The PWS Enhanced Buffer Tube (MPN EBTRLCNKIT) is a Gen 2 mil-spec diameter AR-15 buffer tube from Primary Weapons Systems, a company built by firearm enthusiasts since 2008 around reliability-focused rifle systems.

Key Specifications

• PWS Enhanced Buffer Tube, Gen 2
• Mil-spec outer diameter
• Built for AR-15 platform rifles
• Product type: Buffer Tube, a receiver extension rather than a complete stock
• Founded in 2008, PWS has focused on reliability-oriented AR-15 rifle systems
• Threads onto the lower receiver to support a compatible stock or brace
• Compatible with standard AR-15/M4 receiver extension hardware

Frequently Asked Questions

Is this a mil-spec or commercial diameter tube?
It’s a mil-spec diameter buffer tube.

Which generation is this?
This is PWS’s Gen 2 Enhanced Buffer Tube.

Buy the PWS Enhanced Buffer Tube

Build out your AR-15 lower with a mil-spec tube from Primary Weapons Systems. Order from a Lubbock, TX gun shop in our AR buffer system lineup.