Sig Sauer Electro-Optics

The Foxtrot4R ships with two rail interface inserts. The M1913 Insert Is Designed To Fit MIL-STD 1913 Rails. The OTHER Insert Is Meant For Pistols With Non Mil-STD 1913 Rail Designs; two 18350 Li-Ion Rechargeable Batteries; USB-C cable; two tall, two medium high clearance, two tall high clearance paddles; Torx wrench, two screws and two e-clips.