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M16 Upper Receiver Groups now available from Colt!  These 20” Upper Receiver Groups feature the same barrel used on M16A2 and M16A4 rifles, which has a Government profile and feature a chrome lined bore and chamber, along with a 1-7 twist.  Colt has paired two of these models with Magpul MOE handguards to make them fully modular.  Additonally these are available with or without a charging handle and bolt carrier group.

 


Big Book Catalog, Issue:73, Page:003

COLT - M16 R0901 5.56 COMPLETE UPPER RECEIVER GROUPS

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Cartridge: 5.56 mm NATO

Finish: Black

Style: Complete

Contour: Carbine

Length: 20"

Muzzle: 1/2-28, ...

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This item is currently unavailable for backorder.

Cartridge: 5.56 mm NATO

Finish: Black

Style: Complete

Contour: Carbine

Length: 20"

Muzzle: 1/2-28, ...

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Out of Stock

Cartridge: 5.56 mm NATO

Finish: Black

Style: Assembled

Length: 20"

Muzzle: 1/2-28

Twist: 1-7