Description Leave nothing to chance with 18+1 rounds, setting a new standard capacity in .45 ACP. Suppressor-ready, with a threaded barrel and co-witness tritium night sights, this industry-first pistol is upgraded with the proven ergonomics of the FN 509 Tactical. Shooters can mount their favorite red dot optic in minutes, adding pinpoint control on command. Complete with the high-endurance striker and crisp, approximately 6lb. trigger pull, the FN 545 Tactical is what other big bore pistols want to be when they grow up.4.71-inch cold hammer-forged, target crowned for enduring accuracy,Polished feed ramp and chamber for feed reliability,Threaded .578"x28 to mount compensators and suppressors,Superior balance and grip texture dampen recoil and allow master control Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.