Caliber 9mmLuger, .40SW and/or .22lr, Pistol Glock Gen5 Model G17, G19, G19X, G22, G23, G26, G27, G33, G34, G44 and/or G45 does not fit models G20, G21, G29, G36, G40, G41, G42, G43, G43X, G48, Trigger Alpha Red Competition with 3lbs/1.362grams Pullweight fix from Factory, Code Alpha Glock 5Red Timney USA. Professional installation recommended!

Pull weight with 3lbs/1.362grams is not adjustable!