The Rival Arms RARA10G306A Precision Slide A1 Black QPQ steel, ported with front and rear serrations and RMS optic cut, is crafted to elevate Glock 43/43X performance with a precision-fit, rugged profile. Built from 17-4 stainless steel and finished in durable QPQ, this slide delivers enhanced corrosion resistance and lasting hardness while providing a clean, professional look. The porting reduces muzzle rise and concentrates the systems energy for steadier follow-up shots, while the integrated RMS optic cut opens up rapid, reliable optic mounting for improved speed and accuracy in varied lighting conditions. With front and rear serrations, field maintenance is straightforward, offering secure purchase for racking or press checks even in dynamic shooting or hunting scenarios. The A1 Black finish complements a wide range of configurations and complements aftermarket barrels and components, enabling firearms enthusiasts to customize their Glock 43 or 43X with a precise, low-profile profile that maintains reliability under demanding use. Ideal for shooters seeking a high-quality, drop-in-ready upgrade that blends performance benefits with a sleek, turnkey aesthetic.