HG-M1031-10 10" CAR Spectre Free Float Rail System guarantee precise fitment with your Mil Spec Standard AR M4 5.56 Nato/.223 upper receiver. All aluminum T6 aircraft 6061 construction with level III hard anodize finish. 10" Carbine Accessory rail system is longer in length than the standard 9.2" Mid Length Quadrail. This configuration requires the use of micro gas block. Will not work with regular profile gas block.
All Omega Mfg Inc Rail System carry a 100% satisfactions guarantee against manufacturer's defect in original materials and workmanship.