Patented proven push pin design Super easy to attach and detach from the magazine No specialty tools or devices required to disassemble One piece design, no extra parts to possibly lose during disassembly Designed specifically for the Glock 43 CNC machined from billet aluminum Hard Anodized Made in the USA +2 comes with 10% stronger spring +1 uses stock factory spring Mfg: Taran Tactical Innovations