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.

Specifications
| UPC | 818725010767 |
|---|---|
| Brand | Franklin Armory |
| Model | M4 Built Lower Receiver |
| Model Number | 00-20016-BLK |
| Caliber | Multi |
| Mfg Part Number | 00-20016-BLK |
| Capacity Standard | 30 + 1 |
| Capacity | 30 + 1 |
| Year Introduced | 2077 |
| Finish | Black |
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…
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…
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