Hogue AR15/M16 Rifle Length FF Forend w/ OM Grip Area/Accessory Attachments Pink 190618. Hogue crafted these AR Handguards & Forends from 6061 aircraft aluminum for durability that won't weigh down the front of your weapon. This Hogue AR15/M16 Rifle Length FF 12.5in Forend w/ OM Grip Area/Accessory Attachments features a molded non-slip elastomer outer layer that you can firmly grip to steady your shots. Equip this Hogue AR15/M16 Rifle Length Free Float Forend w/ Overmolded Gripping Area/Accessory Attachments for a more precise and accurate shooting experience. Specifications for Hogue AR-15/M16 Rifle Length Free Float Forend: Weight: 15.6oz (not including accessories) Internal Diameter: 1.625" External Diameter: 2" Length: 12.5" Features of Hogue AR Forend: Determining the length of your gas system: measure the distance from the rear of the gas block to the front of the receiver. If it is approximately 12 1/2" it is a rifle length system if it is approximately 9" it is a Midlength and 7" for a Carbine length. 308 Rifles: There are two basic types of 308 "size" AR rifles often referred to as DPMS or Armalite "compatible" rifles. The parts magazines etc do not interchange. For an easy way to differentiate between the two styles of rifles look at the rear bottom of the upper receiver. A DPMS compatible rifle has a rounded edge while an Armalite has an angled edge. We offer a coupler nut for both types. DPMS #15060 with a 1 7/16"-16 TPI and Armalite #15061 with a 1 7/16"-18 TPI. Forends work with all barrel types that will work with a standard Delta ring. Will not fit rifles with Piston Gas Systems. Will fit older model ARs and M-16s with triangular shaped handguard. Coupler Nut Torque specs: 30-80 ft/lbs Made of 6061 aircraft aluminum with a molded non-slip elastomer layer on the outside. Package Contents: Hogue AR15/M16 Rifle Length FF Forend w/ OM Grip Area/Accessory Attachments AR-15/M-16 Rifle Length Free Float Forend with OverMolded Gripping area and Accessory Attachments Pink