The Lantac USA Glock Firing Pin is machined from 17-4PH stainless steel and heat treated to a copper color for a long service life. This firing pin comes with a few upgrades over the OEM version like reduced weight cuts to increase striker speed without impacting strength and an improved sear geometry to improve the release and ultimately the trigger pull.Features: Machined from 17-4PH stainless steel Heat treated to a copper color Weight reducing cuts Improved sear geometry Compatible Glock 17 and 19 Manufactured in the U.S.A.Lantac USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.