Winchester Model 37 .410 - Guns International

37 winBulk Ammo 9mm 6.5 Creedmoor.223 Rem 5.56x45mm NATO.308 Win 10mm Shop All. ... Winchester 37 - For Sale :: Shop On :: Let us help you find the best optionsWINCHESTER 37 410GA Description: Winchester Model 37 chambered in 410 Gauge with a 28 inch barrel accepting up to 3 inch shells, brht shiny bore with good lockup. The NRA grading