Phase 5 HEX-2C Buffer Tube Assembly
Heavy-duty 7075 T7 billet aluminum buffer tube for AR pistols. Hexagonal design accepts SB Tactical fixed braces. Complete package includes castle nut, end plate, foam pad, buffer, and spring.
Phase 5 HEX-2C Buffer Tube Assembly
The Phase 5 Hex-2 represents a thoughtful approach to AR pistol design. This buffer tube features a distinctive hexagonal profile that transitions to a round 1.2" diameter at the rear—a design choice that serves a specific purpose.
Design and Compatibility
The hexagonal shape provides a distinctive appearance and enhanced grip surface, while the round rear section is engineered to work seamlessly with SB Tactical Pistol Stabilizing Braces that accept 1.2" round tubes. Note that this tube is not compatible with adjustable braces such as the SBA3, SBA4, or PDW models.
Construction Quality
Manufactured from USA-certified 7075 T7 billet aluminum, the Hex-2 delivers the durability expected in serious AR pistol builds. This material selection ensures reliability through extended use.
Complete Package Contents
The HEX-2C Complete Package includes everything needed for assembly:
- Hex-2 buffer tube
- Castle nut
- End plate
- 3.5" Phase 5 nitrile foam pad
- Carbine buffer
- Phase 5 Enhanced buffer spring
Versatility
You have the flexibility to use the included foam pad for a basic setup or upgrade to a SB Tactical Pistol Stabilizing Brace (sold separately) for enhanced ergonomics and control.
This is a complete, ready-to-install component for AR pistol builders seeking quality and reliability.
