Upgraded ergonomics make the FN 545 MRD a pleasure to handle merging class-leading shootability with stopping power. Built with enduring accuracy in mind shooters can mount their favorite red dot sight in minutes adding pinpoint control on command. Complete with the high endurance striker and crisp 6-lb. trigger pull the FN 545 MRD is what other big bore pistols want to be when they grow up. - Specs - Caliber: .45 ACP - Operation: DOUBLE ACTION STRIKER-FIRED - Mag Capacity: 10 or 15 Rd. - Weight: 30 oz - Barrel Length: 4.1 - Overall Length: 7.7 - Twist Rate: 1:16 RH - Height: 6 - Width: 1.45 - Trigger Pull: 5.5-7.7 lbs - Sight Radius: 6.1 - Primary Features - 15+1 rounds of .45 ACP - Low-Profile Optics Mounting System - Precision-tuned trigger with clean break - Enhanced grip frame for unmatched control - Slide - Slide cut to mount most optics no gunsmith needed - Machined steel with front and rear cocking serrations loaded chamber indicator - Driftable steel sights co-witness with most MRD optics - High-endurance conical striker - Barrel - 4.1-inch cold hammer-forged target crowned for enduring accuracy - Polished feed ramp and chamber for feed reliability - Frame - Superior balance and grip texture dampen recoil and allow master control - Target-grade trigger breaks clean at approximately 6lbs - Interchangeable backstraps - MIL-STD-1913 rail - OPERATING CONTROLS - Fully ambidextrous slide stop lever and magazine release - MAGAZINE - Two 15-rd magazine or two 10-rd magazines - Low-friction follower; polymer base with nickel-coated steel body - SHIPS WITH - Two interchangeable backstraps - Two 15-round magazines or two 10-round magazines - Four MRD mounting plates - Owner's manual - Locking device - Premium zippered case