Upgrade your handgun with the superior Wilson Combat Bullet Proof full size spring kit! This set includes a stainless steel guide rod and an extremely reliable chrome silicon 17-pound flat wire spring that lasts much longer than regular full size recoil springs. With this kit, you can guarantee better performance for your pistol every time you pull the trigger! The innovative flat wire design permits for a longer free length with more coils while preserving tension better than round wire springs - plus you save time as the guide rod is already prepped to fit compact barrel lugs and link.The Bullet Proof compact spring kit is rigorously tested and requires no changes to install. Its .250" diameter rod can be conveniently reinstalled in a mere matter of minutes. Both at-home or field applications make it an easy solution for any problem you may have.Caliber: .45 ACPFits: 5" Full SizeSpring Type: Flat WireSpring Weight: 17lbService Life: 40,000Improves cycling and overall operationImpr...