The Battle-Light receiver set is the very same set that is found on our popular Battle-Light rifles. These receiver sets are manufactured with the custom coating folks in mind. The lugs and holes are spec'd to ensure that your rifle will still accept components after your custom coating job is performed. Not going to coat it? The Battle-Light features a rear tension device to ensure a tight fit! Reduced weight, great looks, and quality components and features that will make your next build stand out from the crowd. CNC machined billet 7075-T6 aluminum Lightening cuts in key areas to reduce weight Screw in bolt catch retention pin -included- M4 feed ramps mach Mfg: Nemo