Colt Quad Rail Interface System for Colt M4 Carbine 22 Long Rifle

Product #: 688933 Colt #: 576102 UPC #: 723364200953
Ships 03/30/2015 from MidwayUSA

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Product Information

This Colt Quad Rail Interface is specifically designed for the M4 Rimfire Carbine. It is the same rail utilized on the M4 OPS. The system allows for attachment of various accessories to the M4 22 LR handguard. Three polymer rail covers are included.

Does not fit AR15/M16 centerfire firearms.

Using genuine Colt parts ensures the same fit, finish, and quality found on the original firearm. Made on the same machinery and to the same standards guarantees factory safety, appearance, and proper function. Colt factory parts ensure the firearm will maintain its value over time.


  • Caliber: 22 Rimfire ONLY
  • Material: Aluminum
  • Finish: Black
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