journal
  • M4 Barrel Extension
  • Factory Headspaced
  • 416 Stainless Steel
  • Bead Blasted Finish
  • AR-15 Mil-Spec Upper Receiver Assemblies