The B.A.D. AR15/M16/M4 Buffer Tube Receiver Extension is a durable 6-position foundation for adjustable AR-15 stocks, finished in a distinctive, field-inspired OD Green. This B.A.D. AR15/M16/M4 Buffer Tube is machined from strong 7075-T6 aluminum and hard coat anodized, so it delivers reliable performance, precise geometry, and an attractive OD Green exterior. Built to true Mil-Spec external dimensions, it accepts most AR-15 carbine stocks and supports smooth, positive adjustment. It is the kind of part that upgrades both the function and the personality of a build at the same time.
The receiver extension is the backbone of a collapsible stock, housing the buffer and spring while providing the rail your stock rides on. Choosing a quality tube pays off in smoother adjustment and long-term durability.
What the B.A.D. AR15/M16/M4 Buffer Tube Is and Who It Is For
This is a 6-position carbine receiver extension, the tube that houses the buffer and buffer spring and provides the mounting rail for a collapsible stock. It is aimed at builders assembling a carbine lower or anyone who wants to swap a plain black tube for an OD Green upgrade.
Because it holds true Mil-Spec dimensions, it fits the wide world of mil-spec carbine stocks, making it a safe choice for new builds and refreshes alike. Shooters who want a coordinated, field-ready color scheme will love the ODG finish. It is a simple way to give a carbine both a solid mechanical base and a custom look.
Key Features
Key features of this 6-position carbine buffer tube include:
- Mil-Spec 6-position carbine buffer tube for AR15, M16, and M4 pattern rifles
- Machined from strong 7075-T6 aluminum for durability and precise geometry
- Hard coat anodized surface for excellent wear resistance
- Distinctive OD Green finish for a custom, field-inspired appearance
- True Mil-Spec external dimensions for broad carbine stock compatibility
- Clean machining that supports smooth, positive stock adjustments
Specs and Build Quality
The 7075-T6 aluminum construction gives the B.A.D. AR15/M16/M4 Buffer Tube its strength, and the hard coat anodizing adds a tough, wear-resistant surface that stands up to repeated stock adjustments and rough handling. The OD Green finish is more than cosmetic, layering a mission-ready look over a genuinely rugged part.
Mil-Spec external dimensions keep the tube compatible with most carbine stocks on the market, while clean, precise machining ensures the stock slides and locks without slop. That combination of durability, fit, and finish is exactly what a solid foundation part should offer, and the hard anodizing helps the color hold up to years of use.
Practical Use, Care, and Compatibility
Install it as part of a carbine build with the appropriate buffer, spring, castle nut, and end plate, then mount your Mil-Spec collapsible stock and enjoy smooth adjustment across all six positions. The ODG color coordinates beautifully with green, tan, and multi-cam furniture.
Maintenance is minimal thanks to the hard anodized surface, so an occasional wipe keeps it looking sharp. It works with most Mil-Spec carbine stocks and pairs well with the stocks and hardware in our AR-15 parts and upgrades. Made by Battle Arms Development, this receiver extension blends dependable function with standout style.
Building Tips and Compatibility
The tube installs like any mil-spec receiver extension. Thread it into the lower with the buffer retainer and spring in place, torque the castle nut against your end plate, and stake it for a build that stays tight under recoil.
It accepts standard carbine buffers and springs, so you can tune the action weight to your load and gas system without special parts. The OD Green anodizing not only looks the part but adds a hard, wear-resistant layer that resists the scuffing a collapsible stock causes as it slides. Pair it with matching earth-tone furniture and the whole rifle reads as one deliberate, field-ready package.
Give your carbine a rugged, field-inspired foundation with the B.A.D. AR15/M16/M4 Buffer Tube Receiver Extension in ODG. It brings solid function and custom looks in one part. Ships direct to your door, no FFL required.
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