IMI Defense AK Fixed Adapter Black. With the IMI Defense MAK1 adapter installed most M4 type collapsible stocks can be attached to your AKM providing 6 positions to change the length of pull desired. Features: Features and benefits: Available for Stamped AKM's 6 position tube for optimal fit of the stock length Fits any M16/M4 Stock Lightweight made of a high-quality fiber-reinforced polymer compound Rugged design Improves stability highly durable non-compromising design and material to enhance tactical performance Massive strength highly resistant to major impacts Self-adjustable to any Stamped Receiver No gunsmith required Fits Mil standard buffer tube Made in IsraelU.S CUSTOMERS PLEASE CONTACT US BEFORE PURCHASING THIS ITEM Specifications for IMI Defense AK Fixed Adapter: Manufacturer: IMI Defense Gun Make: Kalashnikov Gun Model: AK-74 AK-47 Gun Type: Rifle Fabric/Material: Polymer Features of IMI Defense AK Fixed Adapter Available for Stamped AKM's 6 position tube for optimal fit of the stock length Fits any M16/M4 Stock Lightweight made of a high-quality fiber-reinforced polymer compound Rugged design Improves stability highly durable non-compromising design and material to enhance tactical performance Massive strength highly resistant to major impacts Self-adjustable to any Stamped Receiver No gunsmith required Fits Mil standard buffer tube Package Contents: IMI Defense AK Fixed Adapter What firearm models does the manufacturer say IMI Defense AK Fixed Adapter is compatible with? The manufacturer suggests that IMI Defense AK Fixed Adapter is compatible with AK-47 AK-74IMI Defense IMI-ZMAK1BLACK: AK Fixed Adapter Black