<p>ZiPFactory is proud to announce the introduction of the ZiPâ„¢ Suppressor Barrel Kit. The ZiPâ„¢ System once again showcases the modularity and open upgrade architecture for the New ZiP-22! Includes Special ZiP-Action Rod for total clearance near rear of suppressor. Suppre”direct thread on mode” will seat or shoulder at bottom of 1/2×28. What’s in the Kit? (1) ZiP Suppressor Barrel made from 4140, Fully Machined Barrel, Length 5.25 inches (1) ZiP Suppressor Barrel Nut, Finished in “Midnite Blackout” and Knurled, with 1/2×28 thread. (1) ZiP Suppressor Nut Thread Protector also in Black finish to protect the 1/2×28 thread when not in use. (1) ZiP Action Rod-(Re-strike) Length to fit the install length of suppressor. (1) Screw for Short Action rod. USFA/ZiPFACTORYâ„¢ ZiPâ„¢ .22 LR SUPPRESSOR BARREL KIT •Kit includes knurled x 28 threaded barrel, barrel nut, & thread protector w/“Midnite Blackout†finish, (1) ZiP-Actionâ„¢ rod (re-strike) to fit the install length of suppressor, & (1) screw for short action rod C”</p>