Rock Island Armory RONI 1911 TCM Pistol To Carbine Conversion The RIA RONI 1911 TCM Pistol to Carbine Conversion Stock converts your RIA A1 or A2 1911 pistol into a compact combat worthy user friendly assault rifle within seconds. The RONI is a platform that provides the user with improved stability increased range faster aiming and better accuracy all while using the pistol you are familiar with. Fits: A1 and A2 TCM Pisols - Calibers: 22TCM or 22TCM9R - Weight 3.1 lbs - Overall Length 18.5 x 22 - Color Black - Fits A1 or A1 1911 TCM Pistols