Zaffiri Precision match grade barrels for GlockA(R) 43 / 43X. High quality performance you demand with an easy drop-in barrel upgrade. This replacement barrel is precision manufactured in the USA to the highest standards providing exceptional accuracy. Conventional rifling with a polished chamber and bore to perform well with lead, plated, and jacketed bullets. This barrel is ready-to-use and is a perfect replacement for your existing Glock barrel. Threaded or Non-Threaded Options Available: Non-Threaded: Threadless Flush & Crown length Threaded - 1/2 x 28 muzzle -- Thread protector is included Note: Threaded pistol barrels are not legal in all areas. I Mfg: Zaffiri