Sharps Bros., Jack 9, Semi-automatic, Stripped Billet Lower, 9MM, Black FinishImproved Magazine Well

• Improved Magazine Well

• Compatible with most AR15 pistol caliber uppers chambered in 9mm, .40 S&W or .357 SIG

Product Description

Sharps Bros. builds a series of custom AR-15 lower receivers and has evolved from a one-man business to a full-fledged firearm design and manufacturing organization.