4" PISTOL LENGTH FREE FLOAT QUAD RAIL
The 4" Free
Float Quad Rail comes with a barrel nut kit and has an extended top
rail for "No-gap" installation.
CNC precision machined solid
6061-T6 aluminum with a hard anodized matte black finish, these quality
rails give you lots of accessory options. Each has two QD sling swivel
ports and with an inner diameter of 1.835", they can accommodate almost
any low-profile gas block on the market.
Features:
This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. 
