The Daniel Defense RIS II M4A1 FSP Assembly (Model Number: 01-004-08030-006) is a black accessory-rail with a free-floating barrel design, featuring hardened steel barrel nut and mil-spec 1913 Picatinny rails. It measures 12.25" in length and weighs 17.1 oz.
Specs
Model No. | DD0100408030006 |
Model | M4A1 RIS II FSP Rail Assembly |
Manufacturer | Daniel Defense |
Illuminated | No |
Overall Length | 12.25" |
Weight | 1.9 |