There’s never a bad time to assemble an AR-15 lower. Assembling an AR-15 lower receiver from scratch is both rewarding and cost-effective. To help get you started, we’ve put together a step-by-step visual guide and parts list.
With no single industry standard, building an AR-10 can be slightly more challenging than building an AR-15. Gun Digest has released an informative article that is designed to help readers understand the unique specifics of AR-10 lowers.