DoubleStar ACE MPX Interface AKFX Stock 8 inch Black. Introducing the newest addition to the AKFX family the MPX-AKFX. It's the same durable stock you've come to expect from ACE for more than 20 years updated to work with your rifles with an MPX-style interface. Available in 3 lengths each coming with our .5" buttpad it'll feel like coming home when shouldering your rifle. Specifications for DoubleStar ACE MPX Interface AKFX Stock: Manufacturer: DoubleStar Color: Black Gun Model: AK-47 Gun Type: Rifle Fabric/Material: 7075-T6 Aluminum Package Contents: DoubleStar ACE MPX Interface AKFX Stock What firearm models does the manufacturer say DoubleStar ACE MPX Interface AKFX Stock is compatible with? The manufacturer suggests that DoubleStar ACE MPX Interface AKFX Stock is compatible with AK-47DoubleStar A320: ACE MPX Interface AKFX Stock 8 inch Black