THOMPSON 1927 A-1 DELUXE CARBINE 16 1/2 IN. Description
10mm (mfg. 1991-93) or .45 ACP cal., 16 1/2 in. finned barrel with compensator, 10 (new 2017), 20, or 30 (disc. 2020) shot vertical original surplus or 10, 50, or 100 shot drum mag. (current mfg.), solid steel construction, adj. rear sight, walnut stock, horizontal (new 2007) or finger grooved forearm grip, with or w/o detachable buttstock, pistol grip, matte black finish, 13 lbs.
During 2006, design changes included a more authentic spherical cocking knob, improved frame to receiver fit, and a large machined radius at the bottom of the receiver to help with magazine insertion.