Aero Precision AR15 Enhanced Carbine Buffer Kit w/ H2 Buffer Features The kit s Enhanced Carbine Buffer Tube is outfitted with Carrier Support Extensions that guide and support the bolt carrier group into the buffer tube after each round is fired. This design significantly reduces carrier tilt and wear on crucial parts extending the lifespan of your firearm. The buffer s weight helps to manage the recoil and cycling of the rifle making it perfect for tactical and competitive use where consistency and control are paramount. Additionally the Aero Precision AR15 Enhanced Carbine Buffer Kit includes Position Guide Drain Holes that aid in expelling water from the system particularly useful in marine environments. This feature also allows air to escape during the compression cycle facilitating smoother cycling and operation. The Ramped Tube Design simplifies the installation process allowing for easy attachment of traditional carbine stocks without the need for additional tools. Aero Precision AR15 Enhanced Carbine Buffer Kit w/ H2 Buffer Specifications Brand: Aero Precision Model: AR15 Enhanced Carbine Buffer Kit w/ H2 Buffer Type: Rifle Buffer Kit Compatibility: AR15 platforms Buffer Tube: 6-position Enhanced Buffer Weight: H2 (~4.7oz) Material: 7075-T6 Aluminum Impact Extrusion Finish: Matte Weight: Buffer weight approx. 4.7 oz Additional Features: Carrier Support Extensions Position Guide Drain Holes Ramped Tube Design Proper Thread Depth Mil-spec Dimensions