The Griffin Armament ATM for Glock 17 Gen 3/4 offers a compact, high-performance upgrade for 9mm enthusiasts, featuring a 5-inch threaded stainless steel barrel finished in Black Nitride for durability and corrosion resistance. Crafted to fit 1/2x28 threads, this barrel preserves reliable wraparound seating with a Micro Carry Compensator included to help mitigate muzzle rise and improve control during rapid fire or precision shooting. The combination of a threaded design and the micro compensator allows for versatile use, from concealed carry setups to duty or competition configurations, while maintaining accuracy and consistency in a compact Glock platform. Engineered to withstand the demands of modern handguns, the ATM barrel integrates Griffin Armaments renowned manufacturing quality, delivering smooth chambering, dependable extraction, and repeatable performance shot after shot. Whether upgrading an existing Glock 17 or building a dedicated 9mm setup, this black nitride stainless steel barrel provides a practical, reliable solution that enhances manageability and shooter confidence without compromising the firearms overall balance.