M-LOK
Videos
M-LOK, for Modular Lock, is a firearm rail interface system developed and patented by Magpul Industries. The license is free-of-charge, but subject to an approval process.
Magpul MOE M-LOK handguard on a user-assembled AR-15 semi-automatic rifle
Colt Canada MRR with M-LOK rail handguard
The URG-I variant M4A1 carbine has M-LOK rail handguard with an LA-5C/PEQ on the top rail used by one of the Green Berets from 3rd SFG (A) during training at Marine Corps Air Ground Combat Center, Twentynine Palms, California in 2019
M110A1 SDMR featuring a Geissele M-LOK rail handguard
Picatinny rail
Videos
The Picatinny rail is an American rail integration system designed by Richard Swan that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail. It wa
M-LOK
…onto the "negative space" (hollow slot) mounting points, and is a competing standard to VLTOR's open sourced KeyMod system for replacing the ubiquitous Picatinny rail in some applications. Both M-LOK and KeyMod enable the user to have a slimmer, lighter, smoother and more fenestrated handguard/fore-end with accessories…
Close-up of a 4x scope mounted on a Picatinny Rail.