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Tombstone Tactical


Colt AR6721 AR6721 AR-15 Tactical Rifle 5.56mm 16in Heavy 30rd Black

Colt AR6721 AR6721 AR-15 Tactical Rifle 5.56mm 16in Heavy 30rd Black for sale at Tombstone Tactical.
Manufacturer: Colt
Part Number: AR6721
UPC Number: 098289023032
Category: AR-15 AR-10 - Rifles
Model: AR-15
Caliber: 5.56mm NATO
Action: Semi-Automatic
MSRP: $1450.00

Out of Stock

Watch List

AR6721 AR-15 Tactical in 5.56mm NATO, Colt part number AR6721

The Colt AR6721 AR-15A3 Rifle in 5.56mm features a 16-inch heavy barrel with 1 in 9 twist, matte black finish, flat top upper receiver, 4-position telescoping buttstock, front adjustable post sight, bird cage flash hider, front barrel lug, ejection port cover, cartridge case deflector, an overall length of 32 inches, an unloaded weight of 7 lbs, and a 30+1 round capacity.

From the manufacturer

Colt's Manufacturing AR6721 Semi-automatic 223 Rem 556NATO 16" Black 4 Position Collapsible Heavy Barrel Chrome Lined AR6721

  • Action - Semi-automatic
  • Type of Barrel - Heavy Barrel
  • Barrel Length - 16"
  • Chamber - Chrome Lined
  • Chokes - A2
  • Capacity - 30rd
  • Finish/Color - Black
  • Caliber - 223 Rem
  • Caliber - 556NATO
  • Grips/Stock - 4 Position Collapsible
  • Manufacturer - Colt's Manufacturing
  • Manufacturer part # - AR6721
  • Model - AR6721
  • Sights -

Availability: Out of Stock

We are not currently accepting back orders for this item. Please add the AR6721 AR-15 Tactical in 5.56mm NATO, Colt part number AR6721 to your watch list to be notified when this item is available again.


Pricing and Payment Methods

Arizona residents are subject to 8.6% sales tax.

Shipping Requirements

When purchasing a firearm or other restricted item, federal law requires that it MUST ship to a licensed dealer in your state. If you need assistance locating a dealer to have your firearm shipped to, please contact us or enter your zip code at the GunBroker FFL dealer network website.

NOTICE: Flat rate and free shipping only applies to the contiguous US. AK, HI, and other territories will incur additional shipping fees. Not all items can legally ship to all 50 states. Please be sure this item is legal in your location before placing an order. If in doubt, please contact us.

NOTICE: Our inventory can change rapidly. While we make every attempt to make sure the information on our website is correct, we can not guarantee that inventory statuses, titles, pictures, or descriptions on our site are entirely accurate. We reserve the right to cancel any order, including, but not limited to, orders for items with errors in the inventory status, price, or description. In the event that an order is cancelled, we will not charge you and we will return funds if payment has been sent.

Tombstone Tactical
10011 N Metro Pkwy E.
Phoenix, AZ 85051

Tombstone Tactical

10011 N Metro Pkwy E