CMMG Endeavor Mk4 5.56X45mm



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CMMG Endeavor Mk4 5.56X45mm 18 inch barrel, Armor Black, Charcoal Green, Coyote Tan, Midnight Bronze, Sniper Gray, Titanium and Tungsten.


CMMG Endeavor Mk4 5.56X45mm

CMMG Endeavor Mk4 5.56X45mm Ships Free

Every CMMG Endeavor Mk4 5.56X45mm stands strong as one of the most popular calibers on the market. Engineered on CMMG’s Mk4-AR15 platform, the Endeavor can make use of mostly all AR15 compatible components. Utilizing a nitride finished 18 inch, 416 stainless steel barrel, this Endeavor Mk4 firearm delivers enhanced ballistic performance.

The CMMG Endeavor Mk4 is purposely built for long range performance. It includes a Magpul MOE rifle stock, a ZEROED muzzle brake and all parts designed for extreme utility. Available in 7 Cerakote finishes; Armor Black, Charcoal Green, Coyote Tan, Midnight Bronze, Sniper Grey, Titanium and Tungsten the Endeavor Mk4 5.56×45 rifles sport EML handguards. M-LOK slots are located at 3,6, & 9 o’clock positions. Additionally, the Endeavor offers a full-length Picatinny top rail and an integrated hand stop along with many other standard features.

Xtreme Guns and Ammo carries the complete line of CMMG weapons and accessories. Call 832-363-3783, or chat with us on line during store hours, for answers to all of your CMMG questions and needs.

CMMG Endeavor Mk4 5.56X45mm Standard Features

  • ZEROED Pistol Grip
  • ZEROED Trigger Guard
  • ZEROED 60 degree/90 degree Ambi Safety
  • ZEROED AR15 Ambi Charging Handle
  • ZEROED Ambi Mag Catch
  • ZEROED Extended Mag Release Button
  • ZEROED AR15 Bolt Catch>
  • ZEROED AR15 Polymer Dust Cover
  • ZEROED Muzzle Brake 5.56mm

CMMG Endeavor Mk4 5.56X45mm (Specifications)

  • Platform: MK4
  • Caliber: 5.56X45mm
  • Operating System: Direct Impingement
  • Barrel Length: 18inch
  • Barrel Twist: 1:7
  • Barrel Contour: MT
  • Barrel Material: 4140CM, SBN
  • Muzzle Device: ZEROED Muzzle Brake 5.56
  • Muzzle Thread: 1/2X28
  • Gas Port Location: Rifle
  • Gas Block: 0.750 inch Non-Adjustable
  • Upper Receiver: Billet 6061 T6 Aluminum
  • Lower Receiver: MK4 Forged 7075 T6 Aluminum
  • Hand Guard: CMMG EML15 M-LOK
  • Finish: Cerakote Standard
  • Charging Handle: CMMG ZEROED Ambi
  • Grip: CMMG ZEROED Pistol
  • Buffer Type: AR15 Rifle/A1
  • Receiver Extension: CMMG A1 Extension
  • Stock/Brace: Magpul MOE Rifle Stock
  • Trigger: MIL-SPEC Single Stage
  • Trigger Guard: CMMG ZEROED
  • Safety Selector: CMMG ZEROED 60/90 Degree
  • Magazine: Magpul 30 Round PMAG
  • Weight: 7 pounds
  • Length: 37.8 inches

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