Hogue AR-15/M-16 Knurled Aluminum 8in. OAL 3 Gun Free Float Forend Extension. This Hogue Gun Grip is made out of an incredibly durable aluminum material that is guaranteed to be long lasting and durable. The knurling on the Hogue M16 & AR15 Aluminum Free Float Forend Extension allows you to achieve the perfect grip on your weapon. The Hogue OAL 3 Free Float Forend AR15/M16 Tactical Rifle Extension is an amazing addition to the Hogue range of high quality Weapon Grips. Specifications for Hogue AR-15/M-16 Knurled Aluminum OAL 3 Gun Free Float Forend Extension: Manufacturer: Hogue Color: Matte Black Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: M16 AR-15 Gun Type: Rifle Handguard Type: Free-Float Gun Rail: Standard Additional Features: Forend Extension Included Accessories: Standard Quantity: 1 Features of Hogue Aluminum OAL 3 Gun Knurled Free Float Rifle Extension: Provides an excellent grip Knurled Durable aluminum material Free Float Package Contents: Hogue AR-15/M-16 Knurled Aluminum OAL 3 Gun Free Float Forend Extension AR-15/M-16 Knurled Aluminum 8 OAL 3 Gun Free Float Forend Extension