iRMT-R MCSR 16" Upper

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iRMT-R MCSR 16" Upper


The iRMT-R MCSR 16" uses the iRMT-R upper receiver - CNC Machined from 7075-T6 billet aluminum. Its handguard mount is machined into the upper to strengthen it and maintain accuracy throughout long shot strings. Coupled with the receiver is the Seekins Precision 15” MCSR handguard which is specifically designed for use with a suppressor and has M-LOK attachments. Both receiver and handguard are Type III Hardcoat Anodized matte black.

This upper is fitted with a 16” Seekins Precision match grade barrel topped with our melonited Rook flash hider. Each barrel is inspected four times to insure match grade tolerances for maximum accuracy and performance.

Tuning the gas system is critical to maximize performance and reliability. The iRMT-R MCSR 16" comes with the Seekins Precision Adjustable Gas Block, rifle length gas tube and M16 Bolt Carrier Group to fine tune the gas system for smoother cycling and operation. All are Melonite coated to resist corrosion and wear. This also aids in easier cleaning, as carbon build up will not adhere to the non-reflective coated surface as much as it does on standard parkerized finishes.

  • Chambered in 223 Wylde
  • 16” Match Grade Barrel
  • Melonited Rook Flash Hider
  • Mid-Length Gas Sysyem
  • 15” MCSR MLOK Handguard
  • iRMT-R Billet Upper
  • Melonited Adjustable Gas Block, Gas tube and M16 Bolt Carrier Group


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