Strike Industries M-LOK ARCA Rail Adapter - 6.8in - The Strike M-LOK ARCA Rail Adapter enables easy mounting on ARCA Swiss mounts. Angled front corners to reduce snagging during ARCA mount insertion. Securely and conveniently adapter M-LOK to ARCA Swiss. Threaded holes along adapter rail for SI ARCA accessories. Machined from 6061-T6 aluminum, ARCA Swiss mounts have become the industry standard. With the Strike M-LOK ARCA Rail Adapter, you get a low-profile lightweight option to adapt most M-LOK surfaces. Features: Enables easy mounting on ARCA Swiss mounts; Angled front corners to reduce snagging during ARCA mount insertion; Securely and conveniently adapt M-LOK to ARCA; Threaded holes along adapter for SI ARCA accessories; Low-profile and lightweight; Machined from 6061-T6 aluminum; Package Contents: x1 Strike M-LOK ARCA Rail Adapter - 6.8in; x4 Screw; x4 Nut; x1 Torx tool [T15]; x1 Loctite Threadlocker Blue 243