4.71" Cold hammer-forged barrel, target crowned for enduring accuracy; Threaded .578x28 to mount compensators and suppressors; Low-profile Optics Mounting System; Precision-tuned trigger with clean break; Enhanced grip frame for unmatched control; Slide cut to mount most optics, no gunsmith needed; Tritium lamp steel dovetail sights, co-witness with most MRD optics; Ambidextrous controls mirror right and left; Two included backstraps perfect fit in hand