The NK-14 is a faithful reproduction of a mysterious North Korean muzzle device, rarely seen on domestic Type 68 rifles (underfolding and sometimes fixed stock).
These were designed by Chefur Custom and manufactured in partnership with JMac Customs.
Threaded 14x1 LH with a single muzzle detent
These offer a heavy compensation effect, driving the muzzle downwards significantly. They are very often overdriven in semi auto, making follow up shots land low.
These were designed (presumably) for use on a full auto underfolder, and perform best when fired as such with no cheek weld.
Made in the USA from heat treated 4140 steel.