Perazzi MX2000s O/U: Square Mono Bloc Non Removable Coil Spring Trigger Receiver, All matching S# 120xxx, 32" Tramline Rib, Side Rib, 18.7 Bores, Choked: Bottom .015 LM Top.020 Mod, 1.56KG, Ported. Stock 14" LOP, No Cast, No Palm Swell, Dimensions to follow, Locking Lever Right of center. Blueing looks good. See Pictures! Perazzi Paperwork included!