Ryohin Buhin SI Pit Stock & Buffer Tube Set for M4/M16 Series Electric Guns, Replica, CNC Aluminum Alloy, Black

Compatible Airsoft Guns: ■ Compatible with standard AR/M4/M16 series electric guns. Installation Ease: ★☆☆☆☆ | Compatible with many imported M4 series electric guns. *Not compatible with next-generation guns, gas blowback guns, or BOLT guns. *Cannot be installed directly on models with long frames, such as Tokyo Marui standard electric guns and older-frame M4 electric guns. Adjustments such as shortening the pipe or replacing the pipe with a shorter metal frame will be required. This replica set features the PDW Pit Stock and Advanced Receiver Extension buffer tube from Strike Industries (SI), a popular American customization manufacturer. Compatible with standard AR/M4/M16 series electric guns. Includes a dedicated buffer tube for the Pit Stock, so you can start customizing right out of the box. The compact and lightweight design creates a sharp, modern look that sets it apart from ordinary stocks, creating a "SI-style modern form.