Swampfox Justice II Ironsides Stainless Steel Shield Black. Drawing its name from the invincible U.S.S. Constitution the shield is crafted from robust SUS304 blackened stainless steel with wear-resistant matte black PVD coating offering superior defense against drops bumps surface racking and everyday abuse. Mounting to the pistol slide and surrounding the optic hood and body the Justice II Ironsides Shield serves as insurance against potential damage further enhancing optic durability and safeguarding your peace of mind. Specifications for Swampfox Justice II Ironsides Stainless Steel Shield: Manufacturer: Swampfox Color: Black Finish: PVD Fabric/Material: Stainless Steel Gun Type: Pistol Package Contents: Swampfox Justice II Ironsides Stainless Steel Shield M3.5 x 0.6 (Thread Length : 11.7mm ) # 4-40 ( Thread Length : 6.5mm ) # 6-32 (Thread Length : 10.0mm ) # 6-32 (Thread Length : 9.5mm ) Swampfox JG2-ISS-301B: Justice II Ironsides Stainless Steel Shield Black