The AR-15A3 model AR6721 is an exceptional patrol rifle with tactical accuracy chosen by federal, state and local agencies. The 16.1" (40.9 cm) heavy barrel with 1 in 9" (229 mm) rifling twist allows flexibility in ammunition selection. The telescopic butt stock adjusts to four positions to enhance mobility and fit to a wider range of operators. In position, the removable carrying handle provides an M16A4 target style sight adjustable for windage and elevation to 600 meters. Easily removable, the flat top upper receiver allows for easy mounting of optical, night vision and other tactical sighting systems. The tactical carbine is the answer to all the requirements of modern law enforcement.

• 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 

Model: AR6721 - AR15A3 Tactical Carbine 
Finish: Black anodized receiver; black oxide barrel 
Action: Semiautomatic, gas operated, locking bolt Caliber: 5.56mm (.223 Rem) 
Capacity: 20 rounds; 30 rounds optional Barrel Length: 16.1"" HEAVY barrel Overall 
Length: 32"" to 35"Rifling Twist: RH; 1 turn in 9"Rifling Grooves: 6 
Trigger: Smooth 
Front Sight: Adjustable 
Rear Sight: Detachable carrying handle with integrated M16A2 target style; adjustable for windage and elevation to 600 meters 
Sight Radius: 14.5"
Weight: 7.0 lbs. (empty) 
Special Features: Carry handle detaches to allow optical mounting of tactical sighting system. Cartridge case deflector for left handed shooting. Two 20 round magazines, cleaning kit and sling are standard. Can be field stripped without special tools.