Coinciding with the recent introduction of the company’s suppressor-ready VP Tactical models, Heckler & Koch is now also offering drop-in fit, threaded versions of its VP9 and VP40 barrels as aftermarket accessories. The 9 mm Luger-chambered barrel measures 4.7" long with a 1:9.8" RH twist and is threaded at the muzzle in the metric 13.5x1 left-handed thread pattern. Thread protectors are sold separately. Price: $190. Contact: Heckler & Koch; (706) 568-1906; hk-usa.com.