Guntec USA AR-15 A2 Rifle Buffer Tube Kit with Buffer & Spring – Black

The Guntec USA AR-15 A2 Rifle Buffer Tube Kit provides the essential components needed to complete a rifle-length buffer system for AR-15 builds using fixed stocks. Designed around the classic A2 configuration, this kit includes the rifle-length receiver extension, buffer, and recoil spring to ensure reliable cycling and consistent performance in standard AR-15 rifle setups.

Constructed from durable T6 6061 aluminum, the A2 buffer tube is engineered for strength while maintaining a lightweight profile. The included rifle-length buffer and spring are designed to work with fixed-stock AR-15 platforms, helping maintain smooth bolt carrier operation and dependable function. This kit is ideal for builders assembling traditional rifle-length AR-15 systems or replacing worn buffer components in existing builds.

Quick Highlights:
• Complete A2 rifle buffer tube kit for AR-15 platforms
• Designed for rifle-length fixed stock buffer systems
• Durable T6 6061 aluminum receiver extension
• Includes rifle-length buffer and recoil spring
• Provides smooth and reliable bolt carrier cycling
• Matte black finish for standard AR-15 builds
• Made in the USA

Use Cases & Applications:
• AR-15 rifle builds using fixed A2 stocks
• Completing rifle-length buffer systems
• Replacing worn rifle buffer tube assemblies
• Classic or retro AR-15 rifle configurations
• Range training and recreational shooting builds

Technical Details:
Manufacturer: Guntec USA
Product Type: Rifle Buffer Tube Kit
Platform Compatibility: AR-15
Buffer System Type: Rifle Length (A2)
Material: T6 6061 Aluminum
Included Components: A2 Buffer Tube, Rifle Buffer, Rifle Length Recoil Spring
Weight: Approximately 11 oz
Color: Black
Manufacturer Part Number: A2TUBESET