Hey guys, I a purchasing an HK USC .45 ACP this weekend, and was curious to know if it would be legal in MA to put a barrel shroud (no flash hider, etc. Simply a shroud for aesthetics)? I have heard mixed responses - some say for the M&P 15-22, it is completely legal so long as it is a barrel shroud and nothing more. Just making sure this is the case, and if that applies for the USC as well since it is a pistol caliber carbine, but also a long gun. Any input on what shroud would work/be legal is much appreciated! Thanks!!