The Standard Manufacturing Jackhammer SD pistol in .22 LR with a 5.37-inch barrel is a polymer-framed, semi-auto rimfire pistol built with a top-mounted charging handle and a folding-braced-style polymer stock featuring M-LOK slots on both sides. Standard Manufacturing machines the aluminum frame in a colored finish and includes a full-length Picatinny rail on top of the receiver for optic mounting. The pistol ships with both a 10-round stick magazine and a 50-round drum magazine, giving shooters flexibility between compact carry and extended range sessions. Among high-capacity semi-auto handguns, this Jackhammer SD configuration favors shooters who want a rimfire range gun with drum-fed volume.

Key Specifications

• The chambering is .22 LR, with a 10-round stick and 50-round drum magazine included.
• The barrel measures 5.37 inches.
• The frame is aluminum, and the stock is polymer with M-LOK slots on both sides.
• A full-length Picatinny rail tops the receiver for optic mounting.
• The charging handle sits on top of the receiver.
• The unloaded weight is 2.5 ounces for the receiver assembly.
• The overall length is 20.35 inches.
• The sight type is NONE.
• The action is semi-automatic, cycling a fresh round into the chamber with every trigger pull.

Frequently Asked Questions

Does this pistol include a drum magazine? Yes, it ships with both a 10-round stick magazine and a 50-round drum magazine.

Can an optic be mounted on this pistol? Yes, a full-length Picatinny rail runs along the top of the receiver.

Buy the Standard Mfg Jackhammer SD Pistol

A distinctive top-charging, folding-braced-style rimfire pistol is exactly what this Standard Mfg Jackhammer SD Pistol delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.