M-LOK Handguard

Availability: In stock


Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. MLOK Handguard


As low as $214.99

Shipping & Returns

Shipping: All orders are shipped within 72 hours Monday - Friday 8am - 5pm PST

Any order containing a lower receiver will not be shipped until we receive a copy of your FFL. Once received regular shipping policies apply. Submit your FFL Here.


Returns: Quarter Circle 10 offers a 30 day return, refund and exchange policy. See Details.

  • Free float design

  • Non-Overlapping mounting system won't interfere with side-charging upper receivers

  • 1.35" Inner diameter.

  • Continuous top Picatinny Rail

  • MLOK system allows attachment of wide variety of accessories

  • Available in multiple lengths to fit your barrel and muzzle devices

  • Specially manufactured for QC10 by SLR Rifleworks

  • Actual Rail Length W/ Matching Barrel Length:

    • 4.5"/5.5"
    • 6.5"/7.5"
    • 9.5"/10.5
    • 15"/16"
  • Installation Instructions
  • More Information
    Size Large