651 Wilson Combat Flat-Wire Recoil Spring Kit, 4" Compact .45 ACP NEW!

img{max-width:100%} Flat-Wire Recoil Spring Kit, 4" Compact .45 ACP New651 Recommended Use: Compact / Professional Size 4" .45 ACP shooting +P JHP self-defense ammunition with a power factor of 180,000 to 200,000 (Velocity x Bullet Weight = Power Factor) Average Service Life: 40,000 Rounds NOTE: This is the standard recoil spring we install in our compact .45 ACP pistols. This Wilson Combat innovation solves the issue of recoil spring fatigue in compact 1911 handguns and will greatly enhance overall compact pistol reliability. Compact size 1911’s are noted for being extra hard on recoil springs and as your stock recoil spring takes a set and tension is reduced, the magazine spring will struggle to keep up or a last round feed malfunction can occur. The new Wilson Combat B