PF940C Compact Frame & Kits (Glock 19 Size)The PF940C is our most popular frame — compact enough for concealed carry, large enough for comfortable shooting. 15+1 capacity in 9mm. This is the frame Marcus Webb recommends for first-time builders: the Glock 19 aftermarket is the largest in the industry, so finding parts is never a problem.Estimated build time: 2-4 hours for first-timers. Read our build FAQ →