The NBS Mil-Spec Buffer Tube is a quality Receiver Extension (AKA Buffer Tube) machined from high strength American 7075-T6 Aluminum. This is a 6 position design and is a finished with Type 3 class 2 Hard Anodizing. It features incredibly smooth interior machining for quiet operation and less “sprioing” sound.
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Fast shipping great prices
Nicely built product.
New place to shop
Ordered one little part, or so I thought. AR15Discount has a good selection, fair prices and shipped fast. Now my first stop for AR parts and accesories.
One problem with the receiver extension is the inlet for the locking plate is a little to shallow. Other than that the tube is smooth. Stock locks up tight on it and slides just fine when adjusting positions.