Details
Davidson Defense Mil-Spec 6-Position Carbine Buffer Tube | Heavy-Duty AR-15 Receiver Extension | Aluminum
The Davidson Defense Mil-Spec Heavy-Duty 6-Position Buffer Tube delivers the foundation for your AR-15's buffer system and adjustable stock assembly. Engineered to exact military specifications from durable aluminum with 6 adjustment positions for customizable length of pull, this carbine-length receiver extension ensures universal compatibility with quality components. Featuring true mil-spec dimensions with 1.148-inch outer diameter and proper mil-spec threading, this buffer tube provides reliable compatibility with all mil-spec AR-15 carbine stocks, standard carbine buffer springs, and 3 oz, H, H2, and H3 carbine buffers. The heavy-duty construction with enhanced wall thickness and protective finish delivers professional-grade reliability for serious AR-15 builders.
Key Features
- Recoil Technologies buffer tube for AR-15 platform
- True mil-spec dimensions with 1.148-inch outer diameter for universal compatibility
- 6-position adjustable for customizable length of pull
- Carbine-length (~7 inches) for standard AR-15 configurations
- Heavy-duty aluminum alloy construction with enhanced wall thickness
- Mil-spec threading for perfect fit to AR-15 lower receivers
- Protective finish for corrosion and wear resistance
- Compatible with carbine buffers (3 oz, H, H2, H3) and carbine buffer springs
Perfect For
- New AR-15 builds and assemblies
- Upgrading from commercial to mil-spec specifications
- Professional gunsmith builds requiring reliable components
- Tactical and duty rifle configurations
- Competition rifle assemblies demanding adjustability
True Mil-Spec Universal Compatibility
Authentic mil-spec threading and 1.148-inch outer diameter ensure perfect compatibility with all mil-spec AR-15 carbine stocks, standard carbine buffer springs, carbine buffers, castle nuts, and end plates. This industry-standard specification provides universal compatibility with quality stocks, better parts availability, and proven reliability.
Six-Position Adjustability
Six adjustment positions with positive detent locking allow customization for different body sizes, shooting positions, and gear configurations. Each position features secure engagement with audible click confirmation and reliable lock-up under recoil, enabling shooters to share rifles or adjust for optic eye relief.
Heavy-Duty Aluminum Construction
Constructed from high-strength aluminum alloy with heavy-duty reinforcement and enhanced wall thickness for increased durability over standard tubes. The protective finish provides corrosion and wear resistance while the precision threading ensures perfect fit to AR-15 lower receivers with proper torque capability.
Critical Buffer System Component
Houses buffer and buffer spring while providing the attachment point for adjustable stocks, completing the lower receiver assembly and enabling proper bolt carrier cycling. Works with all standard mil-spec components including carbine buffers, buffer springs, castle nuts, receiver end plates, and mil-spec carbine stocks.
Follow safe handling and manufacturer instructions. This is a TRUE mil-spec buffer tube and will NOT fit commercial-spec stocks. Verify your stock is mil-spec compatible before ordering. Proper installation requires torqueing castle nut to 35-40 ft-lbs and staking for security. Professional installation recommended.