The Colt AR6721 Receiver Extension is a Mil-Spec buffer tube designed for AR-15 rifles, known for its quality construction and universal fit. Made from 7075-T6 Aluminum, it offers high strength and stress resistance, ensuring durability and reliability in competitive shooting and target practice.

Ideal for range time and training, the AR6721 Receiver Extension provides a perfect fit for various Colt models, enhancing performance and comfort. Colt is renowned for its innovation and quality in firearm accessories.

Key Features:
- Manufacturer: Colt
- Model: AR6721 Receiver Extension
- Condition: Factory New
- Style: Mil-Spec
- Weight: 1.15 Pounds