Designed for steady, repeatable performance in varied environments, the Standard Manufacturing STANDARD JACKHAMMER SD 22LR 5.62 10RD/50RD emphasizes functional reliability and straightforward operation. Developed with attention to component fit and workflow efficiency, this firearm supports smooth handling and consistent mechanical behavior. Built for shooters who value predictable performance, it provides balanced handling and practical usability during regular range time.\n\nIdeal for plinking and precision shooting, the Jackhammer Pistol is a semiautomatic pistol chambered in .22 LR. It features a 5 3/8" barrel, Picatinny rail mounting provisions, and compatibility with 10-round stick or 50-round drum magazines. Standard Manufacturing is renowned for its innovative designs and commitment to quality.\n\n- Manufacturer: Standard Manufacturing\n- Model: Jackhammer\n- Caliber: .22 LR\n- Condition: New\n- Action: Semi Automatic\n- Finish Color: Black\n- Barrel Length: 5 3/8"\n- Number of Magazines: 1\n- Capacity: 10-Round Stick, 50-Round Drum\n- Optic Footprint: Picatinny Rail\n- Unique Features: Air-cooled, blowback operated\n- Night Sights: No\n- External Safety: Yes\n- Threaded Barrel: Yes\n- What's In The Box: 10-round stick magazine, 50-round drum magazine\n- Weight: 2 1/2 lbs\n- Length: 16 1/2" - 16 7/8"\n- Width: 14.5"