BCM Mil-Spec Carbine Buffer System

Overview Whether you just purchased a BCM lower parts kit and want to finish out a stripped lower or upgrade to a carbine buffer tube on your existing rifle, this kit has what you need. It includes an H1 buffer, carbine spring, and a Mil-Spec castle nut and end plate with the same quality that has come to be expected from BCM. This kit does not have a QD end plate. If this is something you need, we recommend THIS ONE from BCM. What’s Included BCM Mil-Spec Carbine Buffer System 1x BCM receiver extension 1x Mil-Spec end plate 1x Castle nut 1x BCM carbine spring 1x BCM H1 or H2 buffer Specs FEATURES 6-position receiver extension is machined from impact-extruded 7075-T6 aluminum alloy Compatible with Mil-Spec dimension stocks The receiver extension is hard coat anodized per Mil-A-8625F, Type III, Class 2 3.8 oz H1 buffer or 4.6 oz H2 buffer Warranty: Covered by BCM’s manufacturer warranty. Warranty service is provided by BCM. Made in the USA.