The cold hammer-cast barrel is abnormal to get a .223 Rem in that it's an exceedingly speedy one:seven rifling twist rate, so it is really created for heavier .22 calibre projectiles – important to note. It is actually 24in in length, with a M15x1 threaded muzzle and cap, and has a semi-varmint profile of which 12in within the fore-close is not r