C-1607: Heckler & Koch Model Mark 23 Special Operations in 45 ACP with 5.87" Barrel. This semi-auto pistol operates in ddouble or single action and it features a 5.87" threaded barrel with O-Ring and polygonal rifling, four magazines, a polymer frame, squared off trigger guard, 3-dot sights, ribbed integral grips, lower frame is grooved for mounting accessories, lock-out safety device, extended slide release, mechanical recoil reduction system and a black finish. These guns were used by military Special Operations as the KH23 and there is a limited availabilty to the civilian marker beginning in 1996. The gun in is excellent condition and it comes in its original carry pouch. Estimated Value: Low: $2,200 High: $2,400.