Infinite Product Solutions 1in Barrel Extension Black Phosphate .578-28 - .45 ACP

Infinite Product Solutions 1in Barrel Extension Black Phosphate .578-28 - .45 ACP. Key for clearing handguards or maintaining barrel length requirements. Precision made and accurately engineered this extension is available in black nitrided 17-4 PH H1150 stainless steel black oxide steel or black phosphate steel offering superior durability and a sleek appearance. The divot on the nitrided versions allows for easy pin and weld applications ensuring compliance with legal barrel length requirement