Franklin Armory Libertas Built Lower Features The Franklin Armory Libertas Built Lower Receiver centers its design on shooter comfort and control under stress. A specialized tension screw eliminates upper and lower receiver play tightening up the overall feel of the rifle and reducing rattle during firing strings. The serrated memory index point forward of the trigger gives the trigger finger a safe resting spot off the trigger reinforcing safe handling habits during transitions. Integrated ambidextrous anti-rotational QD sling mounts let shooters run slings on either side without added hardware. The flared and beveled magazine well speeds up magazine changes under time pressure a real advantage in competition or duty use. The textured front of the magwell doubles as a forward grip surface for offhand support adding a stable reference point for the support hand. An Ergo Ambi Sure Grip rounds out the ergonomics package for a secure hold in varied conditions. This lower receiver is a solid foundation for shooters building a dedicated multi-caliber AR platform for sale at GrabAGun. Franklin Armory Libertas Built Lower Specifications Manufacturer: Franklin Armory Model: Libertas Caliber: Multi Receiver Material: Aluminum Receiver Finish: Black Hardcoat Anodize Includes: Flared Magazine Well Safety: Safety Lever Weight: 12.44 lbs Available At: GrabAGun