The CMMG Rifle Receiver Extension/Stock Kit is a testament to CMMG's commitment to quality and precision engineering. Designed for AR rifles, this kit includes a rifle length receiver extension tube, rifle buffer, rifle buffer spring, and an A1 length fixed stock, ensuring seamless integration and enhanced performance for your firearm. Ideal for range time and training, this kit is perfect for completing your lower receiver group with ease. CMMG is renowned for its innovation and reliability in firearm accessories.

Key Features:
- Manufacturer: CMMG
- Model: 55CA646
- Product Type: Stock
- Material: Polymer/Aluminum
- Unique Features: Rear storage compartment, sling mount
- What's In The Box: Receiver extension tube, end cap, recoil spring and buffer, stock, stock screw