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Colt Expanse M4 Carbine Centerfire Rifle

Item # 977727
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Additional Information:

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  • Firearms shipping charge of $25.00 per item.
  • You must be at least 18 years old to purchase this item. State and local laws may vary.
  • Additional discounts do not apply.


  • Direct Impingement Gas System

  • Adjustable Post Front Sight

  • M1913 Picatinny Top-Rail

  • 6-Position Adjustable Stock

  • 30-Round 5.56mm NATO Magazine

Product Summary

The Colt Expanse M4 carbine puts a Colt quality AR-15 within easy reach of the modern sportsman looking to enhance his or her collection or the first-time buyer looking for a starting point on which to build their dream modern sporting rifle. The Expanse operates with a direct impingement system and a locking bolt. The 4150 CMV has a manganese phosphate protective finish and a 1 in 7" right-hand twist. The post front sight is adjustable for elevation. Black hardcoat anodized 7075-T6 aluminum receivers. Standard M4 carbine handguard. Collapsible M4 stock. A2 pistol grip. Single stage trigger.

Model Expanse M4 Carbine
Type Centerfire Rifle
Action Semi-Auto
Caliber .223 Rem./5.56 NATO
Barrel Length 16.1"
Weight 6.44 Lbs.
Sights Picatinny Mounting Rail
Finish: Stock Matte Black Synthetic
Finish : Barrel & Receiver Matte Black/Anodized
Trigger Single Stage
Safety 2-Position Thumb
Capacity 30 + 1


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