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Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. KeyMod Handguard
Free float design
Secures directly to barrel nut
1.58″ Inner diameter fits many suppressors and muzzle devices
Continuous top Picatinny Rail aligns with Pistol MUR upper receiver rail
KeyMod system allows attachment of wide variety of accessories
Available in multiple lengths to fit your barrel and muzzle devices
- QC10 KeyMod Handguards not compatible with side-charging upper receivers.
*This product is designed to fit tightly on QC10 and VLTOR upper receivers, and may not fit Mil-Spec AR-15 Uppers, Side charging uppers, Billet Uppers, or DI gas-operated upper receivers.