SIG SAUER 3.1 in Picatinny Rail

SIG SAUER 3.1 in Picatinny Rail. 1 in Picatinny Rail for M-LOK Handguards Specifications for SIG SAUER 3.1in Picatinny Rail: Manufacturer: SIG SAUER Color: Black Gun Rail: Picatinny Length: 3.1 in Package Contents: SIG SAUER 3.1in Picatinny Rail SIG SAUER Infinite Guarantee SIG SAUER RAIL-7S-AL-MLOK-BLK: 3.1 in Picatinny Rail