FSI AR15 Free Float Rail System, 4.2’ Pistol Length.


Out of stock

SKU: HG-M1034-4.2 Category:


FSI AR15 Free Float Rail System 4.2" Pistol Length ensures a precise fit with your Mil Spec Standard AR M4 5.56 Nato/.223 upper receiver. This accessory rail system is made of 6061 aircraft grade aluminum with a level III hard anodize finish.