LANTAC Glock Gen 4 Guide Rod Adapter GB-G4-N in Black Nitride coating (01-GP-GRA-NIT), is machined from 17-4PH stainless steel. The adapter has an aggressive knurled pattern and a recessed spring capture area for easier assembly.

Precision 17-4PH Stainless Steel Adapter Bushings with ultra-smooth bore and crenulated crown, for reduced friction performance and aggressive styling.

QPQ Nitride finish.

Manufactured in the USA.