E3 Arms Plumcrazy AR-15 Complete M4 Lower Receiver

E3 Arms Plumcrazy AR-15 Complete M4 Lower Receiver The Plumcrazy Complete Light Weight Lower Receiver with 6-position collapsible stock is engineered using fiber reinforced composite material, more resilient to damage than aluminum. These lower receivers have been extensively tested and proven in both semi-auto and full automatic configurations. This AR-15 lower sets the standard for the next generation of AR shooting enthusiasts. The lower has an A6 position buffer tube. It also has a high velocity composite trigger mechanism with a crisp break at around 4.5 pounds. Weighing less than traditional forged aluminum receivers, they are engineered for acceptance of Mil-Spec parts and come complete with buttstock and lower parts kit fully assembled. Specifications Receiver marked with Plumcrazy Firearms Gen II logo Winter/oversized trigger guard Will work on any upper receiver Multiple calibers supported New billet design Black 6-position adjustable stock Polymer design for a light-weight AR-15 rifle build Lifetime manufacturer warranty Note: Plumcrazy Lowers are designed to function with all rifle length platforms. However, these lowers will not work properly and should not be used in a pistol configuration.