.45, .50, and .52 caliber. 209 Bare Primer ignition system or Western-legal musket cap & #11 system. Twist rates: .45/1:20 in., 50/1:28 in., .52/1:26 in. 27" fluted stainless steel w/cantilever lug. OAL, 45.5". Straight and thumbhole stocks. Weight: 8.1 to 8.5 lbs. Williams fully adjustable metallic fiber optic sight set, adjustable trigger. Forest Green, Shadow Gray, Nutmeg stock finishes. Pricing for No. MMT707SSG Shadow Gray Straight Stock shown.