Man Cave Machine Ltd - Thompson M1A1 with a 1928 bolt, barrel and Cutts compensator. Also kept the floating firing pin to eliminate out of battery blow outs. Wood work next and
Why was the muzzle brake/Cutts compensator removed from military versions of the Thompson SMG? - Quora
![Thompson 1928 Cutts compensator - old spec, front vertical grip, Lyman battle sights, top cocking lever. Thompson 1928 Cutts compensator - old spec, front vertical grip, Lyman battle sights, top cocking lever.](http://www.deactivated-guns.co.uk/images/thompson_1928_a1/thompson_1928_3.jpg)
Thompson 1928 Cutts compensator - old spec, front vertical grip, Lyman battle sights, top cocking lever.
![Thompson SMG - does M1928A1 were issued without a Cutts compensators ? - FIREARMS - U.S. Militaria Forum Thompson SMG - does M1928A1 were issued without a Cutts compensators ? - FIREARMS - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_09_2017/post-3574-0-15514900-1505564668_thumb.jpg)