Elevate your GLOCK(TM) performance with the Strike Industries SI-G4&5-RSA Recoil Spring Adapter Plate, designed for transitioning from GEN4/5 to GEN3 recoil spring assemblies. This highly engineered adapter plate guarantees a precise fit, enhancing your shooting dynamics and allowing for tailored performance adjustments. Compatible with GLOCK(TM) GEN4/5 pistols Allows use of GEN3 recoil spring assemblies Improves recoil management and shooting performance Easy installation for hassle-free use Durable construction ensures long-lasting functionality Transform your GLOCK(TM) with the SI-G4&5-RSA Adapter Plate and enjoy a customizable shooting experience.