The Sons Of Liberty Gun Works AR-15 Buffer Retainer Spring is a high-quality component designed for AR-15 rifles ensuring reliable performance and longevity. Crafted with precision engineering this buffer retainer spring is essential for maintaining the proper tension and alignment of your rifle's buffer system. Whether you're building a new AR-15 or upgrading an existing one this durable spring offers consistent functionality enhancing your firearm's overall performance. Ideal for both enthusiasts and professional gunsmiths it embodies the commitment to excellence that Sons Of Liberty Gun Works is known for.