Centennial Defense Systems MOD2 Stainless Steel Guide Rod Assembly For Smith & Wesson SD9 & SD40 4in Barrel W/Flat Face Screw, 11Lb Spring, Black, 11915
Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly For Smith & Wesson SD9 & SD40 4in Barrel, Black, Button Head Allen Screw, 11Lb Spring, 12131