Each barrel made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for the HK Mark 23 .45 pistol. The perfect barrel to use as a spare or for replacement. Each Mark 23 barrel is a drop in replacement for your HK Mark 23 pistol.

US made HK Mark 23 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a Mark 23 threaded .578-28. Not available anywhere else at this price

• Traditional button rifled bore for use with jacketed and non-jacketed ammunition
• 4140R double stress relieved & fully heat treated steel
• Micro polished feed ramp
• 1:16 Twist
• Each barrel is chambered in .45 with a polished feed ramp
• Machined to exact tolerances for proper “drop in” fitment
• Finished inside & out in the “Nitride” process for enhanced service life
• Includes the O-ring and Thread Protector