Colt 6920

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The Colt LE6920, largely a civilian cousin of the M4 Carbine, though with a slightly longer barrel and a Magpul MBUS replacing the standard carry handle / sight.

The Colt 6920 series is a line of semi-automatic AR-15 rifles chambered in 5.56x45mm NATO made by Colt's Manufacturing Company. They are one of many model numbers and variations produced by Colt over the years and there are quite a few models in the 6920 series. Fundamentally, they're Colt's non-military variations of the M4 Carbine, though the OEM1 and OEM2 variants CAN come with slightly longer barrels.

Older models produced during the Federal Assault Weapons Ban (1994-2004) will feature law enforcement markings, e.g. "Law Enforcement" on the Colt LE6920). This has helped to make them somewhat collectible since many consider them an interesting and important part of U.S. history.

Older models seemed to have a more charcoal / "light" black finish. This appears to be different from the darker black finish that the Colt 6920 series now ships with.


Specifications

Specifications vary somewhat between variations. Many (but probably not all) are listed below.


Variants / Configurations

Colt LE6920 ("Colt M4 Carbine")

  • Action: Gas Operated Semi-Auto
  • Caliber: .223 Remington / 5.56x45mm NATO
  • Barrel Length: 16.1"
  • Capacity: 30+1
  • Trigger: Standard
  • Safety: Reversible Safety Selector
  • OAL: 35.5"
  • Weight: 6.95 lbs
  • Stock: Black 4-Position Collapsible
  • Metal Finish: Black
  • Muzzle: A2 Flash Hider
  • Receiver Material: 7075-T6 Aluminum
  • Sights: A2 Front, Magpul Rear
  • Barrel Description: Chrome-Lined
  • Twist: 1:7"
  • Purpose: Duty / Range
  • Finish: Black
  • Overall Length: 32 to 35
  • Features: Front Barrel Lug/ Ejection Port Cover


Colt LE6920-EPR ("Enhanced Patrol Rifle EPR")

AKA "Enhanced Patrol Rifle EPR" (per Colt's website):

  • Action: Gas Operated Semi-Auto
  • Caliber: .223 Remington / 5.56x45mm NATO
  • Barrel: 16.1"
  • Capacity: 30+1
  • Finish: Matte Black
  • Receiver: Matte Black
  • Safety: Ambidextrous Safety Selector
  • Sights: MagPul MBUS Pro Front & Rear
  • Stock: Bravo B5 Buttstock Collapsible / Folding Stock
  • Magazine: 1 / 30 rd. MagPul PMAG
  • Weight: 6.6 lbs.
  • Rate of Twist: 1:7
  • Barrel Length: 16.1
  • Overall Length: 32 to 35.5
  • Features: Ambi Safety Selector/M-LOK Capable Handguard


Colt LE6920-R ("M4 Trooper")

The Colt LE6920-R "M4 Trooper" featuring an exclusive Centurion Arms M-Lok capable free-floated forend.

The biggest standout feature with this rifle is the exclusive M-Lok handguard from Centurion Arms.

  • Action: Gas Operated Semi-Auto
  • Barrel: 16.1"
  • Capacity: 30+1
  • Finish: Matte Black
  • Receiver: Matte Black
  • Safety: Reversible Safety Selector
  • Stock: Collapsible / Folding Stock
  • Magazine: 1 / 30 rd. Magpul PMAG
  • Weight: 6.5 lbs.
  • Rate of Twist: 1-in-7"
  • Barrel Length: 16.1
  • Overall Length: 32 to 35.5
  • Features: M-LOK Capable Centurion Arms Handguard (Exclusive to Colt)


Colt LE6920MPS-STG ("M4 CARBINE MAGPUL SL GRAY")

Largely the same as the base model, but with Magpul furniture.

M4 Carb Moe Sl Grey 5.56mm 16 Magpul MOE Slim Line Furniture Aggressive TSP Grip Texture Magpul M-Lok Vertical Grip

  • Action: Gas Operated Semi-Auto
  • Caliber: .223 Remington / 5.56x45mm NATO
  • Barrel: 16.1"
  • Capacity: 30+1
  • Finish: Matte Black
  • Receiver: Matte Black
  • Sights: Magpul MBus Gen2 Flip-Up Rear
  • Stock: Stealth Grey Magpul MOE-SL Collapsible / Folding Stock
  • Magazine: 1 / 30 rd. Magpul PMag
  • Rate of Twist: 1-in-7"
  • Safety: Reversible Safety Selector


Colt LE6920-OEM1 ("M4 Carbine OEM1")

Bare-bones and ready to customize by department, end-user or otherwise.

  • Action: Semi-automatic
  • Caliber: 556NATO
  • Barrel Length: 16.1"
  • Finish Color: Matte
  • Grips Stock: Pistol Grip
  • Capacity: N/A
  • Sights: A2 Front
  • OAL: 32"
  • Metal Finish: Black
  • Muzzle: Muzzle Brake
  • Barrel Description: Chrome-Lined
  • Twist: 1:7"
  • Barrel Length Range: 16.00" to 17.99"
  • Purpose: Personal Protection
  • Series: Carbine No Furniture Post Front Sight


Colt LE6920-OEM2 ("M4 Carbine OEM2")

Largely the same as the OEM1 model, except "...with a Low Profile Gas Block and without Handguard Retaining Ring to allow for the use of most aftermarket free float handguards."

  • Action: Gas Operated Semi-Auto
  • Caliber: 556NATO
  • Barrel Length: 16.1"
  • Finish Color: Matte
  • Grips Stock: Pistol Grip
  • Capacity: N/A
  • Sights: Flat Top/Low Profile Gas Block
  • OAL: 32"
  • Metal Finish: Black
  • Muzzle: Muzzle Brake
  • Barrel Description: Chrome-Lined
  • Twist: 1:7"
  • Barrel Length Range: 16.00" to 17.99"
  • Purpose: Hunting
  • Series: Carbine No Furniture No Sights
  • Safety: Safety Selector
  • Finish: Matte Black
  • Stock: None
  • Overall Length: 32
  • Features: No Furniture Model/ Ready to Customize