Learn more about the M-Lok compatible AEG in the Valken Alloy Series, the Alloy MK. III AEG... "The Valken Tactical Alloy Series Mk.III is our carbine variant in our new premiere line of full metal AEG rifles. The durable high quality aluminum alloy bodies are milled to finish and hard coated to create a tough exterior, combined with a mills spec CNC'd free floating M-LOK rail system, and a 1 piece metal lightweight outer barrel. Inside is a Ver.