Toni System Recoil Spring for Glock - 15lb. Crafted in Italy by Toni System - a leader in competition-grade firearm components - this recoil spring is available in a full range of tensions to suit your shooting style and ammunition preferences. Whether youre tuning your Glock for competition target shooting or tactical use choosing the right spring weight can help reduce felt recoil improve cycling speed and ensure consistent performance. Compatible with standard Glock guide rods this is a must-have upgrade for anyone seeking to fine-tune their setup. Specifications for Toni System Recoil Spring for Glock: Manufacturer: Toni System Color: Black Fabric/Material: Aluminum Gun Make: Glock Gun Model: Glock 17 Weight: 2.06 oz Features of Toni System Recoil Spring for Glock High-quality Toni System construction Designed for Glock pistols Ideal for competitive or precision shooting Package Contents: Toni System Recoil Spring for Glock What firearm models does the manufacturer say Toni System Recoil Spring for Glock is compatible with? The manufacturer says that Toni System Recoil Spring for Glock is compatible with Glock 17Toni System GLR-15: Recoil Spring for Glock - 15lb