Glock OEM standard slide stop with spring Gen 1-4

FITS: Mod 17,9mm;Mod 19,9mm;Mod 20,10mm;Mod 21,.45 ACP;Mod 22,.40 S&W;Mod 23,.40 S&W;Mod 26,9mm;Mod 27,.40 S&W;Mod 29,10mm;Mod 30,.45 ACP,Mod 31,.357 SIG;Mod 32,.357 SIG;Mod 33,.357 SIG,Mod 34,9mm;Mod 35,.40 S&W;Mod 37,.45 GAP;Mod 38,.45GAP

Slide Stop Lever & Spring - fits 9mm, .40, .357 (NOT 2-pin G17/G17L/G34) (marked 2912, 2912-2, 2912-3), - including Gen4's