New rail cover and handstop package from PTS Syndicate designed for the licensed PTS Centurion Arms CMR... "The PTS Centurion Arms CMR accessories are made of Dupont™ Zytel High Performance Reinforced Polymer. Their light weight and small profile helps to maintain a lightweight platform with minimal bulkiness added to the slender CMR rail's cross section. The polymer accessories adhere to the K.I.S.S.