Colt AR-15A3 AR6721 Restricted LE Carbine 5.56 NATO 16" HBAR Barrel *New Old Stock*

Description:
MANUFACTURER: COLT DEFENSE
MODEL: AR-15A3 TACTICAL CARBINE (MODEL AR6721)
YEAR MANUFACTURED: EARLY 2000's 
COUNTRY OF ORIGIN: UNITED STATES
SERIAL NUMBER: LBD030526
ISSUE DATE: RESTRICTED LAW ENFORCEMENT PRODUCTION ERA
ISSUED BRANCH: LAW ENFORCEMENT / GOVERNMENT SALES CONFIGURATION
ARMORY MARKS: "RESTRICTED MILITARY / GOVERNMENT / LAW ENFORCEMENT / EXPORT USE ONLY" RECEIVER MARKING; COLT DEFENSE HARTFORD, CONN. U.S.A.; BARREL MARKED "C MP 5.56 NATO 1/9 HBAR"
CALIBER: 5.56 NATO / .223 REMINGTON
CAPACITY: 20-ROUND MAGAZINES (2 INCLUDED)
BARREL LENGTH: 16.00"
BARREL FEATURES: CHROME-LINED HBAR PROFILE, A2 FLASH HIDER, THREADED MUZZLE
RIFLING: 1:9 RIGHT-HAND TWIST
OVERALL LENGTH: 32.00"–35.50" 
LENGTH OF PULL: 10.50"–13.75" (ADJUSTABLE)
OPERATING SYSTEM: DIRECT GAS IMPINGEMENT
ACTION: SEMI-AUTOMATIC 
TRIGGER: MIL-SPEC SINGLE-STAGE
IRON SIGHTS: DETACHABLE CARRY HANDLE A2 ADJUSTABLE REAR / A2 FRONT 
OPTICS: PICATINNY FLAT-TOP RECEIVER 
STOCK: FORGED 7075-T6 ALUMINUM RECEIVER WITH COLLAPSIBLE 4-POSITION STOCK AND POLYMER HANDGUARDS
GRIP: A2 POLYMER PISTOL GRIP
FIREARM FINISH: MATTE BLACK ANODIZED HARDCOAT 
CONDITION: FACTORY NEW OLD STOCK, UNFIRED, WITH ORIGINAL BOX AND FACTORY-PACKAGED ACCESSORIES
ADDITIONAL FEATURES: DETACHABLE CARRY HANDLE, HBAR CONFIGURATION, RESTRICTED ROLLMARK, ORIGINAL COLT BOLT CARRIER GROUP, SLING SWIVELS
WHAT’S INCLUDED: RIFLE, TWO FACTORY 20-ROUND MAGAZINES (SEALED), CLEANING KIT, OWNER'S MANUAL, FACTORY BOX

Offered here is a highly desirable Colt AR-15A3 Tactical Carbine, Model AR6721, chambered in 5.56 NATO and featuring the iconic "RESTRICTED MILITARY / GOVERNMENT / LAW ENFORCEMENT / EXPORT USE ONLY" receiver marking that defined Colt's law enforcement production during the Federal Assault Weapons Ban era. This example remains factory unfired and is preserved as true New Old Stock, complete with its original Colt factory box and sealed accessory package. Collectors recognize these restricted-marked Colts as some of the most sought-after modern-production AR-15 variants ever produced by Colt Defense.

The AR6721 combines Colt's proven direct gas impingement operating system with a 16.00-inch chrome-lined HBAR barrel marked "C MP 5.56 NATO 1/9 HBAR," providing excellent durability and accuracy. A forged flat-top upper receiver accepts modern optics while retaining the included detachable carry handle with fully adjustable A2 rear sight. The collapsible stock, forged receivers, A2 flash hider, double heat-shield handguards, and mil-spec fire control components deliver the rugged reliability that made Colt carbines the benchmark for law enforcement agencies across the United States.

Manufactured during the restricted sales period, this rifle represents an important chapter in Colt's history when civilian sales of certain configurations were limited while law enforcement and government contracts continued. The distinctive restricted receiver legend, Colt Defense Hartford rollmark, and classic prancing pony logo have become defining collector features of this generation. As original examples disappear into long-term collections, untouched rifles retaining their factory packaging have become increasingly difficult to locate.

This is the kind of Colt that serious AR collectors wait years to find—an authentic restricted-rollmark AR6721 preserved exactly as it left Hartford. Factory unfired, complete, and exceptionally well preserved, it represents a scarce opportunity to own one of the defining Colt law enforcement carbines of the early 21st century. National Armory is proud to offer this outstanding collector-grade Colt to the next steward who appreciates both its history and its enduring place in the evolution of America's most recognizable rifle.

***Please see pictures for condition and wear***

SHIPPING INFORMATION:
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Layaway is available on purchases of $749.99 and above, see Additional Terms of Sales for details.

PROCEDURES:
IF YOUON A GUN AND DECIDE TO CANCEL YOURWE ARE UNABLE TO DO THAT FOR YOU PER GUN ’S POLICY. IF THE ENDS AND NO OTHER BIDS HAVE COME IN ON THAT GUN AND YOU STILL DO NOT WANT IT YOU WILL BE SUBJECT TO A 20% RESTOCKING FEE

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PURCHASES ARE SUBJECT TO SALES TAX FROM

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DISCLAIMER
All pre-owned firearms offered by National Armory are thoroughly inspected by our on-site gunsmith to ensure they are in proper working condition. While test firing may or may not be conducted, all firearms are evaluated for basic function and safety. It is solely the buyer’s responsibility to be familiar with and comply with all federal, state, and local laws regarding firearm ownership and accessory restrictions, including but not limited to magazine capacity and prohibited features. All sales are final.

Rifle Caliber: .223 Remington
Manufacturer: COLT
Model: AR-15A3
Serial Number: LBD030526
Barrel Length: 16.00
Condition: NEW

Price: $1,574.99
Shipping: $39.99
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