Tdi Arms AK47 Under Folder Buffer Tube w/ 6 Positions Tube Black Medium. Fits milled & stamped receivers. # AKMST AK47-Under folding stock Specifications for Tdi Arms AK47 Under Folder Buffer Tubes: Manufacturer: Tdi Arms Gun Make: Kalashnikov Gun Model: AK-47 Color: Black Finish: Matte Fit: Rifle Gun Type: Rifle Features of Tdi Arms AK47 Under Folder Buffer Tubes 6 Position Buffer Tube Lightweight buffer tube for conversion OEM stock to M16/M4 style stock. The 6 positions allow length adjustment up to 10cm. Water tight storage Compartment for cleaning kit batteries and more. Lifetime Warranty Package Contents: Tdi Arms AK47 Under Folder Buffer Tubes What firearm models does the manufacturer say Tdi Arms AK47 Under Folder Buffer Tubes is compatible with? The manufacturer suggests that Tdi Arms AK47 Under Folder Buffer Tubes is compatible with AK-47Tdi Arms AKMST-K: AK47 Under Folder Buffer Tube w/ 6 Positions Tube Black Medium