Let the debate begin, M-LOK versus KeyMod, The Firearm Blog TV got this video about M-LOK being superior to the other rail system... "KeyMod sucks and now there is proof thanks to the folks over at NSWC-Crane. In this episode of TFBTV, Patrick breaks down the recently released data compiled during tests performed at Crane at the request of USSOCOM that proves that MLOK is superior to KeyMod in just about every measurable way once and for all."