M1 Advisor Pistol .30 Carbine 12 Inch Threaded Barrel Parkerized Finish Fixed Front Sight/Adjustable Peep Aperture Sight American Walnut Stock 15 Round. Built on a pistol platform using the same short-stroke semi-automatic action as the carbine. Bolt does not lock open when the last shot is fired, but a bolt hold pin located on the right side charging handle allows the bolt to be locked into the open position manually. Equipped with a twelve inch threaded barrel and bell-shaped flash hider. 1/2-28 tpi. Winged, fixed front sight housing secured with a roll pin. Rear sight block, dovetailed into the receiver, supports a sliding, adjustable peep aperture sight. Right-side magazine release, cross-bolt safety button and smooth-faced steel bow trigger. Fifteen round blued steel magazine included does not drop free when the magazine release is depressed but it is easy to manually remove. Will also accept 30-round M1 magazines. Precision machined-case receiver, barrel, flash hider, barrel band and trigger group all treated with a Parkerized finish. Barrel cover, stock and pistol grip are made from American Walnut. 1:20 inch right hand twist rate. Includes military-style sling and owner's manual.