GLOCK 20 SF (Short Frame)
The GLOCK 20 SF combines the SF (Short Frame) design with the powerful 10 mm Auto AUTO cartridge making the frame more comfortable and significantly enhancing controllability and accuracy. The SF design reduces the circumference of the receiver at the rear offering increased ease of use and control, especially to shooters with smaller hands. The GLOCK 20 SF dimensions also provide a long sight radius for better precision.
Federal law requires that you be 21 years of age or older to purchase a stripped receiver or frame. If a frame or receiver can only be made into a long gun (rifle or shotgun), it is still a frame or receiver, not a handgun or long gun. However, they still are “firearms” by definition, and subject to the same GCA limitations as any other firearms. See Section 921(a)(3)(b). 18 U.S.C. Section 922(b)(1) makes it unlawful for a licensee to sell any firearm other than a shotgun or rifle to any person under the age of 21.