Guntec AR9 buffer and spring combo featuring an 8.2 oz, 4-inch buffer with clear polyurethane bumper, stainless steel body, and carbine-length Teflon-coated chrome spring for 9mm Luger platforms.
This complete buffer and spring assembly is purpose-built for 9mm Luger AR-platform rifles. The combination of proper weight and spring rate ensures reliable cycling and reduced felt recoil.
Proper buffer and spring selection is critical for 9mm AR rifles, which operate at different pressures than standard rifle cartridges. This combo delivers the right balance of reliability and performance for both range shooting and defensive applications.