The SBT-K47 Recoil Reducing AK47 Buffer Tube, converts your AK 47 OEM stock to M16/M4 collapsible stock. 

Advantages:

• Buffer End Expands Inside the Receiver When Bolts are Secure and Eliminates Rattling
• Bolt on Design for Easy Fit, Self Adjustable to Any Stamped Receiver, no Drilling or Carving Required
• AK 47 Compatable
• No Gunsmith Required
• Manufactured with Reinforced Polymer Composite
• Lightweight
• Super Rugged Design
• 8 Setting Positions for Appropriate Positioning of the Stock to Your Battle Stanch
• Recoil Reducing Buffer, Improves Accuracy and “Targets in Sights” During Rapid Fire

Disclaimer:

• When using the Shock Absorbing Buttstock System, it is strictly prohibited to place any body parts on top or above the exposed part of the shock absorbing tube (with an emphasis on the shooter’s cheek).