Franklin Armory M4 Built Lower Receiver

Franklin ArmoryM4 Built Lower Receiver

Franklin Armory Built Lower Receiver is a stripped AR-15 component requiring additional parts for completion. Not a complete firearm; intended for custom builds.
M4 Built Lower Receiver

Specifications

UPC818725010767
BrandFranklin Armory
ModelM4 Built Lower Receiver
Model Number00-20016-BLK
CaliberMulti
Mfg Part Number00-20016-BLK
Capacity Standard30 + 1
Capacity30 + 1
Year Introduced2077
FinishBlack
Franklin Armory is a U.S.-based firearms manufacturer known for its innovative designs that blend tactical performance with legal compliance. Specializing in AR-style rifles, pistols, and binary trigger systems, the company builds purpose-driven firearms that appeal to both civilian shooters and law enforcement professionals.

Founded in Nevada, Franklin Armory gained recognition by developing compliant firearms for restrictive states. The company pioneered binary trigger technology and created straight-pull and bolt-action AR platforms to meet legal requirements without sacrificing functionality or quality. Their commitment to innovation and compliance remains central to their mission.

Top models include the CA7 and RS7—compli
Certified ByFranklin Armory