The PTS Polymer Rail Sections are lightweight low profile 1913 rail sections. The double chamfered ends reduces snagging and is comfortable to index against.

PTS® Enhanced Rail Section™ ERS™ (M LOK/ 5 Slots)
Dupont™ Zytel High Performance Reinforced Polymer Construction
Lightweight and low profile design
Specially made for M LOK mounting system.
Sturdy reinforced polymer