CMMG LR-308 Endeavor 100 Mk3 Upper Receiver Assembly 308 Winchester 18″ Barrel M-LOK Handguard


Category: Product ID: 13240


The CMMG LR-308 Endeavor 100 is for shooters and hunters who need to reach out to extended ranges. The Endeavor is built to maximize long-distance precision. The Endeavor 100 features quality furniture and high-performance components to maximize your marksmanship. The Endeavor 100 has Endeavor offers a forged 7075-T6-AL M4 upper receiver assembly with a bolt carrier group, and a Cerakoted receiver and handguard. The Endeavor 100 is configured perfectly to suite your long-range needs.


  • Forged 7075-T6 AL M4 type upper receiver
  • Cerakote Receiver and Hand Guard
  • Complete Bolt Carrier Group Included
  • CMMG Zeroed Ambi Charging Handle

Made In United States of America


Product Information

Cartridge 308 Winchester
Color Armor Black
Finish Cerakote
Material Aluminum
Weight 6 Pound
Barrel Length 18 Inches
Twist 1:10 Inches
Threads 5/8″-24
Barrel Contour Mid Tactical
Barrel Finish Black Salt Bath Nitride
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Rifle
Upper Receiver Type A3 Flat-Top
Barrel Material 4140 Chrome Moly Steel
Handguard CMMG EML15 M-LOK
Bolt Carrier Assembly Included Yes
Country of Origin United States of America
Compatible With
AR-10, LR-308

Delivery Information

Shipping Weight 6.675 Pounds


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