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Colt Defense AR6721

1089 $1,089.00

Availability: In stock

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  • Unique direct gas operating system eliminates the conventional operating rod and results in fewer and lighter components 
  • Accommodates the full range of 5.56mm ammunition, including the NATO M855/SS109 and U.S. M193, utilizing a rifling twist of 1:9
  • Straight-line construction disperses recoil straight back to the shoulder, increasing handling capabilities, especially during repeated fire 
  • 4-position sliding buttstock allows the weapon to adapt to users of different sizes and physical characteristics as well as various firing positions and clothing variations 
  • Cartridge case deflector allows easy operation in both right and left handed shooting positions for increased tactical applications 
  • Muzzle compensator further reduces muzzle climb and helps eliminate flash and dust signatures 
  • Ejection port cover protects the chamber from dust and mud 
  • Field strips easily without special tools for simple field user maintenance 
  • Flat top receiver allows for removable carrying handle and easy mounting of accessories 
  • M203 40mm Grenade Launcher mounts directly to the Carbine without modification 
  • Two 20 round magazines, cleaning kit and sling are standard. 30-round magazines are optional 
  • Target style rear sight features dual apertures (0-200m, 300-600m) and adjusts for both windage and elevation 
  • High strength materials add durability to the forearm, buttstock and pistol grip for greater comfort and effectiveness 


  • CALIBER: 5.56mm (.223 Rem) 
  • METHOD OF OPERATION: Gas; Direct system; Locking bolt 
  • MAGAZINE CAPACITY: 2 - 20 round
  • FRONT SIGHT: Adjustable front 
  • REAR SIGHT: Target sight adjustable for windage and elevation 
  • FLASH HIDER: Bird cage style 
  • UPPER RECEIVER: Flat top receiver with detachable carrying handle
  • HANDGUARDS: Oversized double heat shield

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Weight, kg No
Manufacturer Colt
Barrel Length No
Caliber 5.56
Length (in) No
Weight, lbs No
UPC Code No
Rate of fire, rds. / Min. n/a
Muzzle velocity, m / s No
Brand No